:root {
  --bg: #000000;
  --panel: #0a0616;
  --panel-2: #12091f;
  --accent: #ff00ff;      /* K-Dawgg magenta */
  --accent-2: #00ffff;    /* K-Dawgg cyan */
  --danger: #ff2e6a;
  --text: #d6faff;
  --muted: #6fb8c4;
  --ok: #00ffb3;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background: linear-gradient(270deg, #000000, #050012, #000000);
  background-size: 600% 600%;
  animation: bgShift 20s ease infinite;
  color: var(--text);
  font-family: 'Orbitron', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
@keyframes bgShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.screen { height: 100vh; width: 100vw; }

/* The `hidden` attribute must win over the display rules below
   (ID selectors like #join-screen/#room-screen otherwise override
   the browser default [hidden]{display:none}). */
[hidden] { display: none !important; }

/* ---- K-Dawgg Connect branding ---- */
.brand { margin-bottom: 6px; }
.brand-title {
  font-size: 3.4rem; font-weight: 900; margin: 0; letter-spacing: 2px;
  background: linear-gradient(45deg, #00ffff, #ff00ff);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulseGlow 3s infinite ease-in-out;
}
.brand-by {
  margin: 2px 0 0; font-size: .95rem; font-weight: 400;
  color: var(--accent-2); letter-spacing: 1px; text-transform: uppercase;
}
@keyframes pulseGlow {
  0% { text-shadow: 0 0 20px rgba(0,255,255,0.4); }
  50% { text-shadow: 0 0 45px rgba(255,0,255,0.7); }
  100% { text-shadow: 0 0 20px rgba(0,255,255,0.4); }
}
.divider {
  height: 2px; margin: 18px 0;
  background: linear-gradient(90deg, transparent, #00ffff, #ff00ff, transparent);
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Join / login cards */
#join-screen, .center-screen {
  display: flex; align-items: center; justify-content: center;
}
.card {
  background: rgba(10, 6, 22, 0.85);
  padding: 36px; border-radius: 14px;
  width: 380px; max-width: calc(100vw - 32px);
  text-align: center;
  border: 1px solid rgba(0, 255, 255, 0.25);
  box-shadow: 0 0 30px rgba(255, 0, 255, 0.15), 0 12px 40px rgba(0,0,0,.6);
}
.card h1 { margin: 0 0 4px; font-size: 22px; }
.card .sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.card label { display: block; font-size: 12px; color: var(--accent-2); margin-bottom: 14px;
  text-transform: uppercase; letter-spacing: 1px; text-align: left; }
.card input {
  width: 100%; margin-top: 6px; padding: 11px 12px;
  background: rgba(0,0,0,.5); border: 1px solid rgba(0,255,255,.25); border-radius: 8px;
  color: var(--text); font-size: 15px; font-family: inherit;
}
.card input:focus { outline: none; border-color: var(--accent);
  box-shadow: 0 0 10px rgba(255,0,255,.4); }
button {
  width: 100%; padding: 13px; border-radius: 8px;
  background: transparent; border: 2px solid var(--accent);
  color: var(--accent); font-size: 15px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
  font-family: inherit; transition: all .3s ease;
}
button:hover { background: var(--accent); color: #000; box-shadow: 0 0 20px rgba(255,0,255,.5); }
button:disabled { opacity: .55; cursor: default; }
button:disabled:hover { background: transparent; color: var(--accent); box-shadow: none; }
.error { color: var(--danger); font-size: 13px; margin: 12px 0 0; }
.ok-msg { color: var(--ok); font-size: 13px; margin: 12px 0 0; }

/* Room */
#room-screen { display: flex; flex-direction: column; }
.room-header {
  display: flex; align-items: center; padding: 8px 16px;
  border-bottom: 1px solid rgba(0,255,255,.15);
  background: rgba(0,0,0,.4);
}
.room-brand {
  font-weight: 900; font-size: 1.1rem; letter-spacing: 2px;
  background: linear-gradient(45deg, #00ffff, #ff00ff);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.room-brand-by { font-size: .7rem; font-weight: 400; letter-spacing: 1px; }
/* Grid dimensions are set dynamically from JS via --cols / --rows so that
   all tiles fit on screen and resize as people join/leave. */
.video-grid {
  flex: 1; min-height: 0;
  display: grid; gap: 8px; padding: 12px;
  grid-template-columns: repeat(var(--cols, 1), 1fr);
  grid-template-rows: repeat(var(--rows, 1), 1fr);
  align-content: stretch; justify-content: stretch;
  overflow: hidden;
}
.tile {
  position: relative; background: #000; border-radius: 10px; overflow: hidden;
  min-width: 0; min-height: 0;
  border: 1px solid rgba(0,255,255,.2);
  box-shadow: 0 0 12px rgba(0,255,255,.08);
}
/* contain = show the whole camera frame (letterboxed), never crop */
.tile video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.tile .name {
  position: absolute; left: 8px; bottom: 8px;
  background: rgba(0,0,0,.65); padding: 3px 8px; border-radius: 6px;
  font-size: 13px; color: var(--accent-2); letter-spacing: .5px;
}
.tile.screen { border-color: rgba(255,0,255,.4); }
.tile.screen video { object-fit: contain; }
.tile .badge {
  position: absolute; right: 8px; top: 8px;
  background: var(--accent); color: #000; font-size: 11px; padding: 2px 7px; border-radius: 6px;
  font-weight: 700; text-transform: uppercase;
}

/* Toolbar */
.toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; background: rgba(0,0,0,.5);
  border-top: 1px solid rgba(0,255,255,.15);
}
.tb {
  width: auto; padding: 9px 16px; font-size: 14px; font-weight: 700;
  background: transparent; border: 2px solid var(--accent-2); color: var(--accent-2);
  letter-spacing: .5px;
}
.tb:hover { background: var(--accent-2); color: #000; box-shadow: 0 0 15px rgba(0,255,255,.4); }
.tb.off { border-color: var(--danger); color: var(--danger); }
.tb.off:hover { background: var(--danger); color: #fff; box-shadow: 0 0 15px rgba(255,46,106,.4); }
.tb.danger { border-color: var(--danger); color: var(--danger); }
.tb.danger:hover { background: var(--danger); color: #fff; box-shadow: 0 0 15px rgba(255,46,106,.4); }
.tb.active { border-color: var(--ok); color: var(--ok); }
.tb.active:hover { background: var(--ok); color: #000; box-shadow: 0 0 15px rgba(0,255,179,.4); }
.spacer { flex: 1; }
.count { color: var(--accent-2); font-size: 13px; letter-spacing: 1px; }

.toast {
  position: fixed; bottom: 76px; left: 50%; transform: translateX(-50%);
  background: rgba(10,6,22,.95); border: 1px solid rgba(0,255,255,.3);
  padding: 10px 16px; border-radius: 8px; font-size: 14px; color: var(--text);
  box-shadow: 0 0 20px rgba(255,0,255,.2);
}