/* ClassConvo - Course Reviews */

/* Honeypot fields - hidden from users */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    z-index: -1;
    overflow: hidden;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

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

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

a:hover {
    text-decoration: underline;
}

/* Header */
.site-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo:hover {
    text-decoration: none;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.search-form {
    display: flex;
    gap: 8px;
}

.search-form input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 250px;
}

.search-form button {
    padding: 8px 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.search-form button:hover {
    background: var(--primary-dark);
}

.user-greeting {
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

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

/* Main Content */
.site-main {
    padding: 40px 0;
    min-height: calc(100vh - 180px);
}

/* Flash Messages */
.flash {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.flash-success {
    background: #dcfce7;
    color: #166534;
}

.flash-error {
    background: #fee2e2;
    color: #991b1b;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    color: white;
    border-radius: var(--radius);
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.hero-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    gap: 10px;
}

.hero-search input {
    flex: 1;
    padding: 15px 20px;
    font-size: 1.1rem;
    border: none;
    border-radius: var(--radius);
}

.hero-search button {
    padding: 15px 30px;
    font-size: 1.1rem;
    background: var(--text);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.hero-cta .btn-google {
    width: auto;
    flex: 0 0 auto;
    padding: 10px 20px;
}

.hero-cta .btn {
    padding: 10px 20px;
}

.cta-divider {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Search Autocomplete */
.search-autocomplete {
    position: relative;
    flex: 1;
}

.search-autocomplete input {
    width: 100%;
    padding: 15px 20px;
    font-size: 1.1rem;
    border: none;
    border-radius: var(--radius);
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin-top: 5px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.autocomplete-results.visible {
    display: block;
}

.autocomplete-item {
    display: block;
    padding: 12px 16px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: var(--bg);
    text-decoration: none;
}

.autocomplete-course {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.autocomplete-code {
    font-weight: 600;
    color: var(--primary);
}

.autocomplete-institution {
    font-size: 0.85rem;
    color: var(--text-light);
}

.autocomplete-title {
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 4px;
}

.autocomplete-rating {
    font-size: 0.85rem;
    color: var(--text-light);
}

.autocomplete-rating .stars {
    color: var(--warning);
}

.autocomplete-empty {
    padding: 16px;
    text-align: center;
    color: var(--text-light);
}

/* Course Sections */
.course-section {
    margin-bottom: 40px;
}

.course-section h2 {
    margin-bottom: 20px;
    color: var(--text);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.course-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: box-shadow 0.2s;
    color: var(--text);
}

.course-card:hover {
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.course-code {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 5px;
}

.course-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.course-institution {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stars {
    color: var(--warning);
}

.rating-value {
    font-weight: 600;
}

.review-count {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Course List (horizontal cards) */
.course-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.course-card-horizontal {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-stats {
    text-align: right;
}

.no-reviews {
    color: var(--text-light);
    font-style: italic;
}

/* Course Detail Page */
.course-detail {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 30px;
}

.course-header {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.course-identity h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.course-meta {
    display: flex;
    gap: 15px;
    color: var(--text-light);
}

.course-meta span::after {
    content: '•';
    margin-left: 15px;
}

.course-meta span:last-child::after {
    content: '';
}

.course-ratings-summary {
    flex-shrink: 0;
}

.overall-rating {
    text-align: center;
    margin-bottom: 20px;
}

.rating-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
}

.rating-max {
    color: var(--text-light);
}

.rating-breakdown {
    width: 200px;
}

.rating-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.rating-label {
    font-size: 0.85rem;
    width: 70px;
}

.rating-bar {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.rating-fill {
    height: 100%;
    background: var(--primary);
}

/* Reviews Section */
.course-reviews {
    margin-top: 30px;
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.reviews-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

#sort-reviews {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 20px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.review-ratings {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.overall-stars {
    font-size: 1.2rem;
    color: var(--warning);
}

.rating-badges {
    display: flex;
    gap: 10px;
}

.badge {
    font-size: 0.8rem;
    padding: 3px 8px;
    background: var(--bg-white);
    border-radius: 4px;
    color: var(--text-light);
}

.review-meta {
    text-align: right;
    color: var(--text-light);
    font-size: 0.9rem;
}

.review-meta span {
    display: block;
}

.review-text {
    margin-bottom: 15px;
    line-height: 1.7;
}

.review-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.pros {
    color: #166534;
}

.cons {
    color: #991b1b;
}

.review-tips {
    background: #fef3c7;
    padding: 12px;
    border-radius: var(--radius);
    margin-bottom: 15px;
}

