/* AlwaysJoy 教育平台 - 樣式文件 */

/* 基礎重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局變數 */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-color: #4a90e2;
    --accent-color: #ffd700;
    --text-dark: #333;
    --text-light: #666;
    --white: #ffffff;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 6px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 20px;
    --border-radius-small: 10px;
    --transition: all 0.3s ease;
}

/* 基礎樣式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 登入頁面樣式 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.login-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-heavy);
    animation: slideInUp 0.8s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    animation: pulse 2s infinite;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--white);
}

.login-header h1 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.motto {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 5px;
    font-style: italic;
}

.motto-chinese {
    color: var(--secondary-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.login-form h2 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 20px;
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 15px;
    color: var(--text-light);
    font-size: 1.1rem;
    z-index: 2;
    transition: var(--transition);
}

.input-container input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.input-container input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.input-container input:focus+.input-icon {
    color: var(--secondary-color);
}

.login-error {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: var(--border-radius-small);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    border: 1px solid #f5c6cb;
    animation: shake 0.5s ease-in-out;
}

.login-btn {
    width: 100%;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 15px;
    border-radius: var(--border-radius-small);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-light);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.login-btn:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e1e5e9;
}

.login-footer p {
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* 模態框登入樣式 */
.modal-login-container {
    text-align: center;
    padding: 20px;
}

.modal-login-header {
    margin-bottom: 30px;
}

.modal-lock-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    display: block;
}

.modal-login-header h2 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.modal-login-header p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.modal-form-group {
    margin-bottom: 20px;
}

.modal-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.modal-input-icon {
    position: absolute;
    left: 15px;
    color: var(--text-light);
    font-size: 1.1rem;
    z-index: 2;
    transition: var(--transition);
}

.modal-input-container input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.modal-input-container input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.modal-input-container input:focus+.modal-input-icon {
    color: var(--secondary-color);
}

.modal-login-error {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: var(--border-radius-small);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    border: 1px solid #f5c6cb;
    animation: shake 0.5s ease-in-out;
}

.modal-login-btn {
    width: 100%;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 15px;
    border-radius: var(--border-radius-small);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-light);
}

.modal-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.modal-login-btn:active {
    transform: translateY(0);
}

.modal-login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e1e5e9;
}

.modal-login-footer p {
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* 登出按鈕 */
.logout-btn {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    backdrop-filter: blur(10px);
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* 標題區域 */
.header {
    text-align: center;
    margin-bottom: 30px;
    color: var(--white);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInDown 1s ease-out;
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* 標語容器樣式 */
.motto-container {
    margin: 20px 0;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out 0.5s both;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}







/* 倒數計時器 */
.podium {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-heavy);
    text-align: center;
    animation: slideInUp 0.8s ease-out;
}

.podium h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.countdown-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.countdown-item {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 20px 15px;
    border-radius: var(--border-radius-small);
    min-width: 90px;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.countdown-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 5px;
}

.countdown-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    opacity: 0.9;
}

/* 排行榜講台（保留原有樣式以備用） */
.podium-stages {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 20px;
    margin-top: 30px;
}

.stage {
    border-radius: var(--border-radius-small) var(--border-radius-small) 0 0;
    padding: 20px;
    min-width: 120px;
    box-shadow: var(--shadow-medium);
    position: relative;
    transition: var(--transition);
    cursor: pointer;
}

.stage:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stage.second {
    background: linear-gradient(45deg, #c0c0c0, #e5e5e5);
    height: 80px;
}

.stage.first {
    background: linear-gradient(45deg, var(--accent-color), #ffed4e);
    height: 120px;
}

.stage.third {
    background: linear-gradient(45deg, #cd7f32, #daa520);
    height: 60px;
}

.stage-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-dark);
}

.stage-place {
    font-size: 1.2rem;
    font-weight: bold;
    margin-top: 10px;
}

/* 分頁導航 */
.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    gap: 10px;
    animation: fadeIn 0.8s ease-out 0.5s both;
}

.tab {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.tab.active {
    background: var(--secondary-color);
    color: var(--white);
}

/* 內容區域 */
.content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-heavy);
    min-height: 400px;
    animation: slideInUp 0.8s ease-out 0.7s both;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

.content-section h2 {
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 日期網格 */
.date-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

/* 日期網格響應式設計 */
@media (max-width: 768px) {
    .date-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 12px;
        margin-top: 15px;
    }

    .date-item {
        padding: 12px;
        min-height: 50px;
        font-size: 0.9rem;
    }

    .special-item {
        grid-column: span 2;
        font-size: 1rem;
        padding: 12px;
        min-height: 50px;
    }
}

@media (max-width: 480px) {
    .date-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 10px;
        margin-top: 12px;
    }

    .date-item {
        padding: 10px;
        min-height: 45px;
        font-size: 0.85rem;
    }

    .special-item {
        grid-column: span 2;
        font-size: 0.9rem;
        padding: 10px;
        min-height: 45px;
    }
}

@media (max-width: 320px) {
    .date-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 8px;
        margin-top: 10px;
    }

    .date-item {
        padding: 8px;
        min-height: 40px;
        font-size: 0.8rem;
    }

    .special-item {
        grid-column: span 2;
        font-size: 0.85rem;
        padding: 8px;
        min-height: 40px;
    }
}

.date-item {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 15px;
    border-radius: var(--border-radius-small);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
    font-weight: 600;
    height: fit-content;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.special-item {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    grid-column: span 2;
    font-size: 1.2rem;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    height: fit-content;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 1;
}

.special-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shine 4s ease-in-out infinite;
    border-radius: inherit;
    z-index: -1;
}

.special-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: inherit;
    z-index: -1;
}

.special-item:hover {
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.special-item:hover::before {
    animation: shine 2s ease-in-out infinite;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.special-item:hover::after {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%, rgba(255, 255, 255, 0.08) 100%);
}

@keyframes shine {
    0% {
        left: -100%;
    }

    50% {
        left: 100%;
    }

    100% {
        left: 100%;
    }
}

.date-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* 成績登記介面 */
.score-registration-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    min-height: 400px;
}

.score-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-heavy);
    border: 1px solid #e1e5e9;
    max-width: 600px;
    width: 100%;
    text-align: center;
    transition: var(--transition);
}

.score-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.score-card-header {
    margin-bottom: 30px;
}

.score-icon {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: block;
    animation: pulse 2s infinite;
}

.score-card-header h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.8rem;
    font-weight: 700;
}

.score-card-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.score-card-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.score-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    border-left: 4px solid var(--secondary-color);
}

.info-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
    width: 20px;
}

.info-item span {
    color: var(--text-dark);
    font-weight: 500;
}

.score-open-btn {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 auto;
    min-width: 250px;
}

