/* Life Agent — Constitutional Chat Interface */

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: #1a1a3e;
  --bg-input: #1e1e42;
  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --border: #2a2a5a;
  --success: #22c55e;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono: 'SF Mono', 'Fira Code', monospace;
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* Header */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 720px;
  margin: 0 auto;
}

.agent-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.agent-avatar.large {
  width: 64px;
  height: 64px;
  font-size: 1.8rem;
}

.header-text { flex: 1; }
.header-text h1 { font-size: 1.1rem; font-weight: 600; }

.status-badge {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.status-badge.active { color: var(--success); }

.info-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
}
.info-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Chat */
.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  max-width: 720px;
  margin: 0 auto;
  height: calc(100vh - 140px);
  -webkit-overflow-scrolling: touch;
}

.messages { display: flex; flex-direction: column; gap: 1rem; }

.message {
  display: flex;
  gap: 0.5rem;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  align-self: flex-end;
}

.message.user .message-avatar {
  background: var(--bg-card);
}

.message-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  max-width: 85%;
}

.message.user {
  flex-direction: row-reverse;
}

.message.user .message-content {
  background: var(--accent);
  border-color: var(--accent);
}

.message-text {
  font-size: 0.95rem;
  line-height: 1.5;
}

.message-text strong { color: var(--accent); }
.message.user .message-text strong { color: white; }

.message-time {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.message.user .message-time { color: rgba(255,255,255,0.6); }

/* Suggestions */
.suggestions {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  overflow-x: auto;
  max-width: 720px;
  margin: 0 auto;
  -webkit-overflow-scrolling: touch;
}

.suggestion-chip {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}
.suggestion-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Input */
.input-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  max-width: 720px;
  margin: 0 auto;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}

.input-bar input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0.65rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
}
.input-bar input:focus { border-color: var(--accent); }
.input-bar input::placeholder { color: var(--text-secondary); }

#send-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s;
  flex-shrink: 0;
}
#send-btn:active { transform: scale(0.92); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-header { text-align: center; margin-bottom: 1.5rem; }
.modal-header .agent-avatar { margin: 0 auto 0.75rem; }
.modal-header h2 { font-size: 1.3rem; margin-bottom: 0.25rem; }
.subtitle { color: var(--text-secondary); font-size: 0.85rem; }

.modal-section { margin-bottom: 1.25rem; }
.modal-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 1rem;
  font-size: 0.9rem;
}
.detail-grid dt { color: var(--text-secondary); }
.detail-grid dd { word-break: break-all; }
.mono { font-family: var(--mono); font-size: 0.8rem; }

.cap-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cap-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
}

/* Typing indicator */
.typing { display: flex; gap: 4px; padding: 0.5rem 0; }
.typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-secondary);
  animation: bounce 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%, 80%, 100% { transform: translateY(0); } 40% { transform: translateY(-6px); } }

/* Responsive */
@media (max-width: 480px) {
  .header-text h1 { font-size: 1rem; }
  .message-content { max-width: 90%; }
}