:root {
    --bg: #0f172a;
    --panel: #1e293b;
    --panel-2: #273449;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --ok: #22c55e;
    --warn: #f59e0b;
    --err: #ef4444;
    --border: #334155;
    --row-hover: #233048;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

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

body:not(.login-body) {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    display: flex;
    flex-direction: column;
}
.sidebar .brand {
    padding: 0 16px 16px;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: .5px;
    border-bottom: 1px solid var(--border);
}
.sidebar nav { display: flex; flex-direction: column; padding: 8px 0; flex: 1; }
.sidebar nav a {
    padding: 9px 16px;
    color: var(--text);
    font-weight: 500;
    border-left: 3px solid transparent;
}
.sidebar nav a.active, .sidebar nav a:hover {
    background: var(--panel-2);
    border-left-color: var(--accent);
    text-decoration: none;
}
.sidebar .user {
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-size: 12px;
}

/* Main */
main { padding: 0; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; }
.daterange { display: flex; gap: 12px; align-items: center; }
.daterange label { color: var(--muted); font-size: 12px; display: flex; gap: 6px; align-items: center; }
.daterange input, .daterange select, .filters input, .filters select {
    background: var(--bg); border: 1px solid var(--border); color: var(--text);
    padding: 6px 8px; border-radius: 4px;
}
.daterange button, .filters button, .button, button[type="submit"] {
    background: var(--accent); color: #001220; border: 0; padding: 7px 12px;
    border-radius: 4px; font-weight: 600; cursor: pointer;
}
.button { display: inline-block; }
.button:hover, .daterange button:hover, .filters button:hover { filter: brightness(1.1); text-decoration: none; }

.content { padding: 24px; }
h2 { margin: 32px 0 12px; font-size: 16px; font-weight: 600; }

/* KPI */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 16px; }
.kpi-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.kpi-value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.kpi-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Charts */
.chart-wrap { background: var(--panel); padding: 16px; border-radius: 6px; border: 1px solid var(--border); height: 280px; }

/* Tables */
.data-table, .funnel-table {
    width: 100%; border-collapse: collapse;
    background: var(--panel); border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}
.data-table th, .data-table td, .funnel-table th, .funnel-table td {
    padding: 9px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top;
}
.data-table thead, .funnel-table thead { background: var(--panel-2); }
.data-table tbody tr:hover { background: var(--row-hover); }
.data-table tr.warn td:first-child { border-left: 3px solid var(--warn); }
.data-table tr.ok td:first-child { border-left: 3px solid var(--ok); }
.data-table.compact td, .data-table.compact th { padding: 6px 10px; font-size: 13px; }
.empty { color: var(--muted); text-align: center; padding: 24px; }

/* Funnel */
.funnel-table .bar { background: var(--panel-2); height: 14px; border-radius: 3px; overflow: hidden; }
.funnel-table .fill { background: var(--accent); height: 100%; }
.funnel-table tr.drop td { background: rgba(245, 158, 11, .07); color: var(--muted); font-size: 12px; padding: 4px 12px; }

/* Badges */
.badge {
    display: inline-block; background: var(--panel-2); color: var(--muted);
    padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .3px;
}
.badge.ok { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.warn { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.dir-client { background: rgba(56,189,248,.15); color: var(--accent); }
.badge.dir-wss_in { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.dir-wss_out { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.dir-server { background: rgba(148,163,184,.2); color: var(--muted); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 16px; }
.filters label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

/* Actions */
.actions { display: flex; gap: 8px; margin-bottom: 12px; }

/* Meta grid */
.meta-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px; background: var(--panel); border: 1px solid var(--border);
    border-radius: 6px; padding: 16px; margin-bottom: 16px;
}
.meta-grid > div { font-size: 13px; }
.meta-grid > .ua { grid-column: 1 / -1; word-break: break-all; }

/* Events */
.events pre {
    margin: 0; font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 11px; max-width: 600px; max-height: 100px; overflow: auto;
    background: var(--bg); padding: 6px; border-radius: 3px;
}
.inline-pre { display: inline-block; margin: 0; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }

/* Login */
.login-body {
    background: var(--bg); display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 16px;
}
.login-card {
    background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
    padding: 32px; width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 { margin: 0 0 8px; text-align: center; font-size: 22px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.login-card input {
    background: var(--bg); border: 1px solid var(--border); color: var(--text);
    padding: 9px 10px; border-radius: 4px; font-size: 14px;
}
.alert.error { background: rgba(239,68,68,.15); color: var(--err); padding: 8px 12px; border-radius: 4px; font-size: 13px; }
.alert.ok    { background: rgba(34,197,94,.15);  color: var(--ok);  padding: 8px 12px; border-radius: 4px; font-size: 13px; }
.button.danger { background: var(--err); color: white; }
.button.danger:hover { filter: brightness(1.1); }
.button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.button.secondary:hover { background: var(--row-hover); filter: none; }

th.sortable { cursor: pointer; user-select: none; }
th.sortable a { color: var(--text); text-decoration: none; display: block; }
th.sortable a:hover { color: var(--accent); }
th.sort-active a { color: var(--accent); }