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

html, body {
  height: 100%;
  background: #101014;
  color: #e8e6e3;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.hidden { display: none !important; }

.screen { height: 100%; }

/* ---- лобби ---- */
#lobby {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: #1a1a20;
  border: 1px solid #2c2c34;
  border-radius: 14px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}

.card h1 { font-size: 1.5rem; }

.card input {
  font-size: 1.1rem;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #3a3a44;
  background: #101014;
  color: inherit;
  text-align: center;
}

button.primary {
  font-size: 1.15rem;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: #3b82f6;
  color: #fff;
  cursor: pointer;
}
button.primary:active { background: #2f6ad0; }
button.primary:disabled { opacity: .5; }

.small { font-size: .8rem; color: #9a97a0; }
.error { color: #f87171; }

/* ---- звонок ---- */
#call { position: relative; overflow: hidden; }

#videos { position: absolute; inset: 0; background: #000; }

#remote-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

#remote-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #9a97a0;
}

#local-video {
  position: absolute;
  right: 12px;
  bottom: 96px;
  width: min(28vw, 240px);
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid #3a3a44;
  background: #14141a;
  z-index: 5;
}

#topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  background: linear-gradient(rgba(0,0,0,.55), transparent);
  z-index: 6;
  font-size: .9rem;
}

#rec-badge { color: #f87171; font-weight: 600; letter-spacing: .04em; }
#status { color: #d5d3d8; }
#quality { margin-left: auto; }

#audio-unlock {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 8;
}

#controls {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  background: rgba(20, 20, 26, .85);
  border: 1px solid #2c2c34;
  border-radius: 14px;
  z-index: 7;
  max-width: calc(100vw - 20px);
}

#controls button {
  font-size: 1.3rem;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  border: 1px solid #3a3a44;
  background: #22222a;
  color: #fff;
  cursor: pointer;
}
#controls button.off { background: #7f1d1d; }
#controls button.danger { background: #b91c1c; border-color: #b91c1c; }

#controls select {
  max-width: 130px;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid #3a3a44;
  background: #22222a;
  color: #fff;
  font-size: .8rem;
}

@media (max-width: 600px) {
  #controls select { display: none; } /* на телефоне — системный выбор устройств */
  #local-video { bottom: 110px; }
}