/* AI Cloud Lab — Terminal Theme */
/* Тёмный фон + неоново-зелёный акцент */

:root {
    --bg-primary: #0a0e0a;
    --bg-card: #0f140f;
    --bg-nav: rgba(10, 14, 10, 0.97);
    --border: rgba(0, 255, 136, 0.15);
    --border-hover: rgba(0, 255, 136, 0.35);
    --neon: #00ff88;
    --neon-dim: #00cc66;
    --neon-glow: rgba(0, 255, 136, 0.12);
    --text-primary: #e8f4e8;
    --text-secondary: #7aab7a;
    --text-muted: #4a7a4a;
    --danger: #ff4466;
    --info: #44ccff;
    --warning: #ffaa44;
}

* {
    scrollbar-color: var(--neon-dim) var(--bg-primary);
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

main {
    flex: 1;
}

::selection {
    background: var(--neon);
    color: var(--bg-primary);
}

/* Navbar */
.navbar {
    border-bottom: 1px solid var(--border);
    background: var(--bg-nav) !important;
    backdrop-filter: blur(12px);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--neon) !important;
    text-shadow: 0 0 20px var(--neon-glow);
}

.navbar .nav-link {
    color: var(--text-secondary) !important;
    transition: color 0.2s, text-shadow 0.2s;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--neon) !important;
    text-shadow: 0 0 10px var(--neon-glow);
}

.navbar .btn-outline-success {
    border-color: var(--neon);
    color: var(--neon);
}

.navbar .btn-outline-success:hover {
    background: var(--neon);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--neon-glow);
}

/* Hero */
.hero-section {
    min-height: 65vh;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 255, 136, 0.04) 0%, transparent 70%),
        linear-gradient(180deg, var(--bg-primary) 0%, #050805 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Сканирующая линия */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon), transparent);
    animation: scanLine 4s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes scanLine {
    0%, 100% { top: 0; opacity: 0.3; }
    50% { top: 100%; opacity: 0.8; }
}

.hero-section h1 {
    font-weight: 800;
    letter-spacing: -1.5px;
    text-shadow: 0 0 40px var(--neon-glow);
}

.hero-section h1 .text-success {
    color: var(--neon) !important;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.4);
}

.hero-section .lead {
    color: var(--text-secondary) !important;
    font-size: 1.25rem;
}

.hero-section .btn-primary {
    background: var(--neon);
    border: none;
    color: var(--bg-primary);
    font-weight: 600;
    box-shadow: 0 0 20px var(--neon-glow);
    transition: all 0.3s;
}

.hero-section .btn-primary:hover {
    background: var(--neon-dim);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.3);
    transform: translateY(-2px);
}

.hero-section .btn-outline-success {
    border-color: var(--neon);
    color: var(--neon);
    font-weight: 600;
}

.hero-section .btn-outline-success:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 30px var(--neon-glow);
    transform: translateY(-2px);
}

/* Cards */
.card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--neon);
    transition: width 0.3s ease, left 0.3s ease;
}

.card:hover {
    border-color: var(--border-hover) !important;
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 60px var(--neon-glow);
}

.card:hover::before {
    width: 100%;
    left: 0;
}

.card-title {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.card-text {
    color: var(--text-secondary) !important;
}

.card-body p,
.card-body li,
.card-body ul,
.card-body strong {
    color: var(--text-primary);
}

.card-body li::marker {
    color: var(--neon);
}

/* About page cards */
.card.about-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px;
}

.card.about-card .card-body {
    color: var(--text-secondary);
}

.card.about-card p,
.card.about-card li {
    color: var(--text-secondary) !important;
}

.card-footer {
    border-top: 1px solid var(--border) !important;
}

/* Badges */
.badge.bg-primary {
    background: rgba(0, 255, 136, 0.15) !important;
    color: var(--neon) !important;
    border: 1px solid rgba(0, 255, 136, 0.25);
}

.badge.bg-success {
    background: rgba(68, 204, 255, 0.15) !important;
    color: var(--info) !important;
    border: 1px solid rgba(68, 204, 255, 0.25);
}

.badge.bg-info {
    background: rgba(255, 170, 68, 0.15) !important;
    color: var(--warning) !important;
    border: 1px solid rgba(255, 170, 68, 0.25);
}

