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

:root {
    --primary: #1B5E6B;
    --primary-light: #2E8B8B;
    --primary-dark: #134A55;
    --primary-glow: rgba(27, 94, 107, 0.2);

    --accent: #D4AF37;
    --accent-light: #E8C84C;
    --accent-glow: rgba(212, 175, 55, 0.25);

    --secondary: #4DB6AC;
    --secondary-light: #80CBC4;
    --secondary-dark: #2E8B8B;

    --bg-primary: #F5F9FC;
    --bg-secondary: #FFFFFF;
    --bg-card: #FAFCFD;
    --bg-elevated: #F0F5F8;

    --text-primary: #1A3A4A;
    --text-secondary: #4A6B7A;
    --text-muted: #7A9BAA;

    --border: rgba(27, 94, 107, 0.1);
    --border-hover: rgba(27, 94, 107, 0.3);

    --shadow: 0 2px 12px rgba(27, 94, 107, 0.08);
    --shadow-hover: 0 8px 30px rgba(27, 94, 107, 0.12);
    --shadow-accent: 0 4px 16px rgba(212, 175, 55, 0.2);

    --radius: 12px;
    --radius-lg: 20px;
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font);
    background: linear-gradient(135deg, #E8F6F8 0%, #F5F9FC 30%, #FDF8E8 70%, #F0F9F4 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(77, 182, 172, 0.3);
    color: var(--text-primary);
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--secondary-light);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--accent);
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 8px rgba(27, 94, 107, 0.06);
}

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

.nav-logo-img {
    height: 38px;
    width: auto;
}

.nav-logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-search {
    flex: 1;
    max-width: 400px;
    margin: 0 24px;
    position: relative;
}

.nav-search input {
    width: 100%;
    padding: 10px 44px 10px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 24px;
    font-size: 0.9rem;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-smooth);
}

.nav-search input::placeholder {
    color: var(--text-muted);
}

.nav-search input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: #FFFFFF;
}

.nav-search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border: none;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.nav-search-btn svg {
    stroke: #fff;
}

.nav-search-btn:hover {
    background: var(--primary-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-avatar-link {
    display: flex;
    align-items: center;
}
.nav-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
    transition: border-color 0.2s;
}
.nav-avatar:hover {
    border-color: var(--primary);
}

/* Buttons */
.btn {
    padding: 9px 22px;
    border: none;
    border-radius: 24px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #FFFFFF;
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-accent);
    color: #FFFFFF;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #1A1A1A;
    transform: translateY(-1px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #1A1A1A;
    font-weight: 600;
}

.btn-accent:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

/* Hero Section - keep dark style */
.hero {
    position: relative;
    padding: 80px 24px;
    text-align: center;
    background: linear-gradient(135deg, #0D1B2A 0%, #1B5E6B 50%, #0D1B2A 100%);
    overflow: hidden;
    border-bottom: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    animation: heroGlow 4s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-clock {
    font-size: 0.95rem;
    color: #A8B8C8;
    letter-spacing: 1px;
    margin-bottom: 10px;
    font-variant-numeric: tabular-nums;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: #F0F4F8;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #A8B8C8;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.hero-cta {
    padding: 12px 32px;
    font-size: 1rem;
}

@keyframes heroGlow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

/* Filter Bar */
.filter-bar {
    background: var(--bg-secondary);
    padding: 16px 24px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

.filter-bar select {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    outline: none;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-bar select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* Post Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* Post Card */
.post-card {
    background: linear-gradient(135deg, #FFFFFF 0%, #F5FAFA 50%, #FDF9F0 100%);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-smooth);
    cursor: pointer;
    animation: fadeInUp 0.5s ease forwards;
    box-shadow: var(--shadow);
}

.post-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
}

.post-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-elevated);
}

.post-card-body {
    padding: 16px;
}

.post-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.post-card-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(27, 94, 107, 0.08);
    color: var(--primary);
    border: 1px solid rgba(27, 94, 107, 0.15);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Auth Forms */
.auth-container {
    max-width: 420px;
    margin: 60px auto;
    padding: 40px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-smooth);
    font-family: var(--font);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: #FFFFFF;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.auth-container .btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
}

