/* Local Reading Lab (AR replacement) — polished student surfaces */

:root {
  --rl-indigo: #4f46e5;
  --rl-violet: #7c3aed;
  --rl-sky: #0ea5e9;
  --rl-mint: #10b981;
  --rl-amber: #f59e0b;
  --rl-rose: #f43f5e;
  --rl-ink: #0f172a;
  --rl-muted: #64748b;
  --rl-soft: #f8fafc;
  --rl-card: #ffffff;
  --rl-shadow: 0 14px 40px rgba(79, 70, 229, 0.1);
  --rl-shadow-sm: 0 6px 18px rgba(15, 23, 42, 0.06);
  --rl-radius: 1.15rem;
  --rl-radius-sm: 0.85rem;
  --rl-focus: 0 0 0 3px rgba(99, 102, 241, 0.35);
}

.reading-lab {
  --rl-grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 48%, #0ea5e9 100%);
  color: var(--rl-ink);
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1rem;
  line-height: 1.5;
}

.reading-lab *:focus-visible {
  outline: none;
  box-shadow: var(--rl-focus);
}

.reading-lab .rl-hero {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--rl-radius) + 0.15rem);
  background: var(--rl-grad);
  /* Force light text so global portal/theme dark text cannot darken the hero */
  color: #ffffff !important;
  padding: 1.5rem 1.25rem;
  box-shadow: var(--rl-shadow);
}

@media (min-width: 768px) {
  .reading-lab .rl-hero {
    padding: 1.85rem 1.75rem;
  }
}

/* Beat layout defaults (theme often forces dark ink on headings/paragraphs) */
.reading-lab .rl-hero,
.reading-lab .rl-hero * {
  color: #ffffff !important;
}

.reading-lab .rl-hero a:not(.rl-btn):not(.rl-btn-secondary) {
  color: #ffffff !important;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.reading-lab .rl-hero .text-muted,
.reading-lab .rl-hero .text-dark,
.reading-lab .rl-hero .small,
.reading-lab .rl-hero p,
.reading-lab .rl-hero h1,
.reading-lab .rl-hero h2,
.reading-lab .rl-hero h3,
.reading-lab .rl-hero .h1,
.reading-lab .rl-hero .h2,
.reading-lab .rl-hero .h3,
.reading-lab .rl-hero .h4,
.reading-lab .rl-hero strong,
.reading-lab .rl-hero em,
.reading-lab .rl-hero span {
  color: #ffffff !important;
}

.reading-lab .rl-hero .opacity-90,
.reading-lab .rl-hero .rl-sub {
  opacity: 0.95;
}

.reading-lab .rl-hero::after {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28), transparent 70%);
  animation: rl-float 8s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.reading-lab .rl-hero > * {
  position: relative;
  z-index: 1;
}

@keyframes rl-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-18px, 12px) scale(1.08); }
}

.reading-lab .rl-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.92;
  color: #ffffff !important;
}

.reading-lab .rl-hero h1,
.reading-lab .rl-hero .h1,
.reading-lab .rl-hero .h2,
.reading-lab .rl-hero .h3 {
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 0.45rem;
  line-height: 1.15;
  font-size: clamp(1.35rem, 3.5vw, 1.85rem);
  color: #ffffff !important;
  text-shadow: 0 1px 2px rgba(15, 23, 42, 0.18);
}

.reading-lab .rl-hero .rl-sub {
  opacity: 0.96;
  max-width: 38rem;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #ffffff !important;
}

/* Secondary button on hero: dark text on white chip (readable) */
.reading-lab .rl-hero .rl-btn-secondary,
.reading-lab .rl-hero a.rl-btn-secondary {
  color: #4f46e5 !important;
  background: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.9) !important;
}

.reading-lab .rl-hero .rl-btn-secondary:hover:not(:disabled) {
  color: #6d28d9 !important;
  background: #f8fafc !important;
}

.reading-lab .rl-preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.4);
  margin-bottom: 0.65rem;
  color: #ffffff !important;
}

/* Full-page busy overlay while generating / starting a check */
.reading-lab .rl-busy-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(3px);
  padding: 1.25rem;
}

.reading-lab .rl-busy-overlay[hidden] {
  display: none !important;
}

.reading-lab .rl-busy-card {
  background: #fff;
  color: var(--rl-ink);
  border-radius: var(--rl-radius);
  padding: 1.5rem 1.75rem;
  max-width: 22rem;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.25);
}

.reading-lab .rl-busy-card .rl-spinner {
  width: 2rem;
  height: 2rem;
  border-width: 3px;
  margin-bottom: 0.85rem;
}

.reading-lab .rl-busy-card h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
  color: var(--rl-ink) !important;
}

.reading-lab .rl-busy-card p {
  margin: 0;
  color: var(--rl-muted) !important;
  font-size: 0.92rem;
}

.reading-lab.show-key .rl-choice.is-correct-key {
  border-color: #198754;
  box-shadow: 0 0 0 2px rgba(25, 135, 84, 0.25);
}

