:root {
  --bg: #0d1226;
  --panel: #171d3a;
  --panel-2: #212950;
  --line: #2f3868;
  --text: #f3f5ff;
  --muted: #a4acd6;
  --teal: #19d3a2;
  --sun: #ffc145;
  --coral: #ff6b4a;
  --violet: #7c5cff;
  --bar-h: 60px;
}

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

html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ---------- top bar ---------- */

.bar {
  flex: none;
  min-height: var(--bar-h);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 8px 16px;
  background: linear-gradient(90deg, #1b2148, #241c52);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--teal), var(--sun), var(--coral), var(--violet)) 1;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: .2px; margin-right: 6px; }
.spacer { flex: 1; }
.count { color: var(--muted); font-size: 13px; }

.pick { display: flex; align-items: center; gap: 8px; }
.pick > span { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; }

select, input, textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  outline: none;
}
select:focus-visible, input:focus-visible, textarea:focus-visible, .btn:focus-visible, .tile:focus-visible {
  border-color: var(--sun);
  box-shadow: 0 0 0 3px rgba(255, 193, 69, .3);
  outline: none;
}
#viewSelect { min-width: 210px; font-weight: 600; }

.btn {
  font: inherit;
  font-weight: 700;
  color: var(--text);
  border: 1.5px solid transparent;
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  transition: transform .12s, filter .12s, background .12s;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: scale(.96); }
.btn.primary { background: linear-gradient(135deg, var(--coral), #ff8f3f); color: #1c0d05; }
.btn.ghost { background: var(--panel-2); border-color: var(--line); }
.btn.danger { background: transparent; border-color: #71304a; color: #ff9db5; }
.btn.big { font-size: 17px; padding: 13px 30px; }
.btn:disabled { opacity: .55; cursor: wait; }

.pager { display: flex; align-items: center; gap: 8px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pager .btn { padding: 4px 13px; font-size: 18px; line-height: 1.2; }

.banner { flex: none; padding: 9px 16px; background: #4a2a12; color: #ffd9a8; font-weight: 600; font-size: 14px; }
.banner code { background: rgba(0, 0, 0, .3); padding: 2px 7px; border-radius: 6px; }

/* ---------- wall ---------- */

#stage { flex: 1; min-height: 0; position: relative; }

.grid {
  height: 100%;
  display: grid;
  gap: 6px;
  padding: 6px;
}

.tile {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #05070f;
  border: 2px solid var(--panel-2);
  border-radius: 12px;
  cursor: zoom-in;
  transition: border-color .15s;
}
.tile:hover { border-color: var(--c, var(--teal)); }
.tile cam-player, .solo-body cam-player { display: block; width: 100%; height: 100%; }
.tile video, .solo-body video { width: 100%; height: 100%; object-fit: contain; background: #05070f; display: block; }

.tile-label {
  position: absolute;
  left: 8px;
  bottom: 8px;
  max-width: calc(100% - 16px);
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px 4px 8px;
  border-radius: 999px;
  background: rgba(10, 14, 32, .78);
  backdrop-filter: blur(6px);
  font-size: 13px;
  white-space: nowrap;
  pointer-events: none;
}
.tile-label b { overflow: hidden; text-overflow: ellipsis; }
.tile-label span { color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
.dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--c, var(--teal)); }

.tile-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .4px;
  pointer-events: none;
  background: repeating-linear-gradient(135deg, #0a0e20 0 14px, #0d1228 14px 28px);
}
.tile[data-state="live"] .tile-state { display: none; }
.tile[data-state="offline"] .tile-state { color: #ff9db5; }
.tile[data-state="connecting"] .tile-state::after {
  content: "";
  width: 22px;
  height: 22px;
  margin-left: 12px;
  border: 3px solid var(--line);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
.tile-state { grid-auto-flow: column; justify-content: center; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .tile-state::after { animation: none !important; } .btn { transition: none; } }

/* ---------- empty state ---------- */

.empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background:
    radial-gradient(520px 320px at 22% 28%, rgba(25, 211, 162, .16), transparent 70%),
    radial-gradient(520px 320px at 78% 70%, rgba(124, 92, 255, .2), transparent 70%);
}
.empty h1 { font-size: clamp(26px, 4vw, 40px); margin: 0 0 10px; }
.empty p { max-width: 520px; color: var(--muted); margin: 0 0 26px; font-size: 16px; }

/* ---------- single camera ---------- */

.solo { position: absolute; inset: 0; display: flex; flex-direction: column; background: var(--bg); }
.solo-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 10px; padding: 8px 16px; font-size: 16px; }
.pb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.pb .btn { padding: 6px 14px; font-size: 14px; }
.pb input { padding: 6px 10px; color-scheme: dark; }
.solo-head > span:not(.dot):not(.spacer) { color: var(--muted); }
.solo-body { flex: 1; min-height: 0; position: relative; margin: 0 6px 6px; border-radius: 12px; overflow: hidden; background: #05070f; }

/* ---------- dialogs ---------- */

dialog {
  width: min(560px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 22px;
  color: var(--text);
  background: var(--panel);
  border: 1.5px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
}
dialog::backdrop { background: rgba(5, 7, 15, .72); }
dialog h2 { margin: 0; font-size: 22px; }
.dlg-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }

.dvr-list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 8px; }
.dvr-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel-2);
  border-radius: 12px;
  border-left: 5px solid var(--c);
}
.dvr-list .meta { flex: 1; min-width: 0; }
.dvr-list .meta b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dvr-list .meta small { color: var(--muted); }
.dvr-list .btn { padding: 5px 13px; font-size: 13px; }
.dvr-list .none { border-left-color: var(--line); color: var(--muted); }

form { display: grid; gap: 13px; }
form label { display: grid; gap: 5px; font-weight: 600; font-size: 14px; }
form label small { font-weight: 400; color: var(--muted); }
form input, form select, form textarea { width: 100%; }
form textarea { resize: vertical; font-family: Consolas, ui-monospace, monospace; font-size: 13px; }
#brandFields, #customFields { display: grid; gap: 13px; }
form label.check { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; background: var(--panel-2); border-radius: 12px; cursor: pointer; }
form label.check input { width: 18px; height: 18px; margin-top: 2px; flex: none; accent-color: var(--teal); }
form label.check small { display: block; }
.ddns { flex-basis: 100%; margin-top: 8px; padding: 10px 12px; background: var(--bg); border-radius: 10px; font-size: 13px; }
.ddns summary { cursor: pointer; font-weight: 700; color: var(--sun); }
.ddns dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 10px 0 0; }
.ddns dt { color: var(--muted); }
.ddns dd { margin: 0; font-family: Consolas, ui-monospace, monospace; word-break: break-all; user-select: all; }
.ddns p { margin: 10px 0 0; color: var(--muted); }
.dvr-list li { flex-wrap: wrap; }
.row { display: flex; gap: 12px; }
.row .grow { flex: 1; min-width: 0; }
.row label:not(.grow) { width: 120px; }
.hint { margin: 0; color: var(--muted); font-size: 13px; }
.error { margin: 0; padding: 9px 12px; border-radius: 10px; background: #4a1830; color: #ffc2d1; font-weight: 600; font-size: 14px; }
.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }

@media (max-width: 640px) {
  .brand span, .pick > span, .count, #fullscreenBtn { display: none; }
  #viewSelect { min-width: 0; max-width: 46vw; }
  .row { flex-direction: column; }
  .row label:not(.grow) { width: auto; }
}