/* ============================================================
   Sistema de Vigilância — sistema visual
   Identidade construída a partir das cores do próprio brasão da GNR
   (verde heráldico, dourado, prateado) — não uma paleta genérica de SaaS.
   Tema único, escuro por desenho: profundidade e sobriedade institucional.
   ============================================================ */

@font-face {
  font-family: 'Fraunces';
  src: url('/static/fonts/fraunces-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/static/fonts/fraunces-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces';
  src: url('/static/fonts/fraunces-500-italic.woff2') format('woff2');
  font-weight: 500;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/static/fonts/plexsans-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/static/fonts/plexsans-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/static/fonts/plexsans-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/static/fonts/plexmono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/static/fonts/plexmono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  /* ---- cor: derivada do brasão ---- */
  --bg: #0E1712;
  --bg-elevated: #121D17;
  --surface: #16211A;
  --surface-2: #1C2921;
  --surface-hover: #22302697;
  --line: #2A362E;
  --line-strong: #3C4B41;

  --ink: #F1ECDC;
  --ink-dim: #CFC9B4;
  --muted: #93917E;

  --gold: #C9A34E;
  --gold-bright: #E4C374;
  --gold-ink: #21190A;

  --green-accent: #4B8266;
  --green-accent-bright: #6BA687;

  --danger: #C2564A;
  --danger-bright: #DE7A6E;
  --success: #5C9C74;

  --focus-ring: #E4C37499;

  /* ---- tipografia ---- */
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-sans: 'IBM Plex Sans', -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;

  /* ---- espaçamento ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --radius-sm: 3px;
  --radius-md: 6px;

  --shadow-card: 0 1px 2px rgba(0,0,0,0.35), 0 12px 32px -16px rgba(0,0,0,0.55);
  --shadow-lifted: 0 4px 8px rgba(0,0,0,0.4), 0 24px 48px -20px rgba(0,0,0,0.65);

  color-scheme: dark;
}

/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-bright); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; }
::selection { background: var(--gold); color: var(--gold-ink); }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.body-muted { color: var(--muted); }

/* ============================================================
   Fundo com textura sutil — evita a sensação plana/barata de uma
   cor sólida única. Um véu radial muito ténue, ecoando o brilho
   do brasão, mais um grão finíssimo.
   ============================================================ */
.ambient-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 900px 560px at 50% -8%, #2C4536 0%, transparent 60%),
    radial-gradient(ellipse 1200px 800px at 85% 110%, #1A2B21 0%, transparent 55%),
    var(--bg);
}

/* ============================================================
   Cabeçalho / navegação — presente em todas as páginas internas
   ============================================================ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: calc(var(--space-3) + env(safe-area-inset-top)) calc(var(--space-6) + env(safe-area-inset-right)) var(--space-3) calc(var(--space-6) + env(safe-area-inset-left));
  background: rgba(14, 23, 18, 0.82);
  backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}
.brand img {
  height: 40px;
  width: auto;
  flex-shrink: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}
.brand-text .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-text .tagline {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-dim);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  touch-action: manipulation;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.main-nav a:hover {
  color: var(--ink);
  background: var(--surface-2);
}
.main-nav a.active {
  color: var(--gold-bright);
  border-color: var(--line-strong);
  background: var(--surface);
}
.main-nav a.logout {
  color: var(--muted);
}
.main-nav a.logout:hover {
  color: var(--danger-bright);
}
.nav-divider {
  width: 1px;
  height: 22px;
  background: var(--line-strong);
  margin: 0 var(--space-1);
}

/* ============================================================
   Contentor principal
   ============================================================ */
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-7) var(--space-6) var(--space-9);
}
.page-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.page-head h1 { font-size: 1.9rem; }

/* ============================================================
   Cartões / painéis — bordas finas + elevação subtil, sem
   "rounded-lg" genérico em todo o lado.
   ============================================================ */
.panel {
  background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--line);
}
.panel-header h2 {
  font-size: 1.05rem;
  font-weight: 600;
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}
.panel-body { padding: var(--space-5); }

/* ============================================================
   Botões
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.65rem 1.15rem;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  touch-action: manipulation;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: var(--gold-ink);
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 8px 20px -10px #C9A34E80;
}
.btn-primary:hover { filter: brightness(1.06); }

.btn-secondary {
  background: var(--surface-2);
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-secondary:hover { background: var(--surface-hover); border-color: var(--gold); }

.btn-ghost {
  background: transparent;
  color: var(--ink-dim);
  border-color: var(--line-strong);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--gold); }

.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ============================================================
   Formulários
   ============================================================ */
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field + .field { margin-top: var(--space-4); }
.field label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink-dim);
}
.input, input[type="text"], input[type="password"], input[type="datetime-local"] {
  font-family: var(--font-sans);
  /* 16px mínimo: evita que o Safari/iOS dê zoom automático ao focar o campo */
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input::placeholder { color: var(--muted); }
.input:focus, input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: invert(1) brightness(1.4);
  cursor: pointer;
}