/* Confirm-start modal */
.reading-lab .rl-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.5);
  padding: 1rem;
}

.reading-lab .rl-modal-backdrop[hidden] {
  display: none !important;
}

.reading-lab .rl-modal {
  background: #fff;
  color: var(--rl-ink);
  border-radius: var(--rl-radius);
  padding: 1.35rem 1.4rem 1.25rem;
  max-width: 26rem;
  width: 100%;
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.28);
  animation: rl-fade-up 0.25s ease both;
}

.reading-lab .rl-modal h2 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--rl-ink) !important;
  letter-spacing: -0.02em;
}

.reading-lab .rl-modal p {
  margin: 0 0 1rem;
  color: var(--rl-muted) !important;
  font-size: 0.95rem;
  line-height: 1.45;
}

.reading-lab .rl-modal .rl-modal-title {
  font-weight: 700;
  color: var(--rl-ink) !important;
}

.reading-lab .rl-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.reading-lab .rl-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .reading-lab .rl-stat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
  }
}

.reading-lab .rl-stat-card {
  background: var(--rl-card);
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: var(--rl-radius);
  padding: 0.95rem 1rem;
  box-shadow: var(--rl-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-width: 0;
}

@media (hover: hover) {
  .reading-lab .rl-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.12);
  }
}

.reading-lab .rl-stat-card .label {
  color: var(--rl-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.reading-lab .rl-stat-card .value {
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: var(--rl-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  word-break: break-word;
}

.reading-lab .rl-stat-card .hint {
  font-size: 0.78rem;
  color: var(--rl-muted);
  margin-top: 0.25rem;
}

.reading-lab .rl-progress-shell {
  background: var(--rl-card);
  border-radius: var(--rl-radius);
  border: 1px solid rgba(148, 163, 184, 0.28);
  padding: 1.15rem 1.15rem 1.25rem;
  box-shadow: var(--rl-shadow-sm);
}

@media (min-width: 768px) {
  .reading-lab .rl-progress-shell {
    padding: 1.3rem 1.4rem 1.45rem;
  }
}

.reading-lab .rl-meter {
  position: relative;
  height: 1.7rem;
  border-radius: 999px;
  background: linear-gradient(90deg, #eef2ff, #f5f3ff);
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(15, 23, 42, 0.08);
}

.reading-lab .rl-meter-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #6366f1, #8b5cf6 50%, #06b6d4);
  background-size: 200% 100%;
  animation: rl-shimmer 2.8s linear infinite, rl-grow 1.15s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  box-shadow: 0 0 18px rgba(99, 102, 241, 0.4);
}

.reading-lab .rl-meter-fill.goal-met {
  background: linear-gradient(90deg, #10b981, #34d399, #06b6d4);
  animation: rl-shimmer 2s linear infinite, rl-grow 1.15s cubic-bezier(0.22, 1, 0.36, 1) forwards, rl-pulse-glow 1.8s ease-in-out infinite;
}

@keyframes rl-grow {
  from { width: 0; }
  to { width: var(--rl-target-width, 0%); }
}

@keyframes rl-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes rl-pulse-glow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.12); }
}

.reading-lab .rl-meter-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
  color: #fff;
  text-shadow: 0 1px 2px rgba(15, 23, 42, 0.35);
  mix-blend-mode: difference;
  z-index: 2;
  pointer-events: none;
}

.reading-lab .rl-glideslope {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 3px;
  background: #f59e0b;
  border-radius: 2px;
  z-index: 3;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
  transform: translateX(-50%);
}

.reading-lab .rl-search-wrap {
  position: relative;
}

.reading-lab .rl-search-row {
  display: flex;
  align-items: stretch;
  gap: 0.55rem;
}

.reading-lab .rl-search-input {
  border-radius: 999px;
  border: 2px solid rgba(99, 102, 241, 0.28);
  padding: 0.8rem 1.1rem 0.8rem 2.75rem;
  font-size: 1rem;
  width: 100%;
  flex: 1 1 auto;
  min-width: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85zm-5.242.656a5 5 0 1 1 0-10 5 5 0 0 1 0 10z'/%3E%3C/svg%3E") 1rem center no-repeat;
  color: var(--rl-ink);
}

.reading-lab .rl-search-input:focus {
  outline: none;
  border-color: var(--rl-indigo);
  box-shadow: var(--rl-focus);
}

.reading-lab .rl-search-input::placeholder {
  color: #94a3b8;
}

.reading-lab .rl-search-mic {
  position: relative;
  overflow: visible;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 6.75rem;
  min-height: 3.15rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 2px solid rgba(14, 165, 233, 0.45);
  background: linear-gradient(145deg, #e0f2fe, #bae6fd);
  color: #0c4a6e;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  isolation: isolate;
}

.reading-lab .rl-search-mic:hover,
.reading-lab .rl-search-mic:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.35);
  transform: scale(1.03);
}

/* Expanding rings while STT is listening */
.reading-lab .rl-stt-rings {
  position: absolute;
  inset: -6px;
  pointer-events: none;
  z-index: 0;
}