.auth-link {
    text-align: center;
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-link a {
    color: var(--primary);
}

.sms-input-group {
    display: flex;
    gap: 10px;
}

.sms-input-group input {
    flex: 1;
}

.sms-btn {
    white-space: nowrap;
    width: auto !important;
    padding: 10px 16px !important;
    font-size: 0.85rem !important;
}

.sms-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Image Upload */
.image-upload-area {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    background: var(--bg-secondary);
}

.image-upload-options {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
}

.upload-tab {
    padding: 6px 16px;
    font-size: 0.85rem;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.upload-tab:first-child {
    border-radius: 6px 0 0 6px;
}

.upload-tab:last-child {
    border-radius: 0 6px 6px 0;
    border-left: none;
}

.upload-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: var(--primary);
    color: #FFFFFF;
    font-weight: 600;
}

.image-upload-area input[type="file"] {
    width: 100%;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.image-preview {
    position: relative;
    margin-top: 12px;
    display: inline-block;
}

.image-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
    object-fit: cover;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.7);
    color: white;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.preview-remove:hover {
    background: #E53935;
}

/* Profile Page */
.profile-container {
    max-width: 800px;
    margin: 24px auto;
    padding: 0 24px;
}

.profile-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: linear-gradient(135deg, #E8F6F8, #D4EFE8, #FDF8E8);
}

.profile-avatar {
    position: relative;
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.profile-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    box-shadow: 0 0 16px rgba(27, 94, 107, 0.15);
}

.avatar-upload {
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #FFFFFF;
    padding: 2px 8px;
    border-radius: 10px;
    cursor: pointer;
    white-space: nowrap;
    font-weight: 600;
}

.avatar-upload:hover {
    transform: translateX(-50%) scale(1.05);
}

.profile-info h2 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.profile-signature {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.profile-details {
    padding: 24px 32px;
}

.profile-posts {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 24px;
}
.profile-logout {
    margin-top: 24px;
    text-align: center;
}
.btn-logout {
    width: 100%;
    max-width: 300px;
    color: #ef4444;
    border-color: #ef4444;
}
.btn-logout:hover {
    background: #ef4444;
    color: #fff;
}

.profile-posts h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.my-post-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

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

.my-post-info {
    flex: 1;
    cursor: pointer;
}

.my-post-info:hover h4 {
    color: var(--primary);
}

.my-post-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.my-post-meta {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn-delete {
    padding: 6px 14px;
    border: 1px solid #E53935;
    background: none;
    color: #E53935;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-delete:hover {
    background: #E53935;
    color: #FFFFFF;
}

.btn-edit {
    padding: 6px 14px;
    border: 1px solid var(--secondary-light);
    background: none;
    color: var(--secondary-light);
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-edit:hover {
    background: var(--secondary);
    color: #FFFFFF;
}

/* Post Detail */
.post-detail {
    max-width: 800px;
    margin: 24px auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.post-detail-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.post-detail-body {
    padding: 32px;
}

.post-detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.post-detail-info {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.post-detail-content {
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 24px;
    white-space: pre-wrap;
    color: var(--text-secondary);
}

.post-actions {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    align-items: center;
}

.like-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all var(--transition-smooth);
}

.like-btn:hover,
.like-btn.liked {
    border-color: #FF6B8A;
    color: #FF6B8A;
    background: rgba(255, 107, 138, 0.1);
}

.favorite-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all var(--transition-smooth);
}

.favorite-btn:hover,
.favorite-btn.favorited {
    border-color: #F5A623;
    color: #F5A623;
    background: rgba(245, 166, 35, 0.1);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all var(--transition-smooth);
}

.share-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
    background: var(--primary-glow);
}

