/**
 * Lena – Chat & Buchung (ergänzend zu tools_ui.css)
 * Mobile-first, Messaging-App-ähnlich (WhatsApp/Telegram).
 */

/* Modus-Karten (große Karten-Buttons) */
.lena-mode-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .lena-mode-cards {
    grid-template-columns: 1fr;
  }
}

.lena-mode-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  padding: 1.25rem 1.5rem;
  border-radius: 16px;
  border: 2px solid var(--bc-border, #e2e8f0);
  background: var(--bc-bg, #fff);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  min-height: 44px;
}

.lena-mode-card:hover:not(:disabled) {
  border-color: var(--bc-primary, #2563eb);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.lena-mode-card:focus-visible {
  outline: 2px solid var(--bc-primary, #2563eb);
  outline-offset: 2px;
}

.lena-mode-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  color: var(--bc-text-muted, #64748b);
}

.lena-mode-card--active .lena-mode-card__icon {
  color: var(--bc-primary, #2563eb);
}

.lena-mode-card__icon svg {
  width: 24px;
  height: 24px;
}

.lena-mode-card.lena-mode-card--active {
  border-color: var(--bc-primary, #2563eb);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.02) 100%);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2);
}

.lena-mode-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--bc-text, #0f172a);
  margin-bottom: 0.35rem;
}

.lena-mode-card--active .lena-mode-card__title {
  color: var(--bc-primary, #2563eb);
}

.lena-mode-card__desc {
  font-size: 0.875rem;
  color: var(--bc-text-muted, #64748b);
  line-height: 1.4;
}

/* Modus-Tabs (Fallback für JS-Klassen) */
.lena-mode-tabs {
  margin-bottom: 1rem;
  gap: 8px;
}

.lena-mode-tab {
  cursor: pointer;
  border-radius: 9999px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  background: var(--bc-bg-input, #f1f5f9);
  color: var(--bc-text, #0f172a);
}

.lena-mode-tab:hover {
  background: var(--bc-bg, #fff);
  border-color: var(--bc-border, #e2e8f0);
}

.lena-mode-tab.lena-mode-tab--active {
  background: var(--bc-primary, #2563eb);
  color: #fff;
  border-color: var(--bc-primary, #2563eb);
}

/* Video-Section: eingeklappt im Text-Modus */
.lena-video-section.lena-video-section--hidden {
  display: none;
}

/* Debug-Checkbox: linksbündig direkt unter dem Avatar-Video */
.lena-debug-toggle {
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
  text-align: left;
}

.lena-debug-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--bc-text-muted, #64748b);
}

.lena-debug-cb {
  width: 1.125rem;
  height: 1.125rem;
  cursor: pointer;
}

/* Debug-Bereiche: nur sichtbar wenn Debug aktiviert */
.lena-debug-only {
  display: none !important;
}

.lena-video-section.lena-debug-visible .lena-audio-output-row.lena-debug-only {
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.lena-video-section.lena-debug-visible .lena-diagnose.lena-debug-only {
  display: block !important;
}

.lena-video-section.lena-debug-visible .lena-audio-status-block.lena-debug-only {
  display: block !important;
}

/* Erkannt / Letzte Antwort: dauerhaft ausblenden (Inhalt steht im Chat) */
.lena-transcript-display-none {
  display: none !important;
}

/* Abstand zwischen „Kostenlose Beratung…“ und Button „Termin buchen“ */
.lena-booking-open-btn {
  margin-top: 1rem;
}

/* Voice-Panel: PTT Composer (BEM, WhatsApp-ähnlich) */
.lena-voice-panel {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--bc-bg-input, #f8fafc);
  border: 1px solid var(--bc-border, #e2e8f0);
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.lena-ptt {
  margin-bottom: 1rem;
}

.lena-ptt__composer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Runder PTT-Button (min 44px Touch-Target) */
.lena-ptt__btn {
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  border-radius: 50%;
  border: 1px solid var(--bc-border, #e2e8f0);
  background: #fff;
  box-shadow: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background 0.2s ease;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.lena-ptt__btn:hover:not(:disabled):not(.lena-ptt__btn--recording):not(.lena-ptt__btn--locked) {
  transform: scale(1.03);
  box-shadow: none;
}

.lena-ptt__btn:active:not(:disabled):not(.lena-ptt__btn--locked) {
  transform: scale(0.97);
}

