/* ===== Segmented Control ===== */
.seg-control {
  display: flex;
  background: var(--c-surface-alt);
  border-radius: var(--radius);
  padding: 3px;
  gap: 2px;
}
.seg-control__item {
  flex: 1;
  padding: 8px 4px;
  border: none;
  border-radius: calc(var(--radius) - 2px);
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}
.seg-control__item--active {
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: 0 1px 4px var(--c-shadow);
}
@media (hover: hover) {
  .seg-control__item:not(.seg-control__item--active):hover {
    color: var(--c-text);
    background: rgba(0,0,0,0.03);
  }
}
[data-theme="dark"] .seg-control { background: var(--c-surface); }
[data-theme="dark"] .seg-control__item--active {
  background: var(--c-surface-alt);
  color: var(--c-text);
}

/* ===== Records Tab Colors (MRT line colors) ===== */
.seg-control--records { gap: 1px; }
.seg-control--records .seg-control__item { font-size: 0.78rem; padding: 8px 2px; }
.seg-control__item--total.seg-control__item--active { color: var(--c-accent); border-bottom: 3px solid var(--c-accent); }
.seg-control__item--bcp.seg-control__item--active { color: var(--mrt-red); border-bottom: 3px solid var(--mrt-red); }
.seg-control__item--comgi.seg-control__item--active { color: var(--mrt-green); border-bottom: 3px solid var(--mrt-green); }
.seg-control__item--pgi.seg-control__item--active { color: var(--mrt-purple); border-bottom: 3px solid var(--mrt-purple); }
.seg-control__item--hi.seg-control__item--active { color: var(--mrt-blue); border-bottom: 3px solid var(--mrt-blue); }

/* ===== Time Range Bar (Auto Theme) ===== */
.time-range { padding: 0; }
.time-range__track {
  position: relative;
  height: 24px;
}
.time-range__bar {
  display: flex;
  height: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-border);
  margin: 0 10px;
}
.time-range__dark {
  background: var(--c-text);
  opacity: 0.15;
}
.time-range__light {
  background: var(--c-warning);
  opacity: 0.35;
}
[data-theme="dark"] .time-range__dark { background: #fff; opacity: 0.2; }
[data-theme="dark"] .time-range__light { background: var(--c-warning); opacity: 0.25; }

.time-range__ticks {
  position: relative;
  height: 16px;
  margin: 2px 10px 0;
}
.time-range__tick {
  position: absolute;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--c-text-secondary);
}
.time-range__input {
  position: absolute;
  width: 100%;
  height: 24px;
  top: 0;
  left: 0;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  pointer-events: none;
  margin: 0;
}
.time-range__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--c-surface);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  cursor: pointer;
  pointer-events: auto;
  margin-top: -8px;
}
.time-range__input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--c-surface);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  cursor: pointer;
  pointer-events: auto;
}
/* Dawn thumb: sunrise orange */
.time-range__input--dawn::-webkit-slider-thumb { background: #ff8c42; }
.time-range__input--dawn::-moz-range-thumb { background: #ff8c42; }
/* Dusk thumb: sunset navy */
.time-range__input--dusk::-webkit-slider-thumb { background: #2a2a6e; }
.time-range__input--dusk::-moz-range-thumb { background: #2a2a6e; }
.time-range__input::-webkit-slider-runnable-track {
  height: 4px;
  background: transparent;
}
.time-range__input::-moz-range-track {
  height: 4px;
  background: transparent;
}

/* ===== A-Z Index Bar ===== */
.az-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: var(--sp-xs) 0;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--c-bg);
}
.az-bar__letter {
  min-width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.az-bar__letter--active {
  background: var(--c-primary);
  color: #fff;
}
.az-bar__letter--disabled {
  opacity: 0.25;
  pointer-events: none;
}
.az-bar--sub {
  padding-top: 0;
  animation: fadeSlideUp 0.2s ease;
}
@media (hover: hover) {
  .az-bar__letter:not(.az-bar__letter--disabled):hover {
    background: var(--c-surface-alt);
    color: var(--c-text);
  }
}

.glossary-section-header {
  position: sticky;
  top: 34px;
  padding: var(--sp-xs) var(--sp-sm);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--c-primary);
  background: var(--c-bg);
  border-bottom: 2px solid var(--c-primary);
  z-index: 5;
  margin-top: var(--sp-sm);
}

