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

:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --border: #2a2a3e;
  --text: #e0e0f0;
  --text-dim: #808098;
  --user-bg: #1e3a5f;
  --agent-bg: #2a2a3e;
  --accent: #4a9eff;
  --accent-glow: rgba(74, 158, 255, 0.3);
  --danger: #ff4a6a;
}

html, body {
  height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro", system-ui, sans-serif;
  font-size: 16px;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

/* Re-enable selection on text inputs so mobile paste (long-press) works */
input, textarea, [contenteditable] {
  -webkit-user-select: text;
  user-select: text;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 600px;
  margin: 0 auto;
}

/* --- Views --- */
.view {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}
.hidden { display: none !important; }

/* ===== Login View ===== */
.login-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 16px;
}

.login-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.login-subtitle {
  font-size: 15px;
  color: var(--text-dim);
}

#user-buttons {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.user-btn {
  width: 120px;
  height: 56px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.user-btn:active {
  transform: scale(0.96);
  border-color: var(--accent);
}

/* --- PIN Section --- */
#pin-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: 8px;
}

#pin-dots {
  display: flex;
  gap: 14px;
}

.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--text-dim);
  transition: all 0.15s;
}

.pin-dot.filled {
  background: var(--accent);
  border-color: var(--accent);
}

#pin-pad {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  gap: 10px;
}

.pin-key {
  width: 72px;
  height: 56px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 22px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.1s;
  -webkit-tap-highlight-color: transparent;
}

.pin-key:active {
  background: var(--border);
  transform: scale(0.95);
}

.link-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 16px;
  -webkit-tap-highlight-color: transparent;
}

.link-btn:active {
  color: var(--text);
}

#login-error {
  color: var(--danger);
  font-size: 14px;
  margin-top: 4px;
}

/* ===== Agent Picker ===== */
.picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 0;
}

.picker-header h2 {
  font-size: 24px;
  font-weight: 700;
}

.picker-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mode-context-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mode-context-light {
  color: #8bd0ff;
  border-color: rgba(139, 208, 255, 0.45);
  background: rgba(74, 158, 255, 0.12);
}

.mode-context-dense {
  color: #7ff8c9;
  border-color: rgba(127, 248, 201, 0.45);
  background: rgba(56, 215, 148, 0.12);
}

.picker-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.icon-btn:active,
.icon-btn:hover {
  color: var(--accent);
}

#agent-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  overflow-y: auto;
}

.agent-card {
  display: flex;
  align-items: center;
  padding: 18px 20px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.agent-card:active {
  transform: scale(0.98);
}

.agent-card-name {
  font-size: 18px;
  font-weight: 600;
}

/* ===== Voice View ===== */
#status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.mode-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px;
}

.mode-btn {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 7px 10px;
  transition: color 0.15s, background 0.15s;
}

.mode-btn:hover {
  color: var(--text);
}

.mode-btn.active {
  background: var(--accent);
  color: #fff;
}

.provider-indicator {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.provider-indicator:hover {
  color: var(--text);
  border-color: var(--accent);
}

.provider-indicator.provider-openai {
  color: #10a37f;
  border-color: #10a37f;
}

.back-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 20px;
  cursor: pointer;
  padding: 2px 8px 2px 0;
  -webkit-tap-highlight-color: transparent;
}
.sessions-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 4px;
  -webkit-tap-highlight-color: transparent;
}
.sessions-btn:hover { color: var(--text); }

/* Sessions overlay (shared voice + chat) */
#sessions-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 60px;
  opacity: 0;
  transition: opacity 0.2s;
}
#sessions-overlay.open { opacity: 1; }
#sessions-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  max-height: 70vh;
  overflow-y: auto;
  padding: 16px;
}
.sessions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.sessions-header h3 { font-size: 16px; color: var(--text); }
.sessions-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
}
.sessions-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sessions-clear-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.sessions-clear-btn:hover { color: var(--danger); border-color: var(--danger); }
.sessions-clear-btn.confirming { color: var(--danger); border-color: var(--danger); }
.session-item {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
}
.session-item:hover { background: var(--border); }
.session-item-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.session-item-text {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}
.session-delete-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  transition: color 0.15s;
}
.session-delete-btn:hover { color: var(--danger); }
.session-delete-btn.confirming { color: var(--danger); }
.session-title {
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-time {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

#status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #555;
  transition: background 0.3s;
}
#status-dot.connected { background: #4aff7a; }
#status-dot.error { background: var(--danger); }

#status-text {
  font-size: 14px;
  color: var(--text-dim);
}

#agent-label {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
}

/* --- Transcript --- */
#transcript {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.45;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.bubble.user {
  align-self: flex-end;
  background: var(--user-bg);
  border-bottom-right-radius: 4px;
  cursor: default;
  -webkit-user-select: none;
  user-select: none;
}
/* Copy toast */
#copy-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #333;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 9999;
}
#copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  animation: toastFade 1.5s ease forwards;
}
@keyframes toastFade {
  0%   { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}

.bubble.agent {
  align-self: flex-start;
  background: var(--agent-bg);
  border-bottom-left-radius: 4px;
}

.bubble.partial {
  opacity: 0.5;
  font-style: italic;
}

.bubble.streaming {
  opacity: 0.8;
}

/* --- Controls --- */
#controls {
  display: flex;
  justify-content: center;
  padding: 20px 16px 28px;
  flex-shrink: 0;
}

#talk-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

#talk-btn:active {
  transform: scale(0.95);
}

#talk-btn.listening {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 20px var(--accent-glow);
  animation: pulse 1.5s infinite;
}

#talk-btn.thinking {
  border-color: var(--text-dim);
  color: var(--text-dim);
  animation: spin-border 1.5s linear infinite;
}

#talk-btn.speaking {
  border-color: #4aff7a;
  color: #4aff7a;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50% { box-shadow: 0 0 35px var(--accent-glow); }
}

@keyframes spin-border {
  0% { border-color: var(--text-dim) transparent transparent transparent; }
  25% { border-color: transparent var(--text-dim) transparent transparent; }
  50% { border-color: transparent transparent var(--text-dim) transparent; }
  75% { border-color: transparent transparent transparent var(--text-dim); }
  100% { border-color: var(--text-dim) transparent transparent transparent; }
}

/* --- Clickable thinking status --- */
#status-text.clickable-thinking {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}
#status-text.clickable-thinking:active {
  color: var(--accent);
}

/* --- Thinking modal (shared with chat) --- */
#thinking-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
}

#thinking-modal {
  width: min(640px, calc(100vw - 32px));
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: #101018;
  border: 1px solid rgba(74, 158, 255, 0.25);
  border-radius: 12px;
  overflow: hidden;
}

.thinking-modal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.thinking-modal-status {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

.thinking-modal-tokens {
  font-size: 12px;
  color: var(--text-dim);
}

.thinking-modal-close {
  margin-left: auto;
  background: none;
  border: 1px solid var(--danger);
  color: var(--danger);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 6px;
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}
.thinking-modal-close:hover {
  background: var(--danger);
  color: #fff;
}

.thinking-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  white-space: pre-wrap;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
}

@keyframes thinking-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.thinking-spinner::after {
  content: " ...";
  animation: thinking-pulse 1.5s ease-in-out infinite;
}