/* ─────────────────────────────────────────────
   Senior Adventure — Interactive Pattern Library (v1)
   Per-card interactive widgets that add pedagogical variety
   beyond the base microtask types. Uses --sa-* tokens from
   senior-adventure.css. Companion JS: senior-adventure-patterns.js.
───────────────────────────────────────────── */

/* ───── Shared base ───── */
.sa-pattern {
  margin: 14px 0 22px;
  padding: 20px 22px 16px;
  background: var(--sa-panel);
  border: 1px solid var(--sa-rule);
  border-left: 3px solid var(--sa-rose);
  border-radius: var(--sa-r);
  box-shadow: 0 1px 0 var(--sa-rule), 0 6px 16px -10px rgba(30,43,58,0.10);
  position: relative;
}
.sa-pattern.is-complete {
  border-left-color: var(--sa-green);
  background: linear-gradient(180deg, var(--sa-green-soft) 0%, var(--sa-panel) 70%);
}
.sa-pattern .ap-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px; flex-wrap: wrap;
}
.sa-pattern .ap-tag {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 999px;
  background: var(--sa-rose-soft); color: var(--sa-rose-deep);
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.sa-pattern .ap-xp {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  background: var(--sa-gold-soft); color: var(--sa-gold-deep);
  font-family: var(--sa-display); font-size: 11.5px; font-weight: 700;
}
.sa-pattern.is-complete .ap-xp {
  background: var(--sa-green-soft); color: var(--sa-teal-deep); /* TODO: green-deep unmapped */
}
.sa-pattern .ap-prompt {
  font-family: var(--sa-display); font-weight: 600; font-size: 14.5px;
  color: var(--sa-ink); margin: 0 0 12px; line-height: 1.45;
}
.sa-pattern .ap-feedback {
  margin-top: 12px; padding: 9px 13px;
  border-radius: var(--sa-r-sm); font-size: 13px; line-height: 1.5;
}
.sa-pattern .ap-feedback.right    { background: var(--sa-green-soft); color: var(--sa-ink); border-left: 3px solid var(--sa-green); }
.sa-pattern .ap-feedback.wrong    { background: var(--sa-red-soft);   color: var(--sa-ink); border-left: 3px solid var(--sa-red); }
.sa-pattern .ap-feedback.reveal   { background: var(--sa-gold-soft);  color: var(--sa-ink); border-left: 3px solid var(--sa-gold); }
.sa-pattern .ap-feedback.info     { background: var(--sa-plum-soft);  color: var(--sa-ink); border-left: 3px solid var(--sa-plum); }

/* ───── PATTERN 1: predict-then-reveal ───── */
.sa-pattern[data-pattern="predict-then-reveal"] .ap-stage-strip {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-stage {
  flex: 1; padding: 7px 10px; border-radius: var(--sa-r-sm);
  background: var(--sa-rule-soft); color: var(--sa-muted);
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; text-align: center;
  border: 1px solid var(--sa-rule);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-stage.is-active {
  background: var(--sa-rose-soft); color: var(--sa-rose-deep);
  border-color: var(--sa-rose);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-stage.is-done {
  background: var(--sa-green-soft); color: var(--sa-teal-deep); /* TODO: green-deep unmapped */
  border-color: var(--sa-green);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-predict textarea {
  width: 100%; min-height: 76px;
  padding: 10px 12px;
  border: 1px solid var(--sa-rule); border-radius: var(--sa-r-sm);
  font-family: var(--sa-body); font-size: 13.5px; color: var(--sa-ink);
  resize: vertical; background: var(--sa-panel);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-confidence {
  display: flex; align-items: center; gap: 12px; margin: 12px 0;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-confidence input[type="range"] {
  flex: 1; accent-color: var(--sa-rose);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-confidence-label {
  font-family: var(--sa-display); font-weight: 700; min-width: 44px; text-align: right;
  color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-lock-btn,
.sa-pattern[data-pattern="predict-then-reveal"] .ap-rate-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 15px;
  background: var(--sa-rose); color: #fff;
  border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12.5px;
  cursor: pointer; transition: background 0.15s;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-lock-btn:hover:not(:disabled),
.sa-pattern[data-pattern="predict-then-reveal"] .ap-rate-btn:hover:not(:disabled) {
  background: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-lock-btn:disabled,
.sa-pattern[data-pattern="predict-then-reveal"] .ap-rate-btn:disabled {
  background: var(--sa-rule); color: var(--sa-muted); cursor: not-allowed;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-reveal {
  margin-top: 14px; padding: 13px 16px;
  background: var(--sa-gold-soft); border-left: 3px solid var(--sa-gold);
  border-radius: var(--sa-r-sm);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-reveal-label {
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--sa-gold-deep);
  margin-bottom: 6px;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-reveal-answer {
  font-family: var(--sa-mono); font-size: 17px; font-weight: 600; color: var(--sa-ink);
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-reveal-detail {
  font-size: 13px; color: var(--sa-ink-soft); margin-top: 6px; line-height: 1.55;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-compare {
  margin-top: 12px; display: flex; flex-direction: column; gap: 8px;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-rate-row {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.sa-pattern[data-pattern="predict-then-reveal"] .ap-rate-btn[data-pt-rate="close"] { background: var(--sa-green); }
.sa-pattern[data-pattern="predict-then-reveal"] .ap-rate-btn[data-pt-rate="far"]   { background: var(--sa-rose); }