.glossary-item__tags {
  display: flex;
  gap: 4px;
  margin-top: 4px;
  flex-wrap: wrap;
}
.glossary-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 600;
  background: var(--c-surface-alt);
  color: var(--c-text-secondary);
}
.glossary-tag--bcp { background: rgba(228,0,43,0.12); color: var(--mrt-red); }
.glossary-tag--comgi { background: rgba(0,150,69,0.12); color: var(--mrt-green); }
.glossary-tag--pgi { background: rgba(158,40,180,0.12); color: var(--mrt-purple); }
.glossary-tag--hi { background: rgba(0,93,162,0.12); color: var(--mrt-blue); }
[data-theme="dark"] .glossary-tag--bcp { background: rgba(228,0,43,0.25); color: #ff6085; }
[data-theme="dark"] .glossary-tag--comgi { background: rgba(0,150,69,0.25); color: #50d080; }
[data-theme="dark"] .glossary-tag--pgi { background: rgba(158,40,180,0.25); color: #c070e0; }
[data-theme="dark"] .glossary-tag--hi { background: rgba(0,93,162,0.25); color: #60a5fa; }

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: var(--sp-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  pointer-events: none;
}
.toast {
  background: var(--c-surface);
  color: var(--c-text);
  padding: var(--sp-sm) var(--sp-md);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px var(--c-shadow);
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s, transform 0.3s;
}
.toast--visible { opacity: 1; transform: translateY(0); }
.toast--success { border-left: 4px solid var(--c-success); }
.toast--error { border-left: 4px solid var(--c-danger); }
.toast--info { border-left: 4px solid var(--c-accent); }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--sp-md);
}
.modal {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  max-width: 400px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}
.modal__title { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--sp-md); }
.modal__actions { display: flex; gap: var(--sp-sm); margin-top: var(--sp-lg); justify-content: flex-end; }

/* ===== JP Toggle ===== */
.jp-toggle {
  position: fixed;
  top: var(--sp-sm);
  right: var(--sp-sm);
  z-index: 500;
  width: 40px;
  height: 36px;
  border: 2px solid;
  border-radius: var(--radius);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  line-height: 1.15;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.jp-toggle--ja {
  background: #4a78b8;
  border-color: #4a78b8;
}
.jp-toggle--en {
  background: #b85a5a;
  border-color: #b85a5a;
}
.jp-toggle--bilingual {
  background: #7b6a9e;
  border-color: #7b6a9e;
}

/* ===== Sync Indicator ===== */
.sync-indicator {
  position: fixed;
  top: calc(var(--sp-sm) + 32px);
  right: var(--sp-sm);
  z-index: 500;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.sync-indicator__icon { display: block; }

.sync-indicator--syncing {
  opacity: 0.7;
  color: var(--c-accent);
  animation: sync-spin 1s linear infinite;
}
.sync-indicator--done {
  opacity: 0.8;
  color: var(--c-success, #27ae60);
}
.sync-indicator--saved {
  opacity: 0.6;
  color: var(--c-accent);
}
.sync-indicator--error {
  opacity: 0.9;
  color: var(--c-danger, #e74c3c);
}

@keyframes sync-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== Timer Bar ===== */
.timer-bar-wrapper {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-sm);
}
.timer-bar {
  flex: 1;
  height: 4px;
  background: var(--c-surface-alt);
  border-radius: 2px;
  overflow: hidden;
}
.timer-bar__fill {
  height: 100%;
  background: var(--c-accent);
  transition: width 1s linear;
  border-radius: 2px;
}
.timer-bar__fill--warning { background: var(--c-warning); }
.timer-bar__fill--danger { background: var(--c-danger); }
.timer-bar__time {
  font-size: 0.8rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
  color: var(--c-text-secondary);
}
.timer-bar__time--warning { color: var(--c-warning); }
.timer-bar__time--danger { color: var(--c-danger); }

/* ===== Progress Bar ===== */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--c-surface-alt);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  background: var(--c-success);
  border-radius: 4px;
  transition: width var(--transition);
}

