:root{color:#17211f;background:#f5f3ec;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #17211f;--muted: #65716d;--line: #d8d7ce;--paper: #fffdf7;--paper-strong: #ffffff;--teal: #087f7a;--teal-soft: #d7f0ec;--gold: #d9921e;--gold-soft: #fff0c4;--green: #2c8f5f;--green-soft: #dcf4e6;--red: #b63a3a;--red-soft: #ffe3df;--blue: #2d6cdf;--blue-soft: #e4edff;--shadow: 0 18px 45px rgba(41, 47, 43, .12)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;font-size:18px;line-height:1.5}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default}.app-shell{min-height:100vh;overflow-x:hidden;padding:24px}.app-shell--loading{display:grid;place-items:center}.loading-panel{align-items:center;background:var(--paper-strong);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);display:flex;gap:12px;padding:18px 22px}.loading-panel svg{color:var(--teal)}.hidden-input{font-size:16px;height:1px;left:0;opacity:0;position:fixed;top:0;width:1px;z-index:1}.topbar{align-items:center;display:flex;gap:12px;justify-content:space-between;margin:0 auto 12px;max-width:520px}.topbar-title{min-width:0}.topbar-right{align-items:center;display:flex;flex-shrink:0;gap:8px}.eyebrow{color:var(--teal);font-size:.84rem;font-weight:800;margin:0 0 4px}h1,h2,h3,p{margin:0}h1{font-size:2.2rem;line-height:1.1}.topbar-stats{display:flex;gap:6px}.menu-open-button{align-items:center;background:var(--paper-strong);border:1px solid var(--line);border-radius:8px;color:var(--ink);display:inline-flex;font-size:1.25rem;font-weight:900;height:40px;justify-content:center;padding:0;width:40px}.check-button{align-items:center;background:var(--teal);border:none;border-radius:8px;color:#fff;display:flex;font-size:1.06rem;font-weight:900;gap:10px;justify-content:center;min-height:54px;padding:12px;width:100%}.check-button svg{flex:0 0 auto;height:20px;width:20px}.hint-actions{display:grid;gap:8px;grid-template-columns:1fr 1fr}.direction-chip{align-items:center;background:#ffffffd1;border:1px solid #8fcec6;border-radius:999px;color:var(--teal);display:inline-flex;font-size:.82rem;font-weight:900;gap:5px;padding:3px 9px}.direction-chip svg{height:13px;width:13px}.menu-overlay{align-items:flex-end;background:#17211f6b;display:flex;top:0;right:0;bottom:0;left:0;position:fixed;z-index:20}.menu-sheet{background:var(--paper-strong);border-radius:16px 16px 0 0;box-shadow:0 -8px 32px #17211f38;display:flex;flex-direction:column;max-height:85vh;overflow:hidden;width:100%}.menu-sheet-header{align-items:center;border-bottom:1px solid var(--line);display:flex;flex:0 0 auto;justify-content:space-between;min-height:56px;padding:0 20px}.menu-sheet-header span{font-size:1rem;font-weight:900}.menu-close-button{align-items:center;background:#f0ede6;border:none;border-radius:999px;color:var(--ink);display:inline-flex;font-size:1rem;font-weight:900;height:36px;justify-content:center;width:36px}.menu-sheet .difficulty-picker{flex:0 0 auto}.menu-sheet .stage-list{flex:1;max-height:none;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.menu-sheet-footer{border-top:1px solid var(--line);flex:0 0 auto;padding:12px 16px}.menu-sheet-footer .control-button{width:100%}.topbar-stats span{align-items:center;background:var(--paper-strong);border:1px solid var(--line);border-radius:999px;display:inline-flex;font-size:.9rem;font-weight:800;gap:5px;min-height:34px;padding:6px 10px;white-space:nowrap}.stage-summary span{align-items:center;background:var(--paper-strong);border:1px solid var(--line);border-radius:999px;display:inline-flex;font-weight:800;gap:6px;min-height:36px;padding:8px 14px;white-space:nowrap}.practice-guide{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 auto 18px;max-width:1440px}.practice-guide div{align-items:center;background:var(--paper-strong);border:2px solid var(--line);border-radius:8px;display:grid;gap:2px 10px;grid-template-columns:42px minmax(0,1fr);min-height:72px;padding:10px}.practice-guide span{align-items:center;background:var(--teal-soft);border-radius:999px;color:var(--teal);display:inline-flex;font-size:1.1rem;font-weight:900;grid-row:span 2;height:42px;justify-content:center;width:42px}.practice-guide strong{font-size:1.05rem}.practice-guide small{color:var(--muted);font-size:.86rem}.topbar-stats