/* ========================================
   审辨式思维互动测评系统 - 样式表
   响应式设计：手机和电脑保持一致
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #1F4E79;
    --primary-light: #2E86C1;
    --primary-dark: #154360;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-bg: #f8f9fa;
    --dark-text: #333;
    --gray-text: #666;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 5px 20px rgba(0,0,0,0.15);
    --radius: 10px;
    --transition: all 0.3s ease;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局防溢出 */
* {
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

img, video, svg {
    max-width: 100%;
    height: auto;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: var(--dark-text);
    line-height: 1.6;
}

/* Container - 响应式 */
.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 15px;
    overflow-x: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (min-width: 768px) {
    .container {
        max-width: 1200px;
        padding: 0 20px;
    }
}

/* Header - 响应式 */
.main-header {
    background: var(--primary-color);
    color: white;
    padding: 15px 0;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

@media (min-width: 768px) {
    .main-header {
        padding: 20px 0;
        margin-bottom: 30px;
    }
}

.main-header h1 {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
}

@media (min-width: 768px) {
    .main-header h1 {
        font-size: 28px;
    }
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .main-nav {
        gap: 20px;
        margin-top: 15px;
    }
}

.main-nav a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 5px;
    transition: var(--transition);
    font-size: 14px;
}

@media (min-width: 768px) {
    .main-nav a {
        padding: 8px 16px;
        font-size: 16px;
    }
}

.main-nav a:hover {
    background: rgba(255,255,255,0.2);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
    padding-bottom: 40px;
    overflow: hidden;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 15px;
    color: var(--gray-text);
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
    font-size: 14px;
}

@media (min-width: 768px) {
    .main-footer {
        padding: 20px;
        margin-top: 40px;
    }
}

/* Buttons - 响应式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

@media (min-width: 768px) {
    .btn {
        padding: 12px 24px;
        font-size: 16px;
    }
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background: #5a6268;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

@media (min-width: 768px) {
    .btn-lg {
        padding: 15px 30px;
        font-size: 18px;
    }
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* Auth Pages - 响应式 */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
    padding: 20px 0;
}

.auth-card {
    background: white;
    border-radius: var(--radius);
    padding: 25px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .auth-card {
        padding: 40px;
    }
}

.auth-card h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 22px;
}

@media (min-width: 768px) {
    .auth-card h2 {
        margin-bottom: 30px;
        font-size: 24px;
    }
}

.auth-links {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-text);
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Forms - 响应式 */
.form-container {
    display: flex;
    justify-content: center;
    padding: 15px 0;
}

.form-card {
    background: white;
    border-radius: var(--radius);
    padding: 25px;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .form-card {
        padding: 40px;
    }
}

.form-card h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.form-desc {
    color: var(--gray-text);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .form-desc {
        margin-bottom: 25px;
    }
}

.form-progress {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.form-group {
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .form-group {
        margin-bottom: 20px;
    }
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-text);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 15px;
    transition: var(--transition);
}

@media (min-width: 768px) {
    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group input[type="number"],
    .form-group textarea {
        padding: 12px 15px;
        font-size: 16px;
    }
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.1);
}

.required {
    color: var(--danger-color);
}

/* Radio Groups */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}

.radio-label:hover {
    border-color: var(--primary-color);
    background: rgba(31, 78, 121, 0.05);
}

.radio-label input[type="radio"] {
    margin-right: 8px;
}

.radio-label input[type="radio"]:checked + span {
    color: var(--primary-color);
    font-weight: 500;
}

/* Landing Page - 响应式 */
.landing-container {
    padding: 15px 0;
}

@media (min-width: 768px) {
    .landing-container {
        padding: 20px 0;
    }
}

.landing-hero {
    background: white;
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .landing-hero {
        padding: 60px 40px;
        margin-bottom: 30px;
    }
}

.hero-content h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .hero-content h2 {
        font-size: 36px;
        margin-bottom: 15px;
    }
}

.hero-subtitle {
    font-size: 14px;
    color: var(--gray-text);
    margin-bottom: 25px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 40px;
    }
}

.hero-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

@media (min-width: 768px) {
    .hero-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        margin-bottom: 40px;
    }
}

.feature-item {
    padding: 20px 15px;
    background: var(--light-bg);
    border-radius: var(--radius);
    transition: var(--transition);
}

@media (min-width: 768px) {
    .feature-item {
        padding: 30px 20px;
    }
}