.lena-ptt__btn:disabled {
  cursor: not-allowed;
}

.lena-ptt__btn--recording {
  background: #dc2626;
  box-shadow: none;
}

.lena-ptt__btn--recording .lena-ptt__btn-icon {
  color: #fff;
}

.lena-ptt__btn--processing {
  opacity: 0.8;
  cursor: wait;
}

.lena-ptt__btn--denied {
  background: var(--bc-text-muted, #64748b);
  color: #fff;
}

.lena-ptt__btn--locked {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
  opacity: 1;
  cursor: not-allowed;
  pointer-events: none;
}

.lena-ptt__btn--locked .lena-ptt__btn-icon {
  color: #fff;
  opacity: 0.95;
}

/* Diagonale Durchstreich-Linie über dem Mikrofon wenn gesperrt */
.lena-ptt__btn--locked .lena-ptt__btn-icon {
  position: relative;
}

.lena-ptt__btn--locked .lena-ptt__btn-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120%;
  height: 2px;
  background: currentColor;
  transform: translate(-50%, -50%) rotate(-45deg);
  pointer-events: none;
}

.lena-ptt__btn-icon {
  font-size: 26px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lena-ptt__btn--video {
  background: #fff;
  border-color: var(--bc-border, #e2e8f0);
}

.lena-ptt__btn--video .lena-ptt__btn-icon {
  color: #374151;
}

.lena-call-end-btn {
  background: #ef4444;
  border-color: #ef4444;
  color: #fff;
}

@keyframes lena-ptt-pulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(220, 38, 38, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(220, 38, 38, 0.6); }
}

/* Aufnahmeleiste (Composer-Bar): radius 14–18px, shadow */
.lena-ptt__bar {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  border: 1px solid var(--bc-border, #e2e8f0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.lena-ptt__timer {
  font-variant-numeric: tabular-nums;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bc-text, #0f172a);
  min-width: 2.75rem;
}

.lena-ptt__wave-wrap {
  flex: 1;
  min-width: 80px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lena-ptt__wave {
  height: 36px;
  width: 100%;
  border-radius: 6px;
  background: var(--bc-bg-input, #f1f5f9);
  display: block;
}

.lena-ptt__level {
  height: 4px;
  border-radius: 2px;
  background: var(--bc-border, #e2e8f0);
  overflow: hidden;
}

.lena-ptt__level-inner {
  display: block;
  height: 100%;
  background: var(--bc-primary, #2563eb);
  border-radius: 2px;
  transition: width 0.1s ease;
}

.lena-ptt__status {
  font-size: 0.875rem;
  color: var(--bc-text-muted, #64748b);
  white-space: nowrap;
}

.lena-ptt__cancel {
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  color: var(--bc-text, #0f172a);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.lena-ptt__cancel:hover {
  background: rgba(0, 0, 0, 0.12);
}

.lena-ptt__slide-hint {
  margin: 0.5rem 0 0 0;
  font-size: 0.8125rem;
  color: var(--bc-text-muted, #64748b);
}

.lena-ptt-cta-hint {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--bc-text-muted, #64748b);
}

/* Legacy-Klassen (Kompatibilität) */
.lena-ptt-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.lena-ptt-recording-bar { /* Alias für lena-ptt__bar */ }
.lena-ptt-timer { /* Alias für lena-ptt__timer */ }
.lena-ptt-waveform { /* Alias für lena-ptt__wave */ }
.lena-ptt-status { /* Alias für lena-ptt__status */ }

.lena-call-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.lena-call-block .lena-call-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.75rem;
}

.lena-pill {
  border-radius: 9999px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
}

.lena-voice-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 0.75rem;
}

.lena-mic-btn {
  min-width: 140px;
}

.lena-mic-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.lena-mic-btn.lena-mic-btn--listening {
  background: var(--danger, #dc2626);
  color: #fff;
  animation: lena-pulse 1.2s ease-in-out infinite;
}

@keyframes lena-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.lena-mic-btn.lena-mic-btn--denied {
  background: var(--muted, #64748b);
  color: #fff;
}

.lena-toggle-label {
  display: none !important;
}

.lena-handsfree-row {
  display: none !important;
}

.lena-transcript-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 0.5rem;
}

.lena-transcript-row .lena-transcript-input {
  flex: 1;
  min-width: 120px;
  font-size: 14px;
}

.lena-handsfree-hint {
  display: none;
}

.lena-next-steps {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--bc-bg-input, #f8fafc);
  border-radius: 8px;
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.lena-next-steps .lena-cta-chip {
  margin: 0;
}