.score-open-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.score-open-btn:active {
    transform: translateY(-1px);
}

.score-link-info {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    border: 1px solid #e9ecef;
}

.score-link-info p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-link-info i {
    color: var(--secondary-color);
}

.link-display {
    display: flex;
    gap: 10px;
    align-items: center;
}

.link-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 0.9rem;
    background: var(--white);
    color: var(--text-dark);
    font-family: 'Courier New', monospace;
}

.copy-btn {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.copy-btn:hover {
    background: #357abd;
    transform: translateY(-1px);
}

.copy-btn:active {
    transform: translateY(0);
}

/* 學生登入介面 */
.student-login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.login-form-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-light);
    border: 1px solid #e1e5e9;
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.header-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    display: block;
}

.form-header h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.form-header p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-select:disabled {
    background: #f8f9fa;
    cursor: not-allowed;
    opacity: 0.6;
}

.password-container {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    padding-right: 45px;
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.password-toggle {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--secondary-color);
}

.login-submit-btn {
    width: 100%;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 15px;
    border-radius: var(--border-radius-small);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-light);
    margin-top: 10px;
}

.login-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.login-submit-btn:active {
    transform: translateY(0);
}

.login-help {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e1e5e9;
}

.login-help p {
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* 學生列表卡片 */
.student-list-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-light);
    border: 1px solid #e1e5e9;
}

.student-list-card h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.student-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.group-section {
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    padding: 15px;
    border: 1px solid #e9ecef;
}

.group-section h4 {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.group-badge {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.group-section ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.group-section li {
    padding: 5px 0;
    color: var(--text-dark);
    font-size: 0.9rem;
    border-bottom: 1px solid #e9ecef;
}

.group-section li:last-child {
    border-bottom: none;
}

/* 雜誌練習樣式 */
.magazine-practice-content {
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
}

.practice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e1e5e9;
}

.practice-header h2 {
    color: var(--text-dark);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.timer-container {
    background: var(--primary-gradient);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    box-shadow: var(--shadow-light);
}

.question-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 20px;
}

.question-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.question-selector label {
    font-weight: 600;
    color: var(--text-dark);
}

.question-selector select {
    padding: 8px 12px;
    border: 2px solid #e1e5e9;
    border-radius: 5px;
    background: var(--white);
    cursor: pointer;
}

.total-questions {
    color: var(--text-light);
    font-weight: 600;
}

.progress-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    max-width: 300px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: #e1e5e9;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-weight: 600;
    color: var(--text-dark);
    min-width: 60px;
}

.question-container {
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid #e9ecef;
}

.question-content {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.question-content .blank {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 2px solid var(--secondary-color);
    border-radius: 5px;
    text-align: center;
    line-height: 26px;
    font-weight: bold;
    color: var(--secondary-color);
    background: var(--white);
    margin: 0 5px;
}

.answer-section {
    margin-top: 20px;
}

.answer-section label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-dark);
}

.answer-input-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.answer-input-container input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 5px;
    font-size: 1.1rem;
    text-align: center;
    text-transform: uppercase;
    font-weight: bold;
    transition: var(--transition);
}

.answer-input-container input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.submit-answer {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.submit-answer:hover {
    background: #357abd;
    transform: translateY(-1px);
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.nav-btn {
    background: var(--white);
    border: 2px solid #e1e5e9;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-btn:hover:not(:disabled) {
    border-color: var(--secondary-color);
    background: #f8f9fa;
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.practice-stats {
    display: flex;
    justify-content: space-around;
    background: var(--white);
    border-radius: var(--border-radius-small);
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
}

.practice-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.practice-stats .stat-item:first-child {
    color: #28a745;
}

.practice-stats .stat-item:nth-child(2) {
    color: #dc3545;
}

.practice-stats .stat-item:last-child {
    color: var(--secondary-color);
}

.completion-section {
    text-align: center;
}

.complete-practice {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
    box-shadow: var(--shadow-light);
}

.complete-practice:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .student-login-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .student-groups {
        grid-template-columns: 1fr;
    }

    .practice-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .question-navigation {
        flex-direction: column;
        gap: 15px;
    }

    .question-selector {
        justify-content: center;
    }

    .progress-indicator {
        max-width: none;
    }

    .answer-input-container {
        flex-direction: column;
    }

    .navigation-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .practice-stats {
        flex-direction: column;
        gap: 10px;
    }
}

/* 歡迎訊息 */
.welcome-message {
    text-align: center;
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.welcome-message h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-message p {
    font-size: 1.3rem;
    color: var(--text-light);
    margin: 0;
    font-weight: 500;
}

/* 學習地圖容器 */
.learning-map {
    margin-top: 50px;
}

.map-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.learning-area {
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.learning-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.learning-area:hover::before {
    transform: translateX(100%);
}

.learning-area:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

/* 雜誌單字區域 */
.magazine-area {
    border-left: 5px solid #ff6b6b;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
}

.magazine-area:hover {
    background: linear-gradient(135deg, #ffe8e8 0%, #ffd8d8 100%);
}

/* 各級別單字區域 */
.level-area {
    border-left: 5px solid #4ecdc4;
    background: linear-gradient(135deg, #f0fffd 0%, #e8fffc 100%);
}

.level-area:hover {
    background: linear-gradient(135deg, #e8fffc 0%, #d8fff8 100%);
}

.area-icon {
    width: 80px;
    height: 80px;
    margin-right: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--white);
    box-shadow: var(--shadow-light);
    flex-shrink: 0;
}

.area-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.area-content {
    flex: 1;
}

.area-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.area-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 1rem;
}

.area-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.stat-item i {
    color: var(--accent-color);
}

.area-arrow {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.learning-area:hover .area-arrow {
    transform: translateX(5px);
    box-shadow: var(--shadow-medium);
}

/* 連接線 */
.connection-line {
    width: 4px;
    height: 40px;
    background: linear-gradient(to bottom, #ff6b6b, #4ecdc4);
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.connection-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* 學習進度總覽 */
.progress-overview {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-light);
    margin-top: 40px;
}

.progress-overview h3 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.progress-stats {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    flex-wrap: wrap;
}

.progress-item {
    text-align: center;
}

.progress-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    margin: 0 auto 10px;
}

.progress-circle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-heavy);
}

.progress-number {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.progress-label {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .learning-area {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .area-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .area-stats {
        justify-content: center;
    }

    .area-arrow {
        margin-top: 15px;
    }

    .progress-stats {
        flex-direction: column;
        align-items: center;
    }

    .progress-circle {
        width: 100px;
        height: 100px;
    }

    .progress-number {
        font-size: 1.5rem;
    }
}

/* 模態框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
    animation: slideInDown 0.3s ease-out;
}

