/* ═══════════════════════════════════════════════════════════════════════
   Loomy Voice — Sister-Proof CSS
   - No scrolling. Everything visible on one screen.
   - Giant buttons. High contrast.
   - 120% font size for readability.
   - Dark purple theme.
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --bg: #0a0a0f;
  --card: #1a1a2e;
  --card-hover: #252540;
  --accent: #a855f7;
  --accent-glow: rgba(168, 85, 247, 0.3);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 20px;
}

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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 120%;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ─── Top Bar ─── */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  flex-shrink: 0;
}
.version {
  font-size: 0.75rem;
  color: var(--muted);
}
.lang-toggle {
  display: flex;
  gap: 6px;
}
.lang-btn {
  padding: 4px 12px;
  border-radius: 10px;
  border: 1px solid var(--muted);
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
}
.lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ─── Screen Container ─── */
.screen {
  display: none;
  flex-direction: column;
  align-items: center;
  flex: 1;
  padding: 0 24px 20px;
  overflow: hidden;
}
.screen.active {
  display: flex;
}

/* ─── Main Screen ─── */
.hero-logo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 30px var(--accent-glow);
  margin-top: 8px;
  flex-shrink: 0;
}

#app-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 8px;
  text-align: center;
  flex-shrink: 0;
}

.tagline {
  font-size: 0.95rem;
  color: var(--muted);
  text-align: center;
  margin-bottom: 12px;
  flex-shrink: 0;
}

/* ─── Service Cards ─── */
.service-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 420px;
  flex-shrink: 0;
}

.service-card {
  background: var(--card);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.service-card:hover {
  background: var(--card-hover);
  border-color: var(--accent);
}
.service-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}
.service-card.unavailable {
  opacity: 0.4;
  cursor: not-allowed;
}

.card-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  flex-shrink: 0;
}
.card-desc {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}
.card-status {
  font-size: 0.7rem;
  margin-left: auto;
  padding: 3px 8px;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  white-space: nowrap;
}
.card-status.ready {
  background: rgba(34,197,94,0.2);
  color: var(--success);
}
.card-status.missing {
  background: rgba(239,68,68,0.2);
  color: var(--danger);
}

/* ─── Agent Bar ─── */
.agent-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-shrink: 0;
}
.agent-bar span {
  font-size: 0.9rem;
  color: var(--muted);
}
.big-select {
  background: var(--card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 1rem;
  cursor: pointer;
  flex: 1;
}

/* ─── Mega Button ─── */
.btn-mega {
  width: 100%;
  max-width: 320px;
  margin-top: 16px;
  padding: 18px 32px;
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border: none;
  border-radius: var(--radius);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 20px rgba(168,85,247,0.4);
  transition: all 0.2s;
  flex-shrink: 0;
}
.btn-mega:hover:not(:disabled) {
  transform: scale(1.03);
  box-shadow: 0 6px 30px rgba(168,85,247,0.6);
}
.btn-mega:active:not(:disabled) {
  transform: scale(0.98);
}
.btn-mega:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--muted);
}
.btn-mega .btn-icon {
  font-size: 1.5rem;
}

/* ─── Hint ─── */
.hint {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
  flex-shrink: 0;
}

/* ─── Connection Status ─── */
.connection-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-bottom: 10px;
  font-size: 0.8rem;
  color: var(--muted);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot.red { background: var(--danger); }
.dot.green { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot.yellow { background: var(--warning); }

/* ─── Chat Screen ─── */
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  flex-shrink: 0;
}
.btn-back {
  background: var(--card);
  border: none;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 1.2rem;
  cursor: pointer;
}
#chat-agent-name {
  font-size: 1.1rem;
  font-weight: 600;
  flex: 1;
}
.badge {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.7rem;
  background: var(--accent);
  color: white;
}

.chat-visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 0;
}
.voice-ring {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}
.voice-ring.active {
  opacity: 1;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 0.8; }
}
.chat-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 40px var(--accent-glow);
  z-index: 1;
}

.chat-text {
  font-size: 1rem;
  text-align: center;
  color: var(--muted);
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  flex-shrink: 0;
}

.chat-controls {
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 16px 0;
  flex-shrink: 0;
}

.btn-mic {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  background: var(--card);
  color: white;
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.btn-mic:hover {
  background: var(--accent);
  transform: scale(1.05);
}
.btn-mic.recording {
  background: var(--danger);
  border-color: var(--danger);
  animation: mic-pulse 1s ease-in-out infinite;
}
@keyframes mic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }
  50% { box-shadow: 0 0 0 20px rgba(239,68,68,0); }
}

.btn-text-in {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--muted);
  background: transparent;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── Hidden ─── */
.hidden { display: none !important; }

/* ─── Mobile ─── */
@media (max-width: 480px) {
  .hero-logo { width: 80px; height: 80px; }
  #app-title { font-size: 1.3rem; }
  .service-card { padding: 10px 12px; }
  .card-icon { font-size: 1.5rem; }
  .btn-mega { font-size: 1.1rem; padding: 14px 24px; }
  .chat-avatar { width: 110px; height: 110px; }
}