/* Guest UI for lock.paavo.ch — visual language taken from demo/index.html. */
:root {
  color-scheme: light dark;
  --bg: #eef1f6;
  --panel-bg: #ffffff;
  --text: #11151b;
  --muted: #5b6472;
  --border: #dde2e9;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --success: #15803d;
  --success-bg: #dcfce7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --warning: #b45309;
  --warning-bg: #fef3c7;
  --radius-md: 14px;
  --radius-sm: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0f14;
    --panel-bg: #181d26;
    --text: #eef1f6;
    --muted: #9aa4b5;
    --border: #2a3140;
    --accent: #3b82f6;
    --accent-text: #0b1220;
    --success: #4ade80;
    --success-bg: #0f2e1c;
    --danger: #f87171;
    --danger-bg: #3a1414;
    --warning: #fbbf24;
    --warning-bg: #3a2a0a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
button { font-family: inherit; }

.wrap {
  max-width: 440px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px max(32px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.head { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 0 4px; }
.head h1 { margin: 0; font-size: 22px; font-weight: 800; }
.logo { width: 34px; height: 34px; }
#app { display: flex; flex-direction: column; gap: 14px; }

.icon { display: inline-flex; width: 1em; height: 1em; }
.icon svg { width: 100%; height: 100%; }
.spin { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.card {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.lead { text-align: center; color: var(--muted); font-size: 15px; margin: 0; }
.headline { font-weight: 600; margin: 0; }
.small { font-size: 13px; }
.muted { color: var(--muted); }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-block { width: 100%; }
.btn .icon { width: 18px; height: 18px; }

.banner {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.45;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid transparent;
}
.banner .icon { width: 18px; height: 18px; flex: none; margin-top: 1px; }
.banner-danger { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.banner-warn { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
.banner-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }

/* PIN keypad: large and one-handed, it is used in front of a door, often in the dark. */
.pin-dots { display: flex; gap: 14px; justify-content: center; margin: 4px 0; }
.pin-dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--muted); }
.pin-dot.filled { background: var(--accent); border-color: var(--accent); }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.key-btn {
  height: 68px;
  border-radius: 18px;
  font-size: 26px;
  font-weight: 700;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  touch-action: manipulation;
}
.key-btn:active { background: var(--accent); color: var(--accent-text); }
.key-btn.func { font-size: 14px; font-weight: 600; color: var(--muted); }
.key-btn:disabled { opacity: 0.4; }

.tiles { display: flex; gap: 12px; }
.tile {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 10px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: var(--panel-bg);
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  touch-action: manipulation;
}
.tile .icon { width: 30px; height: 30px; }
.tile.unlock { border-color: var(--success); color: var(--success); }
.tile.lock { border-color: var(--accent); color: var(--accent); }

.spinner-block { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 28px 10px; }
.spinner-block .icon { width: 36px; height: 36px; color: var(--accent); }

.result { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 12px 4px; }
.result .circle { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.result .circle .icon { width: 30px; height: 30px; }
.result .circle.ok { background: var(--success-bg); color: var(--success); }
.result .circle.warn { background: var(--warning-bg); color: var(--warning); }
.result .circle.err { background: var(--danger-bg); color: var(--danger); }
.result .title { font-weight: 800; font-size: 18px; }

.ts { display: flex; justify-content: center; }

/* ---------- admin ---------- */
.wrap-wide { max-width: 720px; }
.head-row { flex-direction: row; justify-content: flex-start; gap: 10px; }
.head-row h1 { font-size: 18px; }
.head-row #who { margin-left: auto; }
.logo-sm { width: 28px; height: 28px; }
h2 { font-size: 16px; margin: 0; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
.field input, .msg {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 15px;
  font-family: inherit;
  width: 100%;
}
.msg { min-height: 210px; font-size: 13px; resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .grid2 { grid-template-columns: 1fr; } }
.segmented { display: flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.segmented button {
  flex: 1 1 0; border: 0; background: var(--panel-bg); color: var(--muted);
  padding: 10px 6px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.segmented button + button { border-left: 1px solid var(--border); }
.segmented button.on { background: var(--accent); color: var(--accent-text); }
.btn-sm { padding: 7px 10px; font-size: 13px; }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.list { display: flex; flex-direction: column; gap: 10px; }
.grant { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.grant .top { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.grant .name { font-weight: 700; }
.badge { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.b-active { background: var(--success-bg); color: var(--success); }
.b-grace, .b-not_yet { background: var(--warning-bg); color: var(--warning); }
.b-blocked { background: var(--danger-bg); color: var(--danger); }
.b-expired, .b-revoked { background: var(--border); color: var(--muted); }
.cred { display: flex; gap: 8px; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; }
.cred code { flex: 1 1 auto; overflow-x: auto; white-space: nowrap; font-size: 13px; }
.cred .pin { font-size: 22px; font-weight: 800; letter-spacing: 0.15em; }
.log { display: flex; flex-direction: column; font-size: 13px; }
.log .ev { border-bottom: 1px solid var(--border); }
.log .ev:last-child { border-bottom: 0; }
.log .ev > summary { display: grid; grid-template-columns: 92px 1fr auto; gap: 8px; padding: 6px 0; cursor: pointer; list-style: none; margin: 0; }
.log .ev > summary::-webkit-details-marker { display: none; }
.ev-detail { display: grid; grid-template-columns: 90px 1fr; gap: 2px 10px; margin: 0 0 8px; padding: 8px 10px; background: var(--bg); border-radius: var(--radius-sm); font-size: 12px; }
.ev-detail dt { color: var(--muted); }
.ev-detail dd { margin: 0; word-break: break-all; }
.row input { flex: 1 1 120px; }
.ok { color: var(--success); }
.bad { color: var(--danger); }
details > summary { cursor: pointer; margin-top: 6px; }
.pin-inline { font-size: 16px; letter-spacing: 0.12em; color: var(--text); }