/* ==========================================================================
   Carmen — Layout & Components
   Mobile-first, built for iPhone 15 Pro Max in portrait, safe-area aware.
   Large controls, minimal chrome, calm hierarchy — a functional testing
   prototype, not a marketing surface.
   ========================================================================== */

#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen[hidden] {
  display: none !important;
}

/* ---------- Welcome ---------- */

.welcome {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-7) var(--sp-6);
  padding-top: max(var(--sp-7), env(safe-area-inset-top));
  padding-bottom: max(var(--sp-8), env(safe-area-inset-bottom));
  position: relative;
  overflow: hidden;
}

.welcome__glow {
  position: absolute;
  top: 18%;
  left: 50%;
  width: 420px;
  height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--carmen-gold-dim) 0%, transparent 70%);
  pointer-events: none;
}

.welcome__orb {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--carmen-gold-strong), var(--carmen-gold) 70%);
  box-shadow: 0 0 48px 6px rgba(227, 169, 79, 0.35);
  margin-bottom: var(--sp-6);
  animation: breathe 4.5s ease-in-out infinite;
}

.welcome__title {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-3);
}

.welcome__tagline {
  color: var(--carmen-text-dim);
  font-size: 17px;
  max-width: 320px;
  margin-bottom: var(--sp-8);
}

.welcome__note {
  color: var(--carmen-text-faint);
  font-size: 13px;
  max-width: 300px;
  margin-top: var(--sp-6);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: var(--touch-min);
  padding: 0 var(--sp-6);
  border-radius: var(--radius-round);
  border: none;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--carmen-gold);
  color: #1a1611;
  width: 100%;
  max-width: 320px;
  box-shadow: var(--shadow-soft);
}

.btn-secondary {
  background: var(--carmen-surface-2);
  color: var(--carmen-text);
  border: 1px solid var(--carmen-border);
}

.btn-quiet {
  background: transparent;
  color: var(--carmen-text-dim);
  border: 1px solid var(--carmen-border);
  min-height: 40px;
  padding: 0 var(--sp-4);
  font-size: 15px;
  font-weight: 500;
}

.btn-danger {
  background: var(--carmen-red-dim);
  color: var(--carmen-red);
  border: 1px solid rgba(214, 107, 91, 0.35);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--sp-4);
  border-radius: var(--radius-round);
  border: 1px solid var(--carmen-border);
  background: var(--carmen-surface-2);
  color: var(--carmen-text);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}

.chip:active {
  transform: scale(0.96);
}

.chip-affirm {
  border-color: rgba(111, 168, 158, 0.45);
  color: var(--carmen-teal);
  background: var(--carmen-teal-dim);
}

.chip-decline {
  border-color: rgba(214, 107, 91, 0.4);
  color: var(--carmen-red);
  background: var(--carmen-red-dim);
}

/* ---------- Dashboard shell ---------- */

.dashboard {
  padding-top: env(safe-area-inset-top);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  gap: var(--sp-3);
}

.topbar__identity {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.presence-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--carmen-gold);
  box-shadow: 0 0 10px 2px rgba(227, 169, 79, 0.55);
  flex-shrink: 0;
  animation: breathe 3.2s ease-in-out infinite;
}

.presence-dot.is-listening { background: var(--carmen-red); box-shadow: 0 0 10px 2px rgba(214, 107, 91, 0.55); animation-duration: 1s; }
.presence-dot.is-processing { background: var(--carmen-gold-strong); animation-duration: 0.7s; }
.presence-dot.is-speaking { background: var(--carmen-teal); box-shadow: 0 0 10px 2px rgba(111, 168, 158, 0.55); animation-duration: 1.4s; }

.topbar__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.icon-btn {
  width: var(--touch-min);
  height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-round);
  color: var(--carmen-text-dim);
  cursor: pointer;
}

.icon-btn:active {
  background: var(--carmen-surface-2);
}

.main-scroll {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

/* ---------- Cards ---------- */

.card {
  background: var(--carmen-surface);
  border: 1px solid var(--carmen-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
}