/* Comments */
.comments-section {
    max-width: 800px;
    margin: 24px auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 24px;
}

.comments-section h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.comment-form {
    margin-bottom: 24px;
}

.comment-input-row {
    display: flex;
    gap: 12px;
}

.comment-reply-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    margin-bottom: 8px;
    background: var(--bg-elevated);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--primary);
}

.comment-reply-hint button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.comment-form input {
    flex: 1;
    padding: 10px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 24px;
    outline: none;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all var(--transition-smooth);
}

.comment-form input::placeholder {
    color: var(--text-muted);
}

.comment-form input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: #FFFFFF;
}

.comment-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.comment-author {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary);
}

.comment-time {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: 8px;
}

.comment-text {
    margin-top: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.comment-reply-tag {
    font-size: 0.8rem;
    color: var(--primary-light);
    background: var(--primary-glow);
    padding: 2px 8px;
    border-radius: 4px;
}

.comment-reply-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 4px 0;
    transition: color 0.2s;
}

.comment-reply-btn:hover {
    color: var(--primary);
}

/* Create Post */
.create-container {
    max-width: 700px;
    margin: 24px auto;
    padding: 40px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.create-container h2 {
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Footer */
.search-page {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 24px;
}

.search-header {
    margin-bottom: 24px;
}

.search-header h2 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.search-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.search-filters select {
    padding: 8px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.search-filters select:focus {
    outline: none;
    border-color: var(--primary-light);
}

.search-results .post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

@media (max-width: 768px) {
    .search-page {
        padding: 0 16px;
    }
    .search-filters {
        gap: 8px;
    }
    .search-filters select {
        flex: 1;
        min-width: 0;
        font-size: 0.85rem;
        padding: 6px 10px;
    }
}

.footer {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 48px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary), var(--primary), transparent);
}

/* Toast */
.toast {
    position: fixed;
    top: 84px;
    right: 24px;
    padding: 14px 24px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow);
}

.toast.success {
    border-left: 4px solid var(--primary);
}

.toast.error {
    border-left: 4px solid #E53935;
}

@keyframes slideIn {
    from { transform: translateX(100%) scale(0.95); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}

.empty-state p {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

/* User Info in Nav */
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.user-info:hover {
    color: var(--primary);
}

/* Image Carousel */
.image-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--bg-secondary);
}

.carousel-track {
    display: flex;
    transition: transform 0.3s ease;
}

.carousel-slide {
    min-width: 100%;
    max-height: 400px;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.carousel-btn:hover {
    background: rgba(0,0,0,0.8);
    border-color: var(--primary);
}

.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }

.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent-glow);
}

.ad-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 160px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--secondary) 100%);
    text-decoration: none;
    color: #fff;
    border-radius: var(--radius);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.ad-banner:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(27, 94, 107, 0.3);
}

.ad-banner-content {
    text-align: center;
    padding: 24px;
}

.ad-banner-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.ad-banner-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* Multi-image preview list */
.image-preview-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.image-preview-list .image-preview {
    position: relative;
    display: inline-block;
}

.image-preview-list .image-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* Edit Modal */
.edit-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.edit-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
}

.edit-modal-content h3 {
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Photo Wall */
.photo-wall {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 40px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.checkin-panel,
.activity-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 220px;
    padding: 24px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
}

.checkin-panel h3,
.activity-panel h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.checkin-streak {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.checkin-btn {
    width: 100%;
    padding: 10px 0;
    font-size: 1rem;
}

.checkin-btn.disabled {
    background: var(--bg-elevated);
    color: var(--text-muted);
    cursor: not-allowed;
}

.checkin-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.checkin-draws {
    font-size: 0.85rem;
    color: var(--primary);
    margin-top: 6px;
    font-weight: 500;
}

.activity-link {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
}

.activity-card {
    padding: 12px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #E8F6F8, #FDF8E8);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.activity-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.activity-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.activity-arrow {
    display: inline-block;
    margin-top: 8px;
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: bold;
}