.lena-booking-panel {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--bc-bg-input, #f8fafc);
  border: 1px solid var(--bc-border, #e2e8f0);
  border-radius: 12px;
}

.lena-booking-panel-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0.5rem;
}

.lena-last-answer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 0.5rem;
}

.lena-last-answer-row .lena-transcript-input {
  flex: 1;
  min-width: 120px;
  font-size: 14px;
}

.lena-audio-hint {
  margin-top: 0.5rem;
  font-size: 12px;
  opacity: 0.85;
}

/* Statuszeile unter Video */
.lena-status-line {
  margin-top: 0.75rem;
  padding: 6px 10px;
  background: var(--bc-bg, #fff);
  border: 1px solid var(--bc-border, #e2e8f0);
  border-radius: 8px;
  font-size: 13px;
  color: var(--bc-text, #0f172a);
}

/* Statuszeile und Eingabegerät nur bei Debug */
.lena-status-line.lena-debug-only,
.lena-audio-input-row.lena-debug-only {
  display: none !important;
}

.lena-video-section.lena-debug-visible .lena-status-line.lena-debug-only {
  display: block !important;
}

.lena-video-section.lena-debug-visible .lena-audio-input-row.lena-debug-only {
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.lena-status-sep {
  margin: 0 6px;
  opacity: 0.5;
}

.lena-chat-section .lena-messages {
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bc-bg-input);
  border: 1px solid var(--bc-border);
  border-radius: 12px;
}

.lena-message {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.lena-message--user {
  background: var(--bc-primary);
  color: #fff;
  margin-left: 1.5rem;
}

.lena-message--assistant {
  background: var(--bc-bg);
  border: 1px solid var(--bc-border);
  color: var(--bc-text);
  margin-right: 1.5rem;
}

.lena-message__role {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
  opacity: 0.9;
}

.lena-input-row {
  display: flex;
  gap: 10px;
  margin-top: 1rem;
  align-items: center;
}

.lena-input-row .bc-input {
  flex: 1;
  min-width: 0;
}

/* Senden-Button deaktiviert während Lena spricht / Cooldown */
.lena-chat-section #lena-send:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--bc-text-muted, #64748b);
  border-color: var(--bc-text-muted, #64748b);
}

.lena-booking-form .lena-slots-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0.75rem;
}

.lena-slot-btn {
  padding: 8px 14px;
  font-size: 14px;
  border-radius: 8px;
  border: 1px solid var(--bc-border);
  background: var(--bc-bg-input);
  color: var(--bc-text);
  cursor: pointer;
}

.lena-slot-btn:hover {
  border-color: var(--bc-focus);
  background: var(--bc-bg);
}

.lena-slot-btn.selected {
  border-color: var(--bc-primary);
  background: var(--bc-primary);
  color: #fff;
}

/* Video-Beratung – Videofenster volle Breite */
.lena-video-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bc-bg);
  border: 1px solid var(--bc-border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1rem;
  position: relative;
}

/* Platzhalter mit Start-Button, wenn Avatar nicht aktiv */
.lena-video-start-overlay {
  position: absolute;
  inset: 0;
  background: #94a3b8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 1;
}

.lena-video-start-overlay[aria-hidden="true"] {
  display: none !important;
}

.lena-video-start-btn {
  padding: 14px 32px;
  font-size: 18px;
  font-weight: 600;
  min-height: 48px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.lena-video-controls {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 4;
}

.lena-video-controls svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lena-limits-hint {
  margin: 0.5rem 0;
}

.lena-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 2;
}

.lena-video-overlay-text {
  margin: 0;
  color: #fff;
  font-size: 14px;
}

.lena-audio-unlock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 3;
}

.lena-audio-unlock-label {
  margin: 0;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

.lena-audio-unlock-btn {
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
}

.lena-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: lena-spin 0.8s linear infinite;
}

@keyframes lena-spin {
  to { transform: rotate(360deg); }
}

.lena-avatar-start-btn--active {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

.lena-audio-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 0.25rem;
}

.lena-audio-volume {
  width: 80px;
  height: 6px;
  accent-color: var(--bc-primary, #2563eb);
}

.lena-video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lena-video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0.5rem;
}

.lena-diagnose {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bc-bg);
  border: 1px solid var(--bc-border);
  border-radius: 8px;
  font-size: 13px;
}

.lena-diagnose summary {
  cursor: pointer;
  font-weight: 600;
}

.lena-diagnose-list {
  margin: 0.5rem 0 0 0;
  padding-left: 1.25rem;
  list-style: disc;
}