:root {
  --radius: 16px;
}
:root, :root[data-theme="dark"] {
  --bg: #0f1220;
  --glow: #1a2140;
  --panel: #191d31;
  --panel-2: #222741;
  --line: #2d3352;
  --text: #eef1ff;
  --muted: #9aa2c7;
  --accent: #5b8cff;
  --accent-2: #3ecf8e;
  --danger: #ff6b6b;
  --warn: #ffcc66;
  --shadow: 0 8px 30px rgba(0, 0, 0, .35);
}
:root[data-theme="light"] {
  --bg: #f4f6fb;
  --glow: #e4ebff;
  --panel: #ffffff;
  --panel-2: #eef1f8;
  --line: #d8dee9;
  --text: #171c30;
  --muted: #5b6478;
  --accent: #3b6fe0;
  --accent-2: #12a566;
  --danger: #d64545;
  --warn: #b7791f;
  --shadow: 0 8px 30px rgba(20, 30, 60, .12);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(1200px 600px at 50% -10%, var(--glow) 0%, var(--bg) 60%);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100%;
}
a { color: var(--accent); }
button { font: inherit; cursor: pointer; }

.wrap { max-width: 780px; margin: 0 auto; padding: 20px 18px 120px; }
.wrap.wide { max-width: 1100px; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 8px 2px 18px;
}
.brand { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.brand h1 { margin: 0; font-size: 26px; letter-spacing: .2px; }
.brand .tag { color: var(--muted); font-size: 14px; }
.pill { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); }

.searchbar { position: sticky; top: 0; z-index: 5; padding: 12px 0; background: linear-gradient(var(--bg), var(--bg) 70%, transparent); }
.search {
  width: 100%; padding: 18px 20px; font-size: 20px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--panel); color: var(--text); outline: none;
}
.search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,140,255,.25); }

.stats { display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0 14px; }
.stat { flex: 1; min-width: 120px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .n { font-size: 30px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .6px; }

ul.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.guest {
  display: flex; align-items: center; gap: 14px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px;
}
.guest .info { flex: 1; min-width: 0; }
.guest .name { font-size: 20px; font-weight: 600; }
.guest .meta { color: var(--muted); font-size: 13px; margin-top: 2px; }
.guest.in { border-color: rgba(62,207,142,.5); background: linear-gradient(var(--panel), rgba(62,207,142,.06)); }
.guest .badge { font-size: 12px; color: var(--accent-2); border: 1px solid rgba(62,207,142,.4); padding: 3px 8px; border-radius: 999px; white-space: nowrap; }

.btn {
  border: none; border-radius: 12px; padding: 14px 20px; font-size: 16px; font-weight: 600;
  background: var(--accent); color: white; transition: transform .06s ease, filter .15s ease;
}
.btn:active { transform: scale(.97); }
.btn:hover { filter: brightness(1.08); }
.btn.big { padding: 16px 26px; font-size: 18px; }
.btn.ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.btn.green { background: var(--accent-2); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 9px 14px; font-size: 14px; }
.btn:disabled { opacity: .5; cursor: default; }

.empty { text-align: center; color: var(--muted); padding: 50px 20px; }
.empty .big { font-size: 40px; margin-bottom: 8px; }

.walkin-card { margin-top: 24px; border: 1px dashed var(--line); border-radius: var(--radius); padding: 18px; background: rgba(255,255,255,.02); }
.walkin-card h3 { margin: 0 0 4px; }
.walkin-card p { color: var(--muted); margin: 0 0 12px; font-size: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row .grow { flex: 1; min-width: 160px; }
input.field, select.field {
  padding: 14px 16px; font-size: 16px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); outline: none; width: 100%;
}
input.field:focus, select.field:focus { border-color: var(--accent); }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--accent-2); color: #06301f; font-weight: 700; padding: 16px 26px; border-radius: 14px;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: all .25s ease; font-size: 18px; z-index: 50; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--danger); color: #3a0000; }

/* Admin */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.card h2 { margin: 0 0 12px; font-size: 18px; }
.card .hint { color: var(--muted); font-size: 13px; margin: -4px 0 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .6px; position: sticky; top: 0; background: var(--panel); }
td .t { color: var(--muted); font-size: 12px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot.in { background: var(--accent-2); }
.dot.out { background: var(--line); }
.toggle { display: inline-flex; align-items: center; gap: 10px; }
.switch { position: relative; width: 48px; height: 28px; }
.switch input { display: none; }
.slider { position: absolute; inset: 0; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; transition: .2s; }
.slider::before { content: ""; position: absolute; width: 20px; height: 20px; left: 3px; top: 3px; background: var(--muted); border-radius: 50%; transition: .2s; }
.switch input:checked + .slider { background: rgba(62,207,142,.3); border-color: var(--accent-2); }
.switch input:checked + .slider::before { transform: translateX(20px); background: var(--accent-2); }
.tablewrap { max-height: 60vh; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.filterbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.filterbar .search { padding: 12px 16px; font-size: 16px; }
.muted { color: var(--muted); }
.kioskurl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 12px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; }
.kioskurl a { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; word-break: break-all; }
.kioskurl .muted { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--panel-2); padding: 1px 5px; border-radius: 5px; }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--accent-2); }
.live .beat { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); animation: beat 1.6s infinite; }
@keyframes beat { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

/* Header controls (theme toggle, lock, kiosk name) */
.controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.iconbtn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-width: 44px; height: 44px; padding: 0 12px; font-size: 18px;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 12px; transition: filter .15s ease, transform .06s ease;
}
.iconbtn .lbl { font-size: 14px; font-weight: 600; }
.iconbtn:hover { filter: brightness(1.06); }
.iconbtn:active { transform: scale(.96); }
.kiosk-name-input {
  height: 44px; padding: 0 14px; font-size: 15px; max-width: 190px;
  background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 12px; outline: none;
}
.kiosk-name-input:focus { border-color: var(--accent); }
.station-tag { font-size: 12px; color: var(--muted); }

/* Lock mode */
body.locked .lock-hide { display: none !important; }
.lockbar {
  display: none; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 10px 8px 16px; margin-bottom: 4px;
}
body.locked .lockbar { display: flex; }
.lockbar .status { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.lockbar .status b { color: var(--text); }

/* PIN prompt overlay */
.overlay {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center; padding: 24px;
  background: rgba(6, 8, 18, .6); backdrop-filter: blur(4px);
}
.overlay.show { display: flex; }
.dialog {
  width: 100%; max-width: 340px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; text-align: center;
}
.dialog h3 { margin: 0 0 4px; }
.dialog p { color: var(--muted); margin: 0 0 16px; font-size: 14px; }
.dialog .pin { text-align: center; letter-spacing: 8px; font-size: 24px; }
.dialog .row { justify-content: center; margin-top: 16px; }