/* Modern Dark Theme for SquareBodyAI */
/* Color Palette */
:root {
    /* Backgrounds */
    --bg-primary: #0a0a0a;
    --bg-secondary: #0f0f0f;
    --bg-card: #1a1a1a;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #9ca3af;

    /* Accent */
    --accent-primary: #06b6d4;
    --accent-hover: #0891b2;

    /* Borders */
    --border-color: #1e3a5f;

    /* Category Colors */
    --cat-getting-started: #3b82f6;
    --cat-tutorials: #8b5cf6;
    --cat-api: #10b981;
    --cat-best-practices: #f59e0b;
    --cat-development: #06b6d4;

    /* Spacing (8px grid) */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;

    /* Sidebar */
    --sidebar-width: 240px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    background-color: var(--bg-primary);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 200ms ease;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Layout Structure */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 250ms ease;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    z-index: 1000;
    transition: transform 250ms ease;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: var(--space-sm);
}

.sidebar-logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--accent-primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.sidebar-logo-img {
    width: 32px;
    height: 32px;
    color: white;
}

.sidebar-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-search {
    margin-bottom: var(--space-lg);
}

.sidebar-search input {
    width: 100%;
    padding: var(--space-sm);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 200ms ease;
}

.sidebar-search input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

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

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    color: var(--text-secondary);
    transition: all 200ms ease;
    cursor: pointer;
}

.sidebar-nav-item:hover {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--text-primary);
    text-decoration: none;
}

.sidebar-nav-item.active {
    background-color: var(--accent-primary);
    color: #000000;
    font-weight: 500;
}

.sidebar-nav-icon {
    width: 20px;
    height: 20px;
}

.sidebar-settings {
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: var(--space-sm);
    left: var(--space-sm);
    z-index: 1001;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: var(--space-sm);
    cursor: pointer;
    color: var(--text-primary);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu-overlay.open {
        display: block;
    }
}

/* Hero Section */
.hero {
    position: relative;
    height: 500px;
    background-image: url('/static/images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    padding: var(--space-2xl) var(--space-xl);
    margin: calc(-1 * var(--space-lg));
    margin-bottom: var(--space-xl);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.3) 0%, rgba(10, 10, 10, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-2xl);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: calc(-1 * var(--space-2xl));
    position: relative;
    z-index: 2;
}

.stat-card {
    background: linear-gradient(to bottom, rgba(26, 26, 26, 0.9) 0%, rgba(18, 18, 18, 0.9) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-md);
    transition: all 200ms ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
}

.stat-card-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.stat-card-trend {
    font-size: 12px;
    color: #10b981;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        height: 300px;
        padding: var(--space-xl) var(--space-md);
        margin: 0;
        margin-bottom: var(--space-md);
    }

    .hero-content {
        padding: 60px var(--space-md) 0 var(--space-md);
    }

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

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
    }

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

/* Article Cards */
.article-card {
    background: linear-gradient(to bottom, rgba(26, 26, 26, 1) 0%, rgba(18, 18, 18, 1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-md);
    transition: all 200ms ease;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.article-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

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

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.getting-started {
    background-color: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.category-badge.tutorials {
    background-color: rgba(139, 92, 246, 0.2);
    color: #8b5cf6;
}

.category-badge.api {
    background-color: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.category-badge.best-practices {
    background-color: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.category-badge.development {
    background-color: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
}

/* Smart Search Badge */
.badge-smart-search {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(59, 130, 246, 0.2) 100%);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-smart-search i {
    font-size: 14px;
}

.article-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-description {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
}

.article-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.article-card-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

.article-card-author-name {
    font-size: 14px;
    color: var(--text-muted);
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: var(--text-muted);
}

.article-card-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Article Grid Layouts */
.articles-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .articles-grid-2col {
        grid-template-columns: 1fr;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 200ms ease;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    text-decoration: none;
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-secondary:hover {
    background-color: var(--accent-primary);
    color: white;
    text-decoration: none;
}

.btn-icon {
    padding: var(--space-sm);
    background-color: transparent;
    color: var(--text-muted);
}

.btn-icon:hover {
    color: var(--accent-primary);
    background-color: rgba(6, 182, 212, 0.1);
}

/* Form Inputs */
.form-input {
    width: 100%;
    padding: var(--space-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 200ms ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

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

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Search Bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
}

