*{box-sizing:border-box} :root{--paper:#f5f3eb;--ink:#262e43;--muted:#636877;--line:#deded6;--purple:#7261ad;color:var(--ink);font-family:Arial,Helvetica,sans-serif;background:var(--paper);font-synthesis:none}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.38}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #6953b0;outline-offset:4px}a{color:inherit}.page{max-width:850px;margin:auto;padding:0 32px}.masthead{display:flex;align-items:center;justify-content:space-between;height:92px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:11px;font-weight:800;letter-spacing:1.8px}.brand-mark{font-family:Georgia,serif;font-size:31px;line-height:1;letter-spacing:-3px;display:inline-grid;place-content:center;background:var(--ink);color:var(--paper);width:34px;height:34px;border-radius:9px;padding-right:3px}.quiet{border:1px solid var(--line);background:transparent;border-radius:9px;min-height:44px;padding:8px 14px;font-size:13px;font-weight:600}.quiet:hover:not(:disabled){background:#eae8df}.help{border-radius:50%;width:44px;font-family:Georgia,serif;font-size:20px}.intro{display:flex;align-items:flex-end;justify-content:space-between;margin:32px 0 0}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:800;margin:0 0 9px;color:var(--muted)}h1{font-size:64px;line-height:1;letter-spacing:-4px;margin:0;font-weight:800}.title-dot{color:var(--purple)}.daily-tag{display:flex;flex-direction:column;gap:7px;text-align:right;padding-bottom:6px}.daily-tag span{font-size:10px;font-weight:800;letter-spacing:1.3px}.daily-tag time{font-size:13px;color:var(--muted)}.tagline{margin:13px 0 28px;color:var(--muted);font-size:15px}.play-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:32px}.score-strip{display:flex;align-items:center;justify-content:space-between;margin:0 2px 16px}.score-strip>div:first-child{white-space:nowrap}.score-strip strong{font-size:28px;letter-spacing:-1px}.score-strip span{font-size:13px;color:var(--muted)}.target{display:flex;align-items:center;gap:6px;font-size:9px;font-weight:700;white-space:nowrap}.target strong{font-size:14px;letter-spacing:0}.target-dot{display:block;width:6px;height:6px;border-radius:50%;background:var(--purple)}.case-shell{position:relative;padding:11px;border:2px solid var(--ink);border-radius:21px;background:#e8e5dc;box-shadow:0 5px 0 #d9d6cb}.case-handle{position:absolute;top:-9px;left:calc(50% - 24px);height:8px;width:48px;border:2px solid var(--ink);border-bottom:0;border-radius:8px 8px 0 0;background:var(--paper)}.board{display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(6,1fr);width:100%;aspect-ratio:1;gap:3px;touch-action:none;user-select:none}.board-row{display:contents}.cell{position:relative;min-width:0;min-height:0;background:#f8f7f1;border:0;border-radius:5px;padding:0;font-size:11px;font-weight:800;color:#263049;outline-offset:-3px!important}.cell.empty:after{content:"";position:absolute;top:calc(50% - 1.5px);left:calc(50% - 1.5px);width:3px;height:3px;background:#d9d6cd;border-radius:50%}.cell.blocked{background:repeating-linear-gradient(135deg,#d6d3ca,#d6d3ca 3px,#dedbd3 3px,#dedbd3 8px);color:#73716c;font-size:23px;font-weight:400}.cell.packed{background:var(--piece);box-shadow:inset 0 -3px 0 #00000010}.cell.packed.selected{outline:2px solid var(--ink);outline-offset:-2px!important}.cell.preview{background:var(--piece);opacity:.65;box-shadow:inset 0 0 0 2px #262e4366}.cell.preview.invalid{background:#edc2bc;box-shadow:inset 0 0 0 2px #ae453b}.cell.preview:after{display:none}.board-hint{display:flex;align-items:center;justify-content:center;gap:7px;font-size:11px;color:var(--muted);margin:14px 0}.blocked-sample{display:inline-grid;place-content:center;width:16px;height:16px;border-radius:3px;background:repeating-linear-gradient(135deg,#d6d3ca,#d6d3ca 2px,#e5e2da 2px,#e5e2da 5px);font-size:14px}.board-toolbar{display:flex;gap:8px;align-items:center}.board-toolbar .quiet{flex:1}.board-toolbar .quiet