/* ============================================================
   CARSPITAL — sensei.css
   Sensei AI chat widget styles.
   Depends on main.css being loaded first.
   Used on: all pages (floating widget) + homepage (full hero)
   ============================================================ */

/* ── SENSEI WIDGET CONTAINER ──────────────────────────────── */
.sensei-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transition: border-color var(--transition-base);
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
}

.sensei-widget:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-red), var(--shadow-lg);
}

/* ── HEADER ───────────────────────────────────────────────── */
.sensei-widget__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sensei-widget__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-white);
  flex-shrink: 0;
  position: relative;
}

/* Pulse ring on avatar — shows Sensei is online */
.sensei-widget__avatar::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  opacity: 0.4;
  animation: senseiPulse 2.5s ease infinite;
}

.sensei-widget__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.sensei-widget__status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.sensei-widget__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
  animation: senseiPulse 2s ease infinite;
}

.sensei-widget__badge {
  margin-left: auto;
  flex-shrink: 0;
}

/* ── MESSAGES AREA ────────────────────────────────────────── */
.sensei-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  min-height: 280px;
  max-height: 380px;
  scroll-behavior: smooth;
}

/* Custom scrollbar */
.sensei-widget__messages::-webkit-scrollbar {
  width: 4px;
}
.sensei-widget__messages::-webkit-scrollbar-track {
  background: transparent;
}
.sensei-widget__messages::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}
.sensei-widget__messages::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-light);
}

/* ── MESSAGE BUBBLES ──────────────────────────────────────── */
.sensei-msg {
  display: flex;
  flex-direction: column;
  max-width: 88%;
  animation: msgSlideIn 0.3s ease forwards;
}

.sensei-msg--bot {
  align-self: flex-start;
}

.sensei-msg--user {
  align-self: flex-end;
  align-items: flex-end;
}

.sensei-msg__bubble {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.sensei-msg--bot .sensei-msg__bubble {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-bottom-left-radius: var(--radius-sm);
}

.sensei-msg--user .sensei-msg__bubble {
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom-right-radius: var(--radius-sm);
}

.sensei-msg__time {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
  padding: 0 4px;
}

/* ── DIAGNOSIS RESULT CARD ────────────────────────────────── */
.sensei-result {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  animation: msgSlideIn 0.4s ease forwards;
}

.sensei-result__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.sensei-result__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.sensei-result__urgency {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sensei-result__urgency--urgent  { background: rgba(232,0,45,0.15);  color: var(--color-primary); }
.sensei-result__urgency--high    { background: rgba(255,107,53,0.15); color: var(--color-accent);  }
.sensei-result__urgency--moderate{ background: rgba(255,184,0,0.15);  color: var(--color-warning); }
.sensei-result__urgency--low     { background: rgba(0,168,107,0.15);  color: var(--color-success); }

.sensei-result__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sensei-result__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sensei-result__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sensei-result__value {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: 1.5;
}

.sensei-result__cost {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-success);
}

.sensei-result__confidence {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sensei-result__confidence-bar {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.sensei-result__confidence-fill {
  height: 100%;
  background: var(--color-success);
  border-radius: var(--radius-full);
  transition: width 0.8s ease;
}

.sensei-result__confidence-pct {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-success);
  flex-shrink: 0;
}

/* CTA buttons after diagnosis */
.sensei-result__ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: rgba(0,0,0,0.2);
}

.sensei-result__cta-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px var(--space-lg);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sensei-result__cta-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-red);
  transform: translateY(-1px);
}

.sensei-result__cta-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px var(--space-lg);
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sensei-result__cta-secondary:hover {
  border-color: var(--color-border-light);
  color: var(--color-text-primary);
  background: var(--color-surface-3);
}

/* ── TYPING INDICATOR ─────────────────────────────────────── */
.sensei-typing {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-sm);
  width: fit-content;
  align-self: flex-start;
}

