:root {
  --bg: #0a0a0a;
  --bg-raised: #131313;
  --border: #232323;
  --text: #e8e8e8;
  --text-dim: #8a8a8a;
  --accent: #00c8ff;
  --accent-dim: #036a85;
  --danger: #ff4d4d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.35em;
  font-size: 14px;
  color: var(--text-dim);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  transition: color 0.2s;
}
.icon-btn:hover { color: var(--accent); }

.app {
  display: flex;
  flex-direction: column;
  height: calc(100% - 60px);
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.face-wrap {
  flex: 0 0 34vh;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

#faceCanvas {
  width: 100%;
  max-width: 700px;
  height: 100%;
}

.presence-indicator {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.05em;
}
.presence-indicator[hidden] {
  display: none;
}
.presence-indicator .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.control-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
}

.timer {
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 600;
  color: var(--accent);
  min-width: 80px;
}

.goal { flex: 1; }
.goal input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  padding: 6px 2px;
  outline: none;
}
.goal input:focus { border-bottom-color: var(--accent); }

.primary-btn {
  background: var(--accent);
  color: #06131a;
  border: none;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: filter 0.15s;
}
.primary-btn:hover { filter: brightness(1.1); }
.primary-btn.active { background: var(--danger); }

.ghost-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
}

.chat-wrap {
  flex: 1;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-raised);
  margin-bottom: 16px;
}

.chat-history {
  height: 100%;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.45;
}
.msg.user {
  align-self: flex-end;
  background: #1a2a30;
  color: var(--text);
}
.msg.assistant {
  align-self: flex-start;
  background: #17181a;
  border: 1px solid var(--border);
  color: var(--text);
}
.msg .role {
  display: block;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.mic-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-bottom: 8px;
}

.mic-status {
  font-size: 12px;
  color: var(--text-dim);
}

.mic-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg-raised);
  color: var(--accent);
  font-size: 26px;
  cursor: pointer;
  transition: box-shadow 0.2s, background 0.2s;
}
.mic-btn.recording {
  background: var(--accent);
  color: #06131a;
  box-shadow: 0 0 0 8px rgba(0, 200, 255, 0.15);
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 200, 255, 0.35); }
  70% { box-shadow: 0 0 0 14px rgba(0, 200, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 200, 255, 0); }
}

/* Onboarding */
.onboarding {
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 6, 0.92);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.onboarding[hidden] {
  display: none;
}

.onboarding-card {
  width: 90%;
  max-width: 480px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.onboarding-step h2 {
  margin: 0 0 20px;
  font-size: 20px;
  font-weight: 600;
}

.onboarding-step input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  outline: none;
}
.onboarding-step input[type="text"]:focus { border-color: var(--accent); }

.choice-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.choice-btn {
  background: #0d0d0d;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: border-color 0.15s, color 0.15s;
}
.choice-btn:hover { border-color: var(--accent); color: var(--accent); }
.choice-btn.selected {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 200, 255, 0.08);
}

.onboarding-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.range-value {
  text-align: center;
  color: var(--accent);
  font-size: 28px;
  font-weight: 600;
  margin: 12px 0;
}