@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;600&display=swap");

/* ===== Nordic Warmth Design System ===== */
/* Scandinavian hygge: light wood, soft cream, muted blue-gray */

:root {
  /* Typography */
  --ui-font-sans: "Space Grotesk", "Sora", "Segoe UI", sans-serif;
  --ui-font-mono: "Space Mono", "SFMono-Regular", monospace;

  /* Nordic Warmth Palette */
  --ui-color-ink: #3D3A36;           /* Warm dark text */
  --ui-color-muted: #6B6860;         /* Secondary text */
  --ui-color-border: #E5E0D8;        /* Warm gray border */
  --ui-color-surface: #FAF8F5;       /* Linen - off-white */
  --ui-color-raised: #FEFDFB;        /* Cream - pure background */
  --ui-color-birch: #F5F0E8;         /* Light wood tone */
  --ui-color-oak: #E8DFD0;           /* Warm wood tone */

  /* Accent Colors */
  --ui-color-primary: #6B7B8A;       /* Muted blue-gray (slate) */
  --ui-color-primary-ink: #FEFDFB;   /* Light text on primary */
  --ui-color-secondary: #7A8B7A;     /* Sage green */
  --ui-color-accent: #D4A574;        /* Amber/golden */
  --ui-color-danger: #C4847A;        /* Soft coral */
  --ui-color-info: #8A9BA8;          /* Sky blue-gray */
  --ui-color-success: #7A8B7A;       /* Sage */

  /* Spacing & Radius */
  --ui-radius-md: 16px;
  --ui-radius-sm: 12px;
  --ui-radius-xs: 8px;

  /* Shadows - softer, warmer */
  --ui-shadow-sm: 0 4px 16px rgba(61, 58, 54, 0.06);
  --ui-shadow-md: 0 8px 24px rgba(61, 58, 54, 0.08);
  --ui-shadow-lg: 0 16px 48px rgba(61, 58, 54, 0.12);
  --ui-sticky-top: calc(8px + env(safe-area-inset-top, 0px));
  --ui-hero-header-height: 64px;
  --ui-controls-sticky-gap: 8px;
  --ui-z-controls-sticky: 34;
  --ui-z-header-sticky: 240;
  --ui-z-overflow-menu: 260;
  --ui-z-overlay-backdrop: 1900;
  --ui-z-overlay-drawer: 1910;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

.radial-progress[hidden],
.ui-radial-progress[hidden] {
  display: none !important;
}

body.app-body {
  margin: 0;
  color: var(--ui-color-ink);
  font-family: var(--ui-font-sans);
  min-height: 100vh;
  background: linear-gradient(145deg, var(--ui-color-raised) 0%, var(--ui-color-birch) 100%);
}

.app-shell {
  min-height: 100vh;
  padding: 32px;
  max-width: 1400px;
  margin: 0 auto;
}

.ui-hero {
  background: var(--ui-color-raised);
  border-radius: var(--ui-radius-md);
  border: 1px solid var(--ui-color-border);
  box-shadow: var(--ui-shadow-md);
  padding: 32px;
  display: grid;
  gap: 16px;
}

.ui-hero__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  position: sticky;
  top: var(--ui-sticky-top);
  z-index: var(--ui-z-header-sticky);
  isolation: isolate;
  background: var(--ui-color-raised);
  border-radius: var(--ui-radius-sm);
  padding: 8px;
}

.ui-overflow-menu {
  position: relative;
  display: flex;
  align-items: flex-start;
  z-index: var(--ui-z-overflow-menu);
}

.ui-overflow-menu__button {
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  height: 44px;
  padding: 10px;
  line-height: 1;
}

.ui-overflow-menu__list {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--ui-color-raised);
  border: 1px solid var(--ui-color-border);
  border-radius: var(--ui-radius-sm);
  padding: 8px;
  display: grid;
  gap: 6px;
  min-width: 200px;
  box-shadow: var(--ui-shadow-md);
  z-index: calc(var(--ui-z-overflow-menu) + 1);
}