/* PDF模態框響應式設計 */
#pdfModal .modal-content {
    max-width: 1200px;
    max-height: 90vh;
}

#pdfModal .close {
    position: absolute;
    right: 20px;
    top: 15px;
    z-index: 10;
}

#pdfModal h2 {
    margin: 0 0 20px 0;
    color: #2c3e50;
    font-size: 1.8rem;
    text-align: center;
    padding-right: 40px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--text-dark);
}

/* 練習區域 */
.practice-section {
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius-small);
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
}

.practice-section:hover {
    box-shadow: var(--shadow-light);
}

.practice-title {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.practice-content {
    background: var(--white);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.practice-content textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    resize: vertical;
    transition: var(--transition);
}

.practice-content textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.practice-example {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    margin: 15px 0;
}

.practice-example h5 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1rem;
}

.practice-example p {
    margin: 5px 0;
    font-size: 0.95rem;
}

.practice-content h4 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* 分數輸入 */
.score-input {
    margin-top: 20px;
    padding: 20px;
    background: #e8f4fd;
    border-radius: var(--border-radius-small);
    border: 2px solid var(--secondary-color);
}

.score-input h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-field {
    display: flex;
    align-items: center;
    margin: 10px 0;
    gap: 10px;
}

.score-field label {
    min-width: 120px;
    font-weight: 600;
    color: var(--text-dark);
}

.score-field input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 100px;
    transition: var(--transition);
}

.score-field input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.save-score {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 15px;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-score:hover {
    background: #357abd;
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

/* 動畫 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}

/* 響應式設計 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .login-container {
        padding: 10px;
    }

    .login-box {
        padding: 30px 20px;
    }

    .logo-container {
        width: 60px;
        height: 60px;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .motto-container {
        padding: 20px 15px;
        margin: 15px 0;
    }







    .motto-decoration {
        gap: 10px;
        margin-top: 10px;
    }

    .motto-decoration i {
        font-size: 1rem;
    }

    .tabs {
        flex-direction: column;
    }

    .tab {
        justify-content: center;
    }

    .countdown-container {
        gap: 10px;
    }

    .countdown-item {
        min-width: 70px;
        padding: 15px 10px;
    }

    .countdown-number {
        font-size: 2rem;
    }

    .countdown-label {
        font-size: 0.9rem;
    }

    .podium-stages {
        flex-direction: column;
        align-items: center;
    }

    .stage {
        width: 200px;
        margin: 5px 0;
    }

    .date-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .group-grid {
        grid-template-columns: 1fr;
    }

    .score-field {
        flex-direction: column;
        align-items: flex-start;
    }

    .score-field label {
        min-width: auto;
    }

    .score-field input {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 25px 15px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .motto-container {
        padding: 15px 10px;
        margin: 10px 0;
    }







    .motto-decoration {
        gap: 8px;
        margin-top: 8px;
    }

    .motto-decoration i {
        font-size: 0.9rem;
    }

    .podium h2 {
        font-size: 1.5rem;
    }

    .countdown-container {
        gap: 8px;
    }

    .countdown-item {
        min-width: 60px;
        padding: 12px 8px;
    }

    .countdown-number {
        font-size: 1.5rem;
    }

    .countdown-label {
        font-size: 0.8rem;
    }

    .content {
        padding: 20px;
    }

    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
}

/* 載入動畫 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, .3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: var(--text-dark);
    color: var(--white);
    text-align: center;
    border-radius: 6px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 雜誌單字練習選擇頁面樣式 */
.magazine-selection-content {
    max-width: 1000px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 0;
    position: relative;
}

.magazine-selection-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.logo-section {
    margin-bottom: 20px;
}

.logo-text {
    display: inline-block;
    text-align: center;
}

.logo-main {
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 5px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.logo-sub {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.selection-title {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.magazine-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    padding: 40px;
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.magazine-option-card {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 3px solid transparent;
}

.magazine-option-card:nth-child(2) {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.magazine-option-card:nth-child(3) {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.magazine-option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="school" width="20" height="20" patternUnits="userSpaceOnUse"><text x="10" y="15" font-size="12" fill="rgba(255,255,255,0.3)" text-anchor="middle">ABC</text><text x="10" y="30" font-size="8" fill="rgba(255,255,255,0.2)" text-anchor="middle">📚</text></pattern></defs><rect width="100" height="100" fill="url(%23school)"/></svg>');
    opacity: 0.1;
    z-index: 1;
}

.magazine-option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.option-content {
    position: relative;
    z-index: 2;
}

.option-main-text {
    font-size: 2.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.option-sub-text {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    font-weight: 600;
}

.option-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    margin-bottom: 25px;
}

.option-button {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    padding: 12px 25px;
    display: inline-block;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.magazine-option-card:hover .option-button {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.button-text {
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.back-section {
    text-align: center;
    padding: 20px 40px 30px 40px;
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
}

.back-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.back-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .magazine-selection-content {
        width: 95%;
        margin: 20px auto;
    }

    .magazine-options-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 25px;
        margin: 0 15px 15px 15px;
    }

    .magazine-selection-header {
        padding: 20px;
    }

    .logo-main {
        font-size: 2rem;
    }

    .selection-title {
        font-size: 1.5rem;
    }

    .option-main-text {
        font-size: 2rem;
    }

    .option-sub-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .magazine-option-card {
        padding: 20px;
    }

    .option-main-text {
        font-size: 1.8rem;
    }

    .option-sub-text {
        font-size: 1rem;
    }

    .option-description {
        font-size: 0.9rem;
    }
}

/* 答案反饋樣式 */
.answer-feedback {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 20px 30px;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    z-index: 10000;
    animation: feedbackSlideIn 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.answer-feedback.correct {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
}

.answer-feedback.incorrect {
    background: linear-gradient(135deg, #f44336, #da190b);
    color: white;
}

@keyframes feedbackSlideIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* 練習結果樣式 */
.practice-result {
    text-align: center;
    padding: 40px 20px;
}

.practice-result h2 {
    color: #333;
    font-size: 2rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.result-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.result-item i {
    font-size: 2rem;
}

.result-item span {
    font-size: 1.1rem;
    font-weight: 600;
}

.result-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.result-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.result-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.result-btn:last-child {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

.result-btn:last-child:hover {
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

/* 練習模態框樣式優化 */
.magazine-practice-content {
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.practice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px 20px 0 0;
}

.practice-header h2 {
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.timer-container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.question-navigation {
    padding: 20px 30px;
    background: white;
    border-bottom: 1px solid #e1e5e9;
}

.question-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.question-selector label {
    font-weight: 600;
    color: #333;
}

.question-selector select {
    padding: 8px 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
}

.total-questions {
    color: #666;
    font-weight: 500;
}

.progress-indicator {
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: #e1e5e9;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    transition: width 0.3s ease;
}

