/* =====================================================
   AG102 Three-Tiered Balance UI Components (Phase 4B-1)
   Class prefix: bc3t-  (balance-components-3-tier)
   Reuses AG102 design tokens: --wing-accent, --ag-surface,
   --ag-border, --ag-text-muted.
   55+ audience: 18px+ text, 48px+ tap targets.
   ===================================================== */

/* ---------- shared spacing ---------- */
.bc3t-timer,
.bc3t-support,
.bc3t-trials {
  margin: 1rem 0;
}

/* =====================================================
   1. TIMER
   ===================================================== */

.bc3t-timer {
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
}

.bc3t-timer-display {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 3rem;
  font-weight: 700;
  /* Fix(4B-2.1): use theme token so light-mode renders dark numbers on white. */
  color: var(--ag-text, #fff);
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 1rem;
}

.bc3t-timer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.bc3t-timer-controls .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  min-height: 48px;
  min-width: 96px;
  transition: background 0.15s;
}

.bc3t-timer-controls .btn-primary {
  background: var(--wing-accent, #4A90D9);
  color: #fff;
}

.bc3t-timer-controls .btn-primary:hover:not(:disabled) {
  background: var(--wing-accent-light, #6BA8E8);
}

.bc3t-timer-controls .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-timer-controls .btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.bc3t-timer-controls .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bc3t-timer-mute[aria-pressed="true"] {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.55);
}

.bc3t-timer-tts-warn {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--ag-text-muted, #9CA3AF);
  font-style: italic;
}

/* =====================================================
   2. SUPPORT-LEVEL SELECTOR
   ===================================================== */

.bc3t-support {
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  padding: 1.25rem;
}

.bc3t-support-label {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ag-text, #fff);
  margin-bottom: 0.5rem;
}

.bc3t-support-select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.125rem;
  font-family: inherit;
  color: var(--ag-text, #fff);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.15));
  border-radius: 8px;
  min-height: 48px;
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ag-text-muted, #9CA3AF) 50%),
    linear-gradient(135deg, var(--ag-text-muted, #9CA3AF) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}

.bc3t-support-select:focus {
  outline: 2px solid var(--wing-accent, #4A90D9);
  outline-offset: 2px;
  border-color: var(--wing-accent, #4A90D9);
}

.bc3t-support-dialog {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(74, 144, 217, 0.08);
  border: 1px solid var(--wing-accent, #4A90D9);
  border-radius: 8px;
}

.bc3t-support-dialog[hidden] {
  display: none;
}

.bc3t-support-dialog-text {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ag-text, #fff);
  margin-bottom: 0.75rem;
}

.bc3t-support-dialog-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.bc3t-support-dialog-controls .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  min-height: 48px;
  flex: 1 1 auto;
}

.bc3t-support-dialog-controls .btn-primary {
  background: var(--wing-accent, #4A90D9);
  color: #fff;
}

.bc3t-support-dialog-controls .btn-primary:hover {
  background: var(--wing-accent-light, #6BA8E8);
}

.bc3t-support-dialog-controls .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-support-dialog-controls .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

/* =====================================================
   3. TRIAL ENTRY (3-trial numeric)
   ===================================================== */

.bc3t-trials {
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  padding: 1.25rem;
}

.bc3t-trials-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ag-text, #fff);
  margin-bottom: 0.75rem;
}

.bc3t-trials-unit {
  font-weight: 400;
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-trials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.bc3t-trial-cell {
  display: flex;
  flex-direction: column;
}

.bc3t-trial-cell-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ag-text-muted, #9CA3AF);
  margin-bottom: 0.25rem;
}

.bc3t-trial-input {
  width: 100%;
  padding: 0.75rem 0.875rem;
  font-size: 1.125rem;
  font-family: inherit;
  color: var(--ag-text, #fff);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.15));
  border-radius: 8px;
  min-height: 48px;
  box-sizing: border-box;
}

