/* ConvoAI Starter — Dark Geek Theme
 * Palette: Happy Hues #4
 * Customize: change theme colors here */

:root {
  --bg: #16161a;
  --surface: #242629;
  --text: #fffffe;
  --dim: #94a1b2;
  --accent: #7f5af0;
  --green: #2cb67d;
  --gray: #72757e;
  --red: #e74c3c;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* ── Center Stage — agent always centered ───────────────────────────────── */

.center-stage {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* Avatar ring */

.agent-ring {
  width: 18vh;
  height: 18vh;
  min-width: 100px;
  min-height: 100px;
  max-width: 180px;
  max-height: 180px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.agent-ring.listening {
  border-color: rgba(127, 90, 240, 0.4);
  box-shadow: 0 0 60px rgba(127, 90, 240, 0.1);
}

.agent-ring.speaking {
  border-color: rgba(44, 182, 125, 0.4);
  box-shadow: 0 0 60px rgba(44, 182, 125, 0.1);
  animation: breathe 3s ease-in-out infinite;
}

.agent-avatar {
  width: calc(100% - 10px);
  height: calc(100% - 10px);
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5vh;
  font-weight: 700;
  color: var(--dim);
  letter-spacing: 2px;
}

/* Frequency bars */

.freq-bars {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.freq-bars.active { opacity: 1; }

.freq-bars span {
  width: 4px;
  min-height: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  transition: height 0.08s ease-out;
}

/* Status text */

.agent-status {
  font-size: 14px;
  color: var(--dim);
  transition: color 0.3s ease;
}

.agent-status.active { color: var(--green); }
.agent-status.error { color: var(--red); }

/* ── Subtitles — bottom overlay ─────────────────────────────────────────── */

.subtitles {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 640px;
  max-height: 35vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 0;
  scroll-behavior: smooth;
}

.sub-line {
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.5;
  animation: fadeUp 0.2s ease-out;
}

.sub-line.user {
  align-self: flex-end;
  background: rgba(127, 90, 240, 0.1);
  color: var(--text);
  max-width: 80%;
}

.sub-line.agent {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  max-width: 80%;
}

.sub-line.partial {
  opacity: 0.5;
}

.sub-line .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
  margin-bottom: 2px;
}

/* ── Control Bar — fixed bottom ─────────────────────────────────────────── */

.control-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px 24px 32px;
  background: linear-gradient(transparent, var(--bg) 40%);
}

.btn-main {
  height: 52px;
  min-width: 140px;
  padding: 0 32px;
  border: none;
  border-radius: 26px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--accent);
  color: var(--text);
}

.btn-main:hover { filter: brightness(1.1); }
.btn-main:active { transform: scale(0.97); }
.btn-main:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-main.danger {
  background: rgba(231, 76, 60, 0.12);
  color: var(--red);
}

.btn-main.danger:hover { background: rgba(231, 76, 60, 0.2); }

.btn-circle {
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: var(--surface);
  color: var(--dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-circle:hover { background: #2e3035; color: var(--text); }
.btn-circle:disabled { opacity: 0.25; cursor: not-allowed; }
.btn-circle.muted { background: rgba(231, 76, 60, 0.12); color: var(--red); }

/* ── Scrollbar ──────────────────────────────────────────────────────────── */

.subtitles::-webkit-scrollbar { width: 0; }

/* ── Animations ─────────────────────────────────────────────────────────── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes breathe {
  0%, 100% { box-shadow: 0 0 60px rgba(44, 182, 125, 0.1); }
  50% { box-shadow: 0 0 80px rgba(44, 182, 125, 0.2), 0 0 120px rgba(44, 182, 125, 0.06); }
}