.progress-text {
    font-weight: 600;
    color: #333;
    min-width: 60px;
}

.question-container {
    padding: 30px;
    background: white;
}

.question-text h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.question-prompt {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.6;
}

.question-example {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.question-example p {
    margin: 0;
    color: #666;
}

.answer-section {
    margin-top: 30px;
}

.answer-section label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.answer-input-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.answer-input-container input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1.1rem;
    text-align: center;
    letter-spacing: 2px;
}

.answer-input-container input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-answer {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.submit-answer:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    background: white;
    border-top: 1px solid #e1e5e9;
}

.nav-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.nav-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.practice-stats {
    display: flex;
    justify-content: space-around;
    padding: 20px 30px;
    background: #f8f9fa;
    border-top: 1px solid #e1e5e9;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #333;
}

.stat-item i {
    font-size: 1.2rem;
}

.completion-section {
    padding: 20px 30px;
    background: white;
    text-align: center;
    border-top: 1px solid #e1e5e9;
}

.complete-practice {
    background: linear-gradient(135deg, #ff9800, #f57c00);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}

.complete-practice:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .practice-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .question-navigation {
        padding: 15px 20px;
    }

    .question-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .progress-indicator {
        flex-direction: column;
        gap: 10px;
    }

    .question-container {
        padding: 20px;
    }

    .answer-input-container {
        flex-direction: column;
    }

    .navigation-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .practice-stats {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .result-stats {
        grid-template-columns: 1fr;
    }

    .result-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* 成績登記模態框樣式 */
.score-registration-content {
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 0;
    position: relative;
}

.score-registration-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.registration-title {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.score-registration-form {
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form-section {
    margin-bottom: 30px;
}

.form-section h3 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.student-info {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.student-info p {
    margin: 5px 0;
    color: #333;
}

.date-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-input input {
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    flex: 1;
}

.date-input input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.score-inputs {
    display: grid;
    gap: 15px;
}

.score-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.score-field label {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.score-field input {
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.score-field input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.notes-input textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    min-height: 100px;
    transition: all 0.3s ease;
}

.notes-input textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.submit-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.cancel-btn {
    background: linear-gradient(135deg, #6c757d, #5a6268);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(108, 117, 125, 0.3);
}

.cancel-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
}

.history-section {
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.history-section h3 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.score-history {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e9ecef;
}

.history-date {
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.history-scores {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}

.score-item {
    text-align: center;
    padding: 8px;
    background: white;
    border-radius: 6px;
    border: 1px solid #e9ecef;
}

.score-label {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 5px;
}

.score-value {
    font-weight: 600;
    color: #333;
    font-size: 1.1rem;
}

.history-notes {
    background: white;
    padding: 10px;
    border-radius: 6px;
    border-left: 3px solid #667eea;
    font-size: 0.9rem;
    color: #666;
}

.history-notes:empty {
    display: none;
}

/* 學習地圖中成績登記區域的樣式 */
.score-area {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
}

.score-area:hover {
    background: linear-gradient(135deg, #ff8a8e 0%, #febfef 50%, #febfef 100%);
}

/* 學習地圖中管理員區域的樣式 */
.admin-area {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: 2px solid #e91e63;
}

.admin-area:hover {
    background: linear-gradient(135deg, #e91e63 0%, #d81b60 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.4);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .score-registration-content {
        width: 95%;
        margin: 20px auto;
    }

    .score-registration-form {
        padding: 20px;
        margin: 0 15px 15px 15px;
    }

    .score-registration-header {
        padding: 20px;
    }

    .registration-title {
        font-size: 1.5rem;
    }

    .form-actions {
        flex-direction: column;
        align-items: center;
    }

    .submit-btn,
    .cancel-btn {
        width: 100%;
        max-width: 200px;
    }

    .history-scores {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .score-field {
        margin-bottom: 15px;
    }

    .history-scores {
        grid-template-columns: 1fr;
    }

    .history-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* 各級別單字練習提示模態框樣式 */
.notice-content {
    max-width: 600px;
    width: 90%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 0;
    position: relative;
}

.notice-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.notice-title {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.notice-body {
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.notice-icon {
    margin-bottom: 20px;
}

.notice-icon i {
    font-size: 4rem;
    color: #667eea;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.notice-message h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.notice-message p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.6;
}

.notice-subtitle {
    color: #999 !important;
    font-size: 1rem !important;
    font-style: italic;
    margin-top: 20px !important;
}

.notice-actions {
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.notice-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.notice-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .notice-content {
        width: 95%;
        margin: 20px auto;
    }

    .notice-header {
        padding: 20px;
    }

    .notice-title {
        font-size: 1.5rem;
    }

    .notice-body {
        padding: 30px 20px;
        margin: 0 15px 15px 15px;
    }

    .notice-icon i {
        font-size: 3rem;
    }

    .notice-message h3 {
        font-size: 1.3rem;
    }

    .notice-message p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .notice-body {
        padding: 25px 15px;
    }

    .notice-icon i {
        font-size: 2.5rem;
    }

    .notice-message h3 {
        font-size: 1.2rem;
    }

    .notice-message p {
        font-size: 0.95rem;
    }

    .notice-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

.score-field input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.score-note {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 5px;
    font-size: 0.85rem;
    color: #667eea;
    font-style: italic;
}

.score-note i {
    font-size: 0.8rem;
}

/* 管理員儀表板樣式 */
.admin-welcome {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.admin-welcome h1 {
    margin-bottom: 10px;
    font-size: 2rem;
}

.admin-welcome p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}

.admin-students-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.admin-students-section h3 {
    color: #333;
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.students-filter {
    margin-bottom: 20px;
}

.students-filter select {
    padding: 10px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.students-filter select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.students-list {
    display: grid;
    gap: 15px;
}

.student-card {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: all 0.3s ease;
}

.student-card:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.student-info {
    flex: 1;
}

.student-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.student-group {
    color: #666;
    font-size: 0.9rem;
}

.student-stats {
    display: flex;
    gap: 20px;
    margin-right: 20px;
}

.student-stats .stat-item {
    text-align: center;
}

.student-stats .stat-label {
    display: block;
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 3px;
}

.student-stats .stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.student-arrow {
    color: #667eea;
    font-size: 1.2rem;
}

.no-students {
    text-align: center;
    padding: 40px;
    color: #666;
}

.no-students i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* 學生詳細資料模態框樣式 */
.student-details-content {
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 0;
    position: relative;
}

.student-details-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.details-title {
    color: white;
    font-size: 2rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.student-details-info {
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.info-section {
    margin-bottom: 30px;
}

.info-section h3 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.info-item label {
    font-weight: 600;
    color: #333;
}

