:root{color-scheme:light;--bg: #f5f7fb;--surface: #ffffff;--surface-2: #eef3f7;--ink: #172026;--muted: #66727f;--line: #d8e0e8;--accent: #0f8b8d;--accent-2: #ff5a5f;--danger: #b42318;--shadow: 0 18px 45px rgba(36, 48, 60, .14)}*{box-sizing:border-box}body{margin:0;min-height:100vh;overflow-x:hidden;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif}button,input{font:inherit}button{border:0;cursor:pointer}.site-shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr auto}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 22px;background:#ffffffeb;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{width:34px;height:34px;background:linear-gradient(90deg,var(--accent) 50%,transparent 0) 0 0 / 16px 16px,linear-gradient(90deg,var(--accent-2) 50%,#ffc857 0) 8px 8px / 16px 16px;image-rendering:pixelated;border:2px solid var(--ink);box-shadow:4px 4px #172026}h1,h2,p{margin:0}h1{font-size:20px;line-height:1.1}.brand strong{display:block;font-size:18px;line-height:1.1}.brand small{display:block;margin-top:3px;color:var(--muted);font-size:13px;font-weight:500}.site-nav{display:flex;align-items:center;justify-content:center;gap:4px;margin-left:auto;max-width:100%}.site-nav a{flex:0 0 auto;min-height:38px;display:inline-flex;align-items:center;padding:0 11px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap}.site-nav a:hover,.site-nav a[aria-current=page]{background:var(--surface-2);color:var(--ink)}.top-actions{display:flex;align-items:center;gap:8px}.home-page{width:min(1180px,100%);margin:0 auto;padding:30px 22px 44px}.home-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 12px 30px #24303c14}.eyebrow{margin-bottom:8px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}.home-hero h1{margin-bottom:10px;font-size:34px}.home-hero p:not(.eyebrow){color:#3f4a54;font-size:16px;line-height:1.7}.home-actions{display:flex;align-items:center;gap:10px}.home-actions a{text-decoration:none}.home-library{margin-top:24px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.section-head h2{font-size:22px}.home-boards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.empty-library{grid-column:1 / -1;padding:28px;border:1px dashed #bac7d2;border-radius:8px;background:#f7fafc}.empty-library h3{margin:0 0 8px;font-size:18px}.empty-library p{color:var(--muted)}.library-card{display:grid;gap:10px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.library-preview{aspect-ratio:1;width:100%;display:grid;place-items:center;padding:12px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(45deg,#dfe7ed 25%,transparent 25%) 0 0 / 18px 18px,linear-gradient(-45deg,#dfe7ed 25%,transparent 25%) 0 9px / 18px 18px,#f8fbfd}.library-preview img{width:100%;height:100%;object-fit:contain;image-rendering:pixelated}.library-card h3{overflow:hidden;margin:0;font-size:15px;text-overflow:ellipsis;white-space:nowrap}.library-card p{margin:0;color:var(--muted);font-size:13px}.library-actions{display:flex;gap:8px}.library-actions .primary-button,.library-actions .text-button{flex:1}.workspace{min-height:0;display:grid;grid-template-columns:286px 1fr}.sidebar{overflow:auto;padding:18px;background:#fbfcfe;border-right:1px solid var(--line)}.panel{padding:14px 0 18px;border-bottom:1px solid var(--line)}.panel:first-child{padding-top:0}.panel h2{margin-bottom:12px;font-size:13px;color:var(--muted);font-weight:700}.boards-list{display:grid;gap:10px}.empty-boards{padding:12px;border:1px dashed #bac7d2;border-radius:8px;background:#f7fafc;color:var(--muted);font-size:13px;line-height:1.5}.board-item{display:grid;grid-template-columns:54px 1fr;gap:10px;padding:9px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.board-item.active{border-color:var(--accent);box-shadow:inset 0 0 0 2px #0f8b8d1f}.board-preview{width:54px;height:54px;grid-row:span 2;padding:4px;border:1px solid var(--line);border-radius:7px;background:linear-gradient(45deg,#dfe7ed 25%,transparent 25%) 0 0 / 12px 12px,linear-gradient(-45deg,#dfe7ed 25%,transparent 25%) 0 6px / 12px 12px,#f8fbfd}.board-preview img{width:100%;height:100%;display:block;object-fit:contain;image-rendering:pixelated}.board-info{min-width:0;display:grid;align-content:center;gap:3px}.board-info strong{overflow:hidden;color:var(--ink);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.board-info span{color:var(--muted);font-size:12px}.board-actions{display:flex;gap:6px}.mini-button{min-height:28px;padding:0 9px;border:1px solid var(--line);border-radius:7px;background:#f7fafc;color:var(--ink);font-size:12px;font-weight:800}.mini-button:hover{border-color:#9fb0bf;background:#eef4f7}.tool-grid{display:grid;grid-template-columns:repeat(4,48px);gap:10px}.tool-button,.icon-button{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-size:21px}.tool-button:hover,.icon-button:hover,.text-button:hover{border-color:#9fb0bf;background:#f6fafc}.tool-button.active{background:#d9f0ef;border-color:var(--accent);color:#07595a;box-shadow:inset 0 0 0 2px #0f8b8d2e}.text-button,.primary-button,.file-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 