.reading-lab .rl-stt-ring {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border: 2px solid rgba(245, 158, 11, 0.55);
  opacity: 0;
}

.reading-lab .rl-search-mic.is-listening .rl-stt-ring:nth-child(1) {
  animation: rl-stt-ring-expand 1.4s ease-out infinite;
}

.reading-lab .rl-search-mic.is-listening .rl-stt-ring:nth-child(2) {
  animation: rl-stt-ring-expand 1.4s ease-out 0.45s infinite;
}

/* Equalizer bars for STT feedback */
.reading-lab .rl-stt-bars {
  display: none;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  height: 1.1rem;
  z-index: 1;
}

.reading-lab .rl-stt-bars i {
  display: block;
  width: 3px;
  height: 30%;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.85;
}

.reading-lab .rl-search-mic.is-listening .rl-stt-bars,
.reading-lab .rl-search-mic.is-busy .rl-stt-bars {
  display: inline-flex;
}

.reading-lab .rl-search-mic.is-listening .rl-stt-bars i:nth-child(1) {
  animation: rl-stt-bar 0.7s ease-in-out infinite;
}
.reading-lab .rl-search-mic.is-listening .rl-stt-bars i:nth-child(2) {
  animation: rl-stt-bar 0.7s ease-in-out 0.12s infinite;
}
.reading-lab .rl-search-mic.is-listening .rl-stt-bars i:nth-child(3) {
  animation: rl-stt-bar 0.7s ease-in-out 0.24s infinite;
}
.reading-lab .rl-search-mic.is-listening .rl-stt-bars i:nth-child(4) {
  animation: rl-stt-bar 0.7s ease-in-out 0.36s infinite;
}

.reading-lab .rl-search-mic.is-busy .rl-stt-bars i {
  animation: rl-stt-bar-busy 0.9s ease-in-out infinite;
}

.reading-lab .rl-search-mic.is-listening {
  background: linear-gradient(145deg, #fef3c7, #fde68a);
  border-color: #f59e0b;
  color: #92400e;
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.45);
  animation: rl-stt-mic-glow 1.4s ease-in-out infinite;
}

.reading-lab .rl-search-mic.is-busy {
  background: linear-gradient(145deg, #e0e7ff, #c7d2fe);
  border-color: #6366f1;
  color: #3730a3;
  cursor: wait;
}

.reading-lab .rl-search-mic-icon {
  font-size: 1.25rem;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.reading-lab .rl-search-mic.is-listening .rl-search-mic-icon {
  animation: rl-stt-icon-bob 0.9s ease-in-out infinite;
}

.reading-lab .rl-search-mic-label {
  white-space: nowrap;
  position: relative;
  z-index: 1;
}

/* Full-width listening banner under search */
.reading-lab .rl-stt-listen-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin: 0 0 0.65rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: clamp(0.95rem, 2.8vw, 1.1rem);
  color: #92400e;
  background: linear-gradient(90deg, #fef3c7, #fde68a, #fef3c7);
  background-size: 200% 100%;
  border: 2px solid rgba(245, 158, 11, 0.45);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.18);
}

.reading-lab .rl-stt-listen-banner.is-listening {
  animation: rl-stt-banner-shimmer 1.6s linear infinite;
}

.reading-lab .rl-stt-listen-banner.is-busy {
  color: #3730a3;
  border-color: rgba(99, 102, 241, 0.45);
  background: linear-gradient(90deg, #e0e7ff, #c7d2fe, #e0e7ff);
  background-size: 200% 100%;
  animation: rl-stt-banner-shimmer 1.2s linear infinite;
}

.reading-lab .rl-stt-bars-inline {
  display: inline-flex !important;
  height: 1.15rem;
  color: inherit;
}

.reading-lab .rl-stt-listen-banner.is-listening .rl-stt-bars-inline i:nth-child(1) {
  animation: rl-stt-bar 0.65s ease-in-out infinite;
}
.reading-lab .rl-stt-listen-banner.is-listening .rl-stt-bars-inline i:nth-child(2) {
  animation: rl-stt-bar 0.65s ease-in-out 0.1s infinite;
}
.reading-lab .rl-stt-listen-banner.is-listening .rl-stt-bars-inline i:nth-child(3) {
  animation: rl-stt-bar 0.65s ease-in-out 0.2s infinite;
}
.reading-lab .rl-stt-listen-banner.is-listening .rl-stt-bars-inline i:nth-child(4) {
  animation: rl-stt-bar 0.65s ease-in-out 0.3s infinite;
}
.reading-lab .rl-stt-listen-banner.is-listening .rl-stt-bars-inline i:nth-child(5) {
  animation: rl-stt-bar 0.65s ease-in-out 0.4s infinite;
}

.reading-lab .rl-stt-listen-banner.is-busy .rl-stt-bars-inline i {
  animation: rl-stt-bar-busy 0.85s ease-in-out infinite;
}

