:root {
  --night: #141A24;   /* rua a noite */
  --panel: #1E2633;
  --line: #2E3847;
  --lamp: #F3A53B;    /* poste de sodio: acoes e selecao */
  --lamp-deep: #B8741C;
  --chalk: #E4E1DA;
  --mist: #8C96A6;
  --rec: #E0524A;     /* so o ponto de gravacao */
  --body: 'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --cond: 'Barlow Condensed', 'Arial Narrow', system-ui, sans-serif;
  --gutter: max(16px, env(safe-area-inset-left));
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--night);
  color: var(--chalk);
  font: 400 16px/1.45 var(--body);
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}
[hidden] { display: none !important; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--lamp); outline-offset: 2px; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }

.brand {
  margin: 0;
  font: 700 22px/1 var(--cond);
  letter-spacing: .01em;
}

/* ---- botoes ---- */
.btn {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 500;
  font-size: 15px;
  white-space: nowrap;
}
.btn:hover { border-color: var(--mist); }
.btn[aria-pressed="true"] { border-color: var(--lamp); color: var(--lamp); }
.btn-lamp { background: var(--lamp); border-color: var(--lamp); color: #1A1204; font-weight: 600; padding: 12px 18px; }
.btn-lamp:hover { background: #F7B85E; }
.btn:disabled { opacity: .45; cursor: default; }

/* ---- login ---- */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 24px var(--gutter); }
.login-box { width: min(360px, 100%); display: grid; gap: 12px; }
.login-box .brand { font-size: 34px; margin-bottom: 20px; }
.field { color: var(--mist); font-size: 15px; }
.login-box input {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 17px;
}
.form-error { min-height: 1.45em; margin: 0; color: #F08A83; }

/* ---- estrutura ---- */
.app { padding: 0 var(--gutter) max(24px, env(safe-area-inset-bottom)); max-width: 1280px; margin: 0 auto; }
.top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px;
  padding-block: max(14px, env(safe-area-inset-top)) 14px;
}
.rec-status { margin: 0; color: var(--mist); font-size: 15px; display: flex; align-items: center; gap: 8px; }
.rec-status::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--mist); }
.rec-status.on::before { background: var(--rec); box-shadow: 0 0 0 4px rgba(224, 82, 74, .18); }
.tabs { margin-left: auto; display: flex; gap: 4px; background: var(--panel); border-radius: 999px; padding: 4px; }
.tabs button { border: 0; background: transparent; border-radius: 999px; padding: 6px 14px; color: var(--mist); font-weight: 500; }
.tabs button[aria-selected="true"] { background: var(--night); color: var(--chalk); }

/* ---- ao vivo ---- */
.live { display: grid; gap: 18px; }
.live > *, .rec > * { min-width: 0; } /* itens de grid nao podem crescer alem da tela */
@media (min-width: 960px) {
  .live { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
}
.screen { position: relative; background: #0A0E14; border-radius: 12px; overflow: hidden; aspect-ratio: 16 / 9; }
.screen video { width: 100%; height: 100%; object-fit: contain; display: block; background: #0A0E14; }
.screen-msg { position: absolute; inset: auto 0 0; margin: 0; padding: 10px 14px; color: var(--mist); font-size: 14px; background: linear-gradient(transparent, rgba(10, 14, 20, .9)); }

.thumbs { display: flex; gap: 10px; margin-top: 10px; overflow-x: auto; padding-bottom: 4px; }
.thumb {
  flex: 0 0 auto; width: 148px; border: 0; padding: 0; background: none; text-align: left;
  color: var(--mist); font: 500 15px/1.2 var(--cond);
}
.thumb img, .thumb .ph { display: block; width: 148px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; background: var(--panel); margin-bottom: 6px; outline: 2px solid transparent; outline-offset: -2px; }
.thumb[aria-current="true"] { color: var(--chalk); }
.thumb[aria-current="true"] img, .thumb[aria-current="true"] .ph { outline-color: var(--lamp); }

.deck { display: grid; gap: 22px; }
.cam-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.cam-name { margin: 0; font: 600 26px/1.1 var(--cond); }
.cam-actions { display: flex; flex-wrap: wrap; gap: 6px; }