/* Article content */
.article-content {
    line-height: 1.9;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.article-content h2 {
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    color: var(--neon);
}

.article-content h3 {
    font-weight: 600;
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.article-content p {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.article-content li {
    color: var(--text-primary);
}

.article-content strong {
    color: var(--neon);
}

.article-content pre {
    background: #050805;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    overflow-x: auto;
    position: relative;
}

.article-content pre::before {
    content: '$';
    position: absolute;
    top: 1.25rem;
    left: 0.5rem;
    color: var(--neon-dim);
    font-weight: bold;
    opacity: 0.5;
}

.article-content code {
    color: var(--neon);
    background: rgba(0, 255, 136, 0.08);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

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

.article-content code:not(pre code) {
    color: var(--neon);
}

.article-content a {
    color: var(--neon);
    transition: text-shadow 0.2s;
}

.article-content a:hover {
    text-shadow: 0 0 10px var(--neon-glow);
}

.article-content blockquote {
    border-left: 3px solid var(--neon);
    padding-left: 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    background: rgba(0, 255, 136, 0.03);
    padding: 1rem 1.25rem;
    border-radius: 0 8px 8px 0;
}

.article-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1.5rem 0;
    border: 1px solid var(--border);
}

.article-content ul,
.article-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.article-content ul li::marker {
    color: var(--neon);
}

.article-content ol li::marker {
    color: var(--neon);
}

/* Alerts */
.alert-success {
    background: rgba(0, 255, 136, 0.06) !important;
    border: 1px solid rgba(0, 255, 136, 0.2) !important;
    color: var(--text-primary) !important;
    border-radius: 12px;
}

.alert-success strong {
    color: var(--neon);
}

.alert-success small {
    color: var(--text-secondary);
}

.alert-success .btn-success {
    background: var(--neon);
    border: none;
    color: var(--bg-primary);
    font-weight: 600;
}

.alert-success .btn-success:hover {
    background: var(--neon-dim);
    box-shadow: 0 0 20px var(--neon-glow);
}

.alert-info {
    background: rgba(68, 204, 255, 0.06) !important;
    border: 1px solid rgba(68, 204, 255, 0.2) !important;
    color: var(--text-primary) !important;
    border-radius: 12px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border) !important;
    background: var(--bg-primary) !important;
}

footer .text-muted {
    color: var(--text-muted) !important;
}

footer a {
    color: var(--neon-dim) !important;
}

footer a:hover {
    color: var(--neon) !important;
}

/* Links */
a {
    color: var(--neon-dim);
    transition: color 0.2s;
}

a:hover {
    color: var(--neon);
}

/* Buttons outline */
.btn-outline-primary {
    border-color: var(--neon);
    color: var(--neon);
}

.btn-outline-primary:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--neon);
    color: var(--neon);
    box-shadow: 0 0 20px var(--neon-glow);
}

.btn-outline-light {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Breadcrumbs */
.breadcrumb {
    background: transparent;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--neon);
}

.breadcrumb .active {
    color: var(--text-muted);
}

/* Filter buttons on articles page */
.btn-outline-secondary {
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background: rgba(0, 255, 136, 0.08);
    border-color: var(--neon);
    color: var(--neon);
}

.btn-outline-secondary.btn-primary {
    background: rgba(0, 255, 136, 0.12);
    border-color: var(--neon);
    color: var(--neon);
}

/* Tables */
.table-dark {
    --bs-table-bg: var(--bg-card);
    --bs-table-striped-bg: #111a11;
    --bs-table-border-color: var(--border);
    --bs-table-color: var(--text-primary);
}

/* Scrollbar for Webkit */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #1a3a1a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-dim);
}

/* Forms */
.form-control {
    background: #0a120a !important;
    border-color: var(--border) !important;
    color: var(--text-primary) !important;
}

.form-control:focus {
    border-color: var(--neon) !important;
    box-shadow: 0 0 0 0.2rem var(--neon-glow) !important;
}

/* Admin */
.card-header {
    border-bottom: 1px solid var(--border) !important;
    color: var(--text-secondary);
}

/* Pagination / more areas */
.text-muted {
    color: var(--text-muted) !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

section h2 {
    color: var(--neon);
    letter-spacing: -0.5px;
}

section h2 i {
    opacity: 0.8;
}