.info-item span {
    color: #666;
}

.scores-section h3 {
    color: #333;
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

.scores-list {
    max-height: 400px;
    overflow-y: auto;
}

.no-scores {
    text-align: center;
    padding: 40px;
    color: #666;
}

.no-scores i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.score-record {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.score-record:hover {
    background: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e9ecef;
}

.record-date {
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.record-scores {
    display: flex;
    gap: 20px;
}

.record-scores .score-item {
    text-align: center;
}

.record-scores .score-label {
    display: block;
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 3px;
}

.record-scores .score-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.record-notes {
    background: white;
    padding: 10px;
    border-radius: 6px;
    border-left: 3px solid #667eea;
    font-size: 0.9rem;
    color: #666;
}

.details-actions {
    background: white;
    margin: 0 20px 20px 20px;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.close-btn {
    background: linear-gradient(135deg, #6c757d, #5a6268);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(108, 117, 125, 0.3);
}

.close-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .admin-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 20px;
    }

    .student-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .student-stats {
        margin-right: 0;
        width: 100%;
        justify-content: space-around;
    }

    .student-arrow {
        align-self: flex-end;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .record-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .record-scores {
        width: 100%;
        justify-content: space-around;
    }

    .student-details-content {
        width: 95%;
        margin: 20px auto;
    }

    .student-details-info {
        padding: 20px;
        margin: 0 15px 15px 15px;
    }
}

/* 雜誌單字練習題頁面樣式 */
.magazine-practice-content {
    max-width: 1200px;
    max-height: 95vh;
    overflow-y: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    padding: 0;
    position: relative;
}

.practice-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px 30px;
    border-radius: 20px 20px 0 0;
}

.practice-title h2 {
    margin: 0 0 15px 0;
    font-size: 24px;
    font-weight: 600;
    color: white;
}

.practice-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    opacity: 0.9;
}

.question-counter,
.timer {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 8px;
    font-weight: 500;
}

/* 題目導航樣式 */
.magazine-question-navigation {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.question-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.question-selector label {
    font-weight: 500;
    font-size: 16px;
}

.question-selector select {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
}

.question-selector select option {
    background: #667eea;
    color: white;
}

.total-questions {
    font-size: 14px;
    opacity: 0.8;
}

.progress-indicator {
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #45a049);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 14px;
    font-weight: 500;
    min-width: 60px;
}

/* 題目內容區域樣式 */
.magazine-question-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 30px;
    min-height: 400px;
}

.question-image-section {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.question-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
}

.image-placeholder {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.image-placeholder i {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.image-placeholder p {
    font-size: 16px;
    margin: 0;
}

/* 題目文字區域樣式 */
.question-text-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.question-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.question-number {
    background: #4CAF50;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 18px;
}

.question-type {
    font-size: 16px;
    opacity: 0.9;
    font-weight: 500;
}

.question-content {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border-left: 4px solid #4CAF50;
}

.answer-section {
    margin-bottom: 20px;
}

.answer-section label {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 500;
}

.answer-input-container {
    display: flex;
    gap: 15px;
    align-items: center;
}

.answer-input-container input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

.answer-input-container input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.answer-input-container input:focus {
    outline: none;
    border-color: #4CAF50;
    background: rgba(255, 255, 255, 0.15);
}

.submit-answer {
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-answer:hover {
    background: #45a049;
    transform: translateY(-2px);
}

/* 答案反饋樣式 */
.answer-feedback {
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    font-weight: 500;
    display: none;
}

.answer-feedback.correct {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #4CAF50;
}

.answer-feedback.incorrect {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.4);
    color: #f44336;
}

/* 導航按鈕樣式 */
.magazine-navigation-buttons {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 練習統計樣式 */
.magazine-practice-stats {
    display: flex;
    justify-content: space-around;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
}

.stat-item i {
    font-size: 18px;
}

.stat-item:first-child i {
    color: #4CAF50;
}

.stat-item:nth-child(2) i {
    color: #f44336;
}

.stat-item:last-child i {
    color: #2196F3;
}

/* 完成按鈕樣式 */
.magazine-completion-section {
    padding: 20px 30px 30px;
    text-align: center;
}

.complete-practice {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.complete-practice:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

/* 雜誌練習題響應式設計 */
@media (max-width: 768px) {
    .magazine-question-container {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }

    .image-container {
        height: 200px;
    }

    .practice-info {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .magazine-navigation-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .magazine-practice-stats {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}

/* 管理員面板樣式 */
.admin-panel {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow-heavy);
    margin: 20px 0;
}

.admin-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e9ecef;
}

.admin-header h2 {
    color: var(--text-dark);
    font-size: 2rem;
    margin-bottom: 10px;
}

.admin-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.admin-controls {
    margin-bottom: 30px;
}

.filter-section {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-section label {
    font-weight: 600;
    color: var(--text-dark);
    margin-right: 10px;
}

.filter-section select,
.filter-section input {
    padding: 10px 15px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-small);
    font-size: 14px;
    transition: var(--transition);
}

.filter-section select:focus,
.filter-section input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.refresh-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.refresh-btn:hover {
    background: #357abd;
    transform: translateY(-2px);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: var(--border-radius-small);
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.stat-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.scores-table-container {
    margin-bottom: 30px;
}

.scores-table-container h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.table-wrapper {
    background: white;
    border-radius: var(--border-radius-small);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.scores-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.scores-table th {
    background: #f8f9fa;
    color: var(--text-dark);
    font-weight: 600;
    padding: 15px 10px;
    text-align: left;
    border-bottom: 2px solid #e9ecef;
}

.scores-table td {
    padding: 12px 10px;
    border-bottom: 1px solid #e9ecef;
    color: var(--text-dark);
}

.scores-table tr:hover {
    background: #f8f9fa;
}

.scores-table .loading,
.scores-table .no-data {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 30px;
}

.view-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition);
}

.view-btn:hover {
    background: #357abd;
    transform: translateY(-1px);
}

.admin-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.export-btn,
.back-btn {
    padding: 12px 25px;
    border: none;
    border-radius: var(--border-radius-small);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.export-btn {
    background: #28a745;
    color: white;
}

.export-btn:hover {
    background: #218838;
    transform: translateY(-2px);
}

.back-btn {
    background: #6c757d;
    color: white;
}

.back-btn:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

/* 管理員面板響應式設計 */
@media (max-width: 768px) {
    .admin-panel {
        padding: 20px;
        margin: 10px 0;
    }

    .filter-section {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-section select,
    .filter-section input {
        width: 100%;
    }

    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .scores-table {
        font-size: 12px;
    }

    .scores-table th,
    .scores-table td {
        padding: 8px 5px;
    }

    .admin-actions {
        flex-direction: column;
        align-items: center;
    }