.card + .card {
  margin-top: 0;
}

/* Hero: Carmen's current spoken response */
.hero-response {
  background: linear-gradient(165deg, var(--carmen-surface) 0%, var(--carmen-surface-2) 100%);
  border: 1px solid var(--carmen-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-5);
  position: relative;
  overflow: hidden;
}

.hero-response::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, var(--carmen-gold-dim), transparent 70%);
  pointer-events: none;
}

.hero-response__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--carmen-text-faint);
  margin-bottom: var(--sp-2);
}

.hero-response__text {
  font-size: 21px;
  font-weight: 500;
  line-height: 1.4;
  min-height: 1.4em;
}

/* Pending confirmation banner (Preview / Confirmation state) */
.confirm-banner {
  border: 1px solid rgba(227, 169, 79, 0.4);
  background: var(--carmen-gold-dim);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
}

.confirm-banner[hidden] {
  display: none;
}

.confirm-banner__eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--carmen-gold-strong);
  margin-bottom: var(--sp-2);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.confirm-banner__eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--carmen-gold-strong);
}

.confirm-banner__text {
  font-size: 17px;
  margin-bottom: var(--sp-4);
}

.confirm-banner__actions {
  display: flex;
  gap: var(--sp-3);
}

.confirm-banner__actions .chip {
  flex: 1;
  justify-content: center;
  min-height: 44px;
}

/* Journey status row */
.journey-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.journey-card__info {
  min-width: 0;
}

.journey-card__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--carmen-text-faint);
  margin-bottom: 2px;
}

.journey-card__value {
  font-size: 16px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.journey-card__value.state-idle { color: var(--carmen-text-dim); }
.journey-card__value.state-active { color: var(--carmen-gold-strong); }
.journey-card__value.state-arrived { color: var(--carmen-teal); }

/* ---------- Conversation transcript ---------- */

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--carmen-text-faint);
  padding: 0 2px;
}

.transcript {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-1) 2px;
}

.transcript__empty {
  color: var(--carmen-text-faint);
  font-size: 15px;
  padding: var(--sp-4) 2px;
}

.turn {
  max-width: 86%;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: 15.5px;
  line-height: 1.4;
  word-wrap: break-word;
}

.turn-user {
  align-self: flex-end;
  background: var(--carmen-gold);
  color: #1a1611;
  border-bottom-right-radius: var(--sp-1);
}

.turn-carmen {
  align-self: flex-start;
  background: var(--carmen-surface-2);
  border: 1px solid var(--carmen-border-soft);
  border-bottom-left-radius: var(--sp-1);
}

.turn-meta {
  font-size: 11px;
  color: var(--carmen-text-faint);
  margin-top: 2px;
  padding: 0 2px;
}

/* ---------- Quick suggestions ---------- */

.quick-row {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding: 2px 2px var(--sp-1);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.quick-row::-webkit-scrollbar {
  display: none;
}

/* ---------- Diagnostics (debug panels, mirrors native VoiceView) ---------- */

.diagnostics {
  border: 1px solid var(--carmen-border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--carmen-surface);
}

.diagnostics__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--carmen-text);
}

.diagnostics__chevron {
  transition: transform 0.2s ease;
  color: var(--carmen-text-faint);
}

.diagnostics.is-open .diagnostics__chevron {
  transform: rotate(180deg);
}

.diagnostics__body {
  display: none;
  padding: 0 var(--sp-5) var(--sp-5);
  flex-direction: column;
  gap: var(--sp-4);
}

.diagnostics.is-open .diagnostics__body {
  display: flex;
}

.debug-panel {
  background: var(--carmen-surface-2);
  border: 1px solid var(--carmen-border-soft);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
}

.debug-panel__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--carmen-text-faint);
  margin-bottom: var(--sp-3);
}

.debug-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-1) 0;
  font-size: 13px;
}

.debug-row__label {
  color: var(--carmen-text-dim);
  flex-shrink: 0;
}

.debug-row__value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--carmen-text);
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Voice / input dock ---------- */

