:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --border: #dde3ea;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #0f6cbd;
  --accent-dark: #0b5394;
  --danger: #d64545;
  --ok: #1a9e5e;
  --warn: #d97706;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 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; }
h1, h2, h3 { margin: 0 0 12px; }
button { cursor: pointer; border: 1px solid var(--border); background: var(--panel); border-radius: 6px; padding: 7px 14px; font-size: 13px; }
button:hover { border-color: var(--accent); color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-dark); color: #fff; }
button.danger { color: var(--danger); border-color: var(--danger); }
button.ghost { background: transparent; border-color: transparent; color: var(--muted); }
input, select, textarea { border: 1px solid var(--border); border-radius: 6px; padding: 7px 10px; font-size: 13px; font-family: inherit; background: #fff; width: 100%; }
textarea { min-height: 90px; resize: vertical; }
label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; font-weight: 600; }
label.check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); font-weight: 400; }
label.check input { width: auto; }
.row { display: flex; gap: 12px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; background: #eef2f7; color: var(--muted); }
.badge.ok { background: #e3f6ec; color: var(--ok); }
.badge.warn { background: #fdf0dc; color: var(--warn); }
.badge.danger { background: #fde8e8; color: var(--danger); }
.badge.accent { background: #e3eefb; color: var(--accent); }

/* Layout */
#app { min-height: 100vh; }
header.top { background: #123c63; color: #fff; display: flex; align-items: center; gap: 18px; padding: 10px 22px; position: sticky; top: 0; z-index: 50; }
header.top .brand { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 8px; }
header.top nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
header.top nav a { color: #cfe0f2; padding: 6px 12px; border-radius: 6px; font-size: 13px; }
header.top nav a.active { background: rgba(255,255,255,.14); color: #fff; }
header.top .userbox { color: #cfe0f2; font-size: 12px; display: flex; align-items: center; gap: 10px; }
.bell { position: relative; }
.bell .count { position: absolute; top: -6px; right: -8px; background: var(--danger); color: #fff; border-radius: 999px; font-size: 10px; padding: 1px 5px; }

main { max-width: 1240px; margin: 22px auto; padding: 0 22px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; }
.panel h2 { font-size: 16px; }
.panel h3 { font-size: 14px; }

/* Login */
.login-wrap { display: flex; justify-content: center; align-items: center; min-height: 90vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 34px; width: 380px; box-shadow: var(--shadow); }
.login-card h1 { font-size: 20px; }

/* Tablas */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 2px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
td { padding: 9px 10px; border-bottom: 1px solid #edf1f6; vertical-align: top; }
tr:hover td { background: #f8fafc; }

/* Bandeja */
.inbox-layout { display: grid; grid-template-columns: 190px 1fr; gap: 18px; align-items: start; }
.state-nav { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; }
.state-nav a { display: flex; justify-content: space-between; padding: 7px 10px; border-radius: 6px; color: var(--text); }
.state-nav a.active { background: #e3eefb; color: var(--accent); font-weight: 600; }
.state-nav .count { color: var(--muted); font-size: 12px; }
.ticket-row .subject { font-weight: 600; }
.ticket-row .from { color: var(--muted); font-size: 12px; }
.ticket-row .sla { font-size: 11px; font-weight: 600; }
.ticket-row .sla.ok { color: var(--ok); }
.ticket-row .sla.warn { color: var(--warn); }
.ticket-row .sla.danger { color: var(--danger); }
.clickable { cursor: pointer; }

/* Ficha de atención */
.ticket-detail { display: grid; grid-template-columns: 1fr 300px; gap: 18px; align-items: start; }
.msg { border: 1px solid var(--border); border-radius: 8px; padding: 14px; margin-bottom: 14px; background: #fcfdfe; }
.msg.in { border-left: 4px solid var(--accent); }
.msg.out { border-left: 4px solid var(--ok); }
.msg .head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.msg .fromline { font-weight: 600; }
.msg .meta { color: var(--muted); font-size: 12px; }
.msg .body { font-size: 13px; line-height: 1.5; overflow-wrap: anywhere; }
.msg .body img { max-width: 100%; }
.attachments { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.attachments a { font-size: 12px; background: #eef2f7; padding: 3px 9px; border-radius: 6px; }
.side-info { font-size: 13px; }
.side-info .kv { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px solid #f0f3f7; }
.side-info .kv .k { color: var(--muted); }
.note { background: #fff8e6; border: 1px solid #f5e3b8; border-radius: 8px; padding: 10px; margin-bottom: 8px; font-size: 13px; }
.note .author { color: var(--muted); font-size: 11px; }
.event { font-size: 12px; color: var(--muted); padding: 3px 0; border-bottom: 1px dashed #e5eaf0; }
.compose { border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.compose .toolbar { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.compose .toolbar .mode-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Admin */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 960px) { .grid2, .grid3, .inbox-layout, .ticket-detail { grid-template-columns: 1fr; } }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .full { grid-column: 1 / -1; }
.kpi { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi .kpi-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.kpi .kpi-card .v { font-size: 24px; font-weight: 700; color: var(--accent); }
.kpi .kpi-card .l { color: var(--muted); font-size: 12px; }
.tabs { display: flex; gap: 6px; border-bottom: 2px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { border: none; border-radius: 6px 6px 0 0; padding: 8px 14px; background: transparent; }
.tabs button.active { background: var(--panel); border: 1px solid var(--border); border-bottom: 2px solid var(--accent); color: var(--accent); font-weight: 600; }
.toast { position: fixed; bottom: 20px; right: 20px; background: #1f2937; color: #fff; padding: 12px 18px; border-radius: 8px; z-index: 100; opacity: .95; font-size: 13px; max-width: 360px; }
.toast.err { background: var(--danger); }
.toast.ok { background: var(--ok); }
.empty { color: var(--muted); text-align: center; padding: 30px; }
dialog { border: 1px solid var(--border); border-radius: 10px; padding: 0; width: 560px; max-width: 94vw; }
dialog .dlg-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; }
dialog .dlg-body { padding: 18px; max-height: 70vh; overflow: auto; }
dialog::backdrop { background: rgba(15, 23, 42, .4); }
.monospace { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
code { background: #eef2f7; padding: 1px 5px; border-radius: 4px; font-size: 12px; }