.board-wrap{width:100%;height:100%;display:flex;overflow:visible;min-height:0}.board-wrap.is-zoomed{overflow:auto;scrollbar-width:thin}.board{margin:auto}.board{position:relative;perspective:1100px;display:grid;grid-template-columns:repeat(var(--cols, 12),var(--cell, 48px));grid-auto-rows:var(--cell, 48px);grid-auto-flow:dense;gap:calc(var(--cell, 48px) * .09);padding:calc(var(--cell, 48px) * .2);border-radius:var(--r-xl);background:#0b0b10;border:1px solid var(--border-soft);box-shadow:var(--shadow-lg),var(--glow-violet)}.board__stars{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;opacity:.5;background-image:radial-gradient(1px 1px at 20% 30%,rgba(255,255,255,.5),transparent),radial-gradient(1px 1px at 60% 70%,rgba(255,255,255,.4),transparent),radial-gradient(1.5px 1.5px at 80% 22%,rgba(255,255,255,.5),transparent),radial-gradient(1px 1px at 42% 82%,rgba(255,255,255,.35),transparent),radial-gradient(1px 1px at 90% 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var(--accent);outline-offset:1px;box-shadow:0 0 20px #ff6c3999;z-index:7}.tile.is-merge-target:before{content:"합치기";position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;display:flex;align-items:center;justify-content:center;border-radius:inherit;background:#ff6c3947;color:#fff;font-size:clamp(9px,calc(var(--cell, 48px) * .22),13px);font-weight:800;letter-spacing:.02em;pointer-events:none}.tile__upload{position:absolute;top:4px;right:4px;z-index:4;display:flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;border-radius:var(--r-full);font-size:11px;font-weight:800;line-height:1;color:#fff;pointer-events:none;box-shadow:0 1px 4px #00000080}.tile__upload--uploading{background:#0009}.tile__upload--done{background:#22ac66f2}.tile__upload--error{background:#f04438f2}.tile__upload--unsolved{background:#d99a1bf2;font-weight:800}@keyframes 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infinite}.app{position:relative;min-height:100dvh;display:flex;flex-direction:column;isolation:isolate}.app:before,.app:after{content:"";position:fixed;pointer-events:none;z-index:-1;filter:blur(200px)}.app:before{width:760px;height:560px;left:-160px;top:-220px;background:radial-gradient(circle,var(--violet),transparent 70%);opacity:.5;animation:glow-drift-a 20s ease-in-out infinite}.app:after{width:640px;height:520px;right:-160px;top:20px;background:radial-gradient(circle,rgba(255,108,57,.5),transparent 70%);opacity:.26;animation:glow-drift-b 26s ease-in-out infinite}@keyframes glow-drift-a{0%,to{transform:translateZ(0) scale(1)}50%{transform:translate3d(60px,40px,0) scale(1.12)}}@keyframes glow-drift-b{0%,to{transform:translateZ(0) scale(1)}50%{transform:translate3d(-50px,30px,0) scale(1.1)}}.topbar{position:sticky;top:0;z-index:5;height:60px;display:flex;align-items:center;gap:16px;padding:0 22px;background:#17171fb8;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-soft)}.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;white-space:nowrap}.brand__mark{width:18px;height:18px;flex:none;background:var(--accent);clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);filter:drop-shadow(0 0 8px var(--accent))}.brand__sub{color:var(--text-3);font-weight:600;font-size:14px;border-left:1px solid var(--border);padding-left:12px}.topbar__spacer{flex:1}.title-chip{position:absolute;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:7px 15px;border:1px solid var(--border);border-radius:var(--r-full);background:var(--surface-2);font-weight:700;font-size:13.5px}.title-chip__star{color:var(--accent-2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;border:1px solid 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22px}.footbar__hint{color:var(--text-3);font-size:13px;text-align:center}.empty-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;align-items:center;justify-content:center;pointer-events:none}.board-wrap--empty{flex:1;align-self:stretch;display:flex;align-items:center;justify-content:center}.board-wrap--empty .empty-prompt{max-width:360px}.empty-prompt{pointer-events:auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:11px;padding:28px 34px;border-radius:var(--r-lg);background:#14141adb;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-soft);box-shadow:var(--shadow-lg),0 0 60px #ff6c392e}.empty-prompt__star{font-size:26px;color:var(--accent-2)}.empty-prompt__title{margin:0;font-size:22px;font-weight:800;letter-spacing:-.5px}.empty-prompt__desc{margin:0;color:var(--text-2);font-size:14px;line-height:1.6}.empty-prompt .btn{margin-top:4px;padding:13px 24px;font-size:15px}.gcell{border:1px dashed rgba(255,255,255,.1);border-radius:calc(var(--cell, 48px) * .14);background:#ffffff04;transition:background .12s ease,border-color .12s ease}.gcell--drop{border-color:var(--accent-2);background:#ff6c3929}.gdrop-ghost{border:2px solid var(--accent-2);border-radius:calc(var(--cell, 48px) * .14);background:#ff6c392e;box-shadow:inset 0 0 0 2px #ff6c3938;pointer-events:none;z-index:4}.board-empty{grid-column:1 / -1;grid-row:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;margin:calc(var(--cell, 48px) * .2);padding:20px;border:2px dashed var(--border);border-radius:var(--r-lg);background:#ff6c390a;color:var(--text-2);cursor:pointer;transition:border-color .15s ease,background .15s ease}.board-empty:hover{border-color:var(--accent);background:#ff6c3914}.board-empty__star{font-size:22px;color:var(--accent-2)}.board-empty__title{font-size:16px;font-weight:800;letter-spacing:-.3px;color:var(--text)}.board-empty__desc{font-size:13px;line-height:1.5;color:var(--text-2)}.board-dropzone{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;display:flex;align-items:center;justify-content:center;border:3px dashed var(--accent);border-radius:var(--r-xl);background:#ff6c391f;pointer-events:none}.board-dropzone__text{font-size:16px;font-weight:800;color:var(--accent-2);text-shadow:0 2px 8px rgba(0,0,0,.5)}.gdrag-preview{position:fixed;transform:translate(-50%,-50%);pointer-events:none;z-index:60;border-radius:8px;background-size:cover;background-position:center;box-shadow:0 12px 34px #00000080;opacity:.92;border:2px solid rgba(255,255,255,.5)}@media(prefers-reduced-motion:reduce){.app:before,.app:after{animation:none}}@media(max-width:720px){.brand__sub{display:none}.title-chip{position:static;transform:none;margin-left:auto}.topbar{padding:0 14px;gap:8px}.canvas-toolbar{padding:0 14px}}.sheet__scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:#0505099e;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.sheet{width:min(440px,100%);max-height:calc(100vh - 48px);overflow-y:auto;display:flex;flex-direction:column;gap:14px;padding:22px 22px 20px;border-radius:var(--r-xl);background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border);box-shadow:var(--shadow-lg),var(--glow-violet)}.sheet__head{display:flex;align-items:center;gap:13px}.sheet__thumb{width:52px;height:52px;flex:0 0 auto;border-radius:12px;background-size:cover;background-position:center;border:1px solid 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2px;font-size:12px;font-weight:600;color:#ff6b5e}.sheet__hint{margin:4px 0 0;font-size:12px;color:var(--text-2)}.sheet__input:disabled{opacity:.5;cursor:not-allowed}.sheet__hm{display:flex;align-items:center;gap:8px}.sheet__num{width:72px;text-align:right;-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}.sheet__num::-webkit-outer-spin-button,.sheet__num::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.sheet__unit{font-size:13px;color:var(--text-2);margin-right:4px}.btn:disabled{opacity:.45;cursor:not-allowed}.sheet__exposure{display:grid;grid-template-columns:1fr 76px 76px 30px;gap:6px;align-items:center}.sheet__input--num{padding-left:9px;padding-right:6px}.sheet__row-remove{border:none;background:transparent;color:var(--text-3);font-size:13px;height:30px;border-radius:var(--r-full);cursor:pointer}.sheet__row-remove:hover{color:#ff6b60;background:#f044381f}.sheet__row-add{align-self:flex-start;border:1px dashed 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#0000008c;color:var(--text);font-size:13.5px;font-weight:700;text-align:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.squeue{position:fixed;top:72px;right:24px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:8px}.squeue__chip{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-full);border:1px solid var(--border);background:#181820eb;color:var(--text);font-size:12.5px;font-weight:800;cursor:pointer;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 6px 18px #0006}.squeue__chip:hover{border-color:#8a6bff80}.squeue__spin{width:12px;height:12px;flex:0 0 auto;border-radius:50%;border:2px solid rgba(138,107,255,.3);border-top-color:#a98cff;animation:mc-queue-spin .8s linear infinite}@keyframes mc-queue-spin{to{transform:rotate(360deg)}}.squeue__panel{width:min(320px,90vw);max-height:50vh;overflow-y:auto;display:flex;flex-direction:column;gap:6px;padding:10px;border-radius:14px;border:1px solid var(--border);background:#14141ef5;box-shadow:0 14px 40px #0000008c;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.squeue__item{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:10px;background:#ffffff08}.squeue__thumb{width:34px;height:34px;flex:0 0 auto;border-radius:8px;background:#ffffff0f center/cover no-repeat;border:1px solid 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