.feature-link {
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
}

.feature-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: white;
}

@media (min-width: 768px) {
    .feature-link:hover {
        transform: translateY(-5px);
    }
}

.feature-arrow {
    position: absolute;
    bottom: 15px;
    right: 15px;
    font-size: 20px;
    color: var(--primary-color);
    opacity: 0;
    transition: var(--transition);
}

@media (min-width: 768px) {
    .feature-arrow {
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }
}

.feature-link:hover .feature-arrow {
    opacity: 1;
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .feature-icon {
        font-size: 48px;
        margin-bottom: 15px;
    }
}

.feature-item h3 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 18px;
}

@media (min-width: 768px) {
    .feature-item h3 {
        margin-bottom: 10px;
        font-size: 20px;
    }
}

.feature-item p {
    font-size: 13px;
    color: var(--gray-text);
    margin: 0;
}

@media (min-width: 768px) {
    .feature-item p {
        font-size: 14px;
    }
}

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

.landing-info {
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.landing-info h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-content p {
    margin-bottom: 10px;
    color: var(--gray-text);
}

.login-prompt {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: var(--radius);
    margin: 20px 0;
    box-shadow: var(--shadow);
}

.login-prompt a {
    color: var(--primary-color);
    font-weight: bold;
}

/* My Info Page */
.my-info-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.info-header h2 {
    color: var(--primary-color);
    margin: 0;
}

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

.info-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.info-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

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

.info-item {
    background: var(--light-bg);
    padding: 12px 15px;
    border-radius: 8px;
}

.info-label {
    display: block;
    font-size: 12px;
    color: var(--gray-text);
    margin-bottom: 5px;
}

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

.info-time {
    margin-top: 15px;
    font-size: 13px;
    color: var(--gray-text);
    text-align: right;
}

.info-empty {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.info-empty p {
    color: var(--gray-text);
    margin-bottom: 15px;
}

.section {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.section h3 {
    color: #1F4E79;
    margin-bottom: 15px;
    border-bottom: 2px solid #1F4E79;
    padding-bottom: 10px;
}

.questionnaire-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.summary-badge {
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 14px;
}

.summary-time {
    color: var(--gray-text);
    font-size: 13px;
}

.questionnaire-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.question-item {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 8px;
}

.question-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.question-num {
    font-weight: 500;
    color: var(--primary-color);
}

.question-score {
    background: var(--primary-color);
    color: white;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 13px;
}

.question-text {
    margin: 0 0 8px 0;
    color: var(--dark-text);
    font-size: 14px;
}

.question-answer {
    font-size: 13px;
}

.answer-label {
    color: var(--gray-text);
}

.answer-value {
    color: var(--primary-color);
    font-weight: 500;
}

/* Survey Pages - 响应式 */
.survey-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 15px 0;
}

@media (min-width: 768px) {
    .survey-container {
        padding: 20px 0;
    }
}

.survey-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

@media (min-width: 768px) {
    .survey-card {
        padding: 30px 40px;
    }
}

.survey-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 5px;
}

@media (min-width: 768px) {
    .survey-title {
        font-size: 28px;
    }
}

.survey-subtitle {
    text-align: center;
    color: var(--gray-text);
    margin-bottom: 20px;
    font-size: 14px;
}

@media (min-width: 768px) {
    .survey-subtitle {
        margin-bottom: 30px;
        font-size: 16px;
    }
}

.consent-notice {
    background: #f0f9ff;
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 0 8px 8px 0;
    font-size: 13px;
}

@media (min-width: 768px) {
    .consent-notice {
        padding: 20px;
        margin-bottom: 30px;
        font-size: 14px;
    }
}

.consent-notice p {
    margin-bottom: 8px;
    color: var(--dark-text);
}

.questionnaire-notice {
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 0 8px 8px 0;
    font-size: 13px;
}

@media (min-width: 768px) {
    .questionnaire-notice {
        padding: 15px 20px;
        margin-bottom: 30px;
        font-size: 14px;
    }
}

.progress-info {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 14px;
}

.survey-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@media (min-width: 768px) {
    .survey-form {
        gap: 25px;
    }
}

.question-item {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 8px;
}

@media (min-width: 768px) {
    .question-item {
        padding: 20px;
    }
}

.question-label {
    display: block;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--dark-text);
    font-size: 15px;
}

@media (min-width: 768px) {
    .question-label {
        font-size: 16px;
    }
}