span{font-size:19px;margin-right:4px;vertical-align:-1px}.mode-pill{padding:7px 9px;border:1px solid var(--line);border-radius:6px;font-size:9px;letter-spacing:1px;font-weight:700}.mode-pill.practice-mode{background:#eee6ff;color:#60488d}.tray-side{padding-top:4px}.tray-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 8px}.tray-heading h2{font-size:16px;margin:0;letter-spacing:-.3px}.tray-heading>span{font-size:11px;color:var(--muted)}.tray-hint{font-size:11px;color:var(--muted);margin:0 0 14px}.tray{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.piece{position:relative;border:1px solid var(--line);border-radius:11px;height:91px;padding:9px 4px 5px;background:#faf9f4;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;touch-action:none;user-select:none}.piece:hover:not(:disabled){border-color:#9992b0}.piece[aria-pressed=true]{border:2px solid var(--ink);background:#ebe7f5;padding:8px 3px 4px}.piece.used{background:#eeeee7;border-style:dashed}.piece.used .mini{opacity:.32}.piece.used .piece-label:after{content:" · packed"}.mini{display:grid;grid-template-columns:repeat(var(--w),12px);grid-template-rows:repeat(var(--h),12px);gap:1px;pointer-events:none}.mini-cell{background:var(--piece);border-radius:2px;box-shadow:inset 0 -2px 0 #00000012}.piece-label{font-size:9px;color:#515564;font-weight:600;pointer-events:none}.selection-bar{display:flex;gap:8px;align-items:center;justify-content:space-between;margin:14px 0 0;min-height:45px}.selection-bar>span{font-size:11px;max-width:140px;line-height:1.4;color:var(--muted)}#rotate{border:1px solid var(--line);background:var(--paper);border-radius:9px;min-height:44px;padding:7px 12px;font-size:12px;font-weight:700;white-space:nowrap}#rotate span{font-size:21px;vertical-align:-2px;margin-right:3px}#remove{font-size:11px;padding:6px;min-width:44px}.status{font-size:11px;min-height:30px;line-height:1.4;color:var(--muted);margin:10px 0 7px}.status.error{color:#a23e35}.submit{width:100%;min-height:49px;border:0;border-radius:10px;background:var(--ink);color:white;padding:12px 17px;font-weight:700;font-size:13px;display:flex;justify-content:space-between;align-items:center}.submit:hover:not(:disabled){background:#3c4661}.submit span{font-size:20px;font-weight:400}.save-note{font-size:10px;text-align:center;color:var(--muted);margin:10px 0}.view-result{display:block;margin:12px auto}.text-button{border:0;background:transparent;text-decoration:underline;padding:4px;font-size:inherit;font-weight:700}.notice{background:#ede5cf;border:1px solid #d0bd91;border-radius:9px;padding:12px;font-size:12px;margin:15px 0;line-height:1.5}footer{border-top:1px solid var(--line);margin:30px 0 20px;padding:19px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:10px;color:var(--muted)}#next-countdown{width:100%;text-align:center;font-variant-numeric:tabular-nums;margin-top:8px}dialog{color:var(--ink);background:var(--paper);border:1px solid #d6d3c9;border-radius:23px;padding:32px;max-width:420px;width:calc(100% - 32px);box-shadow:0 24px 80px #121b3d30;max-height:calc(100dvh - 30px);overflow:auto}dialog::backdrop{background:#252b4166;backdrop-filter:blur(4px)}dialog h2{font-size:34px;letter-spacing:-1.5px;margin:12px 0 18px;line-height:1.08}dialog p,dialog li{font-size:13px;line-height:1.65}dialog ol{padding-left:20px;margin:16px 0}dialog li{padding-left:3px;margin:11px 0}dialog details{font-size:12px;border-top:1px solid var(--line);padding-top:13px}dialog summary{cursor:pointer;min-height:30px}dialog .small-print,.small-print{font-size:10px;color:var(--muted);line-height:1.6}.dialog-close{position:absolute;top:16px;right:16px;font-size:24px;border:0;min-width:44px;padding:4px}.tutorial-art{display:flex;gap:12px;align-items:center;justify-content:center;background:#eae6f1;border-radius:13px;padding:8px;margin:18px 0}.tutorial-art span{font-size:52px;line-height:1.3;color:#7961ad}.tutorial-art