.carousel-ad {
    position: relative;
    width: 420px;
    height: 280px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    flex-shrink: 0;
}

.carousel-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.ad-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E8F6F8 0%, #FDF8E8 100%);
    border: 2px dashed var(--border-hover);
}

.ad-text {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.ad-contact {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(27, 94, 107, 0.3);
    cursor: pointer;
    transition: background 0.3s;
}

.carousel-dot.active {
    background: var(--primary);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.8);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.carousel-btn:hover {
    background: #fff;
}

.carousel-prev { left: 8px; }
.carousel-next { right: 8px; }

.photo-frame {
    background: #FFFFFF;
    padding: 6px 6px 24px 6px;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), 0 1px 4px rgba(0, 0, 0, 0.06);
    transform: rotate(var(--rotate, 0deg));
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: photoFadeIn 0.6s ease calc(var(--delay, 0s)) both;
    position: relative;
}

.photo-frame:hover {
    transform: rotate(0deg) scale(1.08);
    box-shadow: 0 12px 32px rgba(27, 94, 107, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 2;
}

.photo-frame img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    display: block;
    border-radius: 2px;
}

.frame-label {
    display: block;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 6px;
    font-family: "KaiTi", "STKaiti", serif;
    letter-spacing: 1px;
}

@keyframes photoFadeIn {
    from { opacity: 0; transform: rotate(var(--rotate, 0deg)) translateY(20px) scale(0.9); }
    to { opacity: 1; transform: rotate(var(--rotate, 0deg)) translateY(0) scale(1); }
}

/* Main Layout - Sidebar + Content */
.main-layout {
    display: flex;
    min-height: calc(100vh - 70px);
}

.sidebar {
    width: 200px;
    background: linear-gradient(180deg, #F0F9F4 0%, #E8F6F8 100%);
    border-right: 1px solid var(--border);
    padding: 20px 12px;
    flex-shrink: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: sticky;
    top: 90px;
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
    font-family: var(--font);
    font-weight: 500;
    text-decoration: none;
}

.sidebar-btn:hover {
    background: rgba(27, 94, 107, 0.08);
    color: var(--primary);
}

.sidebar-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(27, 94, 107, 0.25);
}

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

.sidebar-overlay {
    display: none;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: fixed;
    top: 14px;
    right: 16px;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
    transition: all var(--transition-smooth);
}

/* Main Content */
.main-content {
    flex: 1;
    min-width: 0;
}

/* Map Styles */
.map-header {
    text-align: center;
    padding: 24px;
}

.map-header h2 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.map-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.map-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px 40px;
    position: relative;
}

.china-map-svg {
    width: 100%;
    height: auto;
}

.province-path {
    stroke: #FFFFFF;
    stroke-width: 1.5;
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.step-1-province {
    stroke: rgba(255, 255, 255, 0.95);
    stroke-width: 2.2;
}

.step-2-province {
    stroke: rgba(255, 255, 255, 0.85);
    stroke-width: 1.8;
}

.step-3-province {
    stroke: rgba(255, 255, 255, 0.7);
    stroke-width: 1.2;
}

.province-path:hover {
    filter: brightness(1.15) drop-shadow(0 3px 6px rgba(27, 94, 107, 0.35));
    stroke: var(--primary);
    stroke-width: 2.5;
    transform-origin: center;
}

.province-path.active {
    filter: brightness(0.9) drop-shadow(0 4px 8px rgba(27, 94, 107, 0.4));
    stroke: var(--primary-dark);
    stroke-width: 3;
}

.river {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.river-yellow {
    stroke: url(#yellowRiverGradient);
    stroke-width: 2.5;
    filter: url(#riverGlow);
    opacity: 0.92;
}

.river-yangtze {
    stroke: url(#yangtzeRiverGradient);
    stroke-width: 2.8;
    filter: url(#riverGlow);
    opacity: 0.92;
}