.radio-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.radio-group-col {
    flex-direction: column;
    gap: 10px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px 18px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    font-size: 15px;
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

@media (min-width: 768px) {
    .radio-option {
        padding: 12px 20px;
        font-size: 15px;
    }
}

.radio-option:active {
    transform: scale(0.98);
    background: rgba(31, 78, 121, 0.1);
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.radio-option.selected,
.radio-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(31, 78, 121, 0.1);
    font-weight: 500;
}

.text-input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 15px;
}

@media (min-width: 768px) {
    .text-input {
        max-width: 200px;
        padding: 12px 15px;
    }
}

.text-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.1);
}

/* Scale Options - 问卷专用 */
.scale-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

@media (min-width: 768px) {
    .scale-options {
        grid-template-columns: repeat(6, 1fr);
        gap: 10px;
    }
}

.scale-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    min-height: 60px;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

@media (min-width: 768px) {
    .scale-option {
        padding: 12px 8px;
    }
}

.scale-option:active {
    transform: scale(0.95);
    background: rgba(31, 78, 121, 0.1);
}

.scale-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.scale-option.selected,
.scale-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(31, 78, 121, 0.15);
    box-shadow: 0 0 0 2px rgba(31, 78, 121, 0.2);
}

.scale-num {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 4px;
}

.scale-text {
    font-size: 11px;
    color: var(--gray-text);
}

@media (min-width: 768px) {
    .scale-text {
        font-size: 12px;
    }
}

.scale-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(31, 78, 121, 0.15);
    box-shadow: 0 0 0 2px rgba(31, 78, 121, 0.2);
}

.scale-option:has(input[type="radio"]:checked) .scale-num {
    color: var(--primary-color);
}

.form-actions {
    margin-top: 20px;
    text-align: center;
}

/* Dashboard - 响应式 */
.dashboard-container {
    padding: 15px 0;
}

@media (min-width: 768px) {
    .dashboard-container {
        padding: 20px 0;
    }
}

.dashboard-header h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 20px;
}

@media (min-width: 768px) {
    .dashboard-header h2 {
        margin-bottom: 30px;
        font-size: 24px;
    }
}

.dashboard-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

@media (min-width: 768px) {
    .dashboard-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 30px;
    }
}

.dash-card {
    background: white;
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
}

.dash-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

/* Progress Steps - 响应式 */
.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
    gap: 10px;
}

@media (min-width: 768px) {
    .progress-steps {
        flex-wrap: nowrap;
        gap: 0;
    }
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
    display: none;
}

@media (min-width: 768px) {
    .progress-steps::before {
        display: block;
    }
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--gray-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 12px;
}

@media (min-width: 768px) {
    .step-num {
        width: 40px;
        height: 40px;
        margin-bottom: 8px;
        font-size: 14px;
    }
}

.step.completed .step-num {
    background: var(--success-color);
    color: white;
}

.step.active .step-num {
    background: var(--primary-color);
    color: white;
}

.step-label {
    font-size: 12px;
    color: var(--gray-text);
    text-align: center;
}

/* History List */
.dashboard-section {
    background: white;
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
}

.dashboard-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--light-bg);
    border-radius: var(--radius);
}

.history-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.history-mode {
    background: var(--primary-color);
    color: white;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 12px;
}

.history-status {
    color: var(--gray-text);
}

.history-scenarios {
    color: var(--primary-color);
    font-size: 13px;
    margin-left: 10px;
}

/* Mode Selection - 响应式 */
.mode-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

@media (min-width: 768px) {
    .mode-options {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 30px;
    }
}

.mode-card {
    cursor: pointer;
}

.mode-card input[type="radio"] {
    display: none;
}

.mode-content {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

.mode-card input[type="radio"]:checked + .mode-content {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.2);
}

.mode-content:hover {
    border-color: var(--primary-light);
}

.mode-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.mode-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.mode-content ul {
    text-align: left;
    margin: 15px 0;
    padding-left: 20px;
}

.mode-content li {
    margin-bottom: 8px;
    color: var(--gray-text);
}

.mode-note {
    font-size: 14px;
    color: var(--info-color);
    font-style: italic;
    margin-top: 15px;
}

/* Questionnaire */
.question-item {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
}

.question-text {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.scale-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.scale-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    min-width: 80px;
}

.scale-label:hover {
    border-color: var(--primary-color);
    background: rgba(31, 78, 121, 0.05);
}