15px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-weight:700}.primary-button{border-color:var(--accent);background:var(--accent);color:#fff}.wide{width:100%}.primary-button.wide{margin-bottom:10px}.danger{color:var(--danger)}.color-row,.field{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;margin-bottom:12px;color:var(--muted);font-size:14px}.field input[type=number]{width:88px;height:38px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:#fff}.field input[type=range]{width:122px;accent-color:var(--accent)}.field b{min-width:18px;color:var(--ink)}input[type=color]{width:48px;height:38px;padding:3px;border:1px solid var(--line);border-radius:8px;background:#fff}.palette{display:grid;grid-template-columns:repeat(6,30px);gap:8px}.swatch{width:30px;height:30px;border:1px solid rgba(23,32,38,.18);border-radius:7px;background:var(--swatch)}.swatch.active{outline:3px solid rgba(15,139,141,.28);border-color:var(--accent)}.file-button{width:100%;margin-bottom:10px}.file-button input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.stage{min-width:0;min-height:0;display:grid;grid-template-rows:1fr auto;padding:22px}.canvas-wrap{min-height:0;display:grid;place-items:center;overflow:auto;padding:22px;background:linear-gradient(45deg,#e7edf2 25%,transparent 25%) 0 0 / 28px 28px,linear-gradient(-45deg,#e7edf2 25%,transparent 25%) 0 14px / 28px 28px,linear-gradient(45deg,transparent 75%,#e7edf2 75%) 14px -14px / 28px 28px,linear-gradient(-45deg,transparent 75%,#e7edf2 75%) -14px 0 / 28px 28px,#f9fbfd}#pixelCanvas{width:min(78vh,calc(100vw - 370px));height:min(78vh,calc(100vw - 370px));max-width:960px;max-height:960px;min-width:320px;min-height:320px;background:#fff;border:1px solid #26323a;box-shadow:var(--shadow);image-rendering:pixelated;touch-action:none}.statusbar{min-height:42px;display:flex;align-items:center;gap:18px;color:var(--muted);font-size:13px}.site-footer{min-height:64px;display:flex;align-items:center;justify-content:center;gap:18px;padding:16px 22px;border-top:1px solid var(--line);background:#fbfcfe;color:var(--muted);font-size:13px}.site-footer a{color:var(--muted);font-weight:700;text-decoration:none}.site-footer a:hover{color:var(--accent)}.content-site{grid-template-rows:auto 1fr auto}.content-page{width:min(860px,100%);margin:0 auto;padding:30px 22px 42px}.content-card{padding:30px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 12px 30px #24303c14}.content-card .eyebrow{margin-bottom:8px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}.content-card h1{margin-bottom:18px;font-size:32px}.content-card h2{margin:26px 0 10px;font-size:18px}.content-card p,.content-card li{color:#3f4a54;font-size:16px;line-height:1.8}.content-card p+p{margin-top:12px}.content-card ul{margin:10px 0 0;padding-left:20px}.content-card a{color:var(--accent);font-weight:800}.contact-box{display:grid;gap:6px;margin:22px 0;padding:16px;border:1px solid var(--line);border-radius:8px;background:#f7fafc}.contact-box span{color:var(--muted);font-size:13px;font-weight:700}.contact-box a{overflow-wrap:anywhere;font-size:18px}.create-dialog{width:min(440px,calc(100vw - 36px));padding:0;border:0;border-radius:8px;background:transparent}.create-dialog::backdrop{background:#0a121870;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.create-panel{padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.dialog-head .eyebrow{margin-bottom:4px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}.dialog-head h2{font-size:24px}.preset-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:16px}.preset-button{min-height:38px;border:1px solid var(--line);border-radius:8px;background:#f7fafc;color:var(--ink);font-size:13px;font-weight:800}.preset-button:hover{border-color:var(--accent);background:#e6f4f3}.dialog-field{grid-template-columns:82px 1fr}.dialog-field input[type=number]{width:100%}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}@media(max-width:820px){.topbar{align-items:flex-start;flex-direction:column}.home-hero{grid-template-columns:1fr}.home-actions{width:100%;flex-wrap:wrap}.home-actions .primary-button,.home-actions .text-button{flex:1}.site-nav{width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}.workspace{grid-template-columns:1fr}.stage{order:-1}.sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;border-right:0;border-bottom:1px solid var(--line)}#pixelCanvas{width:calc(100vw - 88px);height:calc(100vw - 88px);min-width:260px;min-height:260px}.brand strong{font-size:17px}}@media(max-width:560px){.sidebar{grid-template-columns:1fr}.top-actions{width:100%;flex-wrap:wrap}.primary-button,.text-button{flex:1}.statusbar{flex-wrap:wrap;gap:8px 14px}#pixelCanvas{min-width:0;min-height:0}.content-page,.home-page{padding:20px 18px 34px}.home-hero{padding:22px}.home-hero h1{font-size:26px}.home-boards-grid{grid-template-columns:1fr}.content-card{padding:22px}.content-card h1{font-size:26px}.site-footer{flex-wrap:wrap;justify-content:flex-start}.preset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}