:root {
  --bg: #0d0a12;
  --bg2: #171122;
  --panel: rgba(255, 255, 255, 0.045);
  --border: rgba(255, 255, 255, 0.09);
  --text: #efe9f4;
  --muted: #9c92ab;
  --accent: #e0447c;
  --accent2: #8b5cf6;
  --danger: #e5484d;
}

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

[hidden] { display: none !important; }

body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1100px 700px at 70% -10%, #2a1638 0%, var(--bg) 55%),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ---------- age gate ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8, 5, 12, 0.92); backdrop-filter: blur(8px);
  padding: 1rem;
}
.gate-card {
  max-width: 460px; text-align: center;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 18px; padding: 2.2rem;
}
.gate-card h1 {
  font-size: 3rem; margin-bottom: 0.8rem;
  background: linear-gradient(120deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.gate-card p { color: var(--muted); font-size: 0.92rem; line-height: 1.5; margin-bottom: 0.8rem; }
.gate-actions { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.2rem; }

/* ---------- layout ---------- */
.app { max-width: 640px; margin: 0 auto; padding: 1.2rem; }
header { display: flex; justify-content: space-between; align-items: center; padding: 0.6rem 0 1.4rem; }
.brand { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.02em; }
.brand span { color: var(--accent); }
.badge { font-size: 0.72rem; color: var(--muted); border: 1px solid var(--border); border-radius: 99px; padding: 0.25rem 0.7rem; }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 18px; padding: 1.6rem;
}
.panel h2 { font-size: 1.15rem; margin-bottom: 1rem; font-weight: 600; }
.hint { color: var(--muted); font-size: 0.8rem; margin-top: 0.9rem; text-align: center; }

/* ---------- persona picker ---------- */
.personas { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.7rem; margin-bottom: 1.2rem; }
.persona {
  border: 1px solid var(--border); border-radius: 14px; padding: 1rem;
  cursor: pointer; transition: border-color 0.15s, background 0.15s;
  background: rgba(255,255,255,0.02);
}
.persona:hover { border-color: var(--accent2); }
.persona.selected { border-color: var(--accent); background: rgba(224, 68, 124, 0.08); }
.persona .p-name { font-weight: 600; margin-bottom: 0.25rem; }
.persona .p-tag { color: var(--muted); font-size: 0.8rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; border: 1px solid var(--border); border-radius: 12px;
  background: rgba(255,255,255,0.05); color: var(--text);
  padding: 0.7rem 1.2rem; font-size: 0.95rem; cursor: pointer;
  text-decoration: none; text-align: center; transition: filter 0.15s;
}
.btn:hover { filter: brightness(1.15); }
.btn.primary { background: linear-gradient(120deg, var(--accent), var(--accent2)); border: none; font-weight: 600; }
.btn.big { width: 100%; padding: 0.95rem; font-size: 1.05rem; }
.btn.ghost { background: transparent; }
.btn.danger { background: var(--danger); border: none; font-weight: 600; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- call screen ---------- */
.call-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.6rem; }
.call-name { font-size: 1.25rem; font-weight: 700; }
.call-timer { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.85rem; }
.status-text { color: var(--muted); font-size: 0.85rem; text-transform: capitalize; }

.orb-wrap { display: flex; justify-content: center; padding: 1.6rem 0; }
.orb {
  width: 110px; height: 110px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--accent2), var(--accent) 70%);
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s;
}
.orb.idle      { opacity: 0.45; transform: scale(0.9); }
.orb.listening { opacity: 0.9; box-shadow: 0 0 40px rgba(139, 92, 246, 0.45); animation: breathe 2.4s ease-in-out infinite; }
.orb.thinking  { opacity: 0.8; animation: spin-pulse 1.1s ease-in-out infinite; }
.orb.speaking  { opacity: 1; box-shadow: 0 0 60px rgba(224, 68, 124, 0.6); animation: talk 0.55s ease-in-out infinite; }

@keyframes breathe    { 0%,100% { transform: scale(0.94); } 50% { transform: scale(1.02); } }
@keyframes spin-pulse { 0%,100% { transform: scale(0.9) rotate(0deg); } 50% { transform: scale(0.96) rotate(180deg); } }
@keyframes talk       { 0%,100% { transform: scale(0.97); } 50% { transform: scale(1.06); } }

/* ---------- transcript ---------- */
.transcript {
  height: 260px; overflow-y: auto; display: flex; flex-direction: column;
  gap: 0.5rem; padding: 0.8rem; margin-bottom: 1rem;
  border: 1px solid var(--border); border-radius: 14px;
  background: rgba(0, 0, 0, 0.25);
}
.bubble { max-width: 82%; padding: 0.55rem 0.85rem; border-radius: 14px; font-size: 0.9rem; line-height: 1.45; }
.bubble.user { align-self: flex-end; background: rgba(139, 92, 246, 0.22); border-bottom-right-radius: 4px; }
.bubble.ai   { align-self: flex-start; background: rgba(255, 255, 255, 0.07); border-bottom-left-radius: 4px; }
.bubble.sys  { align-self: center; color: var(--muted); font-size: 0.78rem; background: none; }

.call-controls { display: flex; gap: 0.7rem; }
.call-controls .btn { flex: 1; }
.btn.ghost.muted-on { border-color: var(--accent); color: var(--accent); }

footer { text-align: center; color: var(--muted); font-size: 0.75rem; padding: 1.4rem 0; }