:root {
  --bg: #f4f6fb; --card: #fff; --text: #1f2937; --muted: #64748b; --border: #e3e8f0;
  --primary: #2563eb; --primary-dark: #1e3a8a; --danger: #dc2626; --ok: #16a34a; --warn: #d97706;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 "Segoe UI", system-ui, -apple-system, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
header.top { background: var(--primary-dark); color: #fff; }
header.top .wrap { display: flex; align-items: center; gap: 24px; height: 56px; }
header.top .brand { font-weight: 700; font-size: 17px; }
header.top nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
header.top nav a { color: #cbd5e1; text-decoration: none; padding: 6px 12px; border-radius: 6px; }
header.top nav a.active, header.top nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 28px; padding-bottom: 48px; }
h1 { font-size: 22px; margin: 0 0 4px; }
.sub { color: var(--muted); margin: 0 0 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 13px; }
label .req { color: var(--danger); }
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid #cbd5e1; border-radius: 7px; font: inherit; background: #fff; color: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--primary); }
textarea { min-height: 120px; resize: vertical; }
.field { margin-bottom: 16px; }
button, .btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 7px; border: 1px solid transparent; background: var(--primary); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .6; cursor: default; }
button.secondary { background: #fff; color: var(--text); border-color: #cbd5e1; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert.ok { background: #dcfce7; color: #14532d; }
.alert.err { background: #fee2e2; color: #7f1d1d; }
.hidden { display: none !important; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.st-nuevo { background: #dbeafe; color: #1e40af; }
.st-en_proceso { background: #fef3c7; color: #92400e; }
.st-en_espera { background: #ede9fe; color: #5b21b6; }
.st-resuelto { background: #dcfce7; color: #166534; }
.st-cerrado { background: #e2e8f0; color: #334155; }
.pr-baja { color: #64748b; } .pr-media { color: #2563eb; } .pr-alta { color: var(--warn); } .pr-critica { color: var(--danger); }
.pr { font-weight: 600; text-transform: capitalize; }

table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.list td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.list tr.row { cursor: pointer; }
table.list tr.row:hover { background: #f8fafc; }
table.list tr.row.sel { background: #eff6ff; }
.muted { color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; cursor: pointer; }
.kpi.active { border-color: var(--primary); box-shadow: 0 0 0 2px #bfdbfe; }
.kpi .n { font-size: 26px; font-weight: 700; }
.kpi .l { color: var(--muted); font-size: 12px; }

.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; } }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input { max-width: 280px; }
.toolbar select { max-width: 200px; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { position: relative; padding: 0 0 14px 20px; border-left: 2px solid var(--border); margin-left: 6px; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.timeline li.private::before { background: #94a3b8; }
.timeline .msg { white-space: pre-wrap; }
.desc { background: #f8fafc; border-left: 3px solid var(--primary); padding: 12px 16px; white-space: pre-wrap; border-radius: 0 6px 6px 0; }
.meta { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 14px 0; }
.meta dt { color: var(--muted); } .meta dd { margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); margin: 22px 0 10px; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.n-enviado { color: var(--ok); } .n-omitido { color: var(--muted); } .n-error { color: var(--danger); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.check input { width: auto; }