:root{--paper:#F7F4EF;--mat:#EFE6DA;--ink:#302E2B;--muted:#6C6258;--line:#DED6CC;--green:#687B60;--large:24px;--title:17px;--body:15px;--small:13px;--tiny:11px}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:var(--body);-webkit-font-smoothing:antialiased}button,input{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none;padding:0;font-weight:600;-webkit-tap-highlight-color:transparent}button:disabled{opacity:.42;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:4px}h1,h2,p{margin:0}h1{font-size:var(--large);font-weight:700;line-height:1.4}h2{font-size:var(--title);font-weight:600}a{color:inherit}canvas{display:block}.app{max-width:680px;margin:auto;min-height:100dvh}main{padding:0 22px 110px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:84px;padding:22px 0 12px}.brand{display:inline-flex;align-items:center;gap:7px;font-size:var(--title);font-weight:700;letter-spacing:-.5px}.brand .dot{width:11px;height:11px;border:3px solid var(--ink);border-radius:50%;display:block}.icon{width:40px;height:40px;display:inline-flex;justify-content:center;align-items:center;flex:none}.icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.actions{display:flex;gap:2px}.subtle{font-size:var(--small);color:var(--muted);line-height:1.65}.eyebrow{font-size:var(--tiny);color:var(--muted);letter-spacing:1.5px;margin-bottom:9px}.intro{padding:24px 0 26px}.intro h1{margin-bottom:10px}.hint{margin-top:17px;display:flex;gap:8px;align-items:center;font-size:var(--tiny);color:var(--muted)}.hint svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.4}.section-head{display:flex;align-items:center;justify-content:space-between;margin:3px 0 17px}.counter{font-size:var(--tiny);color:var(--muted)}.filters{display:flex;gap:23px;padding:0 0 20px;align-items:center}.filters button{font-size:var(--small);font-weight:400;min-height:30px}.filters button.active{background:var(--ink);color:var(--paper);border-radius:4px;padding:6px 13px;font-weight:600}.pattern-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pattern-column{display:flex;flex-direction:column;gap:24px}.pattern-card{text-align:left;display:block;width:100%;font-weight:400}.art{width:100%;background:var(--mat);border-radius:8px;overflow:hidden}.card-title{font-size:var(--small);font-weight:600;margin:10px 0 5px}.card-meta{font-size:var(--tiny);color:var(--muted);line-height:1.6}.stars{font-size:var(--tiny);color:var(--muted);letter-spacing:2px;margin-top:5px}.stars small{letter-spacing:0;font-size:var(--tiny);margin-left:6px}.shop-identity h1{font-size:var(--title)}.shop-identity p{font-size:var(--tiny);color:var(--muted);margin-top:6px}.shop-intro{padding:19px 0 27px}.shop-intro h2{font-size:var(--large);line-height:1.45;font-weight:700;max-width:270px}.shop-intro p{margin-top:10px}.tabs{display:flex;gap:28px;margin-bottom:22px}.tabs button{font-size:var(--title);font-weight:400;position:relative;padding:10px 0 13px}.tabs button.active{font-weight:600}.tabs button.active:after{content:"";position:absolute;bottom:0;left:calc(50% - 3px);height:5px;width:5px;border-radius:50%;background:var(--ink)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,680px);height:77px;padding:11px 38px max(12px,env(safe-area-inset-bottom));background:var(--paper);border-top:1px solid var(--line);display:flex;justify-content:space-around;z-index:4}.bottom-nav button{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted);font-size:var(--tiny);width:80px}.bottom-nav .active{color:var(--ink)}.bottom-nav svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.5}.page-title{font-size:var(--title);text-align:center;flex:1}.detail-heading{margin:16px 0 19px}.detail-heading .subtle{margin-top:8px}.view-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:14px}.view-tabs button{font-size:var(--small);padding:8px 20px;border-radius:4px;font-weight:400}.view-tabs button.active{color:var(--paper);background:var(--ink);font-weight:600}.board-window{height:350px;overflow:auto;background:var(--mat);border-radius:8px;touch-action:none;overscroll-behavior:contain;scrollbar-width:thin;cursor:grab}.board-window.dragging{cursor:grabbing}.board-window canvas{max-width:none}.board-tools{display:flex;align-items:center;justify-content:space-between;margin:10px 0 27px}.board-tools .subtle{font-size:var(--tiny)}.zoom-tools{display:flex;align-items:center;gap:13px;font-size:var(--tiny)}.zoom-tools