:root{--yellow: #ffd400;--yellow-light: #fff8cc;--ink: #0a0a0a;--red: #e4002b;--red-hover: #c80025;--blue: #2f5bff;--grid-line: #e6e1cf;font-family:Bricolage Grotesque,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--yellow);color:var(--ink);line-height:1.5;overflow-x:hidden}.nav{display:flex;align-items:center;justify-content:space-between;padding:12px clamp(16px,4vw,48px);border-bottom:3px solid var(--ink);background:var(--yellow);position:sticky;top:0;z-index:50;gap:12px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}.brand img{display:block;height:38px;width:auto}.brand-tag{background:var(--ink);color:#fff;font-size:.68rem;font-weight:800;padding:3px 8px;letter-spacing:.08em;border:2px solid var(--ink)}.nav-rate-badge{background:var(--ink);color:var(--yellow);font-size:.82rem;font-weight:800;padding:5px 14px;border:2px solid var(--ink);box-shadow:2px 2px 0 var(--red);letter-spacing:.02em;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.nav-r{display:flex;align-items:center;gap:16px;flex-shrink:0}.nav-link{color:var(--ink);font-weight:800;font-size:.95rem;text-decoration:none}.nav-link:hover{text-decoration:underline;text-underline-offset:4px}.nav-btn{background:var(--ink);color:var(--yellow);text-decoration:none;font-weight:800;font-size:.92rem;padding:10px 20px;border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink);transition:transform .12s,box-shadow .12s;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.nav-btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--red);color:#fff}[hidden]{display:none!important}.inline-pixel-ico{vertical-align:-2px;margin-right:5px;display:inline-block;image-rendering:pixelated}main{max-width:1060px;margin:0 auto;padding:clamp(14px,2.5vw,24px) clamp(12px,2vw,24px) 48px;min-width:0;scroll-margin-top:16px}.board-top-banner{background:#fff;border:3px solid var(--ink);border-bottom:none;padding:10px 14px;box-shadow:6px 6px 0 var(--ink)}.board-head{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:6px}.board-info-left{display:flex;align-items:center;gap:8px;flex-shrink:0}.board-title{font-weight:800;font-size:.95rem;letter-spacing:-.01em;white-space:nowrap}.coord-hud{font-family:monospace;font-size:.8rem;font-weight:700;background:var(--ink);color:var(--yellow);padding:4px 10px;border:2px solid var(--ink);white-space:nowrap}.board-controls{display:flex;align-items:center;gap:8px;flex-shrink:0}.touch-mode-group,.zoom-group{display:inline-flex;align-items:center;border:2px solid var(--ink);background:#fff;box-shadow:2px 2px 0 var(--ink)}.ctrl-btn{font:inherit;font-size:.8rem;font-weight:800;padding:5px 10px;border:none;background:#fff;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:4px;transition:.1s;box-shadow:none;border-radius:0;-webkit-user-select:none;user-select:none}.ctrl-btn:not(:last-child){border-right:2px solid var(--ink)}.ctrl-btn:hover{background:var(--yellow)}.ctrl-btn.active{background:var(--red);color:#fff}.ctrl-btn.active.pan-active{background:var(--ink);color:var(--yellow)}.zoom-btn{padding:5px 10px;font-size:.88rem;font-weight:800;min-width:30px;justify-content:center}.fit-btn{font-size:.75rem;letter-spacing:.02em}.zoom-level{font-family:monospace;font-size:.8rem;font-weight:800;padding:0 8px;border-right:2px solid var(--ink);min-width:46px;text-align:center;-webkit-user-select:none;user-select:none}.board-instructions{font-size:.82rem;font-weight:700;color:#444;padding-top:6px;border-top:2px dashed #ddd;margin-top:2px}.legend{display:inline-flex;gap:10px;list-style:none;margin:0;padding:4px 8px;background:#fbf9f1;border:2px solid var(--ink);box-shadow:2px 2px 0 var(--ink);align-items:center;flex-shrink:0}.legend li{display:flex;align-items:center;gap:5px;font-size:.76rem;font-weight:800;white-space:nowrap}.legend i{width:11px;height:11px;border:2px solid