.ui-overflow-menu__item {
  width: 100%;
  justify-content: flex-start;
}

.ui-hero__heading {
  display: grid;
  gap: 6px;
}

.ui-hero__body {
  display: grid;
  gap: 12px;
}

.ui-hero__toggle {
  margin-top: 2px;
}

.ui-hero--collapsed {
  padding: 2px 0;
  gap: 0;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.ui-hero--collapsed .ui-hero__header {
  padding: 6px 8px;
  background: var(--ui-color-raised);
  border: 1px solid var(--ui-color-border);
  box-shadow: var(--ui-shadow-sm);
}

.ui-hero--collapsed + .ui-controls-panel.ui-panel {
  margin-top: -18px;
}

.ui-hero--collapsed .ui-hero__eyebrow,
.ui-hero--collapsed .ui-hero__subtitle {
  display: none;
}

.ui-hero--collapsed .ui-hero__heading {
  gap: 0;
}

.ui-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ui-color-primary);
  font-weight: 600;
}

.ui-hero__title {
  margin: 0;
  font-size: 36px;
  font-weight: 700;
  color: var(--ui-color-ink);
  letter-spacing: -0.02em;
}

.ui-hero__subtitle {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  max-width: 720px;
  color: var(--ui-color-muted);
}

.ui-hero__steps {
  margin: 8px 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  color: var(--ui-color-ink);
}

.ui-hero__steps li {
  padding-left: 4px;
}

.ui-hero__note,
.ui-hero__callout {
  border-radius: var(--ui-radius-sm);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.5;
}

.ui-hero__note {
  background: var(--ui-color-birch);
  border-left: 4px solid var(--ui-color-primary);
  color: var(--ui-color-ink);
}

.ui-hero__callout {
  background: linear-gradient(135deg, #FDF8F0, #FAF5EB);
  border-left: 4px solid var(--ui-color-accent);
  color: var(--ui-color-ink);
}
.ui-button,
.ui-icon-button,
.ui-panel,
.ui-pill,
.ui-transcript__row {
  font-family: var(--ui-font-sans);
}

.ui-button {
  align-items: center;
  border-radius: var(--ui-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  justify-content: center;
  padding: 12px 20px;
  transition: all 0.2s ease;
}

.ui-button--primary {
  background: var(--ui-color-primary);
  color: var(--ui-color-primary-ink);
  box-shadow: var(--ui-shadow-sm);
}

.ui-button--primary:not(:disabled):hover {
  background: #5A6A78;
  box-shadow: var(--ui-shadow-md);
}

.ui-button--secondary {
  background: var(--ui-color-raised);
  color: var(--ui-color-ink);
  border-color: var(--ui-color-border);
}

.ui-button--secondary:not(:disabled):hover {
  background: var(--ui-color-birch);
  border-color: var(--ui-color-primary);
}

.ui-button--ghost {
  background: transparent;
  color: var(--ui-color-muted);
  border-color: var(--ui-color-border);
}

.ui-button--ghost:not(:disabled):hover {
  background: var(--ui-color-birch);
  color: var(--ui-color-ink);
}

.ui-button--danger {
  background: var(--ui-color-danger);
  color: var(--ui-color-raised);
}

.ui-button--danger:not(:disabled):hover {
  background: #B5746A;
}

.ui-button--sm {
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--ui-radius-xs);
}

.ui-button--lg {
  font-size: 16px;
  padding: 14px 28px;
  border-radius: var(--ui-radius-md);
}

.ui-button--ready {
  border-color: var(--ui-color-accent);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.2);
}

.ui-button--ready.ui-button--primary {
  background: var(--ui-color-secondary);
}

.ui-button--ready.ui-button--secondary {
  background: #FDF8F0;
  color: var(--ui-color-ink);
  border-color: var(--ui-color-accent);
}

.ui-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.ui-button:not(:disabled):hover {
  transform: translateY(-1px);
}