.dock {
  padding: var(--sp-3) var(--sp-5);
  padding-bottom: max(var(--sp-4), env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--carmen-bg) 60%, transparent);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.orb-row {
  display: flex;
  justify-content: center;
}

.talk-btn {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 35% 30%, var(--carmen-gold-strong), var(--carmen-gold) 75%);
  box-shadow: 0 0 0 6px var(--carmen-gold-dim), 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.12s ease;
  color: #1a1611;
}

.talk-btn:active {
  transform: scale(0.96);
}

.talk-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.talk-btn.state-listening {
  background: radial-gradient(circle at 35% 30%, #e8897a, var(--carmen-red) 75%);
  box-shadow: 0 0 0 6px var(--carmen-red-dim), 0 10px 30px rgba(0, 0, 0, 0.4);
  animation: pulse-ring 1.1s ease-out infinite;
}

.talk-btn.state-processing {
  background: radial-gradient(circle at 35% 30%, var(--carmen-gold-strong), #caa15a 75%);
}

.talk-btn.state-speaking {
  background: radial-gradient(circle at 35% 30%, #8fc4ba, var(--carmen-teal) 75%);
  box-shadow: 0 0 0 6px var(--carmen-teal-dim), 0 10px 30px rgba(0, 0, 0, 0.4);
}

.talk-btn svg {
  width: 32px;
  height: 32px;
}

.listening-indicator {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  height: 10px;
}

.listening-indicator[hidden] {
  display: none;
}

.listening-indicator .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--carmen-red);
  animation: bounce-dot 0.9s ease-in-out infinite;
}

.listening-indicator .dot:nth-child(2) { animation-delay: 0.15s; }
.listening-indicator .dot:nth-child(3) { animation-delay: 0.3s; }

.live-transcript {
  text-align: center;
  color: var(--carmen-text-dim);
  font-size: 14px;
  min-height: 18px;
  font-style: italic;
}

.type-row {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
}

.type-input {
  flex: 1;
  min-height: var(--touch-min);
  border-radius: var(--radius-round);
  border: 1px solid var(--carmen-border);
  background: var(--carmen-surface-2);
  color: var(--carmen-text);
  padding: 0 var(--sp-5);
  font-size: 16px;
  outline: none;
}

.type-input:focus {
  border-color: var(--carmen-gold);
}

.send-btn {
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: 50%;
  border: none;
  background: var(--carmen-gold);
  color: #1a1611;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.send-btn:disabled {
  opacity: 0.4;
}

.voice-fallback-note {
  font-size: 12px;
  color: var(--carmen-text-faint);
  text-align: center;
}

/* ---------- Toast (permission / errors) ---------- */

.toast-layer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: env(safe-area-inset-bottom);
  display: flex;
  justify-content: center;
  padding: var(--sp-4);
  pointer-events: none;
  z-index: 50;
}

.toast {
  pointer-events: auto;
  max-width: 420px;
  background: var(--carmen-surface-2);
  border: 1px solid var(--carmen-border);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  box-shadow: var(--shadow-soft);
  font-size: 14.5px;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  animation: toast-in 0.2s ease-out;
}

.toast.is-error {
  border-color: rgba(214, 107, 91, 0.5);
}

.toast.is-error .toast__icon {
  color: var(--carmen-red);
}

.toast__icon {
  color: var(--carmen-gold);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---------- Animations ---------- */

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.12); opacity: 0.82; }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 6px var(--carmen-red-dim), 0 10px 30px rgba(0,0,0,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(214, 107, 91, 0.10), 0 10px 30px rgba(0,0,0,0.4); }
  100% { box-shadow: 0 0 0 6px var(--carmen-red-dim), 0 10px 30px rgba(0,0,0,0.4); }
}

@keyframes bounce-dot {
  0%, 100% { transform: scale(0.6); opacity: 0.5; }
  50% { transform: scale(1); opacity: 1; }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ceiling (still fine on desktop for review) ---------- */

@media (min-width: 480px) {
  .screen {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  body {
    background: #0a0908;
  }
}