.bc3t-trial-input:focus {
  outline: 2px solid var(--wing-accent, #4A90D9);
  outline-offset: 2px;
  border-color: var(--wing-accent, #4A90D9);
}

/* hide native spin arrows for cleaner look — optional */
.bc3t-trial-input::-webkit-outer-spin-button,
.bc3t-trial-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.bc3t-trial-input[type="number"] {
  -moz-appearance: textfield;
}

.bc3t-trials-stats {
  font-size: 0.95rem;
  color: var(--ag-text-muted, #9CA3AF);
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
}

.bc3t-trials-stats--skipped {
  color: var(--ag-text-muted, rgba(255, 255, 255, 0.4));
  font-style: italic;
}

.bc3t-trials-stats--zero {
  color: #FBBF24; /* amber - draws attention to attempted-but-failed */
}

/* =====================================================
   3b. SUPPORT-LEVEL DROPDOWN OPTIONS (cross-browser contrast)
   By default, opened <option> elements inherit OS-native colors that can
   render as black-on-white over a dark host page. Force dark-theme styling
   so the dropdown list visually matches the control.
   ===================================================== */

.bc3t-support-select option {
  /* Fix(4B-2.1): theme-aware so options match light/dark host page. */
  background: var(--ag-surface, #1a1f2e);
  color: var(--ag-text, #fff);
}

/* =====================================================
   4. TIER FLOW (Phase 4B-2)
   Class prefix: bc3t-flow-
   Screens: intro, tier instructions, tier running, safety prompts,
   saving, save error, results.
   ===================================================== */

.bc3t-flow {
  color: var(--ag-text, #fff);
}

.bc3t-flow-screen {
  background: var(--ag-surface, #1a1f2e);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
}

.bc3t-flow-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ag-text, #fff);
  margin: 0 0 1rem;
  line-height: 1.3;
}

.bc3t-flow-body {
  color: var(--ag-text, rgba(255, 255, 255, 0.88));
  font-size: 1.0625rem;
  line-height: 1.55;
}

.bc3t-flow-body p {
  margin: 0 0 0.875rem;
}

.bc3t-flow-body p:last-child {
  margin-bottom: 0;
}

.bc3t-flow-body ul {
  margin: 0.75rem 0;
  padding-left: 1.25rem;
}

.bc3t-flow-body li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.bc3t-flow-body strong {
  color: var(--ag-text, #fff);
  font-weight: 600;
}

/* ---------- Action buttons ---------- */

.bc3t-flow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  align-items: center;
}

.bc3t-flow-actions-tier {
  justify-content: center;
  margin-top: 1.25rem;
}

.bc3t-flow-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 1.0625rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  min-height: 48px;
  min-width: 140px;
  transition: background 0.15s, color 0.15s;
}

.bc3t-flow-btn-primary {
  background: var(--wing-accent, #4A90D9);
  color: #fff;
}

.bc3t-flow-btn-primary:hover {
  background: var(--wing-accent-light, #6BA8E8);
}

.bc3t-flow-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-flow-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.bc3t-flow-btn:focus {
  outline: 2px solid var(--wing-accent, #4A90D9);
  outline-offset: 2px;
}

.bc3t-flow-helper {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: var(--ag-text-muted, #9CA3AF);
  text-align: center;
}

/* ---------- Tier running header + progress ---------- */

.bc3t-flow-tier-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.bc3t-flow-tier-progress {
  font-size: 0.95rem;
  color: var(--ag-text-muted, #9CA3AF);
  font-weight: 500;
}

.bc3t-flow-pos-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0 0 1.25rem;
}

.bc3t-flow-pos-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-flow-pos-chip-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  font-weight: 600;
}

.bc3t-flow-pos-chip-name {
  white-space: nowrap;
}

.bc3t-flow-pos-chip--active {
  background: rgba(74, 144, 217, 0.18);
  border-color: var(--wing-accent, #4A90D9);
  color: #fff;
}