.ui-button__icon {
  font-size: 16px;
  line-height: 1;
}

.ui-icon-button {
  align-items: center;
  background: var(--ui-color-surface);
  border-radius: 999px;
  border: 1px solid var(--ui-color-border);
  color: var(--ui-color-ink);
  cursor: pointer;
  display: inline-flex;
  height: 40px;
  justify-content: center;
  padding: 0 14px;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.ui-icon-button--ghost {
  background: transparent;
}

.ui-icon-button--primary {
  background: var(--ui-color-primary);
  color: var(--ui-color-primary-ink);
  border-color: transparent;
}

.ui-icon-button--danger {
  background: var(--ui-color-danger);
  color: #fff6f5;
  border-color: transparent;
}

.ui-icon-button--sm {
  height: 34px;
  padding: 0 12px;
}

.ui-icon-button--lg {
  height: 46px;
  padding: 0 16px;
}

.ui-icon-button__icon {
  font-size: 18px;
  line-height: 1;
}

.ui-panel {
  background: var(--ui-color-raised);
  border-radius: var(--ui-radius-md);
  border: 1px solid var(--ui-color-border);
  padding: 24px;
  box-shadow: var(--ui-shadow-sm);
}

.ui-panel--elevated {
  background: var(--ui-color-raised);
  box-shadow: var(--ui-shadow-md);
  border-color: transparent;
}

.ui-panel--outline {
  background: var(--ui-color-birch);
  border: 2px dashed var(--ui-color-border);
  box-shadow: none;
}

.ui-panel__header {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.ui-panel__header--actions {
  grid-template-columns: 1fr auto;
  align-items: start;
}

.ui-panel__actions {
  display: flex;
  justify-content: flex-end;
}

.ui-panel__title {
  font-size: 20px;
  margin: 0;
}

.ui-panel__subtitle {
  color: var(--ui-color-muted);
  font-size: 14px;
  margin: 0;
}

.ui-panel__body {
  display: grid;
  gap: 12px;
}

.ui-panel__footer {
  border-top: 1px solid var(--ui-color-border);
  margin-top: 18px;
  padding-top: 14px;
}

.ui-panel--collapsed .ui-panel__body,
.ui-panel--collapsed .ui-panel__footer {
  display: none;
}

.ui-panel--collapsed .ui-panel__subtitle {
  display: none;
}

.ui-panel--collapsed .ui-panel__header {
  margin-bottom: 0;
}

.ui-field {
  display: grid;
  gap: 6px;
}

.ui-field__label {
  color: var(--ui-color-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ui-field__input {
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-color-border);
  padding: 10px 12px;
  background: #fffef9;
  font-family: var(--ui-font-sans);
  font-size: 14px;
}

.ui-toggle {
  display: grid;
  gap: 8px;
}

.ui-toggle__group {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ui-toggle__button--active {
  background: var(--ui-color-primary);
  color: var(--ui-color-primary-ink);
  border-color: transparent;
  box-shadow: var(--ui-shadow-sm);
}

.ui-field__input[type="file"] {
  padding: 8px;
}

.ui-field__help {
  margin: 0;
  color: var(--ui-color-muted);
  font-size: 12px;
}

.ui-field__error {
  margin: 0;
  color: var(--ui-color-danger);
  font-size: 12px;
}

.ui-field__warning {
  margin: 0;
  color: #8a5b10;
  font-size: 12px;
}

.ui-cta-hint {
  font-size: 13px;
}

.ui-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

@property --ui-progress-value {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

.ui-radial-progress {
  --size: 2rem;
  --thickness: 3px;
  --ui-progress-value: 30;
  --value: var(--ui-progress-value);
  color: var(--ui-color-primary);
}

.ui-radial-progress--sm {
  --size: 1.8rem;
  --thickness: 3px;
}

.ui-radial-progress--active {
  animation: ui-spin 1s linear infinite, ui-progress 1.4s ease-in-out infinite;
}

.ui-score__header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ui-score__progress {
  margin-top: 2px;
}

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

@keyframes ui-progress {
  0% {
    --ui-progress-value: 12;
  }
  50% {
    --ui-progress-value: 82;
  }
  100% {
    --ui-progress-value: 12;
  }
}

