:root{--navy:#0b2a5b;--blue:#1d5fb4;--canvas-bg:#2b2b2b;--bg:#f4f6fa;--fg:#14213d;--panel:#fff;--border:#d6dce8;--note-bg:#fff1a4d9;--toolbar-h:56px;--safe-b:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root{--bg:#0f1420;--fg:#e8edf7;--panel:#1a2130;--border:#2b3447}}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--fg);overscroll-behavior:none;margin:0;font-family:-apple-system,system-ui,Segoe UI,sans-serif}body{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#app{height:100%}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}.boards{max-width:1200px;margin:0 auto;padding:16px}.boards-header{padding-top:env(safe-area-inset-top,0px);flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.logo{height:40px}.spacer{flex:1}.storage{opacity:.7;font-size:13px}.primary{background:var(--blue);color:#fff;border-radius:10px;padding:10px 16px;font-weight:600}.secondary{border:1px solid var(--border);border-radius:10px;padding:10px 16px}.cards{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;display:grid}.card{background:var(--panel);border:1px solid var(--border);text-align:left;border-radius:14px;flex-direction:column;gap:6px;padding:10px;display:flex}.thumb{aspect-ratio:4/3;background:var(--canvas-bg);border-radius:8px;place-items:center;display:grid;overflow:hidden}.thumb img{object-fit:contain;width:100%;height:100%}.card-name{font-weight:600}.card-date{opacity:.6;font-size:12px}.empty{opacity:.6}.hint{left:16px;right:16px;bottom:calc(16px + var(--safe-b));background:var(--navy);color:#fff;z-index:50;border-radius:12px;align-items:center;gap:12px;padding:12px 16px;font-size:14px;display:flex;position:fixed}.hint button{color:#fff;font-weight:700;text-decoration:underline}.toast{bottom:calc(80px + var(--safe-b));color:#fff;z-index:100;background:#111;border-radius:10px;max-width:90vw;padding:10px 16px;font-size:14px;position:fixed;left:50%;transform:translate(-50%)}.update-bar{bottom:calc(16px + var(--safe-b));background:var(--navy);color:#fff;z-index:60;border-radius:12px;padding:12px;position:fixed;left:16px;right:16px}.dlg{background:var(--panel);color:var(--fg);border:0;border-radius:14px;min-width:280px;padding:20px}.dlg::backdrop{background:#0006}.dlg input{width:100%;font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:8px;margin:8px 0;padding:8px}.dlg .row{align-items:center;gap:8px;margin:8px 0;display:flex}.dlg .row input[type=checkbox]{width:auto;margin:0}.dlg-actions{justify-content:flex-end;gap:8px;margin-top:12px;display:flex}.dlg-actions button{border-radius:8px;padding:8px 14px}.ctx{background:var(--panel);color:var(--fg);border:1px solid var(--border);z-index:200;border-radius:12px;flex-direction:column;min-width:180px;padding:6px;display:flex;position:fixed;box-shadow:0 8px 24px #00000040}.ctx button{text-align:left;border-radius:8px;padding:12px 14px;font-size:15px}.ctx button:active{background:var(--border)}.ctx button.danger{color:#c0392b}.ctx button:disabled{opacity:.4}.board{flex-direction:column;display:flex;position:fixed;inset:0}.canvas-host{background:var(--canvas-bg);touch-action:none;flex:1;min-height:0;position:relative;overflow:hidden}.canvas-host.grayscale{filter:grayscale()}.toolbar{height:calc(var(--toolbar-h) + var(--safe-b));padding-bottom:var(--safe-b);background:var(--panel);border-top:1px solid var(--border);flex-shrink:0;align-items:center;gap:4px;padding-left:8px;padding-right:8px;display:flex;overflow-x:auto}.tb{border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-width:56px;height:48px;padding:0 6px;font-size:11px;display:flex}.tb:disabled{opacity:.35}.tb.active{background:var(--blue);color:#fff}.tb-label{white-space:nowrap}.cropbar{top:calc(12px + env(safe-area-inset-top,0px));background:var(--panel);border:1px solid var(--border);z-index:20;border-radius:12px;gap:8px;padding:6px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.cropbar button{border-radius:8px;padding:8px 14px}.eyedropper-overlay{z-index:10;cursor:crosshair;touch-action:none;position:absolute;inset:0}.lens{z-index:300;pointer-events:none;flex-direction:column;align-items:center;gap:4px;position:fixed}.lens canvas{border:3px solid #fff;border-radius:60px;width:120px;height:120px;box-shadow:0 4px 16px #0006}.lens-hex{color:#fff;text-shadow:0 0 3px #000;border-radius:6px;padding:2px 8px;font:600 13px monospace}.palette{align-items:center;gap:6px;padding:0 8px;display:flex}.swatch{border:2px solid var(--border);border-radius:14px;flex-shrink:0;width:28px;height:28px}.popover{z-index:200;background:var(--panel);border:1px solid var(--border);border-radius:12px;align-items:center;gap:10px;padding:12px;display:flex;position:fixed}.popover-title{font-weight:600}.popover input[type=range]{width:180px}.popover-value{min-width:4ch}.note-editor{z-index:15;color:#0b2a5b;border:2px solid var(--blue);resize:none;background:#fff1a4f2;border-radius:8px;outline:none;padding:10px;font-family:system-ui,sans-serif;line-height:1.2;position:absolute}.note-done{z-index:16;background:var(--blue);color:#fff;border-radius:8px;padding:6px 14px;font-weight:600;position:absolute}@media (width<=1023px){.tb-label{display:none}.tb{min-width:48px;height:44px}.tb-secondary{display:none}}@media (width>=1024px){.tb[data-id=more]{display:none}}@media (width<=360px){.board{flex-direction:row}.toolbar{border-top:0;border-left:1px solid var(--border);width:56px;height:auto;padding:8px 4px calc(8px + var(--safe-b));flex-direction:column;order:2;overflow:hidden auto}.palette{flex-direction:column;padding:8px 0}.cropbar{top:auto;bottom:12px}}@media (width<=1023px){.tb[data-id=more]{background:var(--panel);flex-shrink:0;margin-left:auto;position:sticky;right:0}}@media (width<=360px){.tb[data-id=more]{margin-top:auto;margin-left:0;top:auto;bottom:0;right:auto}}