    .export-btn,
    .back-btn {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }
}

/* 課堂遊戲介面 */
.game-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    min-height: 400px;
}

.game-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-heavy);
    border: 1px solid #e1e5e9;
    max-width: 600px;
    width: 100%;
    text-align: center;
    transition: var(--transition);
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.game-card-header {
    margin-bottom: 30px;
}

.game-icon {
    font-size: 4rem;
    color: #e74c3c;
    margin-bottom: 20px;
    display: block;
    animation: pulse 2s infinite;
}

.game-card-header h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.8rem;
    font-weight: 700;
}

.game-card-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.game-card-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.game-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.game-info .info-item {
    border-left: 4px solid #e74c3c;
}

.game-info .info-item i {
    color: #e74c3c;
}

.game-open-btn {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: var(--white);
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
}

.game-open-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
    background: linear-gradient(135deg, #c0392b 0%, #a93226 100%);
}

.game-link-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: var(--border-radius-small);
    border: 1px solid #e1e5e9;
}

.game-link-info p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

/* 響應式設計 - 課堂遊戲 */
@media (max-width: 768px) {
    .game-container {
        margin-top: 20px;
        min-height: 350px;
    }

    .game-card {
        padding: 30px 20px;
        margin: 0 15px;
    }

    .game-card-header h3 {
        font-size: 1.5rem;
    }

    .game-card-header p {
        font-size: 1rem;
    }

    .game-open-btn {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .game-card {
        padding: 25px 15px;
    }

    .game-card-header h3 {
        font-size: 1.3rem;
    }

    .game-icon {
        font-size: 3rem;
    }

    .game-open-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* 雜誌單字練習響應式設計 */
@media (max-width: 768px) {
    .magazine-selection-content {
        width: 95%;
        max-height: 95vh;
        margin: 10px;
    }

    .magazine-selection-header {
        padding: 20px 15px;
    }

    .logo-main {
        font-size: 2rem;
    }

    .selection-title {
        font-size: 1.5rem;
    }

    .magazine-options-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 20px 15px;
        margin: 0 10px 15px 10px;
    }

    .magazine-option-card {
        padding: 20px 15px;
    }

    .option-main-text {
        font-size: 1.3rem;
    }

    .option-sub-text {
        font-size: 0.9rem;
    }

    .button-text {
        font-size: 0.9rem;
        padding: 8px 16px;
    }

    /* 練習題頁面響應式 */
    .magazine-practice-content {
        width: 95%;
        max-height: 95vh;
        margin: 10px;
        padding: 15px;
        overflow-y: auto;
    }

    .practice-header {
        padding: 15px 0;
        position: sticky;
        top: 0;
        background: var(--modal-bg);
        z-index: 10;
        border-bottom: 1px solid var(--border-color);
    }

    .practice-title h2 {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }

    .practice-info {
        flex-direction: column;
        gap: 5px;
        font-size: 0.8rem;
    }

    .magazine-question-navigation {
        flex-direction: column;
        gap: 10px;
        padding: 10px 0;
        position: sticky;
        top: 80px;
        background: var(--modal-bg);
        z-index: 9;
        border-bottom: 1px solid var(--border-color);
    }

    .question-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .question-selector select {
        width: 100%;
        padding: 8px;
        font-size: 0.9rem;
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }

    .progress-indicator {
        width: 100%;
    }

    .progress-bar {
        height: 8px;
        border-radius: 4px;
    }

    .magazine-question-container {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }

    .question-image-section {
        width: 100%;
        max-width: none;
    }

    .image-container {
        height: 200px;
        border-radius: 12px;
        overflow: hidden;
    }

    .question-text-section {
        width: 100%;
        padding: 15px 0;
    }

    .question-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        margin-bottom: 15px;
    }

    .question-number {
        font-size: 1.1rem;
        font-weight: bold;
        color: var(--primary-color);
    }

    .question-type {
        font-size: 0.9rem;
        padding: 4px 8px;
        border-radius: 6px;
    }

    .question-content {
        font-size: 1.1rem;
        line-height: 1.6;
        margin: 15px 0;
        padding: 15px;
        background: var(--light-bg);
        border-radius: 8px;
        border-left: 4px solid var(--primary-color);
        animation: slideInFromLeft 0.3s ease-out;
    }

    @keyframes slideInFromLeft {
        from {
            opacity: 0;
            transform: translateX(-20px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .answer-section {
        margin: 20px 0;
    }

    .answer-section label {
        display: block;
        margin-bottom: 10px;
        font-weight: 600;
        color: var(--text-color);
    }

    .answer-input-container {
        flex-direction: column;
        gap: 10px;
    }

    .answer-input-container input {
        width: 100%;
        padding: 15px;
        font-size: 1.1rem;
        border: 2px solid var(--border-color);
        border-radius: 8px;
        background: white;
        transition: border-color 0.3s ease;
    }

    .answer-input-container input:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    }

    .answer-input-container input:valid {
        border-color: #28a745;
    }

    .answer-input-container input:invalid:not(:placeholder-shown) {
        border-color: #dc3545;
    }

    .submit-answer {
        width: 100%;
        padding: 15px;
        font-size: 1.1rem;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .submit-answer:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .answer-feedback {
        margin: 15px 0;
        padding: 15px;
        border-radius: 8px;
        font-size: 1rem;
        font-weight: 500;
        animation: fadeInUp 0.4s ease-out;
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .answer-feedback.correct {
        background: rgba(46, 204, 113, 0.1);
        border: 1px solid rgba(46, 204, 113, 0.3);
        color: #27ae60;
    }

    .answer-feedback.incorrect {
        background: rgba(231, 76, 60, 0.1);
        border: 1px solid rgba(231, 76, 60, 0.3);
        color: #e74c3c;
    }

    .magazine-navigation-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 15px 0;
        position: sticky;
        bottom: 0;
        background: var(--modal-bg);
        border-top: 1px solid var(--border-color);
    }

    .nav-btn {
        width: 100%;
        padding: 15px;
        font-size: 1.1rem;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .nav-btn:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .nav-btn:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    .magazine-practice-stats {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 15px 0;
        background: var(--light-bg);
        border-radius: 8px;
        margin: 15px 0;
    }

    .stat-item {
        padding: 12px;
        font-size: 0.95rem;
        text-align: center;
        border-radius: 6px;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .complete-practice {
        width: 100%;
        padding: 15px;
        font-size: 1.1rem;
        font-weight: 600;
        border-radius: 8px;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .magazine-selection-content {
        width: 98%;
        max-height: 98vh;
        margin: 5px;
    }