/* ───── PATTERN 2: microscope-zoom ───── */
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-stage {
  position: relative; aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--sa-rule-soft) 0%, var(--sa-bg-warm) 100%);
  border-radius: var(--sa-r); overflow: hidden;
  border: 1px solid var(--sa-rule);
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-frame {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px;
  padding: 20px;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-frame[hidden] { display: none; }
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-frame svg,
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-frame img {
  max-width: 100%; max-height: 70%; height: auto; display: block;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-caption {
  font-family: var(--sa-display); font-weight: 600; font-size: 14.5px;
  color: var(--sa-ink); text-align: center;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-detail {
  font-size: 13px; color: var(--sa-ink-soft); text-align: center; max-width: 80%;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-level-badge {
  position: absolute; top: 12px; right: 12px;
  padding: 3px 10px; border-radius: 999px;
  background: var(--sa-ink); color: var(--sa-bg-warm);
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.1em;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-controls {
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px; justify-content: center;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 15px;
  background: var(--sa-rose); color: #fff;
  border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12.5px;
  cursor: pointer; transition: background 0.15s;
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-btn:hover:not(:disabled) {
  background: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="microscope-zoom"] .ap-zoom-btn:disabled {
  background: var(--sa-rule); color: var(--sa-muted); cursor: not-allowed;
}
.sa-pattern[data-pattern="microscope-zoom"] [data-zoom-label] {
  font-family: var(--sa-display); font-weight: 700; color: var(--sa-ink-soft);
  font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase;
}

/* ───── PATTERN 3: interactive-cycle ───── */
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: center;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-layout { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-ring {
  position: relative; width: 100%; aspect-ratio: 1;
  background: radial-gradient(circle at center, var(--sa-bg-warm) 0%, var(--sa-rule-soft) 100%);
  border-radius: 50%;
  border: 1px solid var(--sa-rule);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage {
  position: absolute;
  width: 28%; height: 28%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: 50%;
  font-family: var(--sa-display); font-weight: 600; font-size: 11.5px;
  color: var(--sa-ink); cursor: pointer;
  transition: transform 0.15s, background 0.15s, border-color 0.15s;
  padding: 6px; text-align: center; line-height: 1.15;
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage:hover {
  transform: scale(1.04); border-color: var(--sa-rose);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage.is-active {
  background: var(--sa-rose); color: #fff; border-color: var(--sa-rose-deep);
  box-shadow: 0 3px 10px -2px rgba(30,43,58,0.15);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage.is-visited:not(.is-active) {
  background: var(--sa-rose-soft); border-color: var(--sa-rose);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage-num {
  display: block; font-size: 9.5px; letter-spacing: 0.1em;
  color: var(--sa-muted); margin-bottom: 2px;
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage.is-active .ap-cycle-stage-num {
  color: rgba(255,255,255,0.7);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="top"]    { top: 0;    left: 36%; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="right"]  { top: 36%;  right: 0; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="bottom"] { bottom: 0; left: 36%; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="left"]   { top: 36%;  left: 0; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="top-right"]    { top: 8%;    right: 8%; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="bottom-right"] { bottom: 8%; right: 8%; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="bottom-left"]  { bottom: 8%; left: 8%; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-stage[data-pos="top-left"]     { top: 8%;    left: 8%; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-detail {
  background: var(--sa-bg-warm); border-radius: var(--sa-r-sm);
  padding: 14px 16px; min-height: 160px;
  border: 1px solid var(--sa-rule);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-content[hidden] { display: none; }
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-content h4 {
  font-family: var(--sa-display); font-size: 15px; margin: 0 0 8px; color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="interactive-cycle"] .ap-cycle-content p {
  font-size: 13px; color: var(--sa-ink-soft); line-height: 1.55; margin: 0;
}