.ui-state-text {
  font-size: 14px;
  line-height: 1.4;
}

.ui-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.ui-list__item {
  background: #fffdf8;
  border-radius: var(--ui-radius-sm);
  border: 1px solid var(--ui-color-border);
  padding: 10px 12px;
  font-size: 14px;
}

.ui-question {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}

.ui-question__text {
  flex: 1;
  color: var(--ui-color-ink);
}

.ui-question__controls {
  flex-shrink: 0;
  display: grid;
  gap: 6px;
  justify-items: start;
  order: -1;
}

.ui-question__select {
  border-radius: 999px;
  border: 1px solid var(--ui-color-border);
  background: #fff;
  color: var(--ui-color-ink);
  font-size: 12px;
  padding: 4px 10px;
}

.ui-question__pin {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
}

.ui-question--pinned {
  border-color: var(--ui-color-primary);
  box-shadow: var(--ui-shadow-sm);
}

.ui-question--not_started {
  border-left: 3px solid var(--ui-color-border);
}

.ui-question--started {
  border-left: 3px solid var(--ui-color-accent);
  background: #fdf7ee;
}

.ui-question--answered {
  border-left: 3px solid var(--ui-color-primary);
  background: #f2f8f4;
}

.ui-insights {
  display: grid;
  gap: 12px;
}

.ui-insights__header {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  align-items: flex-start;
}

.ui-insights__question {
  font-size: 14px;
  font-weight: 600;
}

.ui-insights__pin {
  background: var(--ui-color-primary);
  color: var(--ui-color-primary-ink);
  border-radius: 999px;
  font-size: 11px;
  padding: 2px 8px;
  height: fit-content;
}

.ui-insights__empty {
  font-size: 12px;
  color: var(--ui-color-muted);
}

.ui-insights__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ui-color-muted);
}

.ui-insights__text {
  margin: 0;
  font-size: 13px;
}

.ui-insights__help {
  background: #f1f6ff;
  border: 1px solid #cfe0ff;
  border-radius: var(--ui-radius-sm);
  font-size: 13px;
  padding: 10px 12px;
  white-space: pre-wrap;
}

.ui-insights__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
  font-size: 13px;
}

.ui-insights__list--focus {
  padding-left: 0;
}

.ui-insights__focus-item {
  list-style: none;
}

.ui-insights__focus-title {
  font-weight: 600;
}

.ui-insights__focus-description {
  color: var(--ui-color-muted);
  font-size: 12px;
}

.ui-insights__empty-item {
  color: var(--ui-color-muted);
  font-style: italic;
}

.ui-score {
  display: grid;
  gap: 12px;
}

.ui-score__value {
  font-size: 32px;
  font-weight: 700;
}

.ui-score__summary {
  margin: 0;
  font-size: 14px;
  color: var(--ui-color-ink);
}

.ui-score__label {
  color: var(--ui-color-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ui-score__list {
  margin: 0;
  padding-left: 18px;
  color: var(--ui-color-ink);
  font-size: 13px;
}

.ui-meta {
  margin: 0;
  color: var(--ui-color-muted);
  font-size: 12px;
}

.ui-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.ui-pill {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 12px;
  font-weight: 600;
  gap: 6px;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  text-transform: uppercase;
}

.ui-pill--neutral {
  background: var(--ui-color-birch);
  color: var(--ui-color-muted);
}

.ui-pill--success {
  background: rgba(122, 139, 122, 0.15);
  color: #5A6B5A;
}

.ui-pill--warning {
  background: rgba(212, 165, 116, 0.2);
  color: #8B6B40;
}

.ui-pill--danger {
  background: rgba(196, 132, 122, 0.2);
  color: #8B5A52;
}

.ui-pill--info {
  background: rgba(138, 155, 168, 0.2);
  color: #5A6B78;
}

.ui-pill__icon {
  font-size: 13px;
}

.ui-transcript__row {
  border-left: 3px solid transparent;
  border-radius: var(--ui-radius-sm);
  display: grid;
  gap: 8px;
  padding: 12px 16px;
}