var(--ink);display:inline-block}.l-sold{background:var(--blue)}.l-empty{background:#fff}.l-sel{background:#ffb3c1;border-color:var(--red)!important}.board-wrap{border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink);background:#f4efe2;position:relative;overflow:visible}.board-inner{display:flex;justify-content:center;align-items:center;width:100%;padding:16px;box-sizing:border-box}#board{--cell-px: 10px;--major-px: 100px;position:relative;width:var(--board-w, 1000px);height:var(--board-w, 1000px);flex-shrink:0;aspect-ratio:1;background-color:#fff;border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink);cursor:url("data:image/svg+xml,%3Csvg width='25' height='25' viewBox='0 0 25 25' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12.5 0V9M12.5 16V25M0 12.5H9M16 12.5H25' stroke='white' stroke-width='4' stroke-linecap='square'/%3E%3Cpath d='M12.5 1V8M12.5 17V24M1 12.5H8M17 12.5H24' stroke='%230a0a0a' stroke-width='2' stroke-linecap='square'/%3E%3Ccircle cx='12.5' cy='12.5' r='2' fill='%23e4002b' stroke='white' stroke-width='1'/%3E%3C/svg%3E") 12 12,crosshair;touch-action:none;-webkit-user-select:none;user-select:none;background-image:linear-gradient(to right,#6e6859 1px,transparent 1px),linear-gradient(to bottom,#6e6859 1px,transparent 1px),linear-gradient(to right,#b5af9d 1px,transparent 1px),linear-gradient(to bottom,#b5af9d 1px,transparent 1px);background-size:var(--major-px) var(--major-px),var(--major-px) var(--major-px),var(--cell-px) var(--cell-px),var(--cell-px) var(--cell-px);background-position:0 0}#board.pan-mode{cursor:grab!important;touch-action:auto!important}#board.pan-mode:active{cursor:grabbing!important}.blk{position:absolute;display:block;overflow:hidden;background-color:#fff;z-index:2}.blk img{width:100%;height:100%;display:block;image-rendering:pixelated;object-fit:fill}.blk:hover{outline:3px solid var(--red);z-index:4;box-shadow:0 0 14px #e4002b99}.blk.pending{background:repeating-linear-gradient(45deg,#f4efd8 0,#f4efd8 6px,#e2dcc0 6px,#e2dcc0 12px);cursor:not-allowed}#sel{position:absolute;border:2px solid var(--red);background:#e4002b40;pointer-events:none;z-index:3}#sel:after{content:attr(data-tag);position:absolute;left:0;bottom:calc(100% + 6px);background:var(--red);color:#fff;font-size:.8rem;font-weight:800;padding:4px 12px;white-space:nowrap;border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink)}#sel.bad{border-style:dashed;border-color:var(--ink);background:#0a0a0a59}#sel.bad:after{background:var(--ink);color:#fff}.selection-bar{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;border:3px solid var(--ink);box-shadow:6px 6px 0 var(--red);padding:12px 20px;display:flex;align-items:center;gap:20px;z-index:90;width:min(92vw,440px);justify-content:space-between;animation:pop-up .2s ease-out}@keyframes pop-up{0%{transform:translate(-50%,40px);opacity:0}to{transform:translate(-50%);opacity:1}}.sel-bar-info{display:flex;flex-direction:column;gap:2px}.sel-bar-info strong{font-size:1.05rem;font-weight:800;color:var(--yellow)}.sel-bar-info span{font-size:.85rem;font-weight:700;color:#fff}.sel-bar-btn{background:var(--red);color:#fff;border:2px solid var(--yellow);font-weight:800;font-size:.95rem;padding:10px 18px;cursor:pointer;box-shadow:3px 3px 0 var(--yellow);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;transition:transform .1s}.sel-bar-btn:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--yellow)}.ad-popover{position:fixed;z-index:100;pointer-events:none;background:#fff;border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink);padding:12px;display:flex;gap:12px;align-items:center;max-width:320px;transform:translate(15px,15px);transition:opacity .15s ease}.popover-thumb-wrap{width:60px;height:60px;border:2px solid var(--ink);background:#eee;flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center}.popover-thumb-wrap