/* botao falar: grade de alto-falante de porteiro eletronico */
.talk { display: grid; justify-items: center; gap: 10px; padding: 8px 0 4px; }
.talk-btn {
  --size: 152px;
  width: var(--size); height: var(--size); border-radius: 50%;
  border: 1px solid #3A4557;
  background:
    radial-gradient(circle, #0C1017 1.6px, transparent 2.2px) 0 0 / 12px 12px,
    radial-gradient(circle at 35% 30%, #2C3647, #1A212C 70%);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, .06), 0 10px 30px rgba(0, 0, 0, .35);
  display: grid; place-items: center;
  touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
  transition: box-shadow .15s ease, border-color .15s ease;
}
.talk-label {
  background: var(--night); padding: 4px 10px; border-radius: 999px;
  font: 600 16px/1.2 var(--cond); color: var(--chalk);
}
.talk-btn[data-state="connecting"] { border-color: var(--lamp-deep); }
.talk-btn[data-state="talking"] {
  border-color: var(--lamp);
  box-shadow: 0 0 0 6px rgba(243, 165, 59, .22), 0 0 44px rgba(243, 165, 59, .35);
}
.talk-btn[data-state="talking"] .talk-label { background: var(--lamp); color: #1A1204; }
.talk-btn:disabled { opacity: .4; cursor: default; }
.hint { margin: 0; color: var(--mist); font-size: 14px; text-align: center; max-width: 34ch; }

.controls { display: grid; gap: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.control { display: grid; gap: 10px; }
.control-name { color: var(--mist); font-size: 15px; }
.dpad { display: grid; grid-template-columns: repeat(3, 52px); grid-template-rows: repeat(3, 52px); gap: 4px; justify-content: start; }
.dpad button {
  border: 1px solid var(--line); background: var(--panel); border-radius: 10px;
  display: grid; place-items: center; touch-action: none; user-select: none; -webkit-user-select: none;
}
.dpad button:active, .dpad button.moving { border-color: var(--lamp); color: var(--lamp); }
.dpad [data-ptz="DirectionUp"] { grid-area: 1 / 2; }
.dpad [data-ptz="DirectionLeft"] { grid-area: 2 / 1; }
.dpad [data-ptz="DirectionRight"] { grid-area: 2 / 3; }
.dpad [data-ptz="DirectionDown"] { grid-area: 3 / 2; }
.segmented { display: flex; background: var(--panel); border-radius: 10px; padding: 3px; }
.segmented button { flex: 1; border: 0; background: transparent; border-radius: 8px; padding: 8px 6px; color: var(--mist); }
.segmented button[aria-checked="true"] { background: var(--night); color: var(--lamp); }
.slider { display: grid; grid-template-columns: auto minmax(0, 1fr) 3.2ch; align-items: center; gap: 10px; color: var(--mist); font-size: 15px; }
.slider output { color: var(--chalk); text-align: right; font-variant-numeric: tabular-nums; }
input[type="range"] { accent-color: var(--lamp); width: 100%; }
.control-danger { justify-items: start; }
.control-danger .btn { color: #F08A83; }

/* ---- gravacoes ---- */
.rec { display: grid; gap: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { border: 1px solid var(--line); background: transparent; border-radius: 999px; padding: 7px 14px; font: 600 17px/1.1 var(--cond); color: var(--mist); }
.chips button[aria-checked="true"] { border-color: var(--lamp); color: var(--chalk); }
.player { display: grid; gap: 10px; }
.player-bar { display: grid; gap: 10px; }
@media (min-width: 720px) { .player-bar { grid-template-columns: minmax(0, 1fr) minmax(240px, 380px) auto; align-items: center; } }
.player-title { margin: 0; font: 600 20px/1.2 var(--cond); }
.rec-day { margin: 8px 0 4px; font: 600 19px/1.2 var(--cond); color: var(--mist); }
.rec-row {
  display: grid; grid-template-columns: 5.5ch minmax(0, 1fr) auto; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.rec-time { font: 600 20px/1 var(--cond); font-variant-numeric: tabular-nums; }
.rec-meta { color: var(--mist); font-size: 14px; }
.rec-meta .now { color: var(--rec); }
.rec-row .btns { display: flex; gap: 6px; }
@media (max-width: 480px) {
  .rec-row { grid-template-columns: 5.5ch minmax(0, 1fr); row-gap: 8px; }
  .rec-row .btns { grid-column: 2; }
}
.rec-empty { color: var(--mist); }

.toast {
  position: fixed; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  margin: 0; background: var(--chalk); color: var(--night); padding: 10px 16px; border-radius: 10px;
  font-weight: 500; max-width: calc(100vw - 32px); box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}