/* ───── PATTERN 4: before-after-slider ───── */
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-stage {
  position: relative; aspect-ratio: 16 / 9;
  overflow: hidden; border-radius: var(--sa-r);
  border: 1px solid var(--sa-rule);
  cursor: ew-resize;
  -webkit-user-select: none; user-select: none;
  background: var(--sa-rule-soft);
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-before,
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-after {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-after {
  width: 50%; overflow: hidden;
  border-right: 2px solid #fff;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-after > * {
  width: 200%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-handle {
  position: absolute; top: 0; bottom: 0;
  left: 50%; width: 3px;
  background: #fff; cursor: ew-resize;
  z-index: 3; transform: translateX(-50%);
  box-shadow: 0 2px 6px rgba(0,0,0,0.20);
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-handle::after {
  content: ''; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 26px; height: 26px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 1.5px var(--sa-rose), 0 3px 8px rgba(0,0,0,0.15);
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-handle::before {
  content: '◀ ▶'; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-size: 9px; color: var(--sa-rose-deep); font-weight: 700; letter-spacing: 0.1em;
  z-index: 1;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-label {
  position: absolute; top: 12px;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(0,0,0,0.55); color: #fff;
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; z-index: 2;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-label.before { left: 12px; }
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-label.after  { right: 12px; }
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-captions {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-caption {
  padding: 11px 14px; border-radius: var(--sa-r-sm);
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  font-size: 13px; color: var(--sa-ink-soft); line-height: 1.55;
  transition: background 0.2s, border-color 0.2s;
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-caption.is-prominent {
  background: var(--sa-rose-soft); border-color: var(--sa-rose);
  color: var(--sa-ink);
}
.sa-pattern[data-pattern="before-after-slider"] .ap-slider-caption strong {
  display: block; font-family: var(--sa-display); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sa-rose-deep); margin-bottom: 4px;
}

/* ───── PATTERN 5: hexagon-connections ───── */
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="hexagon-connections"] .ap-hex-layout { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-board {
  display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start;
  padding: 12px;
  background: var(--sa-bg-warm); border-radius: var(--sa-r-sm);
  border: 1px solid var(--sa-rule);
  min-height: 220px;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex {
  width: 90px; height: 78px;
  display: flex; align-items: center; justify-content: center;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
  font-family: var(--sa-display); font-weight: 600; font-size: 11.5px;
  color: var(--sa-ink); cursor: pointer; padding: 8px;
  text-align: center; line-height: 1.2;
  transition: background 0.15s, transform 0.15s;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex:hover {
  background: var(--sa-rose-soft); transform: translateY(-2px);
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex.is-selected {
  background: var(--sa-rose); color: #fff;
  border-color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-side {
  display: flex; flex-direction: column; gap: 12px;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-progress {
  font-family: var(--sa-display); font-weight: 700; font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form {
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm); padding: 12px 14px;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form-label {
  font-family: var(--sa-display); font-weight: 600; font-size: 13px;
  margin-bottom: 8px; color: var(--sa-ink);
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form textarea {
  width: 100%; min-height: 58px;
  padding: 8px 10px; border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  font-family: var(--sa-body); font-size: 13px;
  background: var(--sa-panel);
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form-actions {
  display: flex; gap: 8px; margin-top: 8px;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form button {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form button[data-hex-save] {
  background: var(--sa-rose); color: #fff;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link-form button[data-hex-cancel] {
  background: var(--sa-rule); color: var(--sa-ink-soft);
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-links-list {
  display: flex; flex-direction: column; gap: 6px; max-height: 200px; overflow-y: auto;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link {
  padding: 8px 12px; background: var(--sa-rose-soft);
  border-left: 3px solid var(--sa-rose); border-radius: var(--sa-r-sm);
  font-size: 12.5px; color: var(--sa-ink); line-height: 1.5;
}
.sa-pattern[data-pattern="hexagon-connections"] .ap-hex-link strong {
  color: var(--sa-rose-deep);
}

/* ───── PATTERN 6: card-flip ───── */
.sa-pattern[data-pattern="card-flip"] .ap-flip-count {
  font-family: var(--sa-display); font-weight: 700; font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--sa-rose-deep);
  margin-bottom: 10px;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="card-flip"] .ap-flip-grid { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-card {
  position: relative; height: 160px; perspective: 1000px; cursor: pointer;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-card-inner {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(.4,1.3,.4,1);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-card.is-flipped .ap-flip-card-inner {
  transform: rotateY(180deg);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-front,
.sa-pattern[data-pattern="card-flip"] .ap-flip-back {
  position: absolute; inset: 0;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  border-radius: var(--sa-r-sm);
  padding: 14px; display: flex; flex-direction: column; justify-content: space-between;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-front {
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-back {
  background: var(--sa-ink); color: var(--sa-bg-warm); transform: rotateY(180deg);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-tag {
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-front-text {
  font-family: var(--sa-mono); font-size: 20px; font-weight: 600;
  color: var(--sa-ink); text-align: center;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-flip-hint {
  font-size: 10px; color: var(--sa-muted); text-align: right;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-back-label {
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.14em; color: var(--sa-gold);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-back-text {
  font-size: 12.5px; line-height: 1.45;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-back-actions {
  display: flex; gap: 6px;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-back-actions button {
  flex: 1; padding: 6px 8px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 11px; cursor: pointer;
}
.sa-pattern[data-pattern="card-flip"] [data-flip-again] {
  background: rgba(255,255,255,0.12); color: var(--sa-bg-warm);
}
.sa-pattern[data-pattern="card-flip"] [data-flip-got] {
  background: var(--sa-green); color: #fff;
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-card.is-got .ap-flip-front {
  border-color: var(--sa-green);
  background: var(--sa-green-soft);
}
.sa-pattern[data-pattern="card-flip"] .ap-flip-card.is-got .ap-flip-tag::after {
  content: ' ✓'; color: var(--sa-teal-deep); /* TODO: green-deep unmapped */
}