/* ===== Choice Grid (MCQ) ===== */
.choice-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
}
.choice-btn {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}
@media (hover: hover) {
  .choice-btn:hover {
    border-color: var(--c-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--c-shadow);
  }
  .choice-btn:hover .choice-btn__label {
    background: var(--c-accent);
    color: #fff;
  }
}
.choice-btn:active { transform: scale(0.98); }
.choice-btn__label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-surface-alt);
  font-weight: 700;
  font-size: 0.85rem;
  transition: background var(--transition), color var(--transition);
}
.choice-btn--correct {
  border-color: var(--c-success);
  border-width: 3px;
  background: rgba(40,167,69,0.12);
  animation: correctPop 0.3s ease;
  box-shadow: 0 0 0 3px rgba(40,167,69,0.15), 0 4px 12px rgba(40,167,69,0.1);
}
.choice-btn--correct .choice-btn__label {
  background: var(--c-success);
  color: #fff;
}
.choice-btn--correct .choice-btn__label::after { content: ' \2713'; }
.choice-btn--wrong {
  border-color: var(--c-danger);
  background: rgba(220,53,69,0.08);
  animation: wrongShake 0.4s ease;
}
.choice-btn--wrong .choice-btn__label {
  background: var(--c-danger);
  color: #fff;
}
.choice-btn--wrong .choice-btn__label::after { content: ' \2717'; }
.choice-btn--disabled { pointer-events: none; opacity: 0.35; }
.choice-btn--disabled.choice-btn--correct,
.choice-btn--disabled.choice-btn--wrong { opacity: 1; }

@keyframes correctPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}
@keyframes wrongShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ===== Hawker Collection ===== */
.hawker-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-sm);
}
.hawker-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: var(--sp-sm);
  border-radius: var(--radius);
  background: var(--c-surface-alt);
  font-size: 0.8rem;
  transition: transform var(--transition);
}
.hawker-item--locked { opacity: 0.5; filter: grayscale(1); cursor: default; }
.hawker-unlock-hint {
  font-size: 0.65rem;
  line-height: 1.3;
  color: transparent;
  margin-top: 2px;
}
@media (hover: hover) {
  .hawker-item:not(.hawker-item--locked):hover { transform: scale(1.03); }
  .hawker-item--locked:hover { opacity: 0.7; filter: grayscale(0.5); }
  .hawker-item--locked:hover .hawker-unlock-hint { color: var(--text-secondary); }
}
.hawker-item--locked:focus { opacity: 0.7; filter: grayscale(0.5); outline: none; }
.hawker-item--locked:focus .hawker-unlock-hint { color: var(--text-secondary); }
.hawker-item__icon { font-size: 1.5rem; flex-shrink: 0; }

/* ===== Trivia Card ===== */
.trivia-card {
  background: linear-gradient(135deg, var(--c-accent), #006b9e);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--sp-md);
  margin-bottom: var(--sp-md);
}
.trivia-card__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.8;
  margin-bottom: var(--sp-xs);
}
.trivia-card__text { font-size: 0.95rem; line-height: 1.5; }

/* ===== Glossary List ===== */
.glossary-list { list-style: none; }
.glossary-item {
  padding: var(--sp-sm) var(--sp-xs);
  border-bottom: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: background var(--transition);
}
@media (hover: hover) {
  .glossary-item:hover { background: var(--c-surface-alt); }
}
.glossary-item__term { font-weight: 700; color: var(--c-primary); }
.glossary-item__def { font-size: 0.9rem; color: var(--c-text-secondary); margin-top: 2px; }
.glossary-item__example { font-size: 0.8rem; color: var(--c-text-secondary); font-style: italic; margin-top: 2px; }
.glossary-item__jp { font-size: 0.85rem; color: var(--c-accent); margin-top: 2px; }

/* ===== Bookmark Button (quiz explanation) ===== */
.btn-bookmark {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--c-text-secondary);
  font-size: 0.8rem;
  padding: 6px 12px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.btn-bookmark--active {
  color: var(--c-gold);
  border-color: var(--c-gold);
  background: rgba(245,166,35,0.08);
}
@media (hover: hover) {
  .btn-bookmark:hover { border-color: var(--c-gold); color: var(--c-gold); }
}

/* Bookmark star on glossary items */
.glossary-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
}
.btn-bookmark-star {
  border: none;
  background: none;
  font-size: 1.1rem;
  color: var(--c-border);
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  transition: color var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.btn-bookmark-star--active {
  color: var(--c-gold);
}
@media (hover: hover) {
  .btn-bookmark-star:hover { color: var(--c-gold); transform: scale(1.2); }
}

/* Keyword tag bookmarked state */
.keyword-tag--bookmarked {
  background: var(--c-gold);
  box-shadow: 0 0 0 2px rgba(245,166,35,0.2);
}

