/* Catppuccin Mocha palette */
:root {
    --base: #1e1e2e;
    --mantle: #181825;
    --surface0: #313244;
    --surface1: #45475a;
    --text: #cdd6f4;
    --subtext0: #a6adc8;
    --overlay0: #6c7086;
    --muted: #585b70;
    --blue: #89b4fa;
    --green: #a6e3a1;
    --yellow: #f9e2af;
    --peach: #fab387;
    --red: #f38ba8;
    --mauve: #cba6f7;
    --pink: #f5c2e7;
    --lavender: #b4befe;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--base);
    color: var(--text);
    line-height: 1.6;
}

h1, h2, h3 { font-family: 'Bricolage Grotesque', Manrope, sans-serif; letter-spacing: -0.02em; }

a { color: var(--mauve); text-decoration: none; }
a:hover { color: var(--text); text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Navigation */
nav {
    background: var(--mantle);
    border-bottom: 1px solid var(--surface0);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
nav .container { display: flex; align-items: center; gap: 28px; }
nav .logo {
    font-family: 'Bricolage Grotesque', Manrope, sans-serif;
    font-weight: 700;
    font-size: 20px;
    text-decoration: none;
    letter-spacing: -0.03em;
    margin-right: 8px;
    background: linear-gradient(90deg, var(--blue), var(--mauve), var(--pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
nav a {
    color: var(--subtext0);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}
nav a:hover, nav a.active { color: var(--text); background: var(--surface0); }
nav a.logo:hover, nav a.logo:active {
    background: linear-gradient(90deg, var(--blue), var(--mauve), var(--pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Page header */
.page-header { margin: 32px 0 24px; }
.page-header h1 { font-size: 30px; font-weight: 700; }
.page-header .subtitle { color: var(--subtext0); font-size: 15px; margin-top: 6px; }

/* KPI Cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card {
    background: var(--mantle);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--surface0);
}
.kpi-card .label { color: var(--subtext0); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-card .value { font-size: 28px; font-weight: 700; margin: 4px 0; }
.kpi-card .change { font-size: 13px; }
.kpi-card .change.up { color: var(--green); }
.kpi-card .change.down { color: var(--red); }
.kpi-card .change.flat { color: var(--muted); }
.kpi-card .change.forecast { color: var(--peach); }
.kpi-card .sparkline-container { height: 50px; margin-top: 8px; }
.kpi-card .total { font-size: 12px; color: var(--subtext0); margin-top: 4px; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    text-align: left;
    padding: 10px 12px;
    color: var(--subtext0);
    border-bottom: 2px solid var(--surface0);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
tbody td { padding: 10px 12px; border-bottom: 1px solid var(--surface0); }
tbody tr:hover { background: var(--mantle); }
td.number { text-align: right; font-variant-numeric: tabular-nums; }
td .bar { height: 14px; background: var(--blue); opacity: 0.4; border-radius: 2px; }

/* Sortable columns */
table.sortable th { cursor: pointer; user-select: none; }
table.sortable th::after { content: ''; margin-left: 4px; }
table.sortable th.sort-asc::after { content: ' \25B2'; font-size: 10px; }
table.sortable th.sort-desc::after { content: ' \25BC'; font-size: 10px; }

/* Trend arrows */
.trend-up { color: var(--green); }
.trend-down { color: var(--red); }
.trend-flat { color: var(--muted); }

/* Tabs (leaderboard) */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--surface0);
    background: transparent;
    color: var(--subtext0);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}
.tab-btn.active { background: var(--surface0); color: var(--text); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Mini velocity chart */
.velocity-chart { display: inline-block; width: 80px; height: 30px; }

/* Detail pages */
.detail-header { margin-bottom: 24px; padding-top: 16px; }
.detail-header h1 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.detail-header .meta { color: var(--subtext0); font-size: 14px; margin-top: 4px; }
.detail-header .meta a { color: var(--blue); text-decoration: none; }
.external-link { color: var(--overlay0); opacity: 0.5; transition: opacity 0.2s; vertical-align: middle; }
.external-link:hover { opacity: 1; color: var(--blue); text-decoration: none; }
.profile-links { display: flex; gap: 16px; margin-top: 8px; }
.profile-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--subtext0);
    font-size: 14px;
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--surface0);
    transition: color 0.2s, border-color 0.2s;
}
.profile-link:hover { color: var(--text); border-color: var(--surface1); text-decoration: none; }
.profile-icon {
    display: inline-flex;
    align-items: center;
    color: var(--overlay0);
    opacity: 0.5;
    margin-left: 8px;
    vertical-align: middle;
    transition: opacity 0.2s;
}
.profile-icon:hover { opacity: 1; }
.profile-icon img { border-radius: 3px; }
.chart-container { background: var(--mantle); border-radius: 8px; padding: 16px; margin-bottom: 24px; border: 1px solid var(--surface0); }
.chart-container h3 { font-size: 14px; color: var(--subtext0); margin-bottom: 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-item { background: var(--mantle); padding: 12px; border-radius: 6px; border: 1px solid var(--surface0); }
.stat-item .label { font-size: 11px; color: var(--subtext0); text-transform: uppercase; }
.stat-item .value { font-size: 20px; font-weight: 700; }
.stat-item .change { font-size: 12px; margin-top: 2px; }
.stat-item .change.up { color: var(--green); }
.stat-item .change.down { color: var(--red); }
.stat-item .change.flat { color: var(--muted); }