/* ───── PATTERN 7: sort-steps ───── */
.sa-pattern[data-pattern="sort-steps"] .ap-sort-list {
  display: flex; flex-direction: column; gap: 8px; margin: 8px 0 12px;
  padding: 0; list-style: none;
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-step {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 13px;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  cursor: pointer; transition: background 0.15s, border-color 0.15s;
  font-size: 13px; color: var(--sa-ink);
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-step:hover {
  background: var(--sa-bg-warm);
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-step.is-selected {
  background: var(--sa-rose-soft); border-color: var(--sa-rose);
  outline: 1.5px solid var(--sa-rose); outline-offset: -2px;
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-step.is-correct {
  background: var(--sa-green-soft);
  border-color: var(--sa-green);
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-step::before {
  content: '↕'; color: var(--sa-muted); font-size: 13px; flex-shrink: 0;
  font-weight: 700;
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-actions {
  display: flex; gap: 8px;
}
.sa-pattern[data-pattern="sort-steps"] .ap-sort-actions button {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
}
.sa-pattern[data-pattern="sort-steps"] [data-sort-check] {
  background: var(--sa-rose); color: #fff;
}
.sa-pattern[data-pattern="sort-steps"] [data-sort-reset] {
  background: var(--sa-rule); color: var(--sa-ink-soft);
}

/* ───── PATTERN 8: hotspot ───── */
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-progress {
  font-family: var(--sa-display); font-weight: 700; font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--sa-rose-deep);
  margin-bottom: 10px;
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-stages {
  background: var(--sa-bg-warm); border-radius: var(--sa-r);
  padding: 16px; border: 1px solid var(--sa-rule);
  min-height: 220px; display: flex; align-items: center; justify-content: center;
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-stage[hidden] { display: none !important; }
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-stage {
  text-align: center;
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-stage-hint {
  font-size: 13px; color: var(--sa-ink-soft); margin-bottom: 10px;
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-target,
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-decoy {
  cursor: pointer; transition: stroke 0.15s, fill 0.15s, opacity 0.15s;
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-target:hover,
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-decoy:hover {
  opacity: 0.7;
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-target.is-correct {
  stroke: var(--sa-green); stroke-width: 3;
  fill: var(--sa-green-soft);
}
.sa-pattern[data-pattern="hotspot"] .ap-hotspot-decoy.is-wrong {
  stroke: var(--sa-red); stroke-width: 3;
  fill: var(--sa-red-soft);
}

/* ───── PATTERN 9: spot-error ───── */
.sa-pattern[data-pattern="spot-error"] .ap-error-list {
  display: flex; flex-direction: column; gap: 6px; margin: 8px 0 12px;
  padding: 14px 16px;
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  font-family: var(--sa-mono); font-size: 13.5px;
}
.sa-pattern[data-pattern="spot-error"] .ap-error-line {
  padding: 7px 12px;
  border-radius: var(--sa-r-sm);
  cursor: pointer; transition: background 0.15s, color 0.15s;
  display: flex; align-items: center; gap: 10px;
  color: var(--sa-ink);
}
.sa-pattern[data-pattern="spot-error"] .ap-error-line:hover {
  background: var(--sa-panel);
}
.sa-pattern[data-pattern="spot-error"] .ap-error-line::before {
  content: attr(data-line-num); color: var(--sa-muted);
  font-weight: 700; min-width: 22px; flex-shrink: 0;
}
.sa-pattern[data-pattern="spot-error"] .ap-error-line.is-correct {
  background: var(--sa-red-soft); color: var(--sa-red);
  outline: 1.5px solid var(--sa-red); outline-offset: -2px;
}
.sa-pattern[data-pattern="spot-error"] .ap-error-line.is-correct::after {
  content: ' ← here'; font-family: var(--sa-display); font-size: 10.5px;
  margin-left: auto; font-weight: 700; letter-spacing: 0.1em;
}
.sa-pattern[data-pattern="spot-error"] .ap-error-line.is-wrong {
  background: var(--sa-gold-soft);
}

