/* ambientnet.work — a lit room at night, stripped to the room itself. */

:root {
  --night: #131017;
  --night-2: #1a1620;
  --ink: #e9e2d6;
  --ink-dim: #9a917f;
  --lamp: #e8a849;
  --lamp-soft: rgba(232, 168, 73, 0.14);
  --line: rgba(233, 226, 214, 0.12);
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: var(--mono);
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- atmosphere ---------------------------------------------------------- */

.glow {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60vmax 45vmax at 22% 12%, var(--lamp-soft), transparent 65%),
    radial-gradient(50vmax 50vmax at 85% 90%, rgba(94, 78, 130, 0.12), transparent 70%);
  animation: breathe 11s ease-in-out infinite alternate;
}

@keyframes breathe {
  from { opacity: 0.7; transform: scale(1); }
  to   { opacity: 1;   transform: scale(1.06); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  .glow { animation: none; }
}

/* ---- layout ---------------------------------------------------------------- */

main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.25rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
  animation: rise 0.9s ease-out both;
  min-height: 0;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ---- the room -------------------------------------------------------------- */

.room {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(160deg, var(--night-2), rgba(26, 22, 32, 0.4));
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: min(72vh, 640px);
}

.status {
  font-size: 0.78rem;
  color: var(--lamp);
  margin: 0;
}

.grid {
  flex: 1;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-content: center;
}

.grid.empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid.empty::before {
  content: "the room is quiet";
  font-style: italic;
  color: var(--ink-dim);
  opacity: 0.7;
  font-size: 0.85rem;
}

.tile {
  position: relative;
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #0c0a10;
  aspect-ratio: 16 / 10;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
}

.tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tile figcaption {
  position: absolute;
  left: 0.6rem;
  bottom: 0.5rem;
  font-size: 0.7rem;
  color: var(--ink);
  background: rgba(12, 10, 16, 0.65);
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
}

.tile.mic-off figcaption::after { content: " · muted"; color: var(--ink-dim); }
.tile.cam-off video { opacity: 0.15; }

.tile .unmute {
  position: absolute;
  inset: 0;
  margin: auto;
  width: max-content;
  height: max-content;
  font-size: 0.8rem;
  background: rgba(12, 10, 16, 0.8);
  color: var(--lamp);
  border: 1px solid var(--lamp);
  border-radius: 99px;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

/* ---- buttons ---------------------------------------------------------------- */

.join-buttons, .controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

button {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 0.55rem 1.2rem;
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}

button:hover { border-color: var(--ink-dim); }

button.primary {
  color: var(--night);
  background: var(--lamp);
  border-color: var(--lamp);
  font-weight: 500;
}

button.primary:hover { background: #f0bb68; }

button.danger:hover { color: #e07a5f; border-color: #e07a5f; }

button:disabled { opacity: 0.5; cursor: wait; }

/* ---- chat -------------------------------------------------------------------- */

.chat {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(26, 22, 32, 0.5);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.chat h2 {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lamp);
  margin: 0 0 0.6rem;
}

#chat-log {
  flex: 1;
  overflow-y: auto;
  font-size: 0.78rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 0.8rem;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  max-height: 60vh;
}

.chat-line { overflow-wrap: anywhere; }

.chat-name { color: var(--lamp); margin-right: 0.5em; }

.chat-time {
  color: var(--ink-dim);
  opacity: 0.6;
  font-size: 0.65rem;
  margin-right: 0.5em;
}

.chat-notice {
  color: var(--ink-dim);
  font-style: italic;
}

#chat-form {
  display: flex;
  gap: 0.5rem;
}

#chat-input {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 0.5rem 0.9rem;
  outline: none;
  transition: border-color 0.25s;
}

#chat-input:focus { border-color: var(--lamp); }

#chat-input::placeholder { color: var(--ink-dim); opacity: 0.6; }

#chat-form button { padding: 0.5rem 0.9rem; }

/* ---- footer ------------------------------------------------------------------ */

footer {
  font-size: 0.68rem;
  color: var(--ink-dim);
  text-align: center;
  padding: 1rem 1.5rem 1.4rem;
  opacity: 0.7;
}

footer p { margin: 0; }

/* ---- small screens ------------------------------------------------------------ */

@media (max-width: 820px) {
  main { grid-template-columns: 1fr; }
  .room { min-height: 46vh; }
  .chat { min-height: 240px; }
  #chat-log { max-height: 32vh; }
}