@keyframes rl-stt-ring-expand {
  0% { transform: scale(0.92); opacity: 0.75; }
  100% { transform: scale(1.35); opacity: 0; }
}

@keyframes rl-stt-bar {
  0%, 100% { height: 28%; }
  50% { height: 100%; }
}

@keyframes rl-stt-bar-busy {
  0%, 100% { height: 35%; opacity: 0.55; }
  50% { height: 70%; opacity: 1; }
}

@keyframes rl-stt-mic-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.35), 0 6px 16px rgba(245, 158, 11, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(245, 158, 11, 0), 0 8px 22px rgba(245, 158, 11, 0.28);
    transform: scale(1.03);
  }
}

@keyframes rl-stt-icon-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

@keyframes rl-stt-banner-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@media (max-width: 420px) {
  .reading-lab .rl-search-mic-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }
  .reading-lab .rl-search-mic {
    min-width: 3.25rem;
  }
}

.reading-lab .rl-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  min-height: 1.5rem;
  font-size: 0.875rem;
  color: var(--rl-muted);
  margin-bottom: 0.65rem;
}

.reading-lab .rl-status-row.is-error {
  color: #be123c;
  font-weight: 600;
}

.reading-lab .rl-status-row.is-loading {
  color: var(--rl-indigo);
  font-weight: 600;
}

.reading-lab .rl-book-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 576px) {
  .reading-lab .rl-book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 992px) {
  .reading-lab .col-search .rl-book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.reading-lab .rl-book-card {
  display: flex;
  gap: 0.8rem;
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--rl-radius);
  padding: 0.85rem;
  box-shadow: var(--rl-shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  min-height: 7.25rem;
  min-width: 0;
}

@media (hover: hover) {
  .reading-lab .rl-book-card:hover {
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.12);
  }
}

.reading-lab .rl-book-card.disabled {
  opacity: 0.78;
}

.reading-lab .rl-book-cover {
  width: 60px;
  min-width: 60px;
  height: 84px;
  border-radius: 0.5rem;
  object-fit: cover;
  background: linear-gradient(145deg, #e0e7ff, #ede9fe);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
}

.reading-lab .rl-book-meta {
  min-width: 0;
  flex: 1;
}

.reading-lab .rl-book-meta h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 0.15rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.reading-lab .rl-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
  background: #eef2ff;
  color: #4338ca;
  text-decoration: none;
  max-width: 100%;
}

.reading-lab .rl-pill.ok {
  background: #d1fae5;
  color: #047857;
}

.reading-lab .rl-pill.warn {
  background: #ffedd5;
  color: #c2410c;
}

.reading-lab .rl-pill.muted {
  background: #f1f5f9;
  color: #475569;
}

.reading-lab .rl-btn {
  border: 0;
  border-radius: 999px;
  font-weight: 700;
  padding: 0.55rem 1.15rem;
  color: #fff;
  background: var(--rl-grad);
  background-size: 160% 100%;
  transition: transform 0.15s ease, filter 0.15s ease, background-position 0.3s ease, opacity 0.15s ease;
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.26);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.2;
  min-height: 2.55rem;
}

.reading-lab .rl-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  filter: brightness(1.05);
  background-position: 100% 0;
  color: #fff;
  text-decoration: none;
}

.reading-lab .rl-btn:disabled,
.reading-lab .rl-btn.is-loading {
  opacity: 0.58;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.reading-lab .rl-btn-secondary {
  background: #fff;
  color: var(--rl-indigo);
  border: 2px solid rgba(99, 102, 241, 0.4);
  box-shadow: none;
}

.reading-lab .rl-btn-secondary:hover:not(:disabled) {
  color: var(--rl-violet);
  border-color: var(--rl-violet);
  background: #fafaff;
  filter: none;
}

.reading-lab .rl-btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  min-height: 2.15rem;
}

.reading-lab .rl-attempt-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.45);
  align-items: flex-start;
}

.reading-lab .rl-attempt-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.reading-lab .rl-attempt-row:first-child {
  padding-top: 0;
}

/* Written check */
.reading-lab .rl-question-card {
  background: #fff;
  border-radius: var(--rl-radius);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 1.1rem 1.15rem;
  margin-bottom: 0.9rem;
  box-shadow: var(--rl-shadow-sm);
  animation: rl-fade-up 0.45s ease both;
}

.reading-lab .rl-progress-steps {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.reading-lab .rl-progress-steps .step {
  flex: 1;
  min-width: 2rem;
  height: 6px;
  border-radius: 999px;
  background: #e2e8f0;
}

.reading-lab .rl-progress-steps .step.done {
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
}

@keyframes rl-fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.reading-lab .rl-choice {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  border: 1.5px solid rgba(148, 163, 184, 0.38);
  border-radius: var(--rl-radius-sm);
  padding: 0.7rem 0.85rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.12s ease;
  background: #fff;
}

.reading-lab .rl-choice:hover {
  border-color: rgba(99, 102, 241, 0.55);
  background: #f8fafc;
}

