/* ============================================
   Story Development Toolkit - English Styles
   Bootstrap + Dark Theme
   Author: Milad Rezanezhad
   GitHub: https://github.com/miladrezanezhad
   ============================================ */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #1c2128;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --yellow: #d2991d;
    --orange: #f0883e;
    --purple: #a371f7;
    --pink: #db61a2;
    --red: #f85149;
    --code-bg: #1a1a2e;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --code-function: #d2a8ff;
    --code-comment: #8b949e;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
}

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

body {
    font-family: var(--font);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
}

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

/* ============================================
   Navbar
   ============================================ */
.navbar {
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}
.navbar-brand {
    font-weight: 700;
    color: var(--text-primary) !important;
}
.nav-link {
    color: var(--text-secondary) !important;
    transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
    color: var(--accent) !important;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    background: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(88, 166, 255, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(163, 113, 247, 0.04) 0%, transparent 50%);
    animation: heroGlow 10s ease-in-out infinite;
}
@keyframes heroGlow {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}
.hero-logo {
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
    position: relative;
    z-index: 1;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.hero-title {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #58a6ff, #a371f7, #db61a2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    line-height: 1.3;
}
.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    position: relative;
    z-index: 1;
}

/* ============================================
   Language Selection Page (docs/index.html)
   ============================================ */
.lang-select-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
    position: relative;
    overflow: hidden;
}
.lang-select-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(88, 166, 255, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(163, 113, 247, 0.04) 0%, transparent 50%);
    animation: heroGlow 10s ease-in-out infinite;
}
.lang-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: block;
    height: 100%;
}
.lang-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #58a6ff, #a371f7, #db61a2);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.lang-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border-color: var(--accent);
    text-decoration: none;
    color: var(--text-primary);
}
.lang-card:hover::before {
    opacity: 1;
}
.lang-flag {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    display: block;
    animation: float 3s ease-in-out infinite;
}
.lang-card:hover .lang-flag {
    animation: bounce 0.6s ease;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    40% { transform: translateY(-15px); }
    60% { transform: translateY(-5px); }
}
.lang-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}
.lang-native {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
.lang-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.lang-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 1rem;
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
    border: 1px solid rgba(88, 166, 255, 0.2);
}
.version-badge {
    display: inline-block;
    background: rgba(63, 185, 80, 0.2);
    color: var(--green);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 8px;
}
.logo-section {
    position: relative;
    z-index: 1;
    margin-bottom: 3rem;
}
.logo-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}
.logo-title {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #58a6ff, #a371f7, #db61a2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}
.divider-text {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 1.5rem 0;
}
.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
.llm-badge {
    display: inline-block;
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-right: 8px;
}
.footer-note {
    color: var(--text-muted);
    font-size: 0.8rem;
}
.footer-note a {
    color: var(--accent);
    text-decoration: none;
}
.footer-note a:hover {
    text-decoration: underline;
}

/* ============================================
   Badges
   ============================================ */
.badge-custom {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border);
}
.badge-python { background: rgba(88, 166, 255, 0.1); color: var(--accent); }
.badge-version { background: rgba(63, 185, 80, 0.1); color: var(--green); }
.badge-license { background: rgba(210, 153, 29, 0.1); color: var(--yellow); }
.badge-author { background: rgba(163, 113, 247, 0.1); color: var(--purple); }

/* ============================================
   Buttons
   ============================================ */
.btn-primary-custom {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}
.btn-primary-custom:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(88, 166, 255, 0.3);
}
.btn-outline-custom {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}
.btn-outline-custom:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

/* ============================================
   Section Titles
   ============================================ */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
}

/* ============================================
   Feature Cards
   ============================================ */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    height: 100%;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #58a6ff, #a371f7, #db61a2);
    opacity: 0;
    transition: var(--transition);
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--text-muted);
}
.feature-card:hover::before { opacity: 1; }
.feature-card .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}
.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   Code Blocks
   ============================================ */
.code-block-wrapper {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
    position: relative;
}
.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}
.code-block-header .lang-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.code-block-header .copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}
.code-block-header .copy-btn:hover {
    background: var(--bg-primary);
    color: var(--accent);
    border-color: var(--accent);
}
.code-block-header .copy-btn.copied {
    color: var(--green);
    border-color: var(--green);
}
.code-block-body {
    padding: 20px;
    overflow-x: auto;
}
.code-block-body pre {
    margin: 0;
}
.code-block-body code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-primary);
}
.kw { color: var(--code-keyword); }
.str { color: var(--code-string); }
.fn { color: var(--code-function); }
.cm { color: var(--code-comment); }

/* ============================================
   Output Block
   ============================================ */
.output-block {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--green);
    margin-top: 1rem;
}

/* ============================================
   Stats
   ============================================ */
.stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1rem;
    text-align: center;
    transition: var(--transition);
}
.stat-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--accent);
}
.stat-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #58a6ff, #a371f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ============================================
   Doc Cards
   ============================================ */
.doc-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
    display: block;
    height: 100%;
    color: var(--text-primary);
}
.doc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--accent);
    color: var(--text-primary);
}
.doc-card .doc-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.doc-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.doc-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.8; }
.doc-card .lang-tag {
    display: inline-block;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 0.75rem;
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
}

/* ============================================
   Dark Sections
   ============================================ */
.bg-dark-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* ============================================
   Notes
   ============================================ */
.note {
    border-left: 3px solid var(--accent);
    background-color: rgba(88, 166, 255, 0.05);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 1.5rem;
}

/* ============================================
   Sidebar (API Documentation)
   ============================================ */
.sidebar-custom {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    position: sticky;
    top: 76px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}
.sidebar-custom h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.sidebar-custom h5 i {
    color: var(--accent);
}
.nav-link-sidebar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-secondary) !important;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 2px;
}
.nav-link-sidebar i {
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
    color: var(--text-muted);
    transition: color 0.2s ease;
}
.nav-link-sidebar:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary) !important;
}
.nav-link-sidebar:hover i {
    color: var(--accent);
}
.nav-link-sidebar.active {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent) !important;
    border-left: 2px solid var(--accent);
}
.nav-link-sidebar.active i {
    color: var(--accent);
}
.sidebar-custom::-webkit-scrollbar { width: 4px; }
.sidebar-custom::-webkit-scrollbar-track { background: transparent; }
.sidebar-custom::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.sidebar-custom::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   Tables
   ============================================ */
.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-striped-bg: var(--bg-tertiary);
    --bs-table-hover-bg: rgba(88, 166, 255, 0.05);
}
.table td:first-child {
    color: var(--pink);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ============================================
   API Method Cards
   ============================================ */
.api-method {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    background: var(--bg-card);
}
.api-method h5 {
    color: var(--accent);
    font-family: var(--font-mono);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}
.footer a { color: var(--accent); }
.footer a:hover { color: var(--accent-hover); }

/* ============================================
   Toast Notifications
   ============================================ */
.toast-copy {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--green);
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    z-index: 9999;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}
.toast-copy.show {
    opacity: 1;
    transform: translateY(0);
}
.toast-copy.error {
    background: var(--red);
}

/* ============================================
   Scrollbar (Global)
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 991px) {
    .sidebar-custom { display: none; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2rem; }
    .hero-logo { font-size: 3rem; }
    .section-title { font-size: 1.5rem; }
    .lang-card { padding: 2rem 1rem; }
    .lang-name { font-size: 1.3rem; }
    .lang-flag { font-size: 3rem; }
}