/* ───── PATTERN 10: fill-blanks ───── */
.sa-pattern[data-pattern="fill-blanks"] .ap-blanks-text {
  padding: 14px 18px;
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  font-family: var(--sa-mono); font-size: 13.5px;
  line-height: 1.9; color: var(--sa-ink);
  margin: 8px 0 12px;
}
.sa-pattern[data-pattern="fill-blanks"] .ap-blank {
  display: inline-block;
  min-width: 80px;
  padding: 3px 10px;
  margin: 0 2px;
  border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  font-family: var(--sa-mono); font-size: 13.5px;
  background: var(--sa-panel); color: var(--sa-ink);
  text-align: center;
}
.sa-pattern[data-pattern="fill-blanks"] .ap-blank:focus {
  outline: 1.5px solid var(--sa-rose); outline-offset: 1px;
  border-color: var(--sa-rose);
}
.sa-pattern[data-pattern="fill-blanks"] .ap-blank.is-right {
  background: var(--sa-green-soft);
  border-color: var(--sa-green); color: var(--sa-teal-deep); /* TODO: green-deep unmapped */
}
.sa-pattern[data-pattern="fill-blanks"] .ap-blank.is-wrong {
  background: var(--sa-red-soft); border-color: var(--sa-red); color: var(--sa-red);
}
.sa-pattern[data-pattern="fill-blanks"] [data-blanks-check] {
  padding: 8px 15px; border: 0; border-radius: var(--sa-r-sm);
  background: var(--sa-rose); color: #fff;
  font-family: var(--sa-display); font-weight: 600; font-size: 12.5px; cursor: pointer;
}

/* ───── PATTERN 11: drag-to-label ───── */
.sa-pattern[data-pattern="drag-to-label"] .ap-label-pool {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 14px;
  background: var(--sa-bg-warm); border: 1px dashed var(--sa-rule);
  border-radius: var(--sa-r-sm); margin: 8px 0 14px;
  min-height: 40px;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-pool::before {
  content: 'LABELS'; font-family: var(--sa-display);
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.14em;
  color: var(--sa-muted); align-self: center;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label {
  display: inline-flex; align-items: center;
  padding: 5px 11px; border-radius: 999px;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  font-family: var(--sa-display); font-weight: 600; font-size: 11.5px;
  color: var(--sa-ink); cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.12s;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label:hover {
  background: var(--sa-rose-soft); border-color: var(--sa-rose);
  transform: translateY(-1px);
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label.is-selected {
  background: var(--sa-rose); color: #fff; border-color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label.is-placed {
  background: var(--sa-green-soft); border-color: var(--sa-green);
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-target-area {
  position: relative; aspect-ratio: 16 / 10;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm); overflow: hidden;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-target-area svg,
.sa-pattern[data-pattern="drag-to-label"] .ap-label-target-area img {
  width: 100%; height: 100%; display: block;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-slot {
  position: absolute;
  min-width: 70px; min-height: 26px;
  padding: 4px 8px;
  background: rgba(255,255,255,0.85); border: 1.5px dashed var(--sa-rose);
  border-radius: var(--sa-r-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--sa-rose-deep);
  transition: background 0.15s, border-color 0.15s;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-slot:hover {
  background: var(--sa-rose-soft);
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-slot:not(:empty)::before {
  content: ''; display: none;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-slot:empty::before {
  content: 'drop here'; font-style: italic;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-slot.is-correct {
  border-color: var(--sa-green); background: var(--sa-green-soft);
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-slot.is-wrong {
  border-color: var(--sa-red); background: var(--sa-red-soft);
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-actions {
  display: flex; gap: 8px; margin-top: 12px;
}
.sa-pattern[data-pattern="drag-to-label"] .ap-label-actions button {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
}
.sa-pattern[data-pattern="drag-to-label"] [data-label-check] { background: var(--sa-rose); color: #fff; }
.sa-pattern[data-pattern="drag-to-label"] [data-label-reset] { background: var(--sa-rule); color: var(--sa-ink-soft); }