/* ===== Keyword Tooltip ===== */
[data-tooltip] {
  position: relative;
  cursor: help;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-text);
  color: var(--c-bg);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
  padding: 6px 10px;
  border-radius: var(--radius);
  white-space: normal;
  width: max-content;
  max-width: 260px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
[data-tooltip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--c-text);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
}
@media (hover: hover) {
  [data-tooltip]:hover::after,
  [data-tooltip]:hover::before {
    opacity: 1;
  }
}
/* Touch: show on focus for mobile */
[data-tooltip]:focus-visible::after,
[data-tooltip]:focus-visible::before {
  opacity: 1;
}
/* Dark mode tooltip */
[data-theme="dark"] [data-tooltip]::after {
  background: var(--c-surface-alt);
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
[data-theme="dark"] [data-tooltip]::before {
  border-top-color: var(--c-surface-alt);
}

/* ===== Search Box ===== */
.search-box {
  width: 100%;
  padding: var(--sp-sm) var(--sp-md);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--c-surface);
  color: var(--c-text);
  outline: none;
  transition: border-color var(--transition);
}
.search-box:focus { border-color: var(--c-accent); }

/* ===== Virtual Supporter Bubble ===== */
.supporter-bubble {
  display: flex;
  gap: var(--sp-sm);
  align-items: flex-start;
  padding: var(--sp-sm) var(--sp-md);
  border-radius: 16px 16px 16px 4px;
  background: linear-gradient(135deg, #fff0f5, #ffe8f0);
  border: 1px solid #ffcce0;
  margin-top: var(--sp-sm);
  animation: supporterSlideIn 0.4s ease;
  position: relative;
}
@keyframes supporterSlideIn {
  from { opacity: 0; transform: translateX(-12px) translateY(4px); }
  to { opacity: 1; transform: translateX(0) translateY(0); }
}
[data-theme="dark"] .supporter-bubble {
  background: linear-gradient(135deg, #2a1a2e, #301a28);
  border-color: #503050;
}
.supporter-bubble__avatar {
  font-size: 1.5rem;
  flex-shrink: 0;
  animation: supporterBreath 3s ease-in-out infinite;
}
@keyframes supporterBreath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.supporter-bubble__name {
  font-size: 0.7rem;
  font-weight: 700;
  color: #d63384;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
[data-theme="dark"] .supporter-bubble__name { color: #ff80b0; }
.supporter-bubble__text {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--c-text);
  animation: supporterTextFade 0.3s ease;
}
@keyframes supporterTextFade {
  from { opacity: 0; }
  to { opacity: 1; }
}
/* Typing indicator (…… effect) */
.supporter-bubble__typing {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}
.supporter-bubble__typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d63384;
  opacity: 0.4;
  animation: typingDot 1.2s ease-in-out infinite;
}
[data-theme="dark"] .supporter-bubble__typing span { background: #ff80b0; }
.supporter-bubble__typing span:nth-child(2) { animation-delay: 0.2s; }
.supporter-bubble__typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.4; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ===== Sakura Center Overlay (mode-select → quiz transition) ===== */
.sakura-center-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--sp-md);
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: pointer;
}
.sakura-center-overlay--visible { opacity: 1; }
.sakura-center-overlay .supporter-bubble {
  max-width: 380px;
  width: 100%;
  animation: none;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.sakura-center-overlay--visible .supporter-bubble {
  transform: scale(1);
}

/* ===== MRT Tutorial Modal ===== */
.mrt-tutorial-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--sp-md);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mrt-tutorial-overlay--open { opacity: 1; }
.mrt-tutorial-overlay--closing { opacity: 0; }

.mrt-tutorial-card {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  max-width: 380px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  text-align: center;
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s ease;
  padding: 0 var(--sp-lg) var(--sp-lg);
  --line-color: #fff;
}
.mrt-tutorial-overlay--open .mrt-tutorial-card {
  transform: translateY(0) scale(1);
  animation: mrtGlowPulse 2s ease-in-out infinite;
}
@keyframes mrtGlowPulse {
  0%, 100% { box-shadow: 0 0 24px 6px var(--line-color), 0 0 60px 12px color-mix(in srgb, var(--line-color) 40%, transparent); }
  50%      { box-shadow: 0 0 36px 12px var(--line-color), 0 0 80px 24px color-mix(in srgb, var(--line-color) 50%, transparent); }
}
.mrt-tutorial-overlay--closing .mrt-tutorial-card {
  transform: translateY(20px) scale(0.95);
}