.river-yellow-bg {
    fill: none;
    stroke: rgba(241, 196, 15, 0.1);
    stroke-width: 9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.river-yangtze-bg {
    fill: none;
    stroke: rgba(52, 152, 219, 0.1);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.capital-star {
    filter: url(#starGlow);
    animation: starBreathe 2.5s ease-in-out infinite;
}

@keyframes starBreathe {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.85; }
}

.map-tooltip {
    display: none;
    position: absolute;
    background: rgba(26, 58, 74, 0.9);
    color: #FFFFFF;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    pointer-events: none;
    z-index: 10;
    white-space: nowrap;
    backdrop-filter: blur(4px);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
        height: 60px;
    }

    .nav-search {
        display: none;
    }

    .nav-actions {
        margin-right: 44px;
    }

    .nav-logo-img {
        height: 30px;
    }

    .nav-logo-text {
        font-size: 1.1rem;
    }

    .container {
        padding: 16px;
    }

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

    .filter-bar {
        padding: 12px 16px;
    }

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

    .auth-container,
    .create-container {
        margin: 16px;
        padding: 24px;
    }

    .post-detail-body {
        padding: 20px;
    }

    .post-detail-title {
        font-size: 1.4rem;
    }

    .hero {
        padding: 50px 20px;
    }

    .hero-title {
        font-size: 1.8rem;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }

    .sidebar {
        position: fixed;
        left: -220px;
        top: 60px;
        height: calc(100vh - 60px);
        z-index: 150;
        transition: left var(--transition-smooth);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 140;
    }

    .sidebar-overlay.open {
        display: block;
    }

    .main-layout {
        flex-direction: column;
    }

    .main-content {
        margin-left: 0;
    }

    .photo-wall {
        flex-direction: column;
        gap: 16px;
        padding: 24px 16px;
    }

    .checkin-panel,
    .activity-panel {
        width: 100%;
    }

    .carousel-ad {
        width: 100%;
        height: 180px;
        order: -1;
    }

    .photo-frame {
        padding: 5px 5px 20px 5px;
    }

    .photo-frame img {
        width: 70px;
        height: 70px;
    }

    .frame-label {
        font-size: 0.6rem;
    }
}

/* === Badge (unread count) === */
.badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    padding: 0 5px;
}

/* === Friends Page === */
.friends-page {
    max-width: 700px;
    margin: 80px auto 40px;
    padding: 0 20px;
}
.friends-search {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
}
.friends-search h3,
.friends-list-section h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}
.search-input-group {
    display: flex;
    gap: 10px;
}
.search-input-group input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}
.search-input-group input:focus {
    border-color: var(--primary);
}
.search-results-list {
    margin-top: 12px;
}
.no-result {
    color: var(--text-muted);
    text-align: center;
    padding: 12px;
}
.friend-card {
    display: flex;
    align-items: center;
    padding: 12px;
    border-radius: 10px;
    transition: background 0.2s;
}
.friend-card:hover {
    background: var(--bg-elevated);
}
.friend-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 12px;
    flex-shrink: 0;
}
.friend-info {
    flex: 1;
    min-width: 0;
}
.friend-name {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
}
.friend-username {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
}
.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}
.friends-list-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border);
}

