:root {
  --bg: #0e1116;
  --panel: #171c24;
  --border: #262d38;
  --text: #e6e9ef;
  --muted: #9aa4b2;
  --accent: #4f8cff;
  --accent-2: #2bd4a4;
  --danger: #ff5d6c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1b2330, var(--bg));
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 540px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

h1 {
  margin: 0 0 4px;
  font-size: 22px;
}

.subtitle {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

select,
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  background: #0f141b;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 18px;
  color: #fff;
  background: var(--accent);
  transition: opacity 0.15s ease, transform 0.05s ease;
}

button:hover { opacity: 0.92; }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: default; }

.primary { width: 100%; margin-top: 18px; }

.hint {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}
.checkbox input {
  width: auto;
  accent-color: var(--accent);
}

.hidden { display: none !important; }

.status {
  margin: 0 0 18px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  background: #0f141b;
  border: 1px solid var(--border);
  color: var(--muted);
}
.status.pending { border-color: #3a4252; color: #cdd5e0; }
.status.ready { border-color: var(--accent-2); color: var(--accent-2); }
.status.error { border-color: var(--danger); color: var(--danger); }

.invite {
  margin-top: 18px;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: 10px;
}
.invite-row { display: flex; gap: 8px; margin-top: 8px; }
.invite-row input { flex: 1; }
.invite-row button { background: #2a3242; }

.controls { display: flex; gap: 10px; margin-bottom: 18px; }
.controls button { flex: 1; background: #2a3242; }
.controls button.muted { background: var(--danger); }

.captions {
  height: 280px;
  overflow-y: auto;
  background: #0f141b;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.line {
  margin-bottom: 12px;
  opacity: 0.55;
  transition: opacity 0.3s ease;
}
.line.active { opacity: 1; }
.line .who {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 8px;
  color: var(--muted);
}
.line.you .who { color: var(--accent); }
.line.them .who { color: var(--accent-2); }
.line .text { font-size: 15px; line-height: 1.5; }

.placeholder { color: var(--muted); font-size: 13px; text-align: center; padding-top: 110px; }