svg{color:var(--gold);height:18px;width:18px}.game-layout{display:flex;flex-direction:column;gap:10px;margin:0 auto;max-width:520px}.board-panel{background:#fffdf7eb;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);min-width:0;padding:14px}.clue-panel{background:#eef9f6;border:2px solid #8fcec6;border-radius:8px;display:flex;flex-direction:column;gap:10px;min-width:0;padding:14px}.panel-heading{align-items:center;display:flex;justify-content:space-between;margin-bottom:12px}.panel-heading h2{font-size:1.1rem}.panel-heading span{background:var(--blue-soft);border:1px solid #bed0ff;border-radius:999px;color:#214f9c;font-size:.82rem;font-weight:800;padding:5px 10px}.stage-list{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));max-height:220px;overflow:auto;padding:0 16px 16px}.stage-toggle{align-items:center;cursor:pointer;display:flex;font-weight:900;justify-content:space-between;min-height:54px;padding:0 16px}.stage-toggle::marker{color:var(--teal)}.stage-toggle span{color:var(--ink)}.stage-toggle strong{background:var(--blue-soft);border:1px solid #bed0ff;border-radius:999px;color:#214f9c;font-size:.82rem;padding:5px 10px}.difficulty-picker{display:grid;gap:8px;grid-template-columns:repeat(3,minmax(0,1fr));padding:0 16px 12px}.difficulty-button{align-items:center;background:var(--paper-strong);border:2px solid var(--line);border-radius:8px;color:var(--ink);display:flex;font-weight:900;justify-content:space-between;min-height:50px;padding:8px 10px}.difficulty-button.is-active{background:var(--teal-soft);border-color:var(--teal);color:var(--teal)}.difficulty-button small{background:#ffffffb8;border-radius:999px;color:var(--muted);font-size:.78rem;min-width:28px;padding:3px 7px;text-align:center}.content-db{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.content-db .panel-heading{margin-bottom:10px}.word-stat-grid{display:grid;gap:7px;grid-template-columns:repeat(3,minmax(0,1fr))}.word-stat-grid span{background:var(--paper-strong);border:1px solid var(--line);border-radius:8px;color:var(--muted);display:grid;font-size:.78rem;gap:2px;min-height:58px;padding:8px;place-items:center;text-align:center}.word-stat-grid strong{color:var(--ink);font-size:1.15rem}.content-db p{color:var(--muted);font-size:.78rem;line-height:1.45;margin-top:9px}.stage-item{align-items:center;background:var(--paper-strong);border:2px solid var(--line);border-radius:8px;color:var(--ink);display:grid;gap:10px;grid-template-columns:34px minmax(0,1fr) auto;min-height:68px;padding:10px;text-align:left}.stage-helper{color:var(--muted);font-size:.9rem;margin:0;padding:0 16px 16px}.stage-item.is-active{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal)}.stage-index{align-items:center;background:var(--teal-soft);border-radius:8px;color:var(--teal);display:inline-flex;font-weight:900;height:34px;justify-content:center;width:34px}.stage-index svg{height:17px;width:17px}.stage-item strong,.stage-item small{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stage-item small{color:var(--muted);font-size:.78rem;margin-top:3px}.stage-stars{color:var(--gold);font-size:.8rem;font-weight:900;min-width:30px;text-align:right}.stage-summary{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.stage-summary span{background:#fbfaf5;color:var(--muted);font-size:.95rem}.stage-summary .input-direction-chip{background:#e8fbf8;color:var(--teal);font-weight:950}.stage-summary .word-position-chip{background:#fff4d4;color:#7a4f0b;font-weight:950}.direct-input-guide{align-items:center;background:#f7fffd;border:2px solid #8fcec6;border-radius:8px;color:var(--ink);display:grid;gap:10px;grid-template-columns:34px minmax(0,1fr) auto;margin-bottom:12px;padding:11px 12px}.direct-input-guide svg{color:var(--teal);height:26px;width:26px}.direct-input-guide strong,.direct-input-guide span{display:block}.direct-input-guide strong{color:var(--teal);font-size:1rem;font-weight:950}.direct-input-guide span{color:#41615d;font-size:.92rem;font-weight:800;line-height:1.35;margin-top:2px}.direct-input-guide button{background:var(--teal);border:0;border-radius:8px;color:#fff;font-size:.9rem;font-weight:900;min-height:40px;padding:8px 12px}.crossword-board{aspect-ratio:1 / 1;display:grid;gap:4px;grid-template-columns:repeat(var(--grid-size),minmax(0,1fr));margin:0 auto;width:100%}.cell{align-items:center;aspect-ratio:1 / 1;background:var(--paper-strong);border:2px solid #bfc7c2;border-radius:6px;color:var(--ink);display:flex;justify-content:center;min-width:0;padding:0;position:relative}.cell.is-blocked{background:#dce2dc;border-color:#dce2dc}.cell.is-current-word{background:#fff4d4;border-color:#d9a82f}.cell.is-current-across{box-shadow:inset 0 -5px #087f7a52}.cell.is-current-down{box-shadow:inset 5px 0 #087f7a52}.cell.is-word-start{border-top-left-radius:10px}.cell.is-word-end{border-bottom-right-radius:10px}.cell.is-selected{border-color:var(--teal);box-shadow:inset 0 0 0 3px var(--teal),0 0 0 3px #087f7a26}.cell.is-selected:before{animation:selectedCellPulse 1.15s ease-in-out infinite;border:3px solid rgba(8,127,122,.35);border-radius:8px;content:"";top:4px;right:4px;bottom:4px;left:4px;pointer-events:none;position:absolute}.cell.is-completed{background:var(--green-soft);border-color:#9bd6b2}.cell.is-revealed:after{background:var(--gold);border-radius:999px;bottom:5px;content:"";height:6px;position:absolute;right:5px;width:6px}.cell.is-correct{background:var(--green-soft);border-color:var(--green)}.cell.is-wrong{background:var(--red-soft);border-color:var(--red)}.cell.is-empty{background:var(--blue-soft);border-color:#9bb7f2}.cell-number{color:var(--muted);font-size:.72rem;font-weight:900;left:4px;line-height:1;position:absolute;top:4px}.cell-letter{font-size:clamp(1.2rem,3.4vw,2.15rem);font-weight:900;line-height:1}.cell-crossing{border-bottom:7px solid var(--teal);border-left:7px solid transparent;bottom:4px;height:0;left:4px;position:absolute;width:0}.cell-direction-marker{align-items:center;background:var(--teal);border-radius:999px;bottom:4px;color:#fff;display:inline-flex;font-size:.72rem;font-weight:950;height:18px;justify-content:center;line-height:1;position:absolute;right:4px;width:18px}.direction-helper{background:#f7fffd;border:1px solid #bde3dd;border-radius:8px;color:#2d625e;font-size:.92rem;font-weight:850;line-height:1.4;margin:10px 0 0;padding:9px 11px}@keyframes selectedCellPulse{0%,to{opacity:.2}50%{opacity:1}}.control-bar{display:grid;gap:10px;grid-template-columns:repeat(5,minmax(0,1fr)) 44px;margin-top:16px}.control-button,.icon-button{align-items:center;border:1px solid var(--line);border-radius:8px;color:var(--ink);display:inline-flex;font-weight:900;gap:8px;justify-content:center;min-height:56px}.control-button{background:var(--paper-strong);padding:9px 10px}.control-button:disabled{color:#8b9c99;opacity:.62}.control-bar .control-button:nth-child(2){background:var(--teal);border-color:var(--teal);color:#fff}.control-button svg,.icon-button svg{flex:0 0 auto;height:18px;width:18px}.icon-button{background:#f3eee4;padding:0}.status-line{align-items:center;background:#fbfaf5;border:1px solid var(--line);border-radius:8px;color:var(--muted);display:flex;font-size:.95rem;font-weight:800;gap:8px;min-height:44px;padding:10px 13px}.clue-title{color:var(--teal);font-size:.92rem;font-weight:900;margin-bottom:8px}.empty-hint{background:#ffffffb8;border:1px dashed #8fcec6;border-radius:8px;color:var(--muted);display:grid;gap:4px;min-height:118px;padding:16px}.empty-hint strong{color:var(--teal);font-size:1.12rem}.empty-hint span{font-size:.96rem}.selected-hint-body{min-height:0;position:relative}.selected-hint-body .hint-step-list{padding-right:52px}.hint-step-list{display:block}.hint-step{color:var(--ink);display:grid;gap:2px;font-size:.94rem;font-weight:850;line-height:1.3;margin:0 0 7px}.hint-step:last-child{margin-bottom:0}.hint-step-label{color:var(--teal);font-size:.72rem;font-weight:950}.hint-audio-button{align-items:center;background:#f7fffd;border:2px solid #8fcec6;border-radius:8px;color:var(--teal);display:inline-flex;height:42px;justify-content:center;padding:0;position:absolute;right:0;top:0;width:42px}.hint-audio-button svg{height:22px;width:22px}.hint-audio-button:hover,.hint-audio-button:focus-visible{background:#e8fbf8;border-color:var(--teal)}.hint-audio-button.is-speaking{background:#fff4d4;border-color:#d49a20;color:#8c5a00}.hint-step-action{align-items:center;background:#f7fffd;border:2px