/* Surveillance App - mobile-first styles */
:root {
  --ink: #1d2733; --muted: #6b7785; --line: #dde3ea; --bg: #f4f6f9; --card: #fff;
  --brand: #1f3a5f; --accent: #2f6fdb; --ok: #1f8a4c; --warn: #c27c0e; --bad: #c0392b;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); }
.topbar { background: var(--brand); color: #fff; padding: 10px 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; }
.topbar .brand { font-weight: 700; }
.topbar .site { font-weight: 400; opacity: .8; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 4px; }
.topbar nav a { color: #fff; text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: 14px; }
.topbar nav a.on, .topbar nav a:hover { background: rgba(255,255,255,.15); }
main { max-width: 1000px; margin: 0 auto; padding: 14px; }
h1 { font-size: 20px; margin: 4px 0 12px; }
h2 { font-size: 17px; margin: 18px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin-bottom: 12px; }
.grid { display: grid; gap: 12px; }
@media (min-width: 720px) { .grid.two { grid-template-columns: 1fr 1fr; } .grid.three { grid-template-columns: repeat(3, 1fr); } .grid.four { grid-template-columns: repeat(4, 1fr); } }
label { display: block; font-size: 13px; color: var(--muted); margin: 8px 0 3px; }
input, select, textarea { width: 100%; padding: 10px; font-size: 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
input[type=checkbox] { width: auto; }
.btn { display: inline-block; border: 0; background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 15px; cursor: pointer; text-decoration: none; text-align: center; }
.btn.big { width: 100%; padding: 14px; font-size: 17px; margin-top: 12px; }
.btn.ok { background: var(--ok); } .btn.bad { background: var(--bad); } .btn.ghost { background: #fff; color: var(--accent); border: 1px solid var(--accent); }
.btn.small { padding: 6px 10px; font-size: 13px; }
.flash { padding: 10px 12px; border-radius: 8px; margin-bottom: 10px; background: #e7f5ec; color: var(--ok); }
.flash.err { background: #fbe9e7; color: var(--bad); }
.flash.warn { background: #fff4e0; color: var(--warn); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.muted { color: var(--muted); font-size: 13px; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; background: #eef2f7; color: var(--ink); }
.tag.ok { background: #e7f5ec; color: var(--ok); } .tag.warn { background: #fff4e0; color: var(--warn); } .tag.bad { background: #fbe9e7; color: var(--bad); }
.stat { font-size: 26px; font-weight: 700; } .stat-label { color: var(--muted); font-size: 13px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tabs a { padding: 8px 12px; border-radius: 8px; background: #fff; border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-size: 14px; }
.tabs a.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.code-input { font-size: 28px; letter-spacing: 6px; text-align: center; text-transform: uppercase; font-family: ui-monospace, monospace; }
.pass { max-width: 420px; margin: 0 auto; text-align: center; }
.pass .qr { display: inline-block; padding: 10px; background: #fff; border-radius: 10px; }
.pass .qr svg, .pass .qr img { width: 240px; height: 240px; }
.pass .code { font-family: ui-monospace, monospace; font-size: 32px; letter-spacing: 6px; font-weight: 700; margin: 8px 0; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.overdue { background: #fff4e0; }
.snap { width: 100%; max-width: 320px; border-radius: 8px; display: block; }
#scanner { width: 100%; max-width: 420px; border-radius: 10px; background: #000; display: none; }
.event { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .event { grid-template-columns: 320px 1fr; } }
.login { max-width: 360px; margin: 40px auto; }