    .magazine-selection-header {
        padding: 15px 10px;
    }

    .logo-main {
        font-size: 1.8rem;
    }

    .selection-title {
        font-size: 1.3rem;
    }

    .magazine-options-grid {
        padding: 15px 10px;
        margin: 0 5px 10px 5px;
        gap: 10px;
    }

    .magazine-option-card {
        padding: 15px 10px;
    }

    .option-main-text {
        font-size: 1.2rem;
    }

    .option-sub-text {
        font-size: 0.8rem;
    }

    .button-text {
        font-size: 0.85rem;
        padding: 6px 12px;
    }

    /* 練習題頁面響應式 */
    .magazine-practice-content {
        width: 98%;
        max-height: 98vh;
        margin: 5px;
        padding: 10px;
    }

    .practice-header {
        padding: 10px 0;
    }

    .practice-title h2 {
        font-size: 1.2rem;
    }

    .practice-info {
        font-size: 0.75rem;
    }

    .magazine-question-navigation {
        padding: 8px 0;
        top: 70px;
    }

    .question-selector select {
        padding: 6px;
        font-size: 0.85rem;
    }

    .magazine-question-container {
        gap: 10px;
        padding: 10px 0;
    }

    .image-container {
        height: 150px;
    }

    .question-text-section {
        padding: 10px 0;
    }

    .question-header {
        margin-bottom: 10px;
    }

    .question-number {
        font-size: 1rem;
    }

    .question-type {
        font-size: 0.8rem;
        padding: 3px 6px;
    }

    .question-content {
        font-size: 1rem;
        padding: 12px;
        margin: 12px 0;
    }

    .answer-section {
        margin: 15px 0;
    }

    .answer-input-container input {
        padding: 12px;
        font-size: 1rem;
    }

    .submit-answer {
        padding: 12px;
        font-size: 1rem;
    }

    .answer-feedback {
        padding: 12px;
        font-size: 0.9rem;
    }

    .magazine-navigation-buttons {
        padding: 10px 0;
    }

    .nav-btn {
        padding: 12px;
        font-size: 1rem;
    }

    .magazine-practice-stats {
        padding: 10px 0;
    }

    .stat-item {
        padding: 10px;
        font-size: 0.85rem;
    }

    .complete-practice {
        padding: 12px;
        font-size: 1rem;
    }
}

@media (max-width: 320px) {
    .magazine-selection-content {
        width: 100%;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .magazine-selection-header {
        padding: 10px 5px;
        border-radius: 0;
    }

    .logo-main {
        font-size: 1.6rem;
    }

    .selection-title {
        font-size: 1.1rem;
    }

    .magazine-options-grid {
        padding: 10px 5px;
        margin: 0 5px 5px 5px;
        gap: 8px;
    }

    .magazine-option-card {
        padding: 12px 8px;
    }

    .option-main-text {
        font-size: 1.1rem;
    }

    .option-sub-text {
        font-size: 0.75rem;
    }

    .button-text {
        font-size: 0.8rem;
        padding: 5px 10px;
    }

    /* 練習題頁面響應式 */
    .magazine-practice-content {
        width: 100%;
        max-height: 100vh;
        margin: 0;
        padding: 5px;
        border-radius: 0;
    }

    .practice-header {
        padding: 8px 0;
    }

    .practice-title h2 {
        font-size: 1.1rem;
    }

    .practice-info {
        font-size: 0.7rem;
    }

    .magazine-question-navigation {
        padding: 5px 0;
        top: 60px;
    }

    .question-selector select {
        padding: 5px;
        font-size: 0.8rem;
    }

    .magazine-question-container {
        gap: 8px;
        padding: 8px 0;
    }

    .image-container {
        height: 120px;
    }

    .question-text-section {
        padding: 8px 0;
    }

    .question-header {
        margin-bottom: 8px;
    }

    .question-number {
        font-size: 0.9rem;
    }

    .question-type {
        font-size: 0.75rem;
        padding: 2px 5px;
    }

    .question-content {
        font-size: 0.9rem;
        padding: 10px;
        margin: 10px 0;
    }

    .answer-section {
        margin: 12px 0;
    }

    .answer-input-container input {
        padding: 10px;
        font-size: 0.9rem;
    }

    .submit-answer {
        padding: 10px;
        font-size: 0.9rem;
    }

    .answer-feedback {
        padding: 10px;
        font-size: 0.8rem;
    }

    .magazine-navigation-buttons {
        padding: 8px 0;
    }

    .nav-btn {
        padding: 10px;
        font-size: 0.9rem;
    }

    .magazine-practice-stats {
        padding: 8px 0;
    }

    .stat-item {
        padding: 8px;
        font-size: 0.8rem;
    }

    .complete-practice {
        padding: 10px;
        font-size: 0.9rem;
    }
}

/* 平板設備優化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .magazine-selection-content {
        width: 92%;
        max-height: 92vh;
    }

    .magazine-options-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 30px;
    }

    .magazine-option-card {
        padding: 25px 20px;
    }

    /* 練習題頁面平板優化 */
    .magazine-practice-content {
        width: 92%;
        max-height: 92vh;
        padding: 25px;
    }

    .magazine-question-container {
        flex-direction: row;
        gap: 25px;
        align-items: flex-start;
    }

    .question-image-section {
        width: 45%;
        max-width: 400px;
    }

    .question-text-section {
        width: 55%;
        flex: 1;
    }

    .image-container {
        height: 300px;
    }

    .question-content {
        font-size: 1.2rem;
        line-height: 1.7;
    }

    .answer-input-container {
        flex-direction: row;
        gap: 15px;
    }

    .answer-input-container input {
        flex: 1;
        padding: 15px;
        font-size: 1.1rem;
    }

    .submit-answer {
        width: auto;
        padding: 15px 25px;
        font-size: 1.1rem;
    }

    .magazine-navigation-buttons {
        flex-direction: row;
        gap: 15px;
    }

    .nav-btn {
        flex: 1;
        padding: 15px;
        font-size: 1.1rem;
    }

    .magazine-practice-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}

/* 橫向手機優化 */
@media (max-width: 768px) and (orientation: landscape) {
    .magazine-practice-content {
        max-height: 98vh;
        padding: 10px;
    }

    .practice-header {
        padding: 8px 0;
    }

    .practice-title h2 {
        font-size: 1.1rem;
    }

    .magazine-question-navigation {
        top: 60px;
        padding: 5px 0;
    }

    .magazine-question-container {
        flex-direction: row;
        gap: 15px;
        align-items: flex-start;
    }

    .question-image-section {
        width: 40%;
        max-width: 200px;
    }

    .question-text-section {
        width: 60%;
        flex: 1;
    }

    .image-container {
        height: 120px;
    }

    .question-content {
        font-size: 0.9rem;
        padding: 10px;
    }

    .answer-input-container {
        flex-direction: row;
        gap: 10px;
    }

    .answer-input-container input {
        flex: 1;
        padding: 8px;
        font-size: 0.9rem;
    }