.reading-lab .rl-choice:focus-within {
  border-color: var(--rl-indigo);
  box-shadow: var(--rl-focus);
}

.reading-lab .rl-choice:has(input:checked) {
  border-color: var(--rl-indigo);
  background: #eef2ff;
}

.reading-lab .rl-choice input {
  margin-top: 0.2rem;
  accent-color: var(--rl-indigo);
  flex-shrink: 0;
}

.reading-lab .rl-sticky-actions {
  position: sticky;
  bottom: 0;
  z-index: 5;
  background: linear-gradient(180deg, transparent, #f8fafc 28%);
  padding: 1rem 0 0.5rem;
  margin-top: 0.5rem;
}

.reading-lab .rl-alert {
  border-radius: var(--rl-radius-sm);
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.reading-lab .rl-alert-error {
  background: #fff1f2;
  color: #9f1239;
  border: 1px solid #fecdd3;
}

.reading-lab .rl-alert-info {
  background: #eef2ff;
  color: #3730a3;
  border: 1px solid #c7d2fe;
}

.reading-lab .rl-alert-warn {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

/* Interrogative chat */
.reading-lab .rl-chat {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 260px;
  max-height: min(55vh, 480px);
  overflow-y: auto;
  padding: 1rem;
  background: linear-gradient(180deg, #eef2ff 0%, #fff 42%);
  border-radius: var(--rl-radius);
  border: 1px solid rgba(148, 163, 184, 0.28);
  scroll-behavior: smooth;
}

.reading-lab .rl-bubble {
  max-width: min(88%, 36rem);
  padding: 0.75rem 1rem;
  border-radius: 1.05rem;
  line-height: 1.45;
  animation: rl-fade-up 0.35s ease both;
  word-break: break-word;
}

.reading-lab .rl-bubble.ai {
  align-self: flex-start;
  background: #fff;
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-bottom-left-radius: 0.3rem;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.07);
}

.reading-lab .rl-bubble.student {
  align-self: flex-end;
  background: var(--rl-grad);
  color: #fff;
  border-bottom-right-radius: 0.3rem;
}

.reading-lab .rl-bubble.thinking {
  opacity: 0.85;
  font-style: italic;
}

.reading-lab .rl-answer-box {
  border: 2px solid rgba(99, 102, 241, 0.28);
  border-radius: var(--rl-radius-sm);
  padding: 0.75rem 0.9rem;
  width: 100%;
  min-height: 5.5rem;
  resize: vertical;
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.reading-lab .rl-answer-box:focus {
  outline: none;
  border-color: var(--rl-indigo);
  box-shadow: var(--rl-focus);
}

.reading-lab .rl-result-banner {
  border-radius: var(--rl-radius);
  padding: 1.5rem 1.25rem;
  color: #fff;
  text-align: center;
  box-shadow: var(--rl-shadow);
  animation: rl-fade-up 0.5s ease both;
}

.reading-lab .rl-result-banner.pass {
  background: linear-gradient(135deg, #059669, #10b981 50%, #06b6d4);
}

.reading-lab .rl-result-banner.fail {
  background: linear-gradient(135deg, #e11d48, #f43f5e 55%, #fb7185);
}

.reading-lab .rl-result-banner .rl-score {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  opacity: 0.97;
}

.reading-lab .rl-confetti {
  position: relative;
  overflow: hidden;
}

.reading-lab .rl-confetti.pass::before {
  content: "★";
  position: absolute;
  left: 12%;
  top: 18%;
  font-size: 1.4rem;
  opacity: 0.45;
  animation: rl-float 3s ease-in-out infinite;
}

.reading-lab .rl-confetti.pass::after {
  content: "✦";
  position: absolute;
  right: 14%;
  top: 28%;
  font-size: 1.2rem;
  opacity: 0.4;
  animation: rl-float 4s ease-in-out infinite reverse;
}

.reading-lab .rl-section-title {
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
  line-height: 1.2;
}

.reading-lab .rl-section-lead {
  color: var(--rl-muted);
  font-size: 0.9rem;
  margin: 0 0 0.9rem;
}

.reading-lab .rl-empty {
  text-align: center;
  color: var(--rl-muted);
  padding: 1.75rem 1rem;
  border: 1px dashed rgba(148, 163, 184, 0.55);
  border-radius: var(--rl-radius);
  background: var(--rl-soft);
}

.reading-lab .rl-empty .rl-empty-icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.reading-lab .rl-empty strong {
  display: block;
  color: var(--rl-ink);
  margin-bottom: 0.25rem;
}

.reading-lab .rl-search-variants {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.45rem;
  font-size: 0.88rem;
  color: var(--rl-muted);
  margin-top: 0.35rem;
}

.reading-lab .rl-variants-label {
  font-weight: 600;
  color: #64748b;
}

.reading-lab .rl-variants-sep {
  color: #cbd5e1;
}

.reading-lab .rl-variant-link {
  border: 0;
  background: none;
  padding: 0;
  color: #4338ca;
  font: inherit;
  font-weight: 650;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  cursor: pointer;
}