/* ───── PATTERN 12: predict-observe-explain ───── */
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-stages {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-stage {
  flex: 1; padding: 7px 10px; border-radius: var(--sa-r-sm);
  background: var(--sa-rule-soft); color: var(--sa-muted);
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; text-align: center;
  border: 1px solid var(--sa-rule);
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-stage.is-active {
  background: var(--sa-rose-soft); color: var(--sa-rose-deep); border-color: var(--sa-rose);
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-stage.is-done {
  background: var(--sa-green-soft); color: var(--sa-teal-deep); /* TODO: green-deep unmapped */
  border-color: var(--sa-green);
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-scenario {
  padding: 13px 16px;
  background: var(--sa-bg-warm); border-left: 3px solid var(--sa-gold);
  border-radius: var(--sa-r-sm); margin-bottom: 14px;
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-scenario-label {
  font-family: var(--sa-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--sa-gold-deep); margin-bottom: 6px;
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-step { display: none; }
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-step.is-active { display: block; }
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-step .step-label {
  font-family: var(--sa-display); font-weight: 600; font-size: 13px;
  color: var(--sa-rose-deep); margin-bottom: 8px;
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-step textarea {
  width: 100%; min-height: 76px;
  padding: 10px 12px;
  border: 1px solid var(--sa-rule); border-radius: var(--sa-r-sm);
  font-family: var(--sa-body); font-size: 13.5px;
  background: var(--sa-panel);
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-prediction-recall {
  padding: 10px 14px; background: var(--sa-plum-soft);
  border-left: 3px solid var(--sa-plum);
  border-radius: var(--sa-r-sm); margin-bottom: 10px;
  font-size: 13px; color: var(--sa-ink); font-style: italic;
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-observation {
  padding: 12px 14px;
  background: var(--sa-gold-soft); border-left: 3px solid var(--sa-gold);
  border-radius: var(--sa-r-sm); margin-bottom: 10px;
}
.sa-pattern[data-pattern="predict-observe-explain"] .ap-poe-observation-label {
  font-family: var(--sa-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--sa-gold-deep);
  margin-bottom: 6px;
}
.sa-pattern[data-pattern="predict-observe-explain"] [data-poe-next] {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 15px; margin-top: 10px;
  background: var(--sa-rose); color: #fff;
  border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12.5px; cursor: pointer;
}
.sa-pattern[data-pattern="predict-observe-explain"] [data-poe-next]:hover {
  background: var(--sa-rose-deep);
}

/* ───── PATTERN 13: drag-to-match ───── */
.sa-pattern[data-pattern="drag-to-match"] .ap-match-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin: 8px 0 12px;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="drag-to-match"] .ap-match-layout { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-col-label {
  font-family: var(--sa-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--sa-muted);
  margin-bottom: 6px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-pool {
  display: flex; flex-direction: column; gap: 8px;
  padding: 12px; background: var(--sa-bg-warm);
  border: 1px solid var(--sa-rule); border-radius: var(--sa-r-sm);
  min-height: 200px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-item {
  padding: 9px 13px; background: var(--sa-panel);
  border: 1px solid var(--sa-rule); border-radius: var(--sa-r-sm);
  font-size: 13px; color: var(--sa-ink); cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-item:hover { background: var(--sa-rose-soft); }
.sa-pattern[data-pattern="drag-to-match"] .ap-match-item.is-selected {
  background: var(--sa-rose); color: #fff; border-color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-item.is-placed {
  background: var(--sa-green-soft);
  border-color: var(--sa-green);
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-bins {
  display: flex; flex-direction: column; gap: 12px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-bin {
  padding: 12px 14px;
  background: var(--sa-bg-warm);
  border: 1.5px dashed var(--sa-rule); border-radius: var(--sa-r-sm);
  cursor: pointer; transition: border-color 0.15s, background 0.15s;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-bin:hover {
  border-color: var(--sa-rose); background: var(--sa-rose-soft);
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-bin-head {
  font-family: var(--sa-display); font-weight: 700; font-size: 12px;
  letter-spacing: 0.1em; color: var(--sa-rose-deep); margin-bottom: 8px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-bin-sub {
  font-size: 11px; color: var(--sa-muted); margin-bottom: 8px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-bin-items {
  display: flex; flex-direction: column; gap: 6px;
  min-height: 30px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-actions {
  display: flex; gap: 8px; margin-top: 8px;
}
.sa-pattern[data-pattern="drag-to-match"] .ap-match-actions button {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
}
.sa-pattern[data-pattern="drag-to-match"] [data-match-check] { background: var(--sa-rose); color: #fff; }
.sa-pattern[data-pattern="drag-to-match"] [data-match-reset] { background: var(--sa-rule); color: var(--sa-ink-soft); }

/* ───── PATTERN 14: manipulative-slider ───── */
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-layout {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 18px;
  align-items: center; margin: 8px 0 12px;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="manipulative-slider"] .ap-slider-layout { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-controls {
  display: flex; flex-direction: column; gap: 14px;
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-control-row {
  display: flex; flex-direction: column; gap: 4px;
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-control-row label {
  font-family: var(--sa-display); font-size: 12px; font-weight: 600;
  color: var(--sa-ink-soft); letter-spacing: 0.04em;
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-control-row input[type="range"] {
  width: 100%; accent-color: var(--sa-rose);
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-value {
  font-family: var(--sa-mono); font-size: 13.5px; color: var(--sa-rose-deep);
  font-weight: 700; align-self: flex-end;
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-output-panel {
  padding: 14px 18px;
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm); text-align: center;
  margin-top: 10px;
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-output-label {
  font-family: var(--sa-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--sa-rose-deep);
  margin-bottom: 4px;
}
.sa-pattern[data-pattern="manipulative-slider"] [data-slider-output] {
  font-family: var(--sa-mono); font-size: 24px; font-weight: 700; color: var(--sa-ink);
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-visual-wrap {
  display: flex; align-items: center; justify-content: center;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm); padding: 12px;
  min-height: 200px;
}
.sa-pattern[data-pattern="manipulative-slider"] .ap-slider-visual-wrap svg {
  max-width: 100%; max-height: 240px; height: auto;
}