span:nth-child(2){color:#c06552;transform:rotate(10deg)}.tutorial-art span:nth-child(3){color:#648f80;transform:rotate(-10deg)}.dialog-actions{display:flex;gap:12px;margin-top:24px}.dialog-actions>button{flex:1}.dialog-actions .submit{justify-content:center}#result{text-align:center}#result .eyebrow{margin-top:4px}#result h2{font-size:31px;margin-bottom:18px}.result-icon{font-size:64px;color:#7660aa;line-height:1;margin:20px auto 14px}.result-score{font-size:44px!important;letter-spacing:-2px;font-weight:800;margin:0;line-height:1.2!important}.result-score span{font-size:18px;color:var(--muted);letter-spacing:-.5px}#result-detail{color:var(--muted);font-size:12px}.result-streak{display:flex;gap:8px;justify-content:center;align-items:baseline;border-block:1px solid var(--line);padding:17px;margin:22px 0}.result-streak strong{font-size:26px}.result-streak span{font-size:12px}.practice{width:100%;margin-top:7px}#manual-share{width:100%;min-height:95px;font:12px Arial;padding:10px;background:white;color:var(--ink);border:1px solid var(--line);border-radius:8px}[hidden]{display:none!important}
@media(min-width:760px){main{padding-inline:30px}footer{margin-inline:30px}.play-layout{gap:34px}.intro{margin-top:35px}}@media(max-width:600px){.page{max-width:420px;padding:0 20px}.masthead{height:64px}.brand{font-size:9px;letter-spacing:1.5px}.brand-mark{width:28px;height:28px;font-size:25px}.intro{margin-top:21px}.eyebrow{font-size:8px;letter-spacing:1.3px;margin-bottom:7px}h1{font-size:48px;letter-spacing:-3px}.daily-tag span{font-size:9px}.daily-tag time{font-size:11px}.daily-tag{gap:5px;padding-bottom:4px}.tagline{font-size:12px;margin:9px 0 21px}.play-layout{display:flex;flex-direction:column;gap:19px}.score-strip{margin-bottom:14px}.score-strip strong{font-size:25px}.score-strip span{font-size:12px}.target{font-size:9px}.target strong{font-size:14px}.case-shell{padding:9px;border-radius:19px}.board-hint{margin:12px 0;font-size:10px}.board-toolbar .quiet{min-height:44px;padding:5px 12px;font-size:12px}.tray-side{padding:0}.tray-heading h2{font-size:14px}.tray-heading{margin-bottom:6px}.tray-hint{margin-bottom:10px;font-size:10px}.tray{grid-template-columns:repeat(4,1fr);gap:7px}.piece{height:76px;padding:6px 3px 4px;border-radius:9px;gap:4px}.piece[aria-pressed=true]{padding:5px 2px 3px}.mini{grid-template-columns:repeat(var(--w),11px);grid-template-rows:repeat(var(--h),11px)}.piece-label{font-size:8px}.piece.used .piece-label:after{content:" ✓"}.selection-bar{margin-top:9px}.selection-bar>span{max-width:160px}.status{min-height:18px;margin-top:6px;margin-bottom:8px}.submit{min-height:48px}.save-note{margin:9px 0}footer{margin-top:22px;justify-content:center;flex-direction:column;text-align:center;padding:16px 0;gap:6px;font-size:9px}#next-countdown{margin-top:3px}dialog{padding:27px}dialog h2{font-size:31px}.cell{font-size:10px}}@media(max-width:350px){.page{padding:0 13px}.target{font-size:8px}.tray{gap:5px}.mini{grid-template-columns:repeat(var(--w),10px);grid-template-rows:repeat(var(--h),10px)}.selection-bar>span{max-width:125px}}@media(prefers-reduced-motion:no-preference){button{transition:background .12s,border-color .12s}dialog[open]{animation:appear .18s ease-out}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}
.board-toolbar #rotate{flex:1}.selection-bar{min-height:25px}.selection-bar>span{max-width:none}.tray-heading .mode-pill{margin-left:auto;margin-right:10px;font-size:9px}.tray-hint,.status{font-size:12px}.piece-label{font-size:10px}@media(max-width:600px){.masthead{height:56px}.intro{margin-top:16px}h1{font-size:44px}.tagline{margin:8px 0 18px}.board-hint{margin:8px 0 10px}.play-layout{gap:14px}.tray-hint{font-size:11px}.piece-label{font-size:9px}.selection-bar{min-height:22px;margin-top:8px}.selection-bar>span{max-width:none;font-size:12px}.board-toolbar #rotate{padding:5px 8px;font-size:12px}.status{font-size:12px;min-height:32px}.tray-heading .mode-pill{font-size:8px}}