.scale-label input[type="radio"] {
    margin-right: 8px;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.scale-label:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(31, 78, 121, 0.15);
    box-shadow: 0 0 0 2px rgba(31, 78, 121, 0.2);
}

.scale-label input[type="radio"]:checked + .scale-value {
    color: var(--primary-color);
    font-weight: bold;
}

.scale-value {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

.scale-text {
    font-size: 12px;
    color: var(--gray-text);
}

/* Assessment - 响应式 */
.assessment-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 10px 0;
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (min-width: 768px) {
    .assessment-container {
        max-width: 900px;
        padding: 20px 0;
    }
}

.scenario-intro {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.scenario-intro-content {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    max-width: 500px;
}

.scenario-intro-content h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.scenario-intro-content p {
    color: var(--gray-text);
    margin-bottom: 20px;
}

.assessment-progress {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.progress-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.mode-badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.mode-test {
    background: #e3f2fd;
    color: #1565c0;
}

.mode-intervention {
    background: #e8f5e9;
    color: #2e7d32;
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--border-color);
    z-index: 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.progress-step .step-num {
    width: 30px;
    height: 30px;
    font-size: 14px;
}

.progress-step .step-name {
    font-size: 11px;
    color: var(--gray-text);
    margin-top: 5px;
    text-align: center;
    max-width: 80px;
}

.progress-step.completed .step-num {
    background: var(--success-color);
}

.progress-step.active .step-num {
    background: var(--primary-color);
}

/* Stage Container - 响应式 */
.stage-container {
    background: white;
    border-radius: var(--radius);
    padding: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (min-width: 768px) {
    .stage-container {
        padding: 30px;
    }
}

.stage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.stage-header h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 22px;
}

/* Timer */
.timer {
    background: var(--light-bg);
    padding: 10px 20px;
    border-radius: var(--radius);
    border: 2px solid var(--border-color);
}

.timer-display {
    font-size: 24px;
    font-weight: bold;
    font-family: monospace;
    color: var(--dark-text);
}

.timer-warning .timer-display {
    color: var(--danger-color);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Stage Content */
.stage-content {
    margin-bottom: 25px;
}

.evidence-box, .perspective-box, .question-box {
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.evidence-box h4, .perspective-box h4, .question-box h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.evidence-box p, .perspective-box p, .question-box p {
    line-height: 1.8;
    color: var(--dark-text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.evidence-box pre, .perspective-box pre, .question-box pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-family: inherit;
    margin: 0;
    line-height: 1.8;
    max-width: 100%;
    display: block;
}

/* AI Feedback */
.ai-feedback-box {
    background: linear-gradient(135deg, #e8f4fd 0%, #f0f9ff 100%);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
}

.ai-feedback-box h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.analysis-dimensions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.analysis-item {
    background: white;
    padding: 12px 15px;
    border-radius: 8px;
    border-left: 3px solid var(--primary-light);
}

.analysis-item strong {
    color: var(--primary-color);
    margin-right: 8px;
}

.score-badge {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    margin-left: 8px;
}

.analysis-item p {
    margin: 5px 0 0 0;
    color: var(--gray-text);
    font-size: 14px;
}

.overall-analysis {
    background: white;
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 12px;
    color: var(--dark-text);
}

.suggestions {
    background: white;
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 12px;
}

.suggestions ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
}

.suggestions li {
    margin-bottom: 5px;
    color: var(--gray-text);
}

/* Warning Box */
.warning-box {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.warning-box h4 {
    color: #856404;
    margin-bottom: 10px;
}

.warning-box p {
    color: #856404;
    margin-bottom: 15px;
}

.warning-box .btn {
    background: #ffc107;
    color: #856404;
    font-weight: bold;
}

.warning-box .btn:hover {
    background: #e0a800;
}

/* AI Loading */
.ai-loading {
    text-align: center;
    padding: 20px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-hint {
    color: var(--gray-text);
    font-size: 12px;
    margin-top: 5px;
}

/* Browse Mode */
.browse-section {
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 15px;
}

.browse-section h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 16px;
}

.browse-section pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    line-height: 1.6;
}

.answer-box {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 12px 15px;
    border-radius: 0 8px 8px 0;
    margin-top: 10px;
}

.answer-box pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    color: #1565c0;
}

/* Question Text Format */
.question-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-family: inherit;
    margin: 0;
    line-height: 1.8;
    max-width: 100%;
}

.complete-actions {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.complete-actions p {
    margin-bottom: 15px;
    color: var(--gray-text);
}