/* ───── PATTERN 15: build-molecule ───── */
.sa-pattern[data-pattern="build-molecule"] .ap-mol-layout {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 18px;
  margin: 8px 0 12px;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="build-molecule"] .ap-mol-layout { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-palette {
  display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start;
  padding: 12px; background: var(--sa-bg-warm);
  border: 1px solid var(--sa-rule); border-radius: var(--sa-r-sm);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-atom {
  width: 46px; height: 46px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--sa-panel); border: 1.5px solid var(--sa-rule);
  border-radius: 50%;
  font-family: var(--sa-display); font-weight: 700; font-size: 14.5px;
  color: var(--sa-ink); cursor: pointer;
  transition: background 0.15s, transform 0.12s, border-color 0.15s;
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-atom:hover {
  background: var(--sa-rose-soft); transform: translateY(-2px);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-atom.is-selected {
  background: var(--sa-rose); color: #fff; border-color: var(--sa-rose-deep);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-canvas {
  position: relative; aspect-ratio: 1;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-canvas svg {
  position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none;
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-slot {
  position: absolute;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--sa-panel); border: 1.5px dashed var(--sa-rose);
  border-radius: 50%; cursor: pointer;
  transform: translate(-50%, -50%);
  font-family: var(--sa-display); font-weight: 700; font-size: 14.5px;
  color: var(--sa-rose-deep);
  transition: background 0.15s, border-color 0.15s;
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-slot:hover {
  background: var(--sa-rose-soft);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-slot.is-filled { border-style: solid; }
.sa-pattern[data-pattern="build-molecule"] .ap-mol-slot.is-correct {
  background: var(--sa-green-soft); border-color: var(--sa-green);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-slot.is-wrong {
  background: var(--sa-red-soft); border-color: var(--sa-red);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-atom-placed {
  font-family: var(--sa-display); font-weight: 700;
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-formula-row {
  margin-top: 12px; display: flex; align-items: center; gap: 12px;
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-formula-label {
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--sa-muted);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-formula {
  font-family: var(--sa-mono); font-size: 19px; font-weight: 700;
  color: var(--sa-ink);
}
.sa-pattern[data-pattern="build-molecule"] .ap-mol-formula sub {
  font-size: 13px; vertical-align: sub;
}
.sa-pattern[data-pattern="build-molecule"] [data-mol-reset] {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  background: var(--sa-rule); color: var(--sa-ink-soft);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
  margin-left: auto;
}

/* ───── PATTERN 16: virtual-lab ───── */
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  margin: 8px 0 12px;
}
@media (max-width: 640px) {
  .sa-pattern[data-pattern="virtual-lab"] .ap-lab-layout { grid-template-columns: 1fr; }
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-controls {
  display: flex; flex-direction: column; gap: 14px;
  padding: 14px;
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-input-row {
  display: flex; flex-direction: column; gap: 4px;
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-input-row label {
  font-family: var(--sa-display); font-size: 12px; font-weight: 600;
  color: var(--sa-ink-soft);
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-input-row input[type="range"] {
  width: 100%; accent-color: var(--sa-rose);
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-value {
  font-family: var(--sa-mono); font-size: 13px; color: var(--sa-rose-deep);
  font-weight: 700; align-self: flex-end;
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-visual-wrap {
  display: flex; flex-direction: column; gap: 8px;
  align-items: center; justify-content: flex-end;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm); padding: 14px;
  position: relative; overflow: hidden;
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-rate-tube {
  width: 58px; height: 200px;
  background: var(--sa-rule-soft);
  border-radius: 30px;
  position: relative; overflow: hidden;
  border: 1.5px solid var(--sa-rule);
}
.sa-pattern[data-pattern="virtual-lab"] [data-lab-rate-scale] {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(180deg, var(--sa-rose) 0%, var(--sa-rose-deep) 100%);
  height: 50%; transition: height 0.25s ease;
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-output-row {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-output-label {
  font-family: var(--sa-display); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--sa-muted);
  margin-bottom: 2px;
}
.sa-pattern[data-pattern="virtual-lab"] [data-lab-output] {
  font-family: var(--sa-mono); font-size: 21px; font-weight: 700; color: var(--sa-ink);
}
.sa-pattern[data-pattern="virtual-lab"] .ap-lab-output-unit {
  font-size: 11px; color: var(--sa-muted); margin-left: 2px;
}

