:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --bg: #0d0d0d;
    --card-bg: #1a1a1a;
    --hover-bg: #202020;
    --border: #2a2a2a;
    --text: #f4f4f5;
    --text-muted: #9ca3af;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ---------- Login ---------- */
.login-body {
    height: 100vh; display: flex; flex-direction: column;
    align-items: center; justify-content: center; background: var(--bg);
}
.login-logo { width: 150px; height: auto; margin-bottom: 24px; }
.login-box {
    background: var(--card-bg); padding: 40px; border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); border: 1px solid var(--border); width: 340px;
}
.login-box h1 { font-size: 20px; margin: 0 0 4px; color: var(--text); }
.login-box .subtitle { color: var(--text-muted); font-size: 13px; margin: 0 0 24px; }
.login-box label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-muted); }
.login-box input {
    width: 100%; padding: 10px 12px; margin-bottom: 16px;
    border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
    background: var(--bg); color: var(--text);
}
.login-box button {
    width: 100%; padding: 11px; background: var(--primary); color: #fff;
    border: none; border-radius: 8px; font-size: 15px; cursor: pointer;
}
.login-box button:hover { background: var(--primary-dark); }
.error { color: var(--danger); font-size: 13px; margin-top: 10px; }

/* ---------- App layout ---------- */
.topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 24px; background: var(--card-bg); border-bottom: 1px solid var(--border);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-logo { width: 32px; height: auto; border-radius: 6px; }
.topbar h1 { font-size: 17px; margin: 0; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-email { font-size: 13px; color: var(--text-muted); }
.link-btn { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 13px; }

.content { padding: 24px; max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }

/* ---------- KPIs ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kpi-card {
    background: var(--card-bg); border-radius: 12px; padding: 18px 20px;
    border: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px;
}
.kpi-label { font-size: 13px; color: var(--text-muted); }
.kpi-value { font-size: 28px; font-weight: 700; color: var(--text); }
.kpi-online .kpi-value { color: var(--success); }
.kpi-offline .kpi-value { color: var(--text-muted); }
.kpi-alarm .kpi-value { color: var(--warning); }

/* ---------- Panels ---------- */
.panel { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.panel-header h2 { font-size: 16px; margin: 0; color: var(--text); }

.btn-secondary {
    padding: 7px 14px; border: 1px solid var(--border); background: var(--hover-bg);
    border-radius: 8px; font-size: 13px; cursor: pointer; color: var(--text);
}
.btn-secondary:hover { background: #2a2a2a; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filters input {
    padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
    background: var(--hover-bg); color: var(--text);
}
.filters select {
    padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
    background: var(--hover-bg); color: var(--text);
}
.filters .inline-label {
    display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted);
}
.filters .inline-label input {
    padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
    background: var(--hover-bg); color: var(--text);
}

.panel-note {
    font-size: 12px; color: var(--text-muted); margin: 0 0 12px; padding: 8px 12px;
    background: var(--hover-bg); border-radius: 8px; border: 1px solid var(--border);
}

.diag-snapshot {
    background: #0a0a0a; color: #e2e8f0; border-radius: 8px; padding: 12px 14px;
    font-family: 'SF Mono', Consolas, monospace; font-size: 12px; margin-top: 12px;
    overflow-x: auto; white-space: pre-wrap; max-height: 320px; overflow-y: auto;
    border: 1px solid var(--border);
}
.diag-snapshot .diag-time { color: #93c5fd; font-weight: 700; display: block; margin-bottom: 6px; }

.idle-results { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.idle-card {
    flex: 1; min-width: 140px; background: var(--hover-bg); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px; text-align: center;
}
.idle-card .idle-label { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 6px; }
.idle-card .idle-value { font-size: 20px; font-weight: 700; color: var(--text); }
.idle-card .idle-sublabel { display: block; font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.idle-card.idle-relenti .idle-value { color: var(--warning); }
.idle-card.idle-quiet .idle-value { color: var(--text-muted); }
.idle-card.idle-moving .idle-value { color: var(--success); }

.capture-photo { max-width: 100%; border-radius: 10px; margin-top: 12px; border: 1px solid var(--border); }

/* Línea de tiempo de relenti */
.idle-timeline {
    display: flex; height: 36px; border-radius: 6px; overflow: hidden;
    margin-top: 16px; border: 1px solid var(--border);
}
.idle-timeline-segment { height: 100%; position: relative; cursor: default; }
.idle-timeline-segment.type-idle { background: #f59e0b; }
.idle-timeline-segment.type-moving { background: #22c55e; }
.idle-timeline-segment.type-off { background: #6b7280; }
.idle-timeline-labels {
    display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted);
    margin-top: 4px;
}
.idle-timeline-legend { display: flex; gap: 16px; margin-top: 10px; font-size: 12px; color: var(--text-muted); }
.idle-timeline-legend span { display: inline-flex; align-items: center; gap: 6px; }
.idle-timeline-legend .dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.dot.type-idle { background: #f59e0b; }
.dot.type-moving { background: #22c55e; }
.dot.type-off { background: #6b7280; }

.idle-segments-list { margin-top: 16px; max-height: 260px; overflow-y: auto; }
.idle-segments-list table { width: 100%; border-collapse: collapse; font-size: 13px; }
.idle-segments-list th {
    text-align: left; padding: 6px 10px; border-bottom: 2px solid var(--border);
    color: var(--text-muted); position: sticky; top: 0; background: var(--card-bg);
}
.idle-segments-list td { padding: 6px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
.idle-segments-list .type-tag {
    font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 600; color: #fff;
}
.type-tag.type-idle { background: #f59e0b; }
.type-tag.type-moving { background: #22c55e; }
.type-tag.type-off { background: #6b7280; }

/* ---------- Fleet layout (map + table) ---------- */
.fleet-layout { display: flex; gap: 16px; }
.map { flex: 1; height: 420px; border-radius: 10px; border: 1px solid var(--border); }
.vehicle-table-wrap { flex: 1; max-height: 420px; overflow-y: auto; }

/* ---------- Tables ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
    text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--border);
    color: var(--text-muted); font-weight: 600; position: sticky; top: 0; background: var(--card-bg);
}
.data-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
.data-table tr:hover td { background: var(--hover-bg); }

.status-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.status-dot.online { background: var(--success); }
.status-dot.offline { background: #4b5563; }

.badge { font-size: 11px; padding: 2px 8px; border-radius: 20px; font-weight: 600; }
.badge-handled { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-pending { background: rgba(245,158,11,0.15); color: var(--warning); }

.pagination { display: flex; gap: 6px; margin-top: 12px; justify-content: flex-end; }
.pagination button {
    padding: 5px 10px; border: 1px solid var(--border); background: var(--hover-bg); border-radius: 6px;
    cursor: pointer; font-size: 12px; color: var(--text);
}
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

@media (max-width: 800px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .fleet-layout { flex-direction: column; }
    .map { height: 280px; }
}