/* EventSync Documentation — shared styles */
:root {
    --teal: #00D4AA;
    --teal-dark: #00B894;
    --bg-dark: #1a1a1a;
    --bg-card: #252525;
    --bg-code: #2d2d2d;
    --text: #e0e0e0;
    --text-muted: #888;
    --border: #333;
    --purple: #a855f7;
    --orange: #f59e0b;
    --red: #ef4444;
    --green: #22c55e;
    --blue: #3b82f6;
    --bg-primary: #0a0e14;
}

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

body {
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
}

/* Site Header */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 24px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-header .site-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}
.site-header .logo-mark { width: 28px; height: 28px; border-radius: 6px; overflow: hidden; }
.site-header .logo-mark img { width: 100%; height: 100%; object-fit: cover; }
.site-header .header-links { display: flex; gap: 24px; list-style: none; }
.site-header .header-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.site-header .header-links a:hover { color: var(--text); }

/* Docs layout */
.docs-layout { display: flex; padding-top: 60px; }

.sidebar {
    width: 280px;
    height: calc(100vh - 60px);
    position: fixed;
    left: 0; top: 60px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 24px;
    overflow-y: auto;
}
.logo { font-size: 1.5rem; font-weight: 700; color: var(--teal); margin-bottom: 8px; }
.logo span { color: var(--text); }
.version { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 32px; }
.sidebar ul { list-style: none; }
.sidebar > ul > li { margin-bottom: 20px; }
.nav-section {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.sidebar ul ul li a {
    display: block;
    padding: 6px 12px;
    color: var(--text);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.15s;
}
.sidebar ul ul li a:hover { background: var(--bg-dark); color: var(--teal); }
.sidebar ul ul li a.active { background: var(--bg-dark); color: var(--teal); }

main {
    margin-left: 280px;
    flex: 1;
    padding: 48px 64px;
    max-width: 960px;
}

h1 { font-size: 2.5rem; font-weight: 700; color: var(--text); margin-bottom: 16px; }
h1 span { color: var(--teal); }
.intro { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 48px; }
h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text);
    margin-top: 64px;
    margin-bottom: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
h3 { font-size: 1.25rem; font-weight: 600; color: var(--teal); margin-top: 32px; margin-bottom: 16px; }
h4 { font-size: 1rem; font-weight: 600; color: var(--text); margin-top: 24px; margin-bottom: 12px; }
p { margin-bottom: 16px; }
ul, ol { margin-bottom: 16px; padding-left: 24px; }
li { margin-bottom: 8px; }
strong { color: var(--text); font-weight: 600; }
a { color: var(--teal); }
code {
    background: var(--bg-code);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Consolas, monospace;
    font-size: 0.9em;
    color: var(--teal);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin: 16px 0;
}
.card h4 { margin-top: 0; color: var(--teal); }

.warning { border-left: 3px solid var(--orange); background: rgba(245, 158, 11, 0.1); }
.tip { border-left: 3px solid var(--teal); background: rgba(0, 212, 170, 0.1); }
.important { border-left: 3px solid var(--red); background: rgba(239, 68, 68, 0.1); }
.open-question { border-left: 3px dashed var(--purple); background: rgba(168, 85, 247, 0.08); }

table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-green { background: rgba(34, 197, 94, 0.2); color: var(--green); }
.badge-orange { background: rgba(245, 158, 11, 0.2); color: var(--orange); }
.badge-purple { background: rgba(168, 85, 247, 0.2); color: var(--purple); }
.badge-blue { background: rgba(59, 130, 246, 0.2); color: var(--blue); }
.badge-red { background: rgba(239, 68, 68, 0.2); color: var(--red); }

.screenshot {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.screenshot.small { max-width: 420px; display: block; margin-left: auto; margin-right: auto; }
.screenshot-caption {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: -12px;
    margin-bottom: 24px;
}

.workflow { display: flex; align-items: center; gap: 12px; margin: 24px 0; flex-wrap: wrap; }
.workflow-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
}
.workflow-arrow { color: var(--teal); font-size: 1.25rem; }

/* Hub cards on landing page */
.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin: 24px 0 48px;
}
.hub-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.15s;
    display: block;
}
.hub-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.hub-card .num { font-size: 0.75rem; color: var(--teal); font-weight: 600; letter-spacing: 0.1em; }
.hub-card h3 { margin: 6px 0 10px; color: var(--text); font-size: 1.1rem; }
.hub-card p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* Video placeholder (to be replaced when videos are produced) */
.video-placeholder {
    background: var(--bg-card);
    border: 1px dashed var(--teal);
    border-radius: 8px;
    padding: 28px 20px;
    margin: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}
.video-placeholder strong { color: var(--teal); }

/* Next/prev pager */
.pager {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.pager a {
    flex: 1;
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    background: var(--bg-card);
    transition: all 0.15s;
}
.pager a:hover { border-color: var(--teal); }
.pager .pager-label { display: block; font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.pager .pager-title { display: block; color: var(--teal); margin-top: 4px; }
.pager .next { text-align: right; }

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--teal); }

@media (max-width: 900px) {
    .sidebar { display: none; }
    main { margin-left: 0; padding: 24px; }
    .site-header .header-links { display: none; }
}