/* === Chat Page === */
.chat-page {
    display: flex;
    height: calc(100vh - 60px);
    margin-top: 60px;
    overflow: hidden;
    position: relative;
}
.chat-sidebar {
    width: 320px;
    border-right: 1px solid var(--border);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    height: 100%;
}
.chat-sidebar-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.chat-sidebar-header h3 {
    color: var(--text-primary);
}
.chat-list {
    flex: 1;
    overflow-y: auto;
}
.chat-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}
.chat-item:hover, .chat-item.active {
    background: var(--bg-elevated);
}
.chat-item-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 12px;
    flex-shrink: 0;
    background: var(--bg-elevated);
}
.chat-item-info {
    flex: 1;
    min-width: 0;
}
.chat-item-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-item-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}
.chat-item-time {
    font-size: 11px;
    color: var(--text-muted);
}
.chat-item-preview {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}
.chat-item .badge {
    position: static;
    margin-left: 8px;
    flex-shrink: 0;
}
.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    height: 100%;
    min-width: 0;
}
.chat-window-placeholder {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.chat-window-active {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}
.chat-window-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.chat-back-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
}
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.chat-load-more {
    text-align: center;
    padding: 8px;
}
.chat-load-more button {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 6px 16px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    transition: background 0.2s;
}
.chat-load-more button:hover {
    background: var(--border);
}
.chat-time-divider {
    text-align: center;
    padding: 8px 0;
    font-size: 12px;
    color: var(--text-muted);
}
.chat-msg {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    max-width: 75%;
    margin-bottom: 4px;
}
.chat-msg.mine {
    flex-direction: row-reverse;
    align-self: flex-end;
}
.chat-msg.theirs {
    align-self: flex-start;
}
.chat-msg-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-elevated);
}
.chat-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}
.chat-msg.mine .chat-bubble {
    background: var(--primary);
    color: #fff;
    border-top-right-radius: 4px;
}
.chat-msg.theirs .chat-bubble {
    background: #fff;
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-top-left-radius: 4px;
}
.chat-bubble img.chat-img {
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    cursor: pointer;
    display: block;
}

/* Chat input area */
.chat-input-area {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    flex-shrink: 0;
}
.chat-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px 0;
}
.chat-tool-btn {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    transition: background 0.2s;
    color: var(--text-muted);
}
.chat-tool-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}
.chat-tool-btn.active {
    color: var(--primary);
    background: rgba(27, 94, 107, 0.08);
}
.chat-input-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 8px 16px 14px;
}
.chat-input-row textarea {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    resize: none;
    max-height: 100px;
    min-height: 38px;
    line-height: 1.4;
    font-family: inherit;
}
.chat-input-row textarea:focus {
    border-color: var(--primary);
}
.chat-send-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 9px 16px;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
}
.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Emoji panel */
.emoji-panel {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    max-height: 280px;
    display: none;
    flex-direction: column;
}
.emoji-panel.open {
    display: flex;
}
.emoji-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding: 0 12px;
    overflow-x: auto;
}
.emoji-tab {
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    color: var(--text-muted);
    transition: color 0.2s;
}
.emoji-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    padding: 12px;
    overflow-y: auto;
    flex: 1;
}
.emoji-item {
    font-size: 24px;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    text-align: center;
    transition: background 0.2s;
}
.emoji-item:hover {
    background: var(--bg-elevated);
}

/* Image preview lightbox */
.chat-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
}
.chat-lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
}

/* === Inbox Page === */
.inbox-page {
    max-width: 700px;
    margin: 80px auto 40px;
    padding: 0 20px;
}
.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.inbox-header h2 {
    color: var(--text-primary);
}
.inbox-list {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}
.inbox-item {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 14px;
}
.inbox-item:last-child {
    border-bottom: none;
}
.inbox-item.unread {
    background: rgba(27, 94, 107, 0.04);
}
.inbox-item-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: 50%;
}
.inbox-item-content {
    flex: 1;
    min-width: 0;
}
.inbox-item-content p {
    color: var(--text-primary);
    font-size: 14px;
}
.inbox-item-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    display: block;
}
.inbox-item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}
.inbox-item-done {
    font-size: 13px;
    color: var(--text-muted);
}

/* === Chat Mobile Responsive === */
@media (max-width: 768px) {
    .chat-page {
        position: relative;
    }
    .chat-sidebar {
        width: 100%;
        position: absolute;
        inset: 0;
        z-index: 10;
        transform: translateX(0);
        transition: transform 0.3s ease;
    }
    .chat-window {
        position: absolute;
        inset: 0;
        z-index: 5;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    .chat-page.chat-open .chat-sidebar {
        transform: translateX(-100%);
    }
    .chat-page.chat-open .chat-window {
        transform: translateX(0);
    }
    .chat-back-btn {
        display: block;
    }
    .chat-msg {
        max-width: 85%;
    }
    .emoji-grid {
        grid-template-columns: repeat(7, 1fr);
    }
    .friends-page {
        margin-top: 70px;
        padding: 0 12px;
    }
    .inbox-page {
        margin-top: 70px;
        padding: 0 12px;
    }
}