.ui-transcript__row--coach {
  background: #f2f7f4;
  border-left-color: var(--ui-color-primary);
}

.ui-transcript__row--coach_feedback {
  background: #f2f7f4;
  border-left-color: var(--ui-color-primary);
}

.ui-transcript__row--candidate {
  background: #f9f4ec;
  border-left-color: var(--ui-color-accent);
}

.ui-transcript__row--system {
  background: #f2f1ef;
  border-left-color: var(--ui-color-muted);
}

.ui-transcript__meta {
  color: var(--ui-color-muted);
  display: flex;
  font-size: 12px;
  justify-content: space-between;
  text-transform: uppercase;
}

.ui-transcript__text {
  font-size: 15px;
  color: var(--ui-color-ink);
}

.ui-markdown p {
  margin: 0 0 8px;
}

.ui-markdown p:last-child {
  margin-bottom: 0;
}

.ui-markdown ul,
.ui-markdown ol {
  margin: 0;
  padding-left: 18px;
}

.ui-markdown li {
  margin-bottom: 4px;
}

.ui-markdown code {
  font-family: var(--ui-font-mono);
  font-size: 0.92em;
  background: #efece6;
  border-radius: 4px;
  padding: 1px 4px;
}

.ui-markdown pre {
  font-family: var(--ui-font-mono);
  background: #efece6;
  border-radius: 6px;
  padding: 10px 12px;
  overflow-x: auto;
  margin: 0;
}

.ui-transcript__list {
  max-height: clamp(240px, 40vh, 520px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-right: 6px;
  scrollbar-gutter: stable;
}

.ui-caption {
  padding: 10px 12px;
  border-radius: 10px;
  background: #f8f6f2;
  border: 1px dashed #e5e7eb;
  display: grid;
  gap: 6px;
}

.ui-caption__label {
  font-size: 11px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ui-caption__text {
  font-size: 14px;
  color: #111827;
  line-height: 1.4;
  word-break: break-word;
}

.ui-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.ui-metric-card {
  padding: 12px;
  border-radius: 10px;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
}

.ui-metric-card__label {
  font-size: 12px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ui-metric-card__value {
  font-size: 20px;
  font-weight: 600;
  margin-top: 4px;
  color: #111827;
}

.ui-log-histogram {
  padding: 12px;
  border-radius: 10px;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  display: grid;
  gap: 8px;
}

.ui-log-histogram__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.ui-log-histogram__label {
  font-size: 12px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ui-log-lines__chart {
  width: 100%;
  height: 72px;
  display: block;
}

.ui-log-lines__baseline {
  stroke: #e5e7eb;
  stroke-width: 1;
}

.ui-log-lines__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: center;
  font-size: 12px;
  color: #6b7280;
}

.ui-log-lines__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ui-log-lines__swatch {
  width: 10px;
  height: 2px;
  border-radius: 999px;
  display: inline-block;
}

.ui-log-lines__name {
  font-size: 12px;
}

.ui-log-lines__empty {
  font-size: 12px;
  color: #9ca3af;
}

.ui-log-histogram__bars {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(4px, 1fr);
  align-items: end;
  gap: 4px;
  height: 64px;
}

.ui-log-histogram__bar {
  background: var(--ui-color-primary);
  border-radius: 4px 4px 2px 2px;
  min-height: 3px;
  opacity: 0.82;
  transition: height 0.2s ease;
}

.ui-log-histogram__bars--errors .ui-log-histogram__bar {
  background: var(--ui-color-danger);
}


.ui-controls-panel.ui-panel {
  padding: 8px 10px;
  position: sticky;
  top: calc(var(--ui-sticky-top) + min(var(--ui-hero-header-height), 72px) + var(--ui-controls-sticky-gap));
  z-index: var(--ui-z-controls-sticky);
}

