/* ---- VARIABLES ---- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-card: #12121f;
    --bg-terminal: #0c0c14;
    --border-color: #1a1a2e;
    --border-glow: #2563eb33;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --blue: #3b82f6;
    --blue-bright: #60a5fa;
    --blue-glow: #3b82f680;
    --blue-deep: #1d4ed8;
    --green: #22c55e;
    --purple: #a78bfa;
    --orange: #fb923c;
    --red: #f87171;
    --cyan: #22d3ee;
    --yellow: #fbbf24;
}

/* ---- RESET & BASE ---- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ---- NAV ---- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

nav .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-noti { color: #ffffff; }
.logo-flow { color: var(--blue-bright); text-shadow: 0 0 20px var(--blue-glow); }

nav .nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav .nav-links a:hover { color: var(--text-primary); }
nav .nav-links a.active { color: var(--blue-bright); }

.btn-nav {
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.3s;
    background: transparent;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.btn-nav:hover {
    border-color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
}

/* ---- TERMINAL CODE BLOCKS ---- */
.terminal {
    background: var(--bg-terminal);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    text-align: left;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 1px rgba(59, 130, 246, 0.1);
    transition: box-shadow 0.3s;
}

.terminal:hover {
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5), 0 0 2px var(--border-glow);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red    { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green  { background: #28c840; }

.terminal-title {
    flex: 1;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.terminal-body {
    padding: 1.2rem 1.5rem;
    overflow-x: auto;
}

.terminal-body .line { white-space: pre; }

/* ---- SYNTAX COLORS ---- */
.tk-keyword    { color: var(--purple); }
.tk-type       { color: var(--cyan); }
.tk-string     { color: var(--green); }
.tk-method     { color: var(--blue-bright); }
.tk-comment    { color: var(--text-muted); font-style: italic; }
.tk-number     { color: var(--orange); }
.tk-annotation { color: var(--yellow); }
.tk-tag        { color: var(--red); }
.tk-attr       { color: var(--orange); }
.tk-punct      { color: var(--text-muted); }
.tk-var        { color: var(--text-primary); }

/* ---- CONFIG TABLE ---- */
.config-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

.config-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.config-table th {
    background: rgba(255, 255, 255, 0.03);
    text-align: left;
    padding: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.config-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.config-table tr:last-child td { border-bottom: none; }

.config-table code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    background: rgba(59, 130, 246, 0.08);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--blue-bright);
}

/* ---- GLOW ACCENT ---- */
.glow-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--blue), transparent);
    margin: 0 auto;
    max-width: 400px;
    opacity: 0.3;
}

/* ---- FOOTER ---- */
footer {
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

footer .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

footer .footer-logo {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

footer .footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 1.5rem;
}

footer .footer-links a,
footer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

footer .footer-links a:hover,
footer a:hover { color: var(--text-primary); }

/* ---- RESPONSIVE (shared) ---- */
@media (max-width: 768px) {
    nav .nav-links { gap: 1rem; }
}