:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #20242d;
  --line: #262a33;
  --text: #e8eaef;
  --muted: #9aa1ad;
  --accent: #3a86ff;
  --live: #2fbf71;
  --warn: #e3a72f;
  --down: #e5534b;
  --radius: 12px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---------- buttons ---------- */
.btn {
  appearance: none;
  border: 1px solid #2c313c;
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 13px;
  border-radius: 8px;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
}
.btn:hover { background: #2a2f3a; }
.btn:focus-visible, .seg-btn:focus-visible, .thumb:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.small { padding: 5px 10px; font-size: .85rem; }
.btn.icon { font-size: 1.15rem; line-height: 1; padding: 7px 13px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.primary:hover { background: #2f74e0; }
.btn[aria-pressed="true"] { border-color: var(--live); color: var(--live); }
.btn.danger { border-color: rgba(229, 83, 75, .5); color: #ff8a84; }
.btn.danger:hover { background: rgba(229, 83, 75, .15); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.seg { display: inline-flex; border: 1px solid #2c313c; border-radius: 8px; overflow: hidden; }
.seg-btn {
  appearance: none;
  border: 0;
  background: var(--panel-2);
  color: var(--muted);
  padding: 8px 13px;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
}
.seg-btn + .seg-btn { border-left: 1px solid #2c313c; }
.seg-btn[aria-pressed="true"] { background: var(--accent); color: #fff; }
.seg-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- login ---------- */
.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  width: min(100%, 360px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}
.login-card h1 { margin: 12px 0 4px; font-size: 1.4rem; }
.login-sub { margin: 0 0 18px; color: var(--muted); }
.login-card form { display: grid; gap: 6px; text-align: left; }
.login-card label { font-size: .85rem; color: var(--muted); margin-top: 8px; }
.login-card input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid #2c313c;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 16px; /* stops iPhone zooming in */
}
.login-card input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.login-card .btn.primary { margin-top: 16px; padding: 11px; font-size: 1rem; }
.login-error {
  margin: 0 0 8px;
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(229, 83, 75, .12);
  color: #ff8a84;
  font-size: .9rem;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: rgba(15, 17, 21, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { margin: 0; font-size: 1.15rem; font-weight: 650; }
.meta { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .9rem; }
.meta form { margin: 0; }

.hint { margin: 12px 16px 0; color: var(--muted); font-size: .9rem; }

/* ---------- thumbnails ---------- */
.grid {
  display: grid;
  gap: 12px;
  padding: 12px 16px 24px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
}
.thumb {
  appearance: none;
  display: block;
  width: 100%;
  padding: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.thumb:hover { border-color: #3a4050; transform: translateY(-1px); }
.thumb-img {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  display: grid;
  place-items: center;
}
.thumb-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-none { color: var(--muted); font-size: .9rem; }
.thumb-play {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .65);
  font-size: .8rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity .15s;
}
.thumb:hover .thumb-play, .thumb:focus-visible .thumb-play { opacity: 1; }
@media (hover: none) { .thumb-play { opacity: 1; } }
.thumb-meta { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px 12px; }
.thumb-meta .name { font-weight: 600; }
.thumb-meta .time { color: var(--muted); font-size: .85rem; }
.thumb-meta .down { color: #ff8a84; font-size: .85rem; font-weight: 600; }

/* Online / Offline badge */
.cam-state {
  position: absolute;
  top: 10px;
  left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  background: rgba(0, 0, 0, .65);
}
.cam-state::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.cam-state[data-state="online"]  { color: var(--live); }
.cam-state[data-state="offline"] { color: var(--down); }

/* Offline camera: dim the last picture and say so */
.thumb-offline { display: none; }
.thumb.offline { border-color: rgba(229, 83, 75, .45); }
.thumb.offline .thumb-img img { filter: grayscale(1) brightness(.4); }
.thumb.offline .thumb-offline {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #ff8a84;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-shadow: 0 2px 6px #000;
}

.empty { text-align: center; color: var(--muted); padding: 60px 20px; }

/* ---------- live viewer ---------- */
.viewer {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  background: #000;
}
.viewer-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: calc(8px + env(safe-area-inset-top)) 12px 8px;
  background: var(--panel);
}
.viewer-bar h2 { flex: 1; margin: 0; font-size: 1.05rem; min-width: 8ch; }
.viewer-controls { display: flex; flex-wrap: wrap; gap: 6px; }
.viewer-stage { position: relative; flex: 1; display: flex; min-height: 0; }

cam-player { display: block; flex: 1; height: 100%; background: #000; }
cam-player video { object-fit: contain; }

.status {
  position: absolute;
  top: 12px;
  right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  background: rgba(0, 0, 0, .6);
  color: var(--muted);
}
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.status[data-state="live"]       { color: var(--live); }
.status[data-state="connecting"],
.status[data-state="reconnecting"] { color: var(--warn); }
.status[data-state="offline"]    { color: var(--down); }
.status[data-state="live"]::before { animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }

.notice {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 11;
  max-width: calc(100% - 32px);
  margin: 0;
  padding: 10px 16px;
  border-radius: 10px;
  background: rgba(24, 27, 34, .95);
  border: 1px solid #2c313c;
  text-align: center;
  font-size: .9rem;
}

@media (max-width: 560px) {
  .summary, .user { display: none; }
  .grid { padding: 10px; gap: 10px; }
  .hint { margin: 10px 12px 0; }
  .viewer-controls { width: 100%; }
}