.bc3t-flow-pos-chip--active .bc3t-flow-pos-chip-num {
  background: var(--wing-accent, #4A90D9);
  color: #fff;
}

.bc3t-flow-pos-chip--done {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.4);
  color: var(--ag-text, #DCFCE7);
}

.bc3t-flow-pos-chip--done .bc3t-flow-pos-chip-num {
  background: rgba(34, 197, 94, 0.6);
  color: #fff;
}

.bc3t-flow-pos-chip--skipped {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.35);
  color: var(--ag-text, #FEF3C7);
}

.bc3t-flow-pos-chip--skipped .bc3t-flow-pos-chip-num {
  background: rgba(251, 191, 36, 0.5);
  color: #1a1f2e;
}

/* Phase 4E-C (Decision 9): clickable chips for bidirectional navigation.
   Active chip carries no role attribute and is non-interactive. */
.bc3t-flow-pos-chip[role="button"] {
  cursor: pointer;
  user-select: none;
  transition: background-color 0.12s ease, border-color 0.12s ease, transform 0.06s ease;
}

.bc3t-flow-pos-chip[role="button"]:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--wing-accent, #4A90D9);
}

.bc3t-flow-pos-chip[role="button"]:active {
  transform: translateY(1px);
}

.bc3t-flow-pos-chip[role="button"]:focus-visible {
  outline: 2px solid var(--wing-accent, #4A90D9);
  outline-offset: 2px;
}

.bc3t-flow-pos-chip--active {
  cursor: default;
}

/* ---------- Tier running sections ---------- */

.bc3t-flow-section {
  margin-bottom: 1.25rem;
}

.bc3t-flow-section-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ag-text-muted, #9CA3AF);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.bc3t-flow-position-card {
  background: rgba(74, 144, 217, 0.06);
  border: 1px solid rgba(74, 144, 217, 0.25);
  border-radius: 10px;
  padding: 1.25rem;
}

.bc3t-flow-position-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ag-text, #fff);
  margin-bottom: 0.375rem;
}

.bc3t-flow-position-cue {
  font-size: 1rem;
  color: var(--ag-text, rgba(255, 255, 255, 0.85));
  line-height: 1.5;
  margin-bottom: 0.875rem;
}

.bc3t-flow-position-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  justify-content: flex-end;
}

/* ---------- Saving state + spinner ---------- */

.bc3t-flow-saving {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.bc3t-flow-spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--wing-accent, #4A90D9);
  margin: 0 auto 1rem;
  animation: bc3t-spin 0.8s linear infinite;
}

@keyframes bc3t-spin {
  to { transform: rotate(360deg); }
}

.bc3t-flow-saving-text {
  font-size: 1.0625rem;
  color: var(--ag-text, rgba(255, 255, 255, 0.85));
}

/* ---------- Error state ---------- */

.bc3t-flow-error {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.3);
}

.bc3t-flow-error-detail {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 0.75rem;
  margin: 0.75rem 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9375rem;
  color: #FCA5A5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- Safety prompt ---------- */

.bc3t-flow-safety {
  background: rgba(251, 191, 36, 0.05);
  border-color: rgba(251, 191, 36, 0.4);
}

.bc3t-flow-safety-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(251, 191, 36, 0.18);
  border: 2px solid rgba(251, 191, 36, 0.6);
  color: #FBBF24;
  font-size: 1.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.875rem;
}

/* ---------- Results screen ---------- */

.bc3t-flow-results-section {
  margin-bottom: 1.75rem;
}

.bc3t-flow-results-section-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--ag-text, #fff);
  margin: 0 0 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
}

.bc3t-flow-achievement-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bc3t-flow-achievement {
  display: flex;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
}

.bc3t-flow-achievement--earned {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.5);
}