.complete-actions .btn {
    margin: 5px;
}

.ai-analyzing {
    color: var(--primary-color);
    font-weight: 500;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* AI Chat Response */
.ai-chat-response {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    border-radius: 12px;
    margin: 10px 0;
}

.ai-chat-response.good {
    background: #e8f5e9;
    border: 1px solid #4caf50;
}

.ai-chat-response.medium {
    background: #fff3e0;
    border: 1px solid #ff9800;
}

.ai-chat-response.invalid {
    background: #ffebee;
    border: 1px solid #f44336;
}

.ai-score {
    background: #1a237e;
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    white-space: nowrap;
}

.ai-chat-response.good .ai-score {
    background: #2e7d32;
}

.ai-chat-response.medium .ai-score {
    background: #f57c00;
}

.ai-chat-response.invalid .ai-score {
    background: #c62828;
}

.ai-text {
    flex: 1;
    line-height: 1.6;
    color: #333;
}

/* Answer Section */
.answer-section {
    margin-top: 20px;
}

.answer-section label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--dark-text);
}

.answer-section textarea {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    line-height: 1.6;
    resize: vertical;
    box-sizing: border-box;
    max-width: 100%;
}

.answer-section textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.1);
}

/* Stage Actions */
.stage-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

/* Stage Complete */
.stage-complete {
    background: white;
    border-radius: var(--radius);
    padding: 60px 30px;
    text-align: center;
    box-shadow: var(--shadow);
}

.complete-content h3 {
    color: var(--success-color);
    font-size: 24px;
    margin-bottom: 15px;
}

.complete-content p {
    color: var(--gray-text);
    margin-bottom: 25px;
}

/* Background Stage */
.background-text {
    font-size: 18px;
    line-height: 2;
    color: var(--dark-text);
    text-align: justify;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Result Page - 响应式 */
.result-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 15px 0;
}

@media (min-width: 768px) {
    .result-container {
        max-width: 900px;
        padding: 20px 0;
    }
}

.result-header {
    text-align: center;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .result-header {
        margin-bottom: 30px;
    }
}

.result-header h2 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .result-header h2 {
        font-size: 28px;
    }
}

.result-summary {
    text-align: center;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .result-summary {
        margin-bottom: 40px;
    }
}

.score-circle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .score-circle {
        width: 150px;
        height: 150px;
    }
}

.score-value {
    font-size: 32px;
    font-weight: bold;
}

@media (min-width: 768px) {
    .score-value {
        font-size: 42px;
    }
}

.score-label {
    font-size: 12px;
    opacity: 0.9;
}

@media (min-width: 768px) {
    .score-label {
        font-size: 14px;
    }
}

.result-chart {
    background: white;
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

@media (min-width: 768px) {
    .result-chart {
        padding: 30px;
        margin-bottom: 30px;
    }
}

.result-chart h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 15px;
    font-size: 18px;
}

@media (min-width: 768px) {
    .result-chart h3 {
        margin-bottom: 20px;
        font-size: 20px;
    }
}

.chart-container {
    max-width: 100%;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .chart-container {
        max-width: 500px;
    }
}

.result-details {
    background: white;
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

@media (min-width: 768px) {
    .result-details {
        padding: 30px;
        margin-bottom: 30px;
    }
}

.result-details h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

@media (min-width: 768px) {
    .result-details h3 {
        margin-bottom: 20px;
        font-size: 20px;
    }
}

.dimension-scores {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.dimension-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dim-header {
    display: flex;
    justify-content: space-between;
}

.dim-name {
    font-weight: 500;
}

.dim-score {
    color: var(--primary-color);
    font-weight: bold;
}

.dim-bar {
    height: 10px;
    background: var(--light-bg);
    border-radius: 5px;
    overflow: hidden;
}

.dim-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 5px;
    transition: width 0.5s ease;
}

/* Chat History - 响应式 */
.result-chat-history {
    background: white;
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

@media (min-width: 768px) {
    .result-chat-history {
        padding: 30px;
        margin-bottom: 30px;
    }
}

.result-chat-history h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

@media (min-width: 768px) {
    .result-chat-history h3 {
        margin-bottom: 20px;
        font-size: 20px;
    }
}

.chat-scenario-section {
    margin-bottom: 30px;
}

.chat-scenario-section h4 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.chat-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #e8ecf4;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.chat-item:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.chat-question, .chat-answer, .chat-analysis {
    margin-bottom: 15px;
    padding: 12px 15px;
    border-radius: 8px;
}

