/* Worksheet reference lock: original anatomy, paper canvas, side slots and
   leader lines. App navy/blue remain navigation/action colors, not new art. */
.main-nav{display:flex;gap:8px;border-bottom:2px solid var(--line);margin-bottom:24px;padding-bottom:12px}.main-nav a{font-size:20px;font-weight:850;text-decoration:none;color:var(--ink);padding:12px 20px;border-radius:12px;min-height:52px}.main-nav a[aria-current=page]{background:var(--stage);color:#fff}.test-tabs{display:flex;gap:10px}.test-tabs button{flex:1;min-width:0}.test-tabs button[aria-selected=true]{background:var(--action);color:#fff;border-color:var(--action)}#test-intro h1{margin-bottom:8px}.activity-note{color:var(--muted);font-size:15px;margin:20px 0}#game-title,.match-heading h2{font-size:clamp(25px,3vw,34px);color:var(--ink);line-height:1.2;margin:0 0 18px;font-weight:850}#mode-label{display:none}#next-region{display:block;width:100%;font-size:19px;margin:16px 0 10px;padding:15px}#next{margin-top:4px}.match-heading{display:flex;gap:20px;align-items:start;justify-content:space-between}.match-heading p{margin:0}.match-actions{display:flex;gap:8px;flex-wrap:wrap;flex-shrink:0;max-width:300px}.match-actions button{font-size:15px}#match-status{background:var(--stage);color:white;padding:14px 18px;border-radius:12px;font-weight:750;margin:18px 0}.match-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:16px;align-items:start}.sheet-area{min-width:0;background:white;border:1px solid var(--line);border-radius:14px;padding:8px}.sheet-help{font-size:13px;margin:8px 12px;color:var(--muted)}#sheet-scroll{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:auto;scroll-padding:12px}#match-sheet{position:relative;width:100%;min-width:850px;aspect-ratio:850/950;background:#fff}.worksheet-art{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.leader{fill:none;stroke:#48617b;stroke-width:1.6;stroke-linejoin:round}.leader-dot{fill:#075cab;stroke:white;stroke-width:.8}.match-slot{position:absolute;width:22.94%;height:5.47%;padding:4px 7px;font-size:14px;font-weight:750;line-height:1.2;text-align:left;border:1.5px solid #8098af;border-radius:6px;background:#f6f9fc;overflow-wrap:anywhere;color:var(--ink);scroll-margin:220px 12px 100px}.match-slot.match-correct{background:#e3f5ec;border:2px solid #156344}.match-slot.match-wrong{background:#fff0e6;border:2px solid #a54213}.match-slot.drop-hover{background:#d7f3ff;outline:3px solid var(--action);outline-offset:2px}.word-bank{position:sticky;top:12px;background:#e5f1fc;border:1px solid #a6c5e4;border-radius:14px;padding:14px;z-index:5;max-height:calc(100dvh - 24px);overflow:auto}.word-bank h3{font-size:21px;margin:0}#selected-word{font-size:13px;font-weight:750;line-height:1.25;min-height:33px;margin:8px 0}#match-bank{display:flex;gap:7px;flex-wrap:wrap}#match-bank button{touch-action:none;user-select:none;-webkit-user-select:none;font-size:14px;line-height:1.2;min-height:44px;padding:8px 10px;text-align:left;width:100%}#clear-selection{font-size:13px;padding:6px 10px;margin-top:8px;min-height:44px}.word-ghost{position:fixed;transform:translate(-50%,calc(-100% - 18px));pointer-events:none;z-index:100;background:#075cab;color:white;border:2px solid white;padding:10px 16px;border-radius:10px;font-weight:800;box-shadow:0 4px 20px #101d3955;max-width:250px}.sheet-pan{display:flex;gap:6px;margin:8px 0}.sheet-pan button{flex:1;font-size:13px;min-height:44px;padding:6px}.match-help{margin:20px 0;font-size:14px}.match-help summary{min-height:44px;cursor:pointer;font-weight:750}.song-panel{margin-top:28px}.song-panel>a{min-height:44px}.intro{padding:24px 30px}.intro img{width:150px;height:150px}.intro{grid-template-columns:1fr 150px}button,a,summary{touch-action:manipulation}
.bank-controls{display:none}
@media(max-width:760px){.bank-controls{display:inline-flex;width:65%;gap:4px}.bank-controls button{font-size:12px;padding:5px;min-height:44px;flex:1}.word-bank #clear-selection{font-size:11px;min-height:44px;width:33%;padding:5px}.word-bank{max-height:230px}}
@media(min-width:1200px){main{max-width:1280px}.sheet-pan{display:none}#match-sheet{min-width:0}.match-slot{min-height:48px}}
@media(max-width:760px){.main-nav{gap:4px;margin-bottom:18px}.main-nav a{font-size:17px;padding:10px 12px}.test-tabs{gap:5px}.test-tabs button{font-size:13px;padding:9px 5px;line-height:1.25;min-height:54px}.intro{grid-template-columns:1fr 82px;padding:20px}.intro img{width:82px;height:82px}.match-heading{display:block}.match-heading h2{margin-bottom:10px}.match-heading p{font-size:15px}.match-actions{margin-top:14px;max-width:none}.match-layout{display:flex;flex-direction:column;gap:12px}.word-bank{order:-1;width:100%;top:0;max-height:210px;padding:10px;overflow:auto;border-radius:10px}.word-bank h3{font-size:17px}#selected-word{margin:5px 0;min-height:0}#match-bank{flex-wrap:nowrap;overflow-x:auto;padding:3px 2px 8px;max-height:70px}#match-bank button{width:auto;flex-shrink:0;max-width:165px;min-height:48px}#clear-selection{margin-top:0;min-height:36px}.sheet-area{width:100%}.match-slot{scroll-margin-top:225px}#game-title{font-size:27px}#next-region{font-size:18px}#sheet-scroll{scroll-padding:10px}.activity-note{margin:16px 0}}