.reading-lab .rl-variant-link:hover,
.reading-lab .rl-variant-link:focus-visible {
  color: #312e81;
}

.reading-lab .rl-text-action {
  border: 0;
  background: none;
  padding: 0.15rem 0;
  color: #475569;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  cursor: pointer;
}

.reading-lab .rl-text-action:hover,
.reading-lab .rl-text-action:focus-visible {
  color: #1e293b;
}

.reading-lab .rl-spinner {
  width: 1.15rem;
  height: 1.15rem;
  border: 2.5px solid rgba(99, 102, 241, 0.25);
  border-top-color: var(--rl-indigo);
  border-radius: 50%;
  animation: rl-spin 0.7s linear infinite;
  display: inline-block;
  vertical-align: -0.15em;
  flex-shrink: 0;
}

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

.reading-lab .rl-skeleton {
  border-radius: var(--rl-radius);
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: rl-shimmer 1.2s linear infinite;
  min-height: 7.25rem;
}

.reading-lab .rl-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .reading-lab .rl-meter-fill,
  .reading-lab .rl-hero::after,
  .reading-lab .rl-confetti.pass::before,
  .reading-lab .rl-confetti.pass::after,
  .reading-lab .rl-question-card,
  .reading-lab .rl-bubble,
  .reading-lab .rl-skeleton {
    animation: none !important;
  }
  .reading-lab .rl-meter-fill {
    width: var(--rl-target-width, 0%);
  }
}

/* ---- Voice-first interrogative (K–2 speak/listen) ---- */
.reading-lab.rl-voice-lab {
  max-width: 640px;
}

.reading-lab .rl-voice-question-card {
  background: linear-gradient(180deg, #eef2ff, #fff);
  border: 2px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--rl-radius);
  padding: 1.25rem 1.15rem 1.15rem;
  text-align: center;
  box-shadow: var(--rl-shadow-sm);
}

.reading-lab .rl-voice-label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rl-indigo);
  margin: 0 0 0.5rem;
}

.reading-lab .rl-voice-question-text {
  font-size: clamp(1.25rem, 4.5vw, 1.65rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 1rem;
  color: var(--rl-ink);
  letter-spacing: -0.02em;
}

.reading-lab .rl-voice-replay {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 2px solid rgba(99, 102, 241, 0.4);
  background: #fff;
  color: var(--rl-indigo);
  font-weight: 800;
  font-size: 1.05rem;
  border-radius: 999px;
  padding: 0.7rem 1.25rem;
  min-height: 3rem;
  cursor: pointer;
  box-shadow: var(--rl-shadow-sm);
}

.reading-lab .rl-voice-replay:hover {
  border-color: var(--rl-violet);
  color: var(--rl-violet);
}

.reading-lab .rl-voice-replay-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.reading-lab .rl-voice-status {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--rl-ink);
  min-height: 1.6rem;
}

.reading-lab .rl-voice-stage {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0 0.75rem;
}

.reading-lab .rl-mic-btn {
  position: relative;
  width: min(72vw, 11.5rem);
  height: min(72vw, 11.5rem);
  border-radius: 50%;
  border: 0;
  background: linear-gradient(145deg, #22c55e, #16a34a 55%, #15803d);
  color: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  box-shadow: 0 14px 36px rgba(22, 163, 74, 0.45);
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.reading-lab .rl-mic-btn:hover:not(:disabled) {
  filter: brightness(1.05);
  transform: scale(1.03);
}

.reading-lab .rl-mic-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.reading-lab .rl-mic-btn.is-recording {
  background: linear-gradient(145deg, #f43f5e, #e11d48);
  box-shadow: 0 14px 36px rgba(225, 29, 72, 0.45);
  animation: rl-mic-pulse 1.1s ease-in-out infinite;
}

.reading-lab .rl-mic-btn.is-thinking {
  background: linear-gradient(145deg, #6366f1, #4f46e5);
  box-shadow: 0 14px 36px rgba(79, 70, 229, 0.4);
  cursor: wait;
}

.reading-lab .rl-mic-btn.is-disabled,
.reading-lab .rl-mic-btn:disabled {
  opacity: 0.85;
}

.reading-lab .rl-mic-icon {
  font-size: 3rem;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.reading-lab .rl-mic-btn.is-recording .rl-mic-icon {
  animation: rl-stt-icon-bob 0.85s ease-in-out infinite;
}

.reading-lab .rl-mic-caption {
  font-size: 1rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
  max-width: 90%;
  line-height: 1.15;
}

.reading-lab .rl-mic-pulse {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 3px solid rgba(34, 197, 94, 0.45);
  opacity: 0;
  pointer-events: none;
}

.reading-lab .rl-mic-pulse-2 {
  inset: -18px;
}

.reading-lab .rl-mic-btn.is-recording .rl-mic-pulse {
  opacity: 1;
  border-color: rgba(244, 63, 94, 0.55);
  animation: rl-mic-ring 1.1s ease-out infinite;
}

