:root {
  --bg: #ede4ce;
  --surface: #e3d6b5;
  --tile-bg: #d8c89e;
  --text: #2a1f14;
  --muted-text: #6b5a44;
  --border: #b8a374;
  --accent: #b14d2d;
  --accent-hover: #8f3c22;
  --talking: #3fb950;
  --mute-red: #8b2c1f;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Space Grotesk", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.topbar h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.controls input {
  background: var(--surface);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  width: 140px;
  outline: none;
  transition: border-color 0.15s;
}

.controls input::placeholder {
  color: var(--muted-text);
}

.controls input:focus {
  border-color: var(--accent);
}

.controls button {
  background: var(--accent);
  color: #fff7e8;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: 0;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.controls button:hover {
  background: var(--accent-hover);
}

.controls button:active {
  transform: scale(0.97);
}

.info {
  padding: 0.75rem 0;
  font-size: 0.85rem;
  color: var(--muted-text);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-weight: 500;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1rem;
  padding-top: 1rem;
}

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
  align-content: start;
}

.tile {
  position: relative;
  background: var(--tile-bg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: outline-color 0.1s;
  outline: 4px solid transparent;
  outline-offset: -4px;
}

.tile.talking {
  outline-color: var(--talking);
}

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

.label {
  position: absolute;
  bottom: 0.6rem;
  left: 0.6rem;
  background: var(--bg);
  color: var(--text);
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 1;
  border: 2px solid var(--border);
  max-width: calc(100% - 4rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mute-indicator {
  position: absolute;
  bottom: 0.6rem;
  right: 0.6rem;
  width: 32px;
  height: 32px;
  background: var(--mute-red);
  color: #fff7e8;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  border: 2px solid var(--bg);
}

.mute-indicator[hidden] { display: none; }

.mute-indicator svg {
  width: 18px;
  height: 18px;
}

.chat {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 2px solid var(--border);
  height: 100%;
  min-height: 480px;
  max-height: 75vh;
}

.chat-header {
  padding: 0.6rem 0.9rem;
  font-weight: 700;
  border-bottom: 2px solid var(--border);
  background: var(--tile-bg);
  font-size: 0.95rem;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.6rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.chat-msg {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  word-wrap: break-word;
}

.chat-msg .chat-name {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.78rem;
}

.chat-msg.self .chat-name {
  color: var(--text);
}

.chat-msg .chat-text {
  background: var(--bg);
  padding: 0.35rem 0.6rem;
  border: 2px solid var(--border);
  align-self: flex-start;
  max-width: 100%;
}

.chat-input-row {
  display: flex;
  gap: 0.4rem;
  padding: 0.5rem;
  border-top: 2px solid var(--border);
  background: var(--tile-bg);
}

.chat-input-row input {
  flex: 1;
  background: var(--bg);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  border-radius: 0;
}

.chat-input-row input:focus {
  border-color: var(--accent);
}

.chat-input-row button {
  background: var(--accent);
  color: #fff7e8;
  border: none;
  padding: 0.45rem 0.9rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.chat-input-row button:hover {
  background: var(--accent-hover);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(42, 31, 20, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 2rem;
}

.modal.open { display: flex; }

.modal-inner {
  position: relative;
  width: 100%;
  max-width: 1000px;
  background: var(--surface);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 2px solid var(--border);
}

.modal-inner video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #1a120a;
}

.modal-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--bg);
  color: var(--text);
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 2;
  border: 2px solid var(--border);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent);
  color: #fff7e8;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: 0;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 2;
}

.modal-close:hover { background: var(--accent-hover); }