button{height:30px;min-width:25px;font-size:var(--title)}.palette{display:flex;flex-direction:column;gap:0;margin-top:12px}.palette-row{display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px solid var(--line);font-size:var(--small)}.bead-dot{display:inline-block;width:24px;height:24px;flex:none}.bead-dot canvas{width:24px;height:24px}.palette-row .amount{margin-left:auto;color:var(--muted);font-size:var(--tiny)}.fixed-action{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,680px);padding:12px 22px max(18px,env(safe-area-inset-bottom));background:var(--paper);z-index:4}.primary{width:100%;min-height:48px;border-radius:4px;background:var(--ink);color:var(--paper);font-size:var(--body);font-weight:600}.text-button{font-size:var(--small);padding:12px 0;text-decoration:underline;text-underline-offset:4px}.play-heading{display:flex;align-items:center;justify-content:space-between;margin:11px 0 12px}.play-heading h1{font-size:var(--title)}.progress-copy{font-size:var(--small)}.progress-track{height:3px;background:var(--line);margin-bottom:22px}.progress-track span{display:block;height:100%;background:var(--green)}.play-options{display:flex;justify-content:space-between;margin-top:16px;gap:15px}.play-options button{font-size:var(--small);font-weight:400;min-height:32px}.play-options button[aria-pressed=true]{font-weight:600}.play-options button span{color:var(--muted);font-size:var(--tiny);margin-left:5px}.play-footer{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,680px);background:var(--paper);padding:14px 22px 20px;z-index:4;border-top:1px solid var(--line)}.color-strip{display:flex;gap:9px;overflow-x:auto;padding:0 0 12px}.color-option{flex:none;display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 11px;font-size:var(--tiny);border-radius:4px;font-weight:400}.color-option.active{background:var(--ink);color:var(--paper)}.play-page{padding-bottom:200px}.play-page .board-tools{margin-bottom:10px}.play-page .board-window{height:365px}.empty{padding:48px 0;text-align:center}.empty h2{margin-bottom:12px}.mine-intro{padding:18px 0 24px}.mine-tabs{margin:4px 0 24px}.board-note{font-size:var(--tiny);color:var(--muted);line-height:1.7;margin-top:18px}.local-note{font-size:var(--small);color:var(--muted);line-height:1.7;margin-top:24px}.card-progress{margin-top:9px;font-size:var(--tiny);color:var(--green)}dialog{border:0;border-radius:8px 8px 0 0;padding:25px 24px 26px;background:#fff;width:min(100%,680px);max-width:680px;max-height:88dvh;position:fixed;inset:auto 0 0;margin:0 auto;box-shadow:0 -12px 60px #302c2810;color:var(--ink)}dialog::backdrop{background:#28252255}.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.sheet-head h2{font-size:var(--title)}.import-row{display:flex;align-items:center;width:100%;gap:14px;min-height:65px;border-bottom:1px solid #EBE7E1;font-size:var(--body);font-weight:400}.import-row .icon{width:24px}.arrow{margin-left:auto;color:var(--muted)}.import-explain{font-size:var(--small);line-height:1.8;color:var(--muted);margin-top:23px}.demo-note{font-size:var(--tiny);color:var(--muted);line-height:1.7;margin-top:14px}.notice{padding:12px 0;font-size:var(--small);color:var(--muted);line-height:1.6}.link-label{font-size:var(--small);display:block;margin:20px 0 10px}.link-input{width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:transparent;font-size:var(--small);margin-bottom:18px}.form-error{font-size:var(--small);color:#9b423a;min-height:24px;margin-bottom:8px}.busy{padding:30px 0;text-align:center}.busy h2{margin-bottom:12px}.toast{position:fixed;bottom:190px;left:50%;transform:translateX(-50%);width:max-content;max-width:86%;padding:12px 18px;border-radius:4px;background:var(--ink);color:#fff;z-index:20;font-size:var(--small);opacity:0;pointer-events:none;transition:opacity .15s}.toast.show{opacity:1}body:has(dialog[open]){overflow:hidden}.source-note{margin-top:25px;font-size:var(--tiny);color:var(--muted)}@media(min-width:600px){main{padding:0 32px 110px}.intro{padding-top:35px}.pattern-columns{gap:24px}.board-window{height:440px}.play-page .board-window{height:420px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
:root .pattern-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.pattern-column,.pattern-card,.art{min-width:0}.art canvas{max-width:100%}