/* Footer */
footer {
    margin-top: 48px;
    padding: 24px 0;
    border-top: 1px solid var(--surface0);
    color: var(--muted);
    font-size: 12px;
    text-align: center;
}
footer a { color: var(--blue); text-decoration: none; }

/* Table scroll wrapper — prevents horizontal overflow on mobile */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 24px; }
.table-wrap table { min-width: 560px; }

/* Responsive — Tablet */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    table { font-size: 12px; }
    thead th { padding: 8px 8px; font-size: 11px; }
    tbody td { padding: 8px 8px; }
    nav .container { flex-wrap: wrap; gap: 6px; }
    nav .logo { font-size: 18px; margin-right: 4px; width: 100%; }
    nav a { font-size: 13px; padding: 5px 8px; }
    .page-header h1 { font-size: 24px; }
    .page-header .subtitle { font-size: 13px; }
    .detail-header h1 { font-size: 22px; }
    .chart-container { padding: 12px; }
    .tabs, .filters { flex-wrap: wrap; }
}

/* Responsive — Mobile */
@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-item .value { font-size: 18px; }
    .meta-item { display: block; margin-right: 0; margin-bottom: 4px; }
    .detail-header .meta { line-height: 2; }
    .velocity-chart { width: 60px; height: 24px; }
    .tab-btn { font-size: 12px; padding: 6px 10px; }
    .filter-btn { font-size: 12px; padding: 5px 10px; }
}

/* Filter buttons (rising page) */
.filters { display: flex; gap: 8px; margin-bottom: 16px; }
.filter-btn {
    padding: 6px 12px;
    border: 1px solid var(--surface0);
    background: transparent;
    color: var(--subtext0);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
.filter-btn.active { background: var(--blue); color: var(--mantle); border-color: var(--blue); }

/* Skill list on owner page */
.skill-list { list-style: none; }
.skill-list li {
    padding: 12px;
    border-bottom: 1px solid var(--surface0);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.skill-list li a { color: var(--blue); text-decoration: none; }
.skill-list li .stats { color: var(--subtext0); font-size: 13px; }

/* Forecast indicators */
.forecast-badge {
    display: inline-block;
    background: var(--peach);
    color: var(--base);
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    vertical-align: middle;
}
.forecast-hint {
    color: var(--subtext0);
    font-size: 12px;
}
.forecast-row {
    background: rgba(250, 179, 135, 0.05);
}

/* Meta items with icons */
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-right: 12px;
}
.meta-item svg { opacity: 0.6; }
.summary { color: var(--subtext0); margin-top: 8px; }

/* Tags */
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tag {
    display: inline-block;
    background: var(--surface0);
    color: var(--subtext0);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 12px;
    border: 1px solid var(--surface1);
}

/* Highlighted / Suspicious badges */
.badge {
    display: inline-block;
    font-size: 13px;
    vertical-align: middle;
    margin-left: 4px;
}
.badge-highlighted { color: var(--yellow); }
.badge-suspicious { color: var(--red); }

/* Trust indicator */
.trust-indicator { font-variant-numeric: tabular-nums; }
.trust-high { color: var(--green); }
.trust-low { color: var(--red); }

/* Owner profile */
.owner-header { display: flex; align-items: center; gap: 16px; }
.owner-avatar { border-radius: 50%; border: 2px solid var(--surface1); }
.owner-avatar-sm { border-radius: 50%; vertical-align: middle; margin-right: 4px; }
.owner-profile { margin-top: 12px; }
.owner-bio { color: var(--subtext0); font-size: 15px; margin-bottom: 8px; }
.profile-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--subtext0); font-size: 14px; }
.profile-meta svg { opacity: 0.6; vertical-align: -2px; }
.github-stats {
    display: flex;
    gap: 16px;
    margin-top: 10px;
    color: var(--subtext0);
    font-size: 14px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 0;
    color: var(--muted);
    font-size: 16px;
}