.search-bar input:focus {
    outline: none;
}

.search-bar-icon {
    color: var(--text-muted);
}

/* Filter Pills */
.filter-pills {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.filter-pill {
    padding: 8px 16px;
    border-radius: 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 200ms ease;
}

.filter-pill:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.filter-pill.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg);
}

@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-link {
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
    font-size: 14px;
}

.breadcrumb-link {
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Article Content */
.article-content {
    background: linear-gradient(to bottom, rgba(26, 26, 26, 1) 0%, rgba(18, 18, 18, 1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-xl);
    line-height: 1.8;
}

.article-content h2 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.article-content h3 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.article-content p {
    margin-bottom: var(--space-md);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

/* Nested list styling */
.article-content ul ul {
    list-style-type: circle;
    margin-top: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.article-content ul ul ul {
    list-style-type: square;
}

.article-content li {
    margin-bottom: var(--space-xs);
}

.article-content li > ul,
.article-content li > ol {
    margin-top: var(--space-xs);
}

.article-content code {
    background-color: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    color: var(--accent-primary);
}

.article-content pre {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: var(--space-md);
    overflow-x: auto;
    margin-bottom: var(--space-md);
}

.article-content pre code {
    background: none;
    padding: 0;
    color: var(--text-secondary);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: var(--space-md) 0;
}

.article-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: var(--space-md);
    margin: var(--space-md) 0;
    color: var(--text-muted);
    font-style: italic;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
}

.article-content th,
.article-content td {
    padding: var(--space-sm);
    border: 1px solid var(--border-color);
    text-align: left;
}

.article-content th {
    background-color: var(--bg-primary);
    font-weight: 600;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-xl);
}

.pagination-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 200ms ease;
}

.pagination-item:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.pagination-item.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Utility Classes */
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--text-primary); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-lg { margin-top: var(--space-lg); }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-sm { gap: var(--space-sm); }

/* Chat Drawer */
.chat-drawer {
    position: fixed;
    right: 0;
    top: 0;
    width: 450px;
    min-width: 350px;
    max-width: 90vw;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-drawer.resizing {
    transition: none;
}

.chat-resize-handle {
    position: absolute;
    left: 0;
    top: 0;
    width: 8px;
    height: 100%;
    cursor: ew-resize;
    background: transparent;
    z-index: 1002;
}

.chat-resize-handle:hover {
    background: var(--accent-primary);
}

.chat-resize-handle:active {
    background: var(--accent-primary);
}

.chat-drawer.open {
    transform: translateX(0);
}

.chat-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.chat-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.chat-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.chat-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-conversations {
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md);
    max-height: 200px;
    overflow-y: auto;
}

.chat-conversations-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.conversation-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.conversation-item {
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.conversation-item:hover {
    background: var(--bg-card);
    border-color: var(--accent-primary);
}

.conversation-item.active {
    border-color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.message {
    display: flex;
    gap: var(--space-sm);
    max-width: 85%;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--accent-primary);
    color: black;
}

.message.assistant .message-avatar {
    background: var(--bg-secondary);
    color: var(--accent-primary);
}

.message-content {
    background: linear-gradient(to bottom, rgba(26, 26, 26, 1) 0%, rgba(18, 18, 18, 1) 100%);
    padding: var(--space-sm) var(--space-md);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.message.user .message-content {
    background: var(--accent-primary);
    color: black;
    border: none;
}

/* Markdown styling in chat messages */
.message-content p {
    margin: 0 0 8px 0;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul,
.message-content ol {
    margin: 8px 0;
    padding-left: 24px;
}

.message-content li {
    margin: 4px 0;
}

.message-content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.message-content pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 8px 0;
}

.message-content pre code {
    background: none;
    padding: 0;
}

.message-content strong {
    font-weight: 600;
}

.message-content em {
    font-style: italic;
}

.message-content a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.message-content a:hover {
    color: #38bdf8;
}

.chat-usage {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

.chat-input-container {
    padding: var(--space-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-sm);
}

#chat-input {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: var(--space-sm);
    color: var(--text-primary);
    resize: none;
    font-family: inherit;
}

#chat-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#send-btn {
    align-self: flex-end;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .chat-drawer {
        width: 100% !important;
        max-width: 100vw !important;
        min-width: 100% !important;
        right: 0;
        left: 0;
        border-left: none;
    }

    .chat-resize-handle {
        display: none;
    }
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--space-sm);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        opacity: 0.3;
    }
    30% {
        opacity: 1;
    }
}