.bc3t-flow-achievement--locked {
  opacity: 0.65;
}

.bc3t-flow-achievement-marker {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-flow-achievement--earned .bc3t-flow-achievement-marker {
  background: rgba(34, 197, 94, 0.7);
  color: #fff;
}

.bc3t-flow-achievement-text {
  flex: 1 1 auto;
  min-width: 0;
}

.bc3t-flow-achievement-label {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ag-text, #fff);
  margin-bottom: 0.25rem;
}

.bc3t-flow-achievement-tag {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.125rem 0.5rem;
  background: rgba(34, 197, 94, 0.85);
  color: #052e16;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

.bc3t-flow-achievement-meaning {
  font-size: 0.95rem;
  color: var(--ag-text, rgba(255, 255, 255, 0.78));
  line-height: 1.5;
}

/* ---------- Asymmetry callout ---------- */

.bc3t-flow-asymmetry {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}

.bc3t-flow-asymmetry-title {
  font-weight: 700;
  color: #FBBF24;
  margin-bottom: 0.5rem;
}

.bc3t-flow-asymmetry p {
  margin: 0;
  color: var(--ag-text, rgba(255, 255, 255, 0.88));
  line-height: 1.5;
}

/* ---------- Sensory profile card ---------- */

.bc3t-flow-sensory-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ag-border, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 1rem 1.125rem;
}

.bc3t-flow-sensory-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ag-text, #fff);
  margin-bottom: 0.5rem;
}

.bc3t-flow-sensory-interp {
  color: var(--ag-text-muted, rgba(255, 255, 255, 0.7));
  line-height: 1.55;
  margin: 0 0 0.625rem;
  font-style: italic;
}

.bc3t-flow-sensory-numbers {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.25rem 1rem;
  margin: 0.75rem 0 0;
  padding: 0.625rem 0.75rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 6px;
  font-size: 0.9375rem;
}

.bc3t-flow-sensory-numbers dt {
  color: var(--ag-text-muted, #9CA3AF);
}

.bc3t-flow-sensory-numbers dd {
  margin: 0;
  color: var(--ag-text, #fff);
  font-weight: 600;
}

/* Sensory accent variants */
.bc3t-flow-sensory-card--vision_dependent          { border-left: 4px solid #6BA8E8; }
.bc3t-flow-sensory-card--vestibular_concern        { border-left: 4px solid #FBBF24; }
.bc3t-flow-sensory-card--multi_system_involvement  { border-left: 4px solid #F87171; }
.bc3t-flow-sensory-card--balanced_across_systems   { border-left: 4px solid #4ADE80; }
.bc3t-flow-sensory-card--insufficient_data         { border-left: 4px solid #9CA3AF; }

/* ---------- Building Foundation (Below Steady Start) ---------- */

.bc3t-flow-building-foundation {
  background: rgba(74, 144, 217, 0.08);
  border: 1px solid rgba(74, 144, 217, 0.4);
  border-radius: 8px;
  padding: 1.125rem 1.25rem;
  margin-top: 1rem;
}

.bc3t-flow-building-foundation-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ag-text, #fff);
  margin: 0 0 0.625rem;
}

.bc3t-flow-building-foundation p {
  margin: 0 0 0.625rem;
  color: var(--ag-text, rgba(255, 255, 255, 0.88));
  line-height: 1.55;
}

.bc3t-flow-building-foundation p:last-child {
  margin-bottom: 0;
}

/* =====================================================
   5. TIER ENCOURAGEMENT NOTE (Phase 4B-2.1)
   Italicized hint at the top of each tier-instructions screen.
   Discourages skip-gaming the assessment.
   ===================================================== */

.bc3t-tier-encouragement {
  font-size: 0.875em;
  font-style: italic;
  color: var(--ag-text-muted, #9CA3AF);
  margin: 0 0 1rem;
  line-height: 1.5;
}