.chat-question {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    border: 1px solid #d4e0ff;
}

.chat-answer {
    background: linear-gradient(135deg, #f8f9fa 0%, #f0f2f5 100%);
    border: 1px solid #e8ecf0;
}

.chat-label {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 8px;
}

.chat-question p, .chat-answer p {
    margin: 0;
    line-height: 1.6;
    color: var(--dark-text);
}

.chat-question pre.question-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    line-height: 1.8;
    color: var(--dark-text);
}

.ai-analysis-inline {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
}

.ai-label {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.chat-analysis {
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e0e6ff;
    border-left: 4px solid var(--primary-color);
    margin-top: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.chat-analysis > .chat-label {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-size: 14px;
    padding: 5px 15px;
    margin-bottom: 15px;
    display: inline-block;
}

.analysis-dimensions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 15px;
}

.analysis-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #e8ecf4;
    border-left: 4px solid var(--primary-light);
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}

.analysis-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.analysis-item strong {
    color: var(--primary-dark);
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.score-badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(31,78,121,0.3);
}

.analysis-item p {
    margin: 8px 0 0 0;
    color: #555;
    font-size: 14px;
    line-height: 1.6;
}

.overall-analysis {
    background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
    padding: 18px;
    border-radius: 10px;
    border: 1px solid #ffeaa7;
    border-left: 4px solid #f39c12;
    margin-top: 15px;
    color: #5d4e37;
    line-height: 1.7;
    box-shadow: 0 2px 8px rgba(243,156,18,0.1);
}

.overall-analysis strong {
    color: #e67e22;
    font-size: 15px;
}

.suggestions {
    background: linear-gradient(135deg, #e8f8f5 0%, #d1f2eb 100%);
    padding: 18px;
    border-radius: 10px;
    border: 1px solid #a3e4d7;
    border-left: 4px solid #27ae60;
    margin-top: 15px;
    box-shadow: 0 2px 8px rgba(39,174,96,0.1);
}

.suggestions strong {
    color: #27ae60;
    font-size: 15px;
}

.suggestions ul {
    margin: 12px 0 0 0;
    padding-left: 20px;
}

.suggestions li {
    margin-bottom: 8px;
    color: #555;
    line-height: 1.5;
    padding-left: 5px;
}

.suggestions li::marker {
    color: #27ae60;
}

/* 问卷题目样式 */
.question-item {
    background: white;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 10px;
    border: 1px solid #e8ecf4;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}

.question-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.question-num {
    color: var(--primary-dark);
    font-weight: bold;
    font-size: 15px;
}

.question-score {
    background: var(--primary-color);
    color: white;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.question-item p {
    margin: 5px 0;
    color: #555;
    line-height: 1.6;
}

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

.scenario-section h4 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.response-item {
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 15px;
}

.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.stage-name {
    font-weight: 500;
    color: var(--primary-color);
}

.time-spent {
    color: var(--gray-text);
    font-size: 14px;
}

.response-question, .response-answer {
    margin-bottom: 10px;
    line-height: 1.6;
}

.response-question strong, .response-answer strong {
    color: var(--primary-color);
}

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

/* Responsive - 移动端优先 */
@media (max-width: 767px) {
    .container {
        padding: 0 10px;
    }

    .main-header h1 {
        font-size: 16px;
    }

    .main-nav {
        gap: 8px;
    }

    .main-nav a {
        padding: 5px 10px;
        font-size: 13px;
    }

    .hero-content h2 {
        font-size: 22px;
    }

    .hero-subtitle {
        font-size: 13px;
    }

    .feature-item h3 {
        font-size: 16px;
    }

    .feature-item p {
        font-size: 12px;
    }

    .dashboard-cards {
        grid-template-columns: 1fr;
    }

    .mode-options {
        grid-template-columns: 1fr;
    }

    .progress-steps {
        flex-wrap: wrap;
        gap: 8px;
    }

    .progress-step .step-name {
        font-size: 10px;
        max-width: 60px;
    }

    .stage-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .stage-header h2 {
        font-size: 18px;
    }

    .response-header {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .chat-item {
        padding: 12px;
    }

    .chat-label {
        font-size: 11px;
        padding: 2px 8px;
    }

    .analysis-item {
        padding: 10px;
    }

    .score-badge {
        font-size: 11px;
        padding: 1px 6px;
    }
}

/* 大屏幕 */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}