    .submit-answer {
        width: auto;
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .magazine-navigation-buttons {
        flex-direction: row;
        gap: 10px;
        padding: 8px 0;
    }

    .nav-btn {
        flex: 1;
        padding: 8px;
        font-size: 0.9rem;
    }

    .magazine-practice-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        padding: 8px 0;
    }

    .stat-item {
        padding: 6px;
        font-size: 0.8rem;
    }
}

/* 觸控優化 */
@media (hover: none) and (pointer: coarse) {
    .magazine-option-card {
        min-height: 60px;
    }

    .magazine-option-card:hover {
        transform: none;
    }

    .submit-answer,
    .nav-btn,
    .complete-practice {
        min-height: 44px;
        touch-action: manipulation;
    }

    .submit-answer:active,
    .nav-btn:active,
    .complete-practice:active {
        transform: scale(0.98);
    }

    .answer-input-container input {
        font-size: 16px;
        /* 防止iOS縮放 */
    }
}

/* 手機提示樣式 */
.mobile-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: white;
    color: #333;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: transform 0.3s ease;
    max-width: 90%;
    word-wrap: break-word;
}

.mobile-toast.show {
    transform: translateX(-50%) translateY(0);
}

.mobile-toast-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.mobile-toast-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.mobile-toast-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.mobile-toast-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.mobile-toast i {
    font-size: 1rem;
}

/* 手機提示響應式 */
@media (max-width: 480px) {
    .mobile-toast {
        top: 10px;
        padding: 10px 16px;
        font-size: 0.85rem;
        max-width: 95%;
    }
    
    .mobile-toast i {
        font-size: 0.9rem;
    }
}

/* 課程總覽PDF響應式設計 */
.responsive-pdf-container {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
    margin: 15px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.pdf-header {
    margin-bottom: 20px;
    text-align: center;
}

.pdf-title {
    color: #2c3e50;
    margin: 0 0 10px 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pdf-icon {
    color: #e74c3c;
}

.pdf-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #666;
}

.pdf-date,
.pdf-type,
.pdf-file {
    background: white;
    padding: 5px 10px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.pdf-viewer-container {
    position: relative;
    margin: 20px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background: white;
}

.pdf-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    background: rgba(255,255,255,0.95);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.loading-icon {
    color: #3498db;
    font-size: 1.2rem;
}

.pdf-iframe {
    width: 100%;
    height: 70vh;
    min-height: 400px;
    max-height: 600px;
    border: none;
    border-radius: 10px;
    display: block;
}

.pdf-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.pdf-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 5px rgba(52,152,219,0.3);
    min-height: 44px;
    touch-action: manipulation;
}

.pdf-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52,152,219,0.4);
}

.pdf-btn.open-btn {
    background: linear-gradient(135deg, #27ae60, #229954);
    box-shadow: 0 2px 5px rgba(39,174,96,0.3);
}

.pdf-btn.open-btn:hover {
    box-shadow: 0 4px 12px rgba(39,174,96,0.4);
}

/* PDF響應式設計 */
@media (max-width: 768px) {
    .responsive-pdf-container {
        padding: 15px;
        margin: 10px 0;
    }

    .pdf-header {
        margin-bottom: 15px;
    }

    .pdf-title {
        font-size: 1.3rem;
        flex-direction: column;
        gap: 5px;
    }

    .pdf-info {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }

    .pdf-date,
    .pdf-type,
    .pdf-file {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .pdf-viewer-container {
        margin: 15px 0;
    }

    .pdf-iframe {
        height: 60vh;
        min-height: 300px;
        max-height: 500px;
    }

    .pdf-actions {
        flex-direction: column;
        gap: 10px;
        margin-top: 15px;
    }

    .pdf-btn {
        width: 100%;
        justify-content: center;
        padding: 15px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .responsive-pdf-container {
        padding: 10px;
        margin: 5px 0;
    }

    .pdf-title {
        font-size: 1.2rem;
    }

    .pdf-info {
        font-size: 0.8rem;
    }

    .pdf-date,
    .pdf-type,
    .pdf-file {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .pdf-iframe {
        height: 50vh;
        min-height: 250px;
        max-height: 400px;
    }

    .pdf-btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .pdf-loading {
        padding: 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 320px) {
    .responsive-pdf-container {
        padding: 8px;
        border-radius: 10px;
    }

    .pdf-title {
        font-size: 1.1rem;
    }

    .pdf-iframe {
        height: 45vh;
        min-height: 200px;
        max-height: 350px;
    }

    .pdf-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
}

/* 橫向手機優化 */
@media (max-width: 768px) and (orientation: landscape) {
    .pdf-iframe {
        height: 70vh;
        min-height: 200px;
        max-height: 400px;
    }

    .pdf-actions {
        flex-direction: row;
        gap: 10px;
    }

    .pdf-btn {
        width: auto;
        flex: 1;
    }
}

/* 平板設備優化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .responsive-pdf-container {
        padding: 25px;
    }

    .pdf-title {
        font-size: 1.4rem;
    }

    .pdf-iframe {
        height: 65vh;
        min-height: 350px;
        max-height: 550px;
    }

    .pdf-actions {
        gap: 20px;
    }

    .pdf-btn {
        padding: 14px 28px;
        font-size: 1.1rem;
    }

    /* PDF模態框平板優化 */
    #pdfModal .modal-content {
        max-width: 95%;
        padding: 25px;
    }
}

/* PDF模態框響應式 */
@media (max-width: 768px) {
    #pdfModal .modal-content {
        margin: 2% auto;
        padding: 15px;
        width: 95%;
        max-height: 96vh;
    }

    #pdfModal .close {
        right: 15px;
        top: 10px;
        font-size: 24px;
    }

    #pdfModal h2 {
        font-size: 1.4rem;
        margin-bottom: 15px;
        padding-right: 30px;
    }
}

@media (max-width: 480px) {
    #pdfModal .modal-content {
        margin: 1% auto;
        padding: 10px;
        width: 98%;
        max-height: 98vh;
        border-radius: 10px;
    }

    #pdfModal .close {
        right: 10px;
        top: 8px;
        font-size: 20px;
    }

    #pdfModal h2 {
        font-size: 1.2rem;
        margin-bottom: 10px;
        padding-right: 25px;
    }
}

@media (max-width: 320px) {
    #pdfModal .modal-content {
        margin: 0;
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }

    #pdfModal .close {
        right: 8px;
        top: 5px;
        font-size: 18px;
    }

    #pdfModal h2 {
        font-size: 1.1rem;
        padding-right: 20px;
    }
}