.review-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-light);
}

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

.btn-helpful {
    padding: 5px 12px;
    font-size: 0.85rem;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
}

.btn-helpful:hover {
    background: var(--border);
}

.review-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-flag {
    padding: 5px 10px;
    font-size: 0.8rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-light);
    transition: all 0.2s;
}

.btn-flag:hover {
    background: #fee2e2;
    border-color: var(--error);
    color: var(--error);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-content h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Review Form */
.review-form-page {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
}

.review-form-page h1 {
    margin-bottom: 5px;
}

.review-form-page .course-title {
    color: var(--text-light);
    margin-bottom: 30px;
}

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

.form-section h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.rating-input {
    margin-bottom: 20px;
}

.rating-input label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

.rating-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

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

.star-rating {
    display: flex;
    gap: 5px;
}

.star-rating .star {
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--border);
    cursor: pointer;
    transition: color 0.2s;
}

.star-rating .star:hover,
.star-rating .star.active {
    color: var(--warning);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Auth Pages */
.auth-page {
    max-width: 420px;
    margin: 60px auto;
    background: var(--bg-white);
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), #7c3aed);
    border-radius: 0 0 4px 4px;
}

.auth-page h1 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.auth-form .form-group {
    margin-bottom: 24px;
}

.auth-form .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text);
}

.auth-form .form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--bg);
}

.auth-form .form-group input:hover {
    border-color: #cbd5e1;
}

.auth-form .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.auth-form .form-group input:disabled {
    background: #f1f5f9;
    color: var(--text-light);
    cursor: not-allowed;
}

.auth-form .btn-primary {
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    transition: all 0.2s ease;
}

.auth-form .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.auth-form .btn-primary:active {
    transform: translateY(0);
}

.auth-switch {
    text-align: center;
    margin-top: 24px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.auth-switch a {
    font-weight: 600;
    color: var(--primary);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 28px 0;
    color: var(--text-light);
    font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    padding: 0 16px;
}

/* Google Sign-In Button */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 12px 20px;
    background: #fff;
    color: #3c4043;
    border: 1px solid #dadce0;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.btn-google:hover {
    background: #f8f9fa;
    box-shadow: 0 1px 3px rgba(60, 64, 67, 0.3);
    text-decoration: none;
}

.btn-google:active {
    background: #eee;
}

.btn-google svg {
    flex-shrink: 0;
}

/* Google button in nav (icon only) */
.btn-google-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: #fff;
    border: 1px solid #dadce0;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.btn-google-nav:hover {
    background: #f8f9fa;
    box-shadow: 0 1px 3px rgba(60, 64, 67, 0.3);
    text-decoration: none;
}

.btn-google-nav:active {
    background: #eee;
}

.btn-google-nav svg {
    flex-shrink: 0;
}

/* Smaller Google button for inline use */
.btn-google-small {
    width: auto;
    padding: 8px 16px;
    font-size: 0.875rem;
    gap: 8px;
}

/* Password visibility toggle */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
    font-size: 1.1rem;
    transition: color 0.2s;
}

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

/* Password strength indicator */
.password-strength {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    transition: background 0.3s;
}

.password-strength-bar.weak {
    background: var(--error);
}

.password-strength-bar.medium {
    background: var(--warning);
}

.password-strength-bar.strong {
    background: var(--success);
}

.password-strength-text {
    font-size: 0.8rem;
    margin-top: 4px;
    color: var(--text-light);
}

/* Error Pages */
.error-page {
    text-align: center;
    padding: 60px 20px;
}

.error-page h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.error-page p {
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-white);
    border-radius: var(--radius);
}

.empty-state h2 {
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-light);
}

/* Footer */
.site-footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
    color: var(--text-light);
}

.site-footer a {
    color: var(--text-light);
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Verify Notice Page */
.verify-notice {
    text-align: center;
}

.verify-notice > p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.verify-tips {
    text-align: left;
    background: var(--bg);
    padding: 25px;
    border-radius: var(--radius);
    margin: 30px 0;
}

.verify-tips h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text);
}

.verify-tips ul {
    margin-left: 20px;
    color: var(--text-light);
    list-style-type: disc;
}

.verify-tips li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.resend-form {
    margin: 30px 0;
}

.verify-note {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 25px 0;
    padding: 15px;
    background: #fef3c7;
    border-radius: var(--radius);
}

.auth-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 25px;
}

/* Account Page */
.account-page {
    max-width: 900px;
    margin: 0 auto;
}

.account-page > h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text);
}

.account-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 40px;
    padding: 32px;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    border-radius: 16px;
    color: white;
}