.reading-lab .rl-mic-btn.is-recording .rl-mic-pulse-2 {
  opacity: 1;
  border-color: rgba(244, 63, 94, 0.35);
  animation: rl-mic-ring 1.1s ease-out 0.35s infinite;
}

/* Sound bars on big hybrid mic during STT */
.reading-lab .rl-stt-bars-on-mic {
  display: none;
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  height: 1.35rem;
  z-index: 2;
  color: #fff;
}

.reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic,
.reading-lab .rl-mic-btn.is-thinking .rl-stt-bars-on-mic {
  display: inline-flex;
}

.reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic i:nth-child(1) {
  animation: rl-stt-bar 0.6s ease-in-out infinite;
}
.reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic i:nth-child(2) {
  animation: rl-stt-bar 0.6s ease-in-out 0.08s infinite;
}
.reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic i:nth-child(3) {
  animation: rl-stt-bar 0.6s ease-in-out 0.16s infinite;
}
.reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic i:nth-child(4) {
  animation: rl-stt-bar 0.6s ease-in-out 0.24s infinite;
}
.reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic i:nth-child(5) {
  animation: rl-stt-bar 0.6s ease-in-out 0.32s infinite;
}

.reading-lab .rl-mic-btn.is-thinking .rl-stt-bars-on-mic i {
  animation: rl-stt-bar-busy 0.9s ease-in-out infinite;
}

@keyframes rl-mic-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}

@keyframes rl-mic-ring {
  0% { transform: scale(0.92); opacity: 0.9; }
  100% { transform: scale(1.18); opacity: 0; }
}

.reading-lab .rl-voice-heard {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--rl-muted);
}

.reading-lab .rl-voice-fallback {
  border: 1px dashed rgba(148, 163, 184, 0.55);
  border-radius: var(--rl-radius-sm);
  padding: 0.65rem 0.85rem;
  background: var(--rl-soft);
}

.reading-lab .rl-voice-fallback summary {
  cursor: pointer;
  font-weight: 600;
}

.reading-lab .rl-voice-history {
  max-height: 180px;
  min-height: 0;
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  .reading-lab .rl-mic-btn.is-recording,
  .reading-lab .rl-mic-btn.is-recording .rl-mic-pulse,
  .reading-lab .rl-mic-btn.is-recording .rl-mic-pulse-2,
  .reading-lab .rl-mic-btn.is-recording .rl-mic-icon,
  .reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic i,
  .reading-lab .rl-mic-btn.is-thinking .rl-stt-bars-on-mic i,
  .reading-lab .rl-search-mic.is-listening,
  .reading-lab .rl-search-mic.is-listening .rl-stt-ring,
  .reading-lab .rl-search-mic.is-listening .rl-stt-bars i,
  .reading-lab .rl-search-mic.is-busy .rl-stt-bars i,
  .reading-lab .rl-search-mic.is-listening .rl-search-mic-icon,
  .reading-lab .rl-stt-listen-banner.is-listening,
  .reading-lab .rl-stt-listen-banner.is-busy,
  .reading-lab .rl-stt-listen-banner .rl-stt-bars-inline i {
    animation: none !important;
  }
  .reading-lab .rl-search-mic.is-listening .rl-stt-bars,
  .reading-lab .rl-mic-btn.is-recording .rl-stt-bars-on-mic {
    display: inline-flex;
    opacity: 0.85;
  }
}

/* ---- Hybrid K turns: giant tappable answers ---- */
.reading-lab.rl-hybrid-lab {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.reading-lab .rl-big-choices {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reading-lab .rl-big-choice {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  min-height: 5.5rem;
  padding: 1.05rem 1.2rem;
  border-radius: 1.25rem;
  border: 3px solid rgba(99, 102, 241, 0.35);
  background: #fff;
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.12);
  cursor: pointer;
  text-align: left;
  font-weight: 800;
  font-size: clamp(1.15rem, 4vw, 1.4rem);
  line-height: 1.25;
  color: var(--rl-ink);
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

.reading-lab .rl-big-choice:hover:not(:disabled),
.reading-lab .rl-big-choice:focus-visible {
  border-color: var(--rl-indigo);
  background: #eef2ff;
  transform: scale(1.02);
  outline: none;
}

.reading-lab .rl-big-choice:active:not(:disabled) {
  transform: scale(0.98);
}

.reading-lab .rl-big-choice.is-picked {
  border-color: var(--rl-indigo);
  background: #e0e7ff;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25);
}

.reading-lab .rl-big-choice:disabled {
  opacity: 0.75;
  cursor: wait;
}

.reading-lab .rl-big-choice-letter {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(145deg, #6366f1, #4f46e5);
  color: #fff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 900;
}

.reading-lab .rl-big-choice-label {
  flex: 1;
  min-width: 0;
}

.reading-lab .rl-hybrid-feedback {
  text-align: center;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 900;
  padding: 1rem 1.1rem;
  border-radius: var(--rl-radius);
}