.ui-controls-panel .ui-panel__header {
  margin-bottom: 0;
  gap: 0;
}

.ui-controls-panel .ui-panel__title {
  font-size: 17px;
  line-height: 1.15;
}

.ui-controls-panel .ui-panel__body {
  gap: 2px;
}

.ui-controls-panel .ui-controls__row {
  gap: 4px;
}

.ui-controls-panel .ui-controls__status {
  gap: 1px;
}

.ui-controls-panel .ui-button {
  min-height: 32px;
  padding: 6px 10px;
}

.ui-controls-panel .ui-button--md {
  min-height: 34px;
  padding: 7px 11px;
}

.ui-controls__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ui-controls__status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ui-controls__status {
  display: grid;
  gap: 4px;
}

.ui-controls__subtext {
  margin: 0;
  font-size: 13px;
  line-height: 1.35;
  color: var(--ui-color-muted);
}

.ui-controls__row--actions {
  align-items: center;
}

.ui-controls__row--results {
  align-items: center;
  gap: 6px;
}

.ui-controls__export {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ui-controls__export-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ui-color-muted);
}

.ui-controls--results .ui-controls__row--actions,
.ui-controls--results .ui-controls__hint {
  display: none;
}

.ui-controls__restart {
  display: grid;
  gap: 6px;
}

.ui-controls__hint {
  margin: 0;
  font-size: 12px;
  color: var(--ui-color-muted);
  background: #fffdf8;
  border-radius: var(--ui-radius-sm);
  border: 1px dashed var(--ui-color-border);
  padding: 6px 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui-controls__row--tools {
  justify-content: flex-start;
}

.ui-drawer {
  background: var(--ui-color-raised);
  border-right: 1px solid var(--ui-color-border);
  box-shadow: var(--ui-shadow-lg);
  display: grid;
  gap: 16px;
  height: 100vh;
  height: 100dvh;
  left: 0;
  overflow-y: auto;
  padding: calc(20px + env(safe-area-inset-top, 0px)) 22px calc(24px + env(safe-area-inset-bottom, 0px));
  position: fixed;
  top: 0;
  transform: translateX(-110%);
  transition: transform 0.2s ease;
  width: min(640px, 100vw);
  z-index: var(--ui-z-overlay-drawer);
}

.ui-drawer--open {
  transform: translateX(0);
}

.ui-drawer__backdrop {
  background: rgba(17, 15, 10, 0.45);
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  transition: opacity 0.2s ease;
  z-index: var(--ui-z-overlay-backdrop);
}

.ui-drawer__backdrop--open {
  opacity: 1;
  pointer-events: auto;
}

.ui-drawer__header {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--ui-color-raised);
  padding-top: 4px;
  padding-bottom: 8px;
  z-index: 1;
}

.ui-drawer__heading {
  display: grid;
  gap: 4px;
}

.ui-drawer__title {
  font-size: 18px;
  margin: 0;
}

.ui-drawer__subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--ui-color-muted);
}

.ui-drawer__section {
  border-bottom: 1px solid var(--ui-color-border);
  display: grid;
  gap: 8px;
  padding-bottom: 12px;
}

.ui-drawer__section:last-child {
  border-bottom: none;
}

.ui-drawer__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ui-field__input--textarea {
  min-height: 96px;
  resize: vertical;
}

.ui-field__input--number {
  max-width: 140px;
}

.layout-split {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 2fr);
  align-items: start;
}

.layout-split--single {
  grid-template-columns: 1fr;
}

.layout-page {
  display: grid;
  gap: 16px;
}

.layout-duo {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 1fr);
  align-items: start;
}

.layout-duo--single {
  grid-template-columns: 1fr;
}

.layout-stack {
  display: grid;
  gap: 16px;
}

.ui-panel--sticky {
  position: sticky;
  top: 24px;
  align-self: start;
}

@media (max-width: 900px) {
  .layout-split {
    grid-template-columns: 1fr;
  }

  .layout-duo {
    grid-template-columns: 1fr;
  }

  .app-shell {
    padding: 24px;
  }

  .ui-controls-panel.ui-panel {
    position: static;
    top: auto;
    z-index: auto;
  }