.account-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
    border: 3px solid rgba(255,255,255,0.3);
}

.account-header-info h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.account-header-email {
    opacity: 0.85;
    margin-bottom: 12px;
}

.account-header-meta {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.account-header-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.account-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
}

.account-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.account-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-white);
    border-radius: 10px;
    color: var(--text);
    font-weight: 500;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.account-nav-item:hover {
    background: var(--bg);
    text-decoration: none;
}

.account-nav-item.active {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
}

.account-nav-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.account-content {
    min-height: 400px;
}

.account-section {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.account-section h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border);
    color: var(--text);
}

.profile-info {
    margin-bottom: 24px;
}

.info-row {
    display: flex;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    width: 160px;
    flex-shrink: 0;
    color: var(--text);
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge-success {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-success::before {
    content: '✓';
    font-size: 0.7rem;
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.small-link {
    font-size: 0.85rem;
    margin-left: 8px;
    color: var(--primary);
    font-weight: 500;
}

.profile-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.profile-actions .btn {
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 500;
}

.profile-actions .btn-secondary {
    background: var(--bg);
    border: 2px solid var(--border);
}

.profile-actions .btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

/* Quick Stats Card */
.account-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.review-card-compact {
    padding: 20px;
    margin-bottom: 16px;
    background: var(--bg);
    border-radius: 12px;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.review-card-compact:hover {
    border-color: var(--border);
    background: var(--bg-white);
}

.review-course {
    margin-bottom: 10px;
}

.review-course a {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
}

.review-course a:hover {
    color: var(--primary);
}

.review-institution {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 4px;
}

.review-summary {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 10px;
}

.review-date {
    font-size: 0.85rem;
    color: var(--text-light);
}

.review-excerpt {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.empty-state-text {
    color: var(--text-light);
    margin-bottom: 15px;
}

.form-actions-inline {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    /* Header & Navigation */
    .site-header .container {
        flex-wrap: wrap;
    }

    .main-nav {
        gap: 10px;
    }

    .search-form {
        order: 3;
        width: 100%;
        margin-top: 15px;
    }

    .search-form input {
        width: 100%;
    }

    /* Hero */
    .hero {
        padding: 40px 20px;
    }

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

    .hero p {
        font-size: 1rem;
    }

    .hero-search {
        flex-direction: column;
    }

    /* Course Detail */
    .course-detail {
        padding: 20px;
    }

    .course-header {
        flex-direction: column;
        gap: 25px;
    }

    .course-identity h1 {
        font-size: 1.5rem;
    }

    .course-meta {
        flex-wrap: wrap;
        gap: 8px;
    }

    .rating-breakdown {
        width: 100%;
    }

    /* Reviews */
    .reviews-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .reviews-actions {
        width: 100%;
        justify-content: space-between;
    }

    .review-header {
        flex-direction: column;
        gap: 10px;
    }

    .review-meta {
        text-align: left;
    }

    .review-meta span {
        display: inline;
    }

    .review-meta span:not(:last-child)::after {
        content: ' • ';
    }

    .rating-badges {
        flex-wrap: wrap;
        gap: 6px;
    }

    .review-pros-cons {
        grid-template-columns: 1fr;
    }

    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Auth pages responsive */
    .auth-page {
        margin: 20px auto;
        padding: 32px 24px;
        border-radius: 12px;
    }

    .auth-page h1 {
        font-size: 1.5rem;
    }

    /* Account page responsive */
    .account-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .account-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .account-nav-item {
        flex: 1;
        min-width: 140px;
        justify-content: center;
        padding: 12px 14px;
    }

    .account-header {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .account-avatar {
        width: 64px;
        height: 64px;
        font-size: 1.5rem;
    }

    .account-header-meta {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .info-label {
        width: auto;
    }

    .profile-actions {
        flex-direction: column;
    }

    .profile-actions .btn {
        text-align: center;
    }

    /* Flag modal */
    .modal-content {
        width: 95%;
        margin: 10px;
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* Responsive - Mobile */
@media (max-width: 480px) {
    /* Header - Hamburger-free stacked layout */
    .site-header {
        padding: 10px 0;
    }

    .site-header .container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .logo {
        text-align: center;
        font-size: 1.3rem;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .search-form {
        order: 0;
        margin-top: 0;
    }

    .search-form input {
        padding: 12px 15px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .search-form button {
        padding: 12px 20px;
    }

    .btn {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .user-greeting {
        display: none; /* Hide greeting on very small screens */
    }