.reading-lab .rl-hybrid-feedback.is-ok {
  background: #d1fae5;
  color: #047857;
}

.reading-lab .rl-hybrid-feedback.is-no {
  background: #ffedd5;
  color: #c2410c;
}

.reading-lab .rl-hear-choices {
  border-color: rgba(14, 165, 233, 0.45);
  color: #0369a1;
}

.reading-lab .rl-skip-speak {
  min-height: 3.5rem;
  font-size: clamp(1.05rem, 3.5vw, 1.2rem);
  font-weight: 800;
  padding: 0.85rem 1.25rem;
  touch-action: manipulation;
}

.reading-lab .rl-voice-status {
  font-size: clamp(1.1rem, 3.5vw, 1.3rem);
  font-weight: 700;
  text-align: center;
}

.reading-lab .rl-review-item {
  border: 1px solid #e2e8f0;
  border-radius: var(--rl-radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
  background: #fff;
}

.reading-lab .rl-review-item.miss {
  border-color: #fdba74;
  background: #fff7ed;
}

.reading-lab .rl-review-item.hit {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.reading-lab .rl-review-prompt {
  font-weight: 650;
}

.reading-lab .rl-review-mark {
  display: inline-block;
  min-width: 1.25rem;
  margin-right: 0.25rem;
}

.reading-lab .rl-review-choices {
  margin: 0 0 0.35rem;
  padding-left: 1.2rem;
}

.reading-lab .rl-review-choices li.picked {
  font-weight: 650;
}

.reading-lab .rl-review-choices li.answer {
  color: #047857;
}

.reading-lab .rl-review-tag {
  display: inline-block;
  margin-left: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #c2410c;
}

.reading-lab .rl-review-tag.ok {
  color: #047857;
}

.reading-lab .rl-check-banner {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-radius: 0.7rem;
  padding: 0.55rem 0.7rem;
  margin: 0.35rem 0 0.55rem;
  font-size: 0.92rem;
  line-height: 1.35;
}

.reading-lab .rl-check-banner strong {
  font-size: 0.98rem;
}

.reading-lab .rl-check-banner.yes {
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.reading-lab .rl-check-banner.no {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
}

.reading-lab .rl-check-note {
  font-size: 0.85rem;
  color: var(--rl-muted);
}

.reading-lab .rl-book-card.no-check {
  opacity: 0.96;
}

/* Teacher-badge iPad station */
.rl-station-body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: #f8fafc;
  font-family: "Balsamiq Sans", "Trebuchet MS", sans-serif;
  color: #0f172a;
}
.rl-station-body.is-locked {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 48%, #0ea5e9 100%);
}
.rl-station-main {
  padding: 0.75rem 0.75rem 1.5rem;
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
}
.rl-station-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #0f172a;
  color: #fff;
  padding: 0.55rem 0.85rem;
  padding-top: max(0.55rem, env(safe-area-inset-top));
}
.rl-station-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.rl-station-kicker {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.75;
}
.rl-station-idle {
  font-size: 0.9rem;
  color: #fbbf24;
  font-weight: 700;
}
.rl-station-lock {
  max-width: 36rem;
  margin: 2rem auto;
  color: #fff;
}
.rl-station-lock-card {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 1.25rem;
  padding: 1.5rem 1.25rem;
  text-align: center;
  backdrop-filter: blur(8px);
}
.rl-station-lock-card h1 {
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
}
.rl-station-lock-lead,
.rl-station-lock-hint,
.rl-station-lock-status {
  color: rgba(255, 255, 255, 0.92) !important;
}
.rl-station-lock-hint {
  font-size: 0.85rem;
  margin-top: 1rem;
  opacity: 0.9;
}
.rl-station-cam-wrap,
.rl-station-scan-panel {
  position: relative;
  width: min(100%, 22rem);
  margin: 1rem auto 0;
  border-radius: 1rem;
  overflow: hidden;
  background: #0f172a;
  aspect-ratio: 4 / 3;
}
.rl-station-cam-wrap video,
.rl-station-scan-panel video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rl-station-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
  gap: 0.75rem;
}
.rl-station-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-height: 8.5rem;
  padding: 0.7rem 0.45rem;
  border: 0;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  text-align: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.rl-station-tile:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.35);
}
.rl-station-face {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 50%;
  object-fit: cover;
  background: #e0e7ff;
}
.rl-station-face-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #4338ca;
}
.rl-station-tile-name {
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.15;
}
.rl-station-tile-last {
  font-size: 0.8rem;
  color: #64748b;
}
.rl-station-tile-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
}
.rl-station-grade {
  margin-bottom: 0.85rem;
}
.rl-station-grade summary {
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.5rem 0;
  cursor: pointer;
  min-height: 44px;
}
.rl-station-body .rl-btn,
.rl-station-body .rl-station-tile,
.rl-station-body .rl-search-input,
.rl-station-body .rl-search-mic {
  min-height: 44px;
}
.rl-station-body .rl-search-input {
  font-size: 1.05rem;
}