solid #8fcec6;border-radius:8px;color:var(--teal);display:inline-flex;font-size:.96rem;font-weight:900;gap:7px;justify-content:center;margin-top:10px;min-height:44px;padding:8px 12px;width:100%}.hint-step-action svg{height:19px;width:19px}.clue-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.clue-meta span{background:#ffffffc7;border-radius:999px;color:var(--teal);font-size:.88rem;font-weight:900;padding:4px 9px}.initial-hint{color:#7a4f0b;font-size:1.05rem;font-weight:900;margin-top:12px}.description,.crossing-note{color:var(--muted);font-size:1rem;line-height:1.55;margin-top:10px}.support-note{background:#ffffffa3;border-radius:8px;color:#2d625e;font-size:.95rem;font-weight:800;margin-top:12px;padding:9px 10px}.clue-list{background:var(--paper-strong);border:1px solid var(--line);border-radius:8px}.clue-list-toggle{align-items:center;cursor:pointer;display:flex;font-weight:900;justify-content:space-between;min-height:48px;padding:0 14px}.clue-list-toggle::marker{color:var(--teal)}.clue-list-toggle strong{background:var(--teal-soft);border-radius:999px;color:var(--teal);font-size:.82rem;padding:4px 10px}.clue-list-groups{display:grid;gap:12px;max-height:40vh;overflow-y:auto;overscroll-behavior:contain;padding:4px 12px 12px}.clue-group-title{color:var(--teal);font-size:.82rem;font-weight:900;margin-bottom:6px}.clue-group ul{display:grid;gap:6px;list-style:none;margin:0;padding:0}.clue-list-item{align-items:center;background:#fbfaf5;border:1px solid var(--line);border-radius:8px;color:var(--ink);display:grid;gap:10px;grid-template-columns:26px minmax(0,1fr) auto;min-height:46px;padding:8px 10px;text-align:left;width:100%}.clue-list-item.is-active{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal)}.clue-list-item.is-done{background:var(--green-soft);border-color:#9bd6b2}.clue-list-number{align-items:center;background:var(--teal-soft);border-radius:6px;color:var(--teal);display:inline-flex;font-size:.82rem;font-weight:900;height:26px;justify-content:center;width:26px}.clue-list-text{font-size:.92rem;font-weight:800;line-height:1.35;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.clue-list-status{color:var(--muted);font-size:.78rem;font-weight:900;white-space:nowrap}.clue-list-item.is-done .clue-list-status{color:var(--green)}.clue-list-status svg{display:block;height:18px;width:18px}.clear-overlay{align-items:center;background:#17211f6b;display:flex;top:0;right:0;bottom:0;left:0;justify-content:center;padding:20px;position:fixed;z-index:10}.clear-dialog{background:var(--paper-strong);border:1px solid var(--line);border-radius:8px;box-shadow:0 24px 70px #17211f47;max-width:420px;padding:24px;text-align:center;width:min(100%,420px)}.clear-badge{align-items:center;background:var(--gold-soft);border:1px solid #edcb71;border-radius:999px;color:var(--gold);display:inline-flex;height:58px;justify-content:center;margin-bottom:10px;width:58px}.clear-badge svg{height:30px;width:30px}.clear-dialog h2{font-size:1.65rem;line-height:1.15}.clear-feedback{background:#eef9f6;border:1px solid #bde3dd;border-radius:8px;color:#2d625e;font-size:1.02rem;font-weight:850;line-height:1.45;margin:14px 0 4px;padding:12px}.clear-stars{display:flex;gap:6px;justify-content:center;margin:16px 0}.clear-stars svg{color:#d8d7ce;fill:currentColor;height:34px;width:34px}.clear-stars svg.is-earned{color:var(--gold)}.clear-summary{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:18px}.clear-summary span{background:#fbfaf5;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.86rem;font-weight:900;padding:7px 11px}.clear-actions{display:grid;gap:8px;grid-template-columns:1fr 1fr}.clear-actions .control-button:first-child{background:var(--teal);border-color:var(--teal);color:#fff}.clear-secondary{background:var(--paper-strong);color:var(--ink)}.sr-only{height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:540px){.app-shell{padding:12px}h1{font-size:1.6rem}.crossword-board{gap:3px}.cell{border-radius:4px}.hint-step{font-size:.9rem}.empty-hint{min-height:72px}}@media(max-width:380px){body{font-size:16px}.app-shell{padding:10px}h1{font-size:1.4rem}.cell-letter{font-size:1rem}.cell-number{font-size:.55rem;left:3px;top:3px}}