.form-message {
  font-size: 0.85rem;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid;
}
.form-message.error {
  color: var(--danger-bright);
  background: #C2564A14;
  border-color: #C2564A40;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--ink-dim);
}
.checkbox-row input { accent-color: var(--gold); width: 16px; height: 16px; }

/* ============================================================
   Página de login
   ============================================================ */
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-6);
}
.login-composition {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.login-crest {
  width: clamp(140px, 30vw, 200px);
  height: auto;
  margin-bottom: var(--space-5);
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.55));
}
.login-heading {
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  margin-bottom: var(--space-1);
}
.login-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--gold-bright);
  font-size: 1rem;
  margin-bottom: var(--space-6);
}
.login-panel {
  width: 100%;
  padding: var(--space-6) var(--space-6);
  text-align: left;
}
.login-panel .btn-primary { margin-top: var(--space-5); }
.login-footnote {
  margin-top: var(--space-5);
  font-size: 0.76rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: center;
}
.login-footnote svg { flex-shrink: 0; opacity: 0.8; }

/* ============================================================
   Stream ao vivo
   ============================================================ */
.stream-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-6);
  align-items: start;
}
.stream-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #000;
  box-shadow: var(--shadow-lifted);
}
.stream-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  cursor: zoom-in;
}
.stream-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(14,23,18,0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.stream-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--danger-bright);
  box-shadow: 0 0 0 3px #C2564A33;
  animation: pulse 2s ease-in-out infinite;
}

.quality-toggle {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(14,23,18,0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-dim);
  cursor: pointer;
  touch-action: manipulation;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.quality-toggle:hover { color: var(--ink); }
.quality-toggle[aria-pressed="true"] {
  color: var(--gold-bright);
  border-color: var(--gold);
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
@media (prefers-reduced-motion: reduce) {
  .stream-badge .dot { animation: none; }
}

.side-stack { display: flex; flex-direction: column; gap: var(--space-5); }

.stat-row { display: flex; gap: var(--space-4); }
.stat {
  flex: 1;
  padding: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}
.stat .n {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-variant-numeric: tabular-nums;
  color: var(--gold-bright);
}
.stat .l {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.2rem;
}

/* ============================================================
   Galeria de vídeos
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
}
.video-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.video-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.video-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #000;
  cursor: pointer;
  overflow: hidden;
}
.video-thumb video, .video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.video-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.65) 100%);
  pointer-events: none;
}
.play-affordance {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.video-card:hover .play-affordance { opacity: 1; }
.play-affordance svg {
  width: 44px; height: 44px;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.6));
}
.video-meta {
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.video-meta .stamp {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1 1 auto;
  min-width: 0;
}
.video-meta input[type="checkbox"] { accent-color: var(--gold); width: 16px; height: 16px; flex-shrink: 0; }
.btn-delete-video {
  flex-shrink: 0;
  padding: 0.3em 0.65em;
  font-size: 0.72rem;
}

.empty-state {
  text-align: center;
  padding: var(--space-9) var(--space-6);
  color: var(--muted);
}
.empty-state .eyebrow { display: block; margin-bottom: var(--space-2); }

/* ============================================================
   Modal de vídeo em ecrã inteiro
   ============================================================ */
.fullscreen-container {
  display: none;
  position: fixed; inset: 0;
  z-index: 100;
  background: rgba(6, 10, 8, 0.92);
  backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.fullscreen-container.open { display: flex; }
.fullscreen-container video,
.fullscreen-container img {
  max-width: 100%;
  max-height: 88vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lifted);
}
.close-btn {
  position: absolute;
  top: calc(var(--space-5) + env(safe-area-inset-top));
  right: calc(var(--space-6) + env(safe-area-inset-right));
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  display: flex; align-items: center; justify-content: center;
}
.close-btn:hover { border-color: var(--gold); color: var(--gold-bright); }

/* ============================================================
   Rodapé
   ============================================================ */
.app-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) calc(var(--space-6) + env(safe-area-inset-bottom));
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 900px) {
  .stream-grid { grid-template-columns: 1fr; }
  .side-stack { flex-direction: row; flex-wrap: wrap; }
  .side-stack > * { flex: 1 1 260px; }
}
@media (max-width: 640px) {
  .app-header { padding: var(--space-3) var(--space-4); flex-wrap: wrap; }
  .brand img { height: 32px; }
  .brand-text .tagline { display: none; }
  .main-nav { gap: 0; }
  .main-nav a { padding: var(--space-2); font-size: 0.8rem; }
  .page { padding: var(--space-5) var(--space-4) var(--space-8); }
  .page-head h1 { font-size: 1.5rem; }
  .stat-row { flex-direction: column; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--space-3); }
  .login-panel { padding: var(--space-5) var(--space-4); }
  .video-meta input[type="checkbox"] { width: 20px; height: 20px; }
  .checkbox-row input { width: 20px; height: 20px; }
}