/* Card Draw Modal */
.card-draw-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.card-draw-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    max-width: 360px;
    width: 90%;
}

.flip-card {
    width: 180px;
    height: 240px;
    perspective: 1000px;
    margin: 0 auto 20px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.flip-card-inner.flipped {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.flip-card-front {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 4rem;
    font-weight: bold;
    box-shadow: var(--shadow-hover);
}

.flip-card-back {
    background: linear-gradient(135deg, #FDF8E8, #E8F6F8);
    transform: rotateY(180deg);
    border: 2px solid var(--accent);
    box-shadow: var(--shadow-accent);
}

.drawn-city {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.drawn-province {
    font-size: 1rem;
    color: var(--text-secondary);
}

.draw-result-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Activity Page */
.activity-page {
    max-width: 900px;
    margin: 100px auto 40px;
    padding: 0 20px;
}

.activity-header {
    text-align: center;
    margin-bottom: 24px;
}

.activity-header h1 {
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.activity-header p {
    color: var(--text-secondary);
    margin-top: 4px;
}

.activity-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.stat-item {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 16px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    min-width: 100px;
}

.stat-num {
    display: block;
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.activity-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.badges-section {
    margin-bottom: 32px;
}

.badges-section h2,
.collection-section h2 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.badges-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.badge-item {
    background: linear-gradient(135deg, #FDF8E8, #E8F6F8);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge-icon {
    font-size: 1.4rem;
}

.badge-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.province-group {
    margin-bottom: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}

.province-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.province-name {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 60px;
}

.province-progress {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-elevated);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
    transition: width 0.3s;
}

.city-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.city-card {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    position: relative;
}

.city-card.collected {
    background: linear-gradient(135deg, #E8F6F8, #D4EFE8);
    color: var(--primary-dark);
    border: 1px solid var(--primary-light);
}

.city-card.duplicate {
    border-color: var(--accent);
}

.city-card.locked {
    background: var(--bg-elevated);
    color: var(--text-muted);
    border: 1px dashed var(--border);
}

.card-count {
    font-size: 0.75rem;
    color: var(--accent);
    margin-left: 4px;
    font-weight: bold;
}

.decompose-btn {
    font-size: 0.7rem;
    background: none;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 4px;
    padding: 1px 6px;
    margin-left: 4px;
    cursor: pointer;
}

.decompose-btn:hover {
    background: var(--accent);
    color: #fff;
}

/* Block Editor */
.content-block-editor {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    background: var(--bg-card);
}

.content-block {
    margin-bottom: 12px;
}

.content-block textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    resize: vertical;
    font-family: inherit;
    background: var(--bg-secondary);
}

.content-block textarea:focus {
    outline: none;
    border-color: var(--primary-light);
}

.insert-image-btn {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 12px;
    font-size: 0.85rem;
    color: var(--primary);
    background: none;
    border: 1px dashed var(--primary-light);
    border-radius: 4px;
    cursor: pointer;
}

.insert-image-btn:hover {
    background: var(--primary-glow);
}

.block-image-upload {
    margin: 8px 0;
}

.block-image-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    margin-top: 8px;
}

.block-remove-btn {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 10px;
    font-size: 0.8rem;
    color: #e74c3c;
    background: none;
    border: 1px solid #e74c3c;
    border-radius: 4px;
    cursor: pointer;
}

.block-remove-btn:hover {
    background: #e74c3c;
    color: #fff;
}

/* Post content images */
.post-content-image {
    max-width: 100%;
    border-radius: 8px;
    margin: 12px 0;
}

