:root {
  --bg: #0b0d12;
  --panel: #151822;
  --panel-2: #1c2030;
  --border: #2a2f42;
  --text: #eef0f5;
  --muted: #9aa1b5;
  --accent: #4f7cff;
  --accent-hover: #3c66e6;
  --danger: #e5484d;
  --success: #30a46c;
  --radius: 12px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-user-select: none;
  user-select: none;
}

img, video { -webkit-user-drag: none; }

a { color: var(--accent); }

.center-screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
}

.card h1 {
  font-size: 1.6rem;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}

.card .subtitle {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 0.95rem;
}

.field {
  text-align: left;
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="text"], input[type="password"] {
  width: 100%;
  padding: 14px 16px;
  font-size: 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  -webkit-user-select: text;
  user-select: text;
}

input[type="text"]:focus, input[type="password"]:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

button, .btn {
  width: 100%;
  padding: 14px 16px;
  font-size: 1.05rem;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s ease;
}

button:hover, .btn:hover { background: var(--accent-hover); }
button:active, .btn:active { transform: translateY(1px); }

.btn-secondary { background: var(--panel-2); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); }

.message {
  background: rgba(229, 72, 77, 0.12);
  border: 1px solid rgba(229, 72, 77, 0.4);
  color: #ffb4b6;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.footer-note {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.8rem;
}

.copyright-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.72rem;
}

.admin-login-link {
  margin-top: 18px;
  font-size: 0.8rem;
}
.admin-login-link a { color: var(--muted); text-decoration: none; border-bottom: 1px dotted var(--border); }
.admin-login-link a:hover { color: var(--text); }

.home-footer {
  flex: 0 0 auto;
  text-align: center;
  padding: 6px 12px;
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--panel);
  border-top: 1px solid var(--border);
}

.audio-overlay {
  position: absolute; inset: 0; z-index: 5;
  background: var(--panel);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; text-align: center; padding: 24px;
  transition: opacity 0.2s ease;
}
.audio-overlay.peeking { opacity: 0.06; pointer-events: none; }
.audio-overlay-icon { font-size: 2.4rem; }
.audio-overlay-title { font-size: 1.1rem; font-weight: 600; }
.audio-overlay-sub { color: var(--muted); font-size: 0.85rem; max-width: 320px; }
.audio-overlay button { width: auto; padding: 10px 22px; }

/* ---------- Home / iframe page ---------- */

.home-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.home-header .its {
  font-size: 0.85rem;
  color: var(--muted);
}

.signal-indicator {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: var(--muted);
}
.signal-dot {
  width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto;
  background: var(--muted);
}
.signal-dot.signal-good { background: #4cd88a; box-shadow: 0 0 0 3px rgba(76,216,138,0.15); }
.signal-dot.signal-fair { background: #f5c451; box-shadow: 0 0 0 3px rgba(245,196,81,0.15); }
.signal-dot.signal-poor, .signal-dot.signal-offline { background: #ff8f92; box-shadow: 0 0 0 3px rgba(255,143,146,0.15); }
.signal-dot.signal-unauthorized, .signal-dot.signal-unavailable, .signal-dot.signal-unknown { background: var(--muted); }

.home-header form { width: auto; }
.home-header button {
  width: auto;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.iframe-wrap {
  flex: 1 1 auto;
  position: relative;
  background: #000;
}

.iframe-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Admin ---------- */

.admin-shell { max-width: 1100px; margin: 0 auto; padding: 24px 16px 60px; }
.admin-shell, .admin-shell * { -webkit-user-select: text; user-select: text; }

.admin-topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}

.admin-topbar h1 { font-size: 1.3rem; margin: 0; }
.admin-nav { display: flex; gap: 10px; flex-wrap: wrap; }
.admin-nav a, .admin-nav button {
  width: auto; padding: 8px 14px; font-size: 0.9rem;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); text-decoration: none; cursor: pointer;
}

.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 24px;
}

.panel h2 { font-size: 1.05rem; margin: 0 0 14px; }

a.panel { display: block; transition: border-color 0.15s ease, transform 0.1s ease; }
a.panel:hover { border-color: var(--accent, #4f7cff); transform: translateY(-1px); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }

.table-scroll { overflow-x: auto; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.pill-on { background: rgba(48,164,108,0.15); color: #4cd88a; }
.pill-off { background: rgba(229,72,77,0.15); color: #ff8f92; }
.pill-live { background: rgba(79,124,255,0.15); color: #8fabff; }

.upload-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.upload-row input[type="file"] { color: var(--text); }
.upload-row button { width: auto; padding: 10px 18px; }

.inline-form { display: inline; }

.toggle-btn { width: auto; padding: 6px 12px; font-size: 0.82rem; }

.settings-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.settings-form input[type="text"] { flex: 1 1 320px; }
.settings-form button { width: auto; padding: 10px 18px; }

.upload-summary { color: var(--success); font-size: 0.88rem; margin-top: 10px; }

.perf-value { font-size: 1.4rem; font-weight: 700; line-height: 1.2; }

.global-access-panel {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.global-access-panel.is-off { border-color: rgba(229,72,77,0.5); background: rgba(229,72,77,0.06); }
.toggle-switch {
  position: relative; display: inline-block; width: 46px; height: 26px; flex: 0 0 auto;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-switch .slider {
  position: absolute; cursor: pointer; inset: 0; background: var(--danger);
  border-radius: 999px; transition: background 0.15s ease;
}
.toggle-switch .slider::before {
  content: ""; position: absolute; height: 20px; width: 20px; left: 3px; top: 3px;
  background: white; border-radius: 50%; transition: transform 0.15s ease;
}
.toggle-switch input:checked + .slider { background: var(--success); }
.toggle-switch input:checked + .slider::before { transform: translateX(20px); }
.toggle-row { display: flex; align-items: center; gap: 12px; }
.toggle-row .label { font-size: 0.92rem; }
.toggle-row .sublabel { font-size: 0.78rem; color: var(--muted); }

@media (max-width: 560px) {
  .card { padding: 26px 20px; }
}

/* Applied only when running inside the native Android/iOS app shell (see
   _admin-pwa-install.ejs, which sets this class on <html> after detecting
   window.Capacitor). Never affects the regular browser experience. */
html.in-native-app body {
  overscroll-behavior-y: contain; /* stops the rubber-band/bounce feel on scroll edges */
  -webkit-tap-highlight-color: transparent; /* removes Android's gray flash on tap */
}
html.in-native-app .admin-shell {
  padding-top: max(20px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
}
html.in-native-app button,
html.in-native-app .toggle-btn,
html.in-native-app .btn-secondary,
html.in-native-app .btn-danger {
  min-height: 40px; /* comfortably tappable with a thumb */
}