  .ui-controls__row--actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .ui-controls__row--actions .ui-button:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .app-shell {
    padding: 18px;
  }

  .ui-hero--collapsed {
    padding: 0;
  }

  .ui-controls-panel.ui-panel {
    top: calc(6px + env(safe-area-inset-top, 0px) + min(var(--ui-hero-header-height), 64px) + 6px);
    padding: 6px 8px;
  }

  .ui-controls-panel .ui-panel__title {
    font-size: 16px;
  }

  .ui-hero__header {
    top: calc(6px + env(safe-area-inset-top, 0px));
    padding: 6px;
  }

  .ui-hero--collapsed + .ui-controls-panel.ui-panel {
    margin-top: -14px;
  }
}

/* ===== Learning Card Component ===== */
/* Teach-first coaching: shows example before question */

.ui-learning-card {
  background: linear-gradient(135deg, #fdfcfa, #f8f6f2);
  border-radius: var(--ui-radius-md);
  border: 1px solid var(--ui-color-border);
  box-shadow: var(--ui-shadow-sm);
  padding: 24px;
  display: grid;
  gap: 20px;
}

.ui-learning-card__header {
  display: grid;
  gap: 4px;
}

.ui-learning-card__eyebrow {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ui-color-primary);
  font-weight: 600;
}

.ui-learning-card__title {
  margin: 0;
  font-size: 20px;
  color: var(--ui-color-ink);
}

.ui-learning-card__preview {
  background: #fff;
  border-radius: var(--ui-radius-sm);
  border: 1px dashed var(--ui-color-border);
  padding: 12px 14px;
  display: grid;
  gap: 6px;
}

.ui-learning-card__preview-text {
  margin: 0;
  font-size: 13px;
  color: var(--ui-color-muted);
  font-style: italic;
}

.ui-learning-card__section {
  display: grid;
  gap: 8px;
}

.ui-learning-card__section--fact {
  background: #f2f8f4;
  border-radius: var(--ui-radius-sm);
  padding: 14px 16px;
  border-left: 3px solid var(--ui-color-primary);
}

.ui-learning-card__section--example {
  background: #fff;
  border-radius: var(--ui-radius-sm);
  padding: 14px 16px;
  border: 1px solid var(--ui-color-border);
}

.ui-learning-card__section--why {
  background: #fffbf5;
  border-radius: var(--ui-radius-sm);
  padding: 14px 16px;
  border-left: 3px solid var(--ui-color-accent);
}

.ui-learning-card__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ui-color-muted);
}

.ui-learning-card__blockquote {
  margin: 0;
  font-size: 14px;
  color: var(--ui-color-ink);
  line-height: 1.5;
}

.ui-learning-card__text {
  margin: 0;
  font-size: 14px;
  color: var(--ui-color-ink);
  line-height: 1.5;
}

.ui-learning-card__text--muted {
  color: var(--ui-color-muted);
  font-size: 13px;
}

.ui-learning-card__footer {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.sr-only {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

/* ===== Phase 0: Accessibility Foundation ===== */

/* Focus indicators for all interactive elements */
.ui-button:focus-visible,
.ui-icon-button:focus-visible,
.ui-field__input:focus-visible,
.ui-question__select:focus-visible,
.ui-question__pin:focus-visible,
.ui-toggle__button:focus-visible,
[tabindex]:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--ui-color-primary);
  outline-offset: 2px;
}

/* Skip-to-main link (visually hidden until focused) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--ui-color-primary);
  color: var(--ui-color-primary-ink);
  padding: 8px 16px;
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
  border-radius: 0 0 var(--ui-radius-sm) 0;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Status region styling for aria-live */
[aria-live] {
  position: relative;
}

/* Visually indicate live regions in dev mode (optional, remove for production) */
[data-dev-mode="true"] [aria-live]::after {
  content: "LIVE";
  position: absolute;
  top: 0;
  right: 0;
  font-size: 8px;
  background: var(--ui-color-accent);
  color: #000;
  padding: 1px 4px;
  border-radius: 2px;
  opacity: 0.5;
}