.post-detail-content p {
    margin-bottom: 12px;
    line-height: 1.8;
    white-space: pre-wrap;
}

/* Comment image */
.comment-image-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    background: var(--bg-elevated);
    flex-shrink: 0;
}

.comment-image-btn:hover {
    background: var(--primary-glow);
}

.comment-image-preview {
    position: relative;
    display: inline-block;
    margin-top: 8px;
}

.comment-image-preview img {
    max-width: 120px;
    max-height: 80px;
    border-radius: 6px;
    object-fit: cover;
}

.comment-image-preview button {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: #e74c3c;
    color: #fff;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comment-image {
    max-width: 200px;
    max-height: 150px;
    border-radius: 6px;
    margin-top: 6px;
    cursor: pointer;
}

/* === Pagination === */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled):not(.active) {
    border-color: var(--primary-light);
    color: var(--primary);
    background: var(--primary-glow);
}

.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    font-weight: 600;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-ellipsis {
    color: var(--text-muted);
    padding: 0 4px;
}

/* === Planner === */
.planner-container {
    max-width: 720px;
    margin: 100px auto 40px;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.planner-container h2 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.planner-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.planner-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.step-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

.step-indicator span {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
}

.step-indicator.active {
    color: var(--primary);
    font-weight: 600;
}

.step-indicator.active span {
    background: var(--primary);
    color: #fff;
}

.planner-step {
    display: none;
}

.planner-step.active {
    display: block;
}

.planner-next {
    width: 100%;
    margin-top: 20px;
}

.planner-btns {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.planner-btns .btn {
    flex: 1;
}

.mode-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

.mode-card {
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-card:hover {
    border-color: var(--primary-light);
    background: var(--bg-elevated);
}

.mode-card.selected {
    border-color: var(--primary);
    background: var(--primary-glow);
}

.mode-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.mode-card h4 {
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 14px;
}

.mode-card p {
    color: var(--text-muted);
    font-size: 12px;
}

.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.interest-tag {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.interest-tag:hover {
    border-color: var(--primary-light);
}

.interest-tag.selected {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.planner-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 60px 0;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.planner-result {
    margin-top: 20px;
}

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

.result-header h3 {
    color: var(--text-primary);
    font-size: 20px;
}

.result-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.result-section h4 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 16px;
}

.result-section p {
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-size: 14px;
    line-height: 1.6;
}

.result-section ul {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.result-section li {
    margin-bottom: 4px;
}

.budget-grid {
    display: grid;
    gap: 10px;
}

.budget-item {
    display: grid;
    grid-template-columns: 80px 80px 1fr;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.budget-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.budget-amount {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.budget-detail {
    color: var(--text-muted);
    font-size: 13px;
}

.schedule-day {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.schedule-day:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.schedule-day h5 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 15px;
}

.schedule-item {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
}

.schedule-period {
    min-width: 40px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    padding-top: 2px;
}

.schedule-content {
    flex: 1;
}

.schedule-activity {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 2px;
}

.schedule-detail {
    color: var(--text-secondary);
    font-size: 13px;
}

.schedule-cost {
    color: var(--primary);
    font-size: 12px;
    margin-top: 2px;
}

.food-list {
    display: grid;
    gap: 10px;
}

.food-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.food-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.food-type {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-elevated);
    padding: 2px 8px;
    border-radius: 10px;
}

.food-price {
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
}

.food-reason {
    grid-column: 1 / -1;
    color: var(--text-muted);
    font-size: 12px;
}

.result-error {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.result-error .btn {
    margin-top: 16px;
}

@media (max-width: 768px) {
    .planner-container {
        margin: 80px 12px 20px;
        padding: 20px;
    }
    .mode-cards {
        grid-template-columns: 1fr;
    }
    .budget-item {
        grid-template-columns: 1fr 1fr;
    }
    .budget-detail {
        grid-column: 1 / -1;
    }
    .food-item {
        grid-template-columns: 1fr;
    }
}