    /* Main content */
    .site-main {
        padding: 20px 0;
    }

    .container {
        padding: 0 15px;
    }

    /* Hero */
    .hero {
        padding: 30px 15px;
        margin-bottom: 25px;
        border-radius: 0;
        margin-left: -15px;
        margin-right: -15px;
    }

    .hero h1 {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .hero-search input {
        padding: 14px 16px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .hero-search button {
        padding: 14px 24px;
    }

    /* Course grid */
    .course-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .course-card {
        padding: 15px;
    }

    /* Course detail */
    .course-detail {
        padding: 15px;
        border-radius: 0;
        margin-left: -15px;
        margin-right: -15px;
    }

    .course-identity h1 {
        font-size: 1.3rem;
    }

    .course-meta span::after {
        content: '';
        margin-left: 0;
    }

    .course-meta {
        flex-direction: column;
        gap: 4px;
    }

    .rating-number {
        font-size: 2.5rem;
    }

    .overall-rating {
        margin-bottom: 15px;
    }

    /* Reviews */
    .review-card {
        padding: 15px;
    }

    .overall-stars {
        font-size: 1.1rem;
    }

    .badge {
        font-size: 0.75rem;
        padding: 2px 6px;
    }

    .review-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .vote-buttons {
        width: 100%;
        justify-content: flex-start;
    }

    .btn-flag {
        align-self: flex-start;
    }

    /* Auth pages */
    .auth-page {
        margin: 10px auto;
        padding: 24px 18px;
    }

    .auth-page h1 {
        font-size: 1.3rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px 12px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    /* Account page */
    .account-nav-item {
        min-width: 100px;
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .account-card {
        padding: 20px 15px;
    }

    /* Footer */
    .site-footer {
        padding: 15px 0;
        font-size: 0.85rem;
    }

    /* Flash messages */
    .flash {
        padding: 12px 15px;
        font-size: 0.9rem;
    }

    /* Modals */
    .modal-content {
        padding: 20px;
    }

    .modal-content h3 {
        font-size: 1.1rem;
    }
}

/* Featured Reviews on Homepage */
.featured-reviews {
    margin-bottom: 40px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.featured-review-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: box-shadow 0.2s, transform 0.2s;
    color: var(--text);
    display: block;
}

.featured-review-card:hover {
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    transform: translateY(-2px);
}

.featured-review-card .review-course {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.featured-review-card .course-code {
    font-weight: 600;
    color: var(--primary);
}

.featured-review-card .course-institution {
    font-size: 0.85rem;
    color: var(--text-light);
}

.featured-review-card .review-rating {
    margin-bottom: 12px;
}

.featured-review-card .review-excerpt {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 12px;
    font-style: italic;
}

.featured-review-card .review-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.featured-review-card .review-helpful {
    font-size: 0.8rem;
    color: var(--success);
    font-weight: 500;
}

/* Share Button Styles */
.share-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-share {
    padding: 5px 10px;
    font-size: 0.8rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-light);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-share:hover {
    background: var(--bg);
    color: var(--text);
}

.btn-share.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.social-share {
    display: flex;
    gap: 6px;
}

.social-share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: all 0.2s;
    text-decoration: none;
}

.social-share a.twitter {
    background: #1da1f2;
    color: white;
}

.social-share a.twitter:hover {
    background: #0d8bd9;
}

.social-share a.facebook {
    background: #1877f2;
    color: white;
}

.social-share a.facebook:hover {
    background: #0d65d9;
}

.social-share a.linkedin {
    background: #0a66c2;
    color: white;
}

.social-share a.linkedin:hover {
    background: #084d94;
}

/* Badge info color */
.badge-info {
    background: #0ea5e9;
    color: white;
}

@media (max-width: 480px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .share-buttons {
        flex-wrap: wrap;
    }
}

/* Privacy Policy */
.privacy-policy {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.privacy-policy h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--text);
}

.privacy-policy .last-updated {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.privacy-policy h2 {
    font-size: 1.4rem;
    margin-top: 35px;
    margin-bottom: 15px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.privacy-policy h3 {
    font-size: 1.1rem;
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--text);
}

.privacy-policy p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.privacy-policy ul {
    margin-bottom: 15px;
    padding-left: 25px;
}

.privacy-policy li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.privacy-policy strong {
    color: var(--text);
}

@media (max-width: 768px) {
    .privacy-policy {
        padding: 25px 20px;
    }

    .privacy-policy h1 {
        font-size: 1.6rem;
    }

    .privacy-policy h2 {
        font-size: 1.2rem;
    }
}