/* =====================================================
   6. POSITION-LEVEL VALIDATION ERROR (Phase 4B-2.1)
   Inline message shown when the user tries to advance
   without selecting a per-position support level.
   ===================================================== */

.bc3t-flow-position-validation {
  margin-top: 0.875rem;
  padding: 0.625rem 0.875rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.45);
  border-radius: 6px;
  color: var(--ag-text, #FCA5A5);
  font-size: 0.95rem;
  line-height: 1.4;
}

.bc3t-flow-position-validation[hidden] {
  display: none;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width: 480px) {
  .bc3t-timer-display {
    font-size: 2.25rem;
  }

  .bc3t-trials-grid {
    grid-template-columns: 1fr;
  }

  .bc3t-support-dialog-controls {
    flex-direction: column;
  }

  .bc3t-support-dialog-controls .btn {
    width: 100%;
  }

  .bc3t-flow-screen {
    padding: 1.125rem;
  }

  .bc3t-flow-title {
    font-size: 1.25rem;
  }

  .bc3t-flow-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .bc3t-flow-btn {
    width: 100%;
    min-width: 0;
  }

  .bc3t-flow-position-actions {
    flex-direction: column;
  }

  .bc3t-flow-position-actions .bc3t-flow-btn {
    width: 100%;
  }

  .bc3t-flow-pos-chip-name {
    display: none;
  }

  .bc3t-flow-tier-header {
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* =====================================================
   7. LIGHT-MODE CONTRAST OVERRIDES (Phase 4B-2.2)
   In light mode --ag-text-muted resolves to #7A6B63, which
   only reaches ~3.6:1 against the white page background and
   fails WCAG AA for body text. The active position chip also
   had a hardcoded color: #fff that was invisible on the
   translucent-blue chip background once the page is light.
   These overrides force the affected elements to --ag-text
   (#2D1B14) in light mode only. Dark mode is unchanged.
   ===================================================== */
html:not(.theme-dark) .bc3t-flow-pos-chip {
  color: var(--ag-text, #2D1B14);
}
html:not(.theme-dark) .bc3t-flow-pos-chip--active {
  color: var(--ag-text, #2D1B14);
}
html:not(.theme-dark) .bc3t-flow-tier-progress {
  color: var(--ag-text, #2D1B14);
}
html:not(.theme-dark) .bc3t-flow-section-label {
  color: var(--ag-text, #2D1B14);
}
html:not(.theme-dark) .bc3t-flow-helper {
  color: var(--ag-text, #2D1B14);
}
html:not(.theme-dark) .bc3t-tier-encouragement {
  color: var(--ag-text, #2D1B14);
}
html:not(.theme-dark) .bc3t-flow-title {
  color: var(--ag-text, #2D1B14);
}

/* =====================================================
   8. LIGHT-MODE TIMER BUTTON FILLS (2026-05-20)
   In light mode the Stop and Voice buttons (.btn-secondary)
   had a near-transparent rgba(255,255,255,0.08) background
   that vanished against the white page, leaving them as
   floating muted text. Match Start's filled look so all
   three controls read as buttons. Voice on/off state is
   preserved via a dimmer fill for the pressed state.
   Dark mode is unchanged.
   ===================================================== */
html:not(.theme-dark) .bc3t-timer-controls .btn-secondary {
  background: var(--wing-accent, #4A90D9);
  color: #fff;
}
html:not(.theme-dark) .bc3t-timer-controls .btn-secondary:hover:not(:disabled) {
  background: var(--wing-accent-light, #6BA8E8);
  color: #fff;
}
html:not(.theme-dark) .bc3t-timer-mute[aria-pressed="true"] {
  background: rgba(74, 144, 217, 0.45);
  color: #fff;
}
html:not(.theme-dark) .bc3t-timer-mute[aria-pressed="true"]:hover:not(:disabled) {
  background: rgba(74, 144, 217, 0.6);
  color: #fff;
}