.mrt-tutorial-accent {
  height: 4px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin: 0 calc(-1 * var(--sp-lg));
  margin-bottom: var(--sp-lg);
}

.mrt-tutorial-avatar {
  font-size: 3rem;
  margin-bottom: var(--sp-xs);
  animation: supporterBreath 3s ease-in-out infinite;
}

.mrt-tutorial-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: #d63384;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-md);
}
[data-theme="dark"] .mrt-tutorial-name { color: #ff80b0; }

.mrt-tutorial-badge {
  display: inline-block;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: var(--sp-sm);
}

.mrt-tutorial-module {
  font-size: 0.75rem;
  color: var(--c-text-secondary);
  margin-bottom: var(--sp-md);
}

.mrt-tutorial-message {
  text-align: left;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-text);
  margin-bottom: var(--sp-lg);
}
.mrt-tutorial-message p {
  margin: 0 0 var(--sp-sm);
}
.mrt-tutorial-message p:last-child { margin-bottom: 0; }

.mrt-tutorial-btn-row {
  display: flex;
  gap: var(--sp-sm);
}
.mrt-tutorial-btn {
  flex: 1;
  padding: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
}
/* Dark mode: ensure outline button text is readable */
[data-theme="dark"] .mrt-tutorial-btn.btn--outline {
  border-color: var(--c-border);
  color: var(--c-text);
}
[data-theme="dark"] .mrt-tutorial-btn.btn--primary {
  color: #fff;
}

/* ===== Achievement Unlock Popup ===== */
.achievement-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--sp-md);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.achievement-popup-overlay--open { opacity: 1; }
.achievement-popup-overlay--closing { opacity: 0; }

.achievement-popup-card {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  max-width: 340px;
  width: 100%;
  text-align: center;
  position: relative;
  padding: var(--sp-xl) var(--sp-lg) var(--sp-lg);
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s ease;
}
.achievement-popup-overlay--open .achievement-popup-card {
  transform: translateY(0) scale(1);
  animation: achievementGlow 2s ease-in-out infinite;
}
.achievement-popup-overlay--closing .achievement-popup-card {
  transform: translateY(20px) scale(0.95);
}
@keyframes achievementGlow {
  0%, 100% { box-shadow: 0 0 24px 6px #c0c0c0, 0 0 60px 12px rgba(192,192,192,0.35); }
  50%      { box-shadow: 0 0 40px 14px #d0d0d0, 0 0 80px 24px rgba(192,192,192,0.5); }
}

.achievement-popup-icon {
  font-size: 3.5rem;
  margin-bottom: var(--sp-sm);
  animation: achievementBounce 0.6s ease-out;
}
@keyframes achievementBounce {
  0%   { transform: scale(0); }
  50%  { transform: scale(1.3); }
  70%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.achievement-popup-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-xs);
}

.achievement-popup-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: var(--sp-xs);
}

.achievement-popup-desc {
  font-size: 0.85rem;
  color: var(--c-text-secondary);
  margin-bottom: var(--sp-lg);
}

.achievement-popup-btn {
  width: 100%;
  padding: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius);
  cursor: pointer;
}
[data-theme="dark"] .achievement-popup-btn {
  border-color: var(--c-border);
  color: var(--c-text);
}

/* ===== Hawker Progress Bar ===== */
.hawker-progress {
  height: 8px;
  background: var(--c-surface-alt);
  border-radius: 4px;
  overflow: hidden;
  max-width: 320px;
  margin: 0 auto;
}
.hawker-progress__fill {
  height: 100%;
  background: var(--c-accent);
  border-radius: 4px;
  transition: width 0.4s ease;
}

/* ===== Hawker Unlock Animation (#22) ===== */
.hawker-item--just-unlocked {
  animation: hawkerUnlock 0.8s ease;
}
@keyframes hawkerUnlock {
  0% { transform: scale(0.5); opacity: 0; }
  50% { transform: scale(1.2); }
  70% { transform: scale(0.95); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Feedback Button (#30) ===== */
.feedback-fab {
  position: fixed;
  bottom: var(--sp-sm);
  left: var(--sp-sm);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--c-accent);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  z-index: 100;
  transition: transform var(--transition), background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.feedback-fab:hover { transform: scale(1.1); }
.feedback-fab:active { transform: scale(0.95); }