/* ───── PATTERN 17: speed-round-tf ───── */
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-status {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-family: var(--sa-display); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--sa-muted);
  margin-bottom: 10px;
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-status strong {
  color: var(--sa-rose-deep); font-family: var(--sa-mono);
  font-size: 13.5px; font-weight: 700; margin-left: 4px;
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-stage {
  padding: 16px 20px;
  background: var(--sa-bg-warm); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  min-height: 140px;
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-q[hidden] { display: none; }
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-q-text {
  font-size: 14.5px; line-height: 1.55; color: var(--sa-ink); margin: 0 0 14px;
  font-family: var(--sa-display);
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-tf-controls {
  display: flex; gap: 10px;
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-tf {
  flex: 1; padding: 10px 16px; border: 0; border-radius: var(--sa-r-sm);
  background: var(--sa-panel); color: var(--sa-ink);
  border: 1px solid var(--sa-rule);
  font-family: var(--sa-display); font-weight: 700; font-size: 13.5px; cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-tf:hover {
  background: var(--sa-rose-soft); border-color: var(--sa-rose);
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-tf.is-right {
  background: var(--sa-green-soft); border-color: var(--sa-green);
  color: var(--sa-teal-deep); /* TODO: green-deep unmapped */
}
.sa-pattern[data-pattern="speed-round-tf"] .ap-speed-tf.is-wrong {
  background: var(--sa-red-soft); border-color: var(--sa-red); color: var(--sa-red);
}

/* ───── PATTERN 18: rank-the-list ───── */
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-list {
  display: flex; flex-direction: column; gap: 8px; margin: 8px 0 12px;
  padding: 0; list-style: none;
  counter-reset: rank;
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-item {
  counter-increment: rank;
  display: flex; align-items: center; gap: 12px;
  padding: 9px 13px;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  cursor: pointer; transition: background 0.15s, border-color 0.15s;
  font-size: 13px; color: var(--sa-ink);
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-item::before {
  content: counter(rank);
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  background: var(--sa-rose); color: #fff;
  border-radius: 50%; font-family: var(--sa-display);
  font-weight: 700; font-size: 12.5px; flex-shrink: 0;
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-item:hover {
  background: var(--sa-bg-warm);
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-item.is-selected {
  background: var(--sa-rose-soft); border-color: var(--sa-rose);
  outline: 1.5px solid var(--sa-rose); outline-offset: -2px;
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-item.is-correct {
  background: var(--sa-green-soft);
  border-color: var(--sa-green);
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-item.is-correct::before {
  background: var(--sa-green);
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-actions {
  display: flex; gap: 8px;
}
.sa-pattern[data-pattern="rank-the-list"] .ap-rank-actions button {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
}
.sa-pattern[data-pattern="rank-the-list"] [data-rank-check] { background: var(--sa-rose); color: #fff; }
.sa-pattern[data-pattern="rank-the-list"] [data-rank-reset] { background: var(--sa-rule); color: var(--sa-ink-soft); }

/* ───── PATTERN 19: highlight-evidence ───── */
.sa-pattern[data-pattern="highlight-evidence"] .ap-claim {
  padding: 11px 16px; margin-bottom: 12px;
  background: var(--sa-plum-soft); border-left: 3px solid var(--sa-plum);
  border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 13.5px;
  color: var(--sa-ink);
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-claim::before {
  content: 'CLAIM · '; font-family: var(--sa-display);
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--sa-plum-deep);
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-passage {
  padding: 13px 18px;
  background: var(--sa-panel); border: 1px solid var(--sa-rule);
  border-radius: var(--sa-r-sm);
  font-size: 13.5px; line-height: 1.75; color: var(--sa-ink);
  margin-bottom: 12px;
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-sentence {
  cursor: pointer; padding: 2px 4px; border-radius: 4px;
  transition: background 0.15s;
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-sentence:hover {
  background: var(--sa-rose-soft);
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-sentence.is-selected {
  background: var(--sa-gold-soft); box-shadow: 0 1px 0 var(--sa-gold);
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-sentence.is-correct {
  background: var(--sa-green-soft);
  box-shadow: 0 1px 0 var(--sa-green);
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-sentence.is-wrong {
  background: var(--sa-red-soft);
  box-shadow: 0 1px 0 var(--sa-red);
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-evidence-actions {
  display: flex; gap: 8px;
}
.sa-pattern[data-pattern="highlight-evidence"] .ap-evidence-actions button {
  padding: 7px 13px; border: 0; border-radius: var(--sa-r-sm);
  font-family: var(--sa-display); font-weight: 600; font-size: 12px; cursor: pointer;
}
.sa-pattern[data-pattern="highlight-evidence"] [data-evidence-check] { background: var(--sa-rose); color: #fff; }
.sa-pattern[data-pattern="highlight-evidence"] [data-evidence-reset] { background: var(--sa-rule); color: var(--sa-ink-soft); }