img{width:100%;height:100%;object-fit:cover;image-rendering:pixelated}.popover-content h4{margin:0 0 4px;font-size:.95rem;font-weight:800;line-height:1.2;word-break:break-word}.pop-dim{margin:0 0 4px;font-size:.8rem;font-weight:600;color:#555}.pop-hint{font-size:.75rem;font-weight:800;color:var(--red)}dialog{border:3px solid var(--ink);border-radius:0;padding:0;width:min(94vw,480px);max-height:88vh;overflow-y:auto;background:#fff;color:var(--ink);box-shadow:10px 10px 0 var(--ink);margin:auto}dialog::backdrop{background:#ffd400d1;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}form{padding:24px;display:grid;gap:14px}h2{margin:0;font-size:1.6rem;font-weight:800;letter-spacing:-.02em}.summary{margin:0;font-weight:800;background:var(--ink);color:var(--yellow);padding:12px 14px;font-size:.92rem}label{display:grid;gap:5px;font-size:.88rem;font-weight:800}input{font:inherit;padding:10px 12px;border:3px solid var(--ink);border-radius:0;background:#fff;font-weight:500}input:focus{outline:none;box-shadow:4px 4px 0 var(--red)}input[type=file]::file-selector-button{font:inherit;font-weight:800;margin-right:12px;padding:6px 14px;border:2px solid var(--ink);background:var(--yellow);cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--red);outline-offset:3px}#preview{max-width:100%;border:2px dashed var(--ink);justify-self:start;image-rendering:pixelated}.err{color:var(--red);font-weight:700;margin:0;min-height:1.2em;font-size:.9rem}.actions{display:flex;gap:12px;justify-content:flex-end}button{font:inherit;font-weight:800;padding:12px 22px;border:3px solid var(--ink);background:var(--red);color:#fff;cursor:pointer;box-shadow:4px 4px 0 var(--ink);transition:.12s}button:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}button.ghost{background:#fff;color:var(--ink)}button:disabled{opacity:.6;cursor:wait}#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--ink);color:var(--yellow);font-weight:700;padding:14px 22px;border:3px solid var(--ink);opacity:0;pointer-events:none;transition:.2s;max-width:90vw;z-index:200;box-shadow:6px 6px 0 var(--red)}#toast.show{opacity:1;transform:translate(-50%)}footer{text-align:center;font-size:.88rem;font-weight:700;padding:28px 20px 52px;border-top:3px solid var(--ink);background:var(--yellow)}footer p{margin:4px 0}@media (max-width: 860px){.nav{padding:10px 14px}.brand img{height:32px}.brand-tag{display:none}.nav-rate-badge{font-size:.75rem;padding:4px 8px}.nav-btn{padding:8px 14px;font-size:.84rem}.board-top-banner{padding:12px 14px;box-shadow:6px 6px 0 var(--ink)}.board-head{display:grid;grid-template-columns:1fr;gap:10px}.board-info-left{justify-content:space-between;width:100%}.board-controls{width:100%;display:flex;justify-content:space-between;gap:8px}.touch-mode-group,.zoom-group{flex:1;justify-content:center}.ctrl-btn{flex:1;justify-content:center;padding:8px 6px;font-size:.8rem}.zoom-level{min-width:44px;padding:0 4px;font-size:.8rem}.legend{justify-content:center;font-size:.78rem;gap:10px}.board-instructions{font-size:.8rem}.board-wrap{overflow:auto;max-height:72vh;box-shadow:6px 6px 0 var(--ink);-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--ink) var(--yellow)}.board-wrap::-webkit-scrollbar{width:8px;height:8px}.board-wrap::-webkit-scrollbar-track{background:var(--yellow)}.board-wrap::-webkit-scrollbar-thumb{background:var(--ink);border:2px solid var(--yellow)}.board-inner{min-width:100%;min-height:100%;padding:12px}.selection-bar{bottom:12px;padding:10px 14px;width:94vw}.sel-bar-info strong{font-size:.92rem}.sel-bar-info span{font-size:.8rem}.sel-bar-btn{padding:8px 12px;font-size:.85rem}dialog{box-shadow:5px 5px 0 var(--ink);max-height:92vh}form{padding:18px 16px;gap:12px}.ad-popover{display:none}}@media (max-width: 520px){.nav-rate-badge,.nav-link{display:none}}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}