.sensei-typing__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: typingBounce 1.2s ease infinite;
}

.sensei-typing__dot:nth-child(2) { animation-delay: 0.2s; }
.sensei-typing__dot:nth-child(3) { animation-delay: 0.4s; }

.sensei-typing__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-left: 4px;
}

/* ── VEHICLE INFO BAR ─────────────────────────────────────── */
.sensei-widget__vehicle-bar {
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  background: rgba(0,0,0,0.2);
  flex-shrink: 0;
}

.sensei-vehicle-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.sensei-vehicle-input {
  width: 100%;
  height: 36px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  padding: 0 var(--space-md);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition-fast);
}

.sensei-vehicle-input::placeholder {
  color: var(--color-text-muted);
}

.sensei-vehicle-input:focus {
  border-color: var(--color-primary);
}

/* ── INPUT AREA ───────────────────────────────────────────── */
.sensei-widget__input-area {
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
  flex-shrink: 0;
}

.sensei-widget__input {
  flex: 1;
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  padding: 10px var(--space-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  line-height: 1.5;
  resize: none;
  outline: none;
  min-height: 44px;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sensei-widget__input::placeholder {
  color: var(--color-text-muted);
}

.sensei-widget__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
}

.sensei-widget__send {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.sensei-widget__send:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-red);
  transform: translateY(-1px);
}

.sensei-widget__send:active {
  transform: translateY(0);
}

.sensei-widget__send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── FOOTER BAR ───────────────────────────────────────────── */
.sensei-widget__footer {
  text-align: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sensei-widget__footer a {
  color: var(--color-primary);
  transition: opacity var(--transition-fast);
}

.sensei-widget__footer a:hover {
  opacity: 0.8;
}

/* ── ERROR STATE ──────────────────────────────────────────── */
.sensei-error {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-primary-dim);
  border: 1px solid rgba(232,0,45,0.3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-primary);
  align-self: flex-start;
  max-width: 88%;
  animation: msgSlideIn 0.3s ease forwards;
}

/* ── FLOATING WIDGET (other pages) ───────────────────────── */
.sensei-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-md);
}

.sensei-float__panel {
  width: 380px;
  max-width: calc(100vw - 48px);
  display: none;
  flex-direction: column;
  transform-origin: bottom right;
  animation: floatOpen 0.25s ease forwards;
}

.sensei-float__panel.is-open {
  display: flex;
}

.sensei-float__toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-red), var(--shadow-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  flex-shrink: 0;
  position: relative;
}

.sensei-float__toggle:hover {
  background: var(--color-primary-hover);
  transform: scale(1.08);
}

.sensei-float__toggle-icon {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  transition: transform var(--transition-base);
}

.sensei-float__toggle.is-open .sensei-float__toggle-icon {
  transform: rotate(180deg);
}

/* Notification dot */
.sensei-float__toggle::before {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 10px;
  height: 10px;
  background: var(--color-success);
  border-radius: 50%;
  border: 2px solid var(--color-dark);
}

/* Float widget — smaller messages area */
.sensei-float .sensei-widget__messages {
  min-height: 200px;
  max-height: 280px;
}

/* ── ANIMATIONS ───────────────────────────────────────────── */
@keyframes senseiPulse {
  0%, 100% { opacity: 0.4; transform: scale(1);    }
  50%       { opacity: 0.8; transform: scale(1.05); }
}

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0);    }
  30%            { transform: translateY(-6px); }
}

@keyframes msgSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

@keyframes floatOpen {
  from { opacity: 0; transform: scale(0.92) translateY(10px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (min-width: 640px) {
  .sensei-vehicle-inputs {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .sensei-widget {
    max-width: 100%;
  }

  .sensei-widget__messages {
    min-height: 320px;
    max-height: 420px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .sensei-widget__avatar::after,
  .sensei-widget__status-dot,
  .sensei-typing__dot {
    animation: none;
  }
}