:root{color-scheme:light;--canvas: #f5efe5;--surface: #fffdf9;--surface-muted: #f8f2e9;--ink: #221a12;--muted: #6d635a;--line: #e5d9c8;--line-strong: #cbbfae;--coral: #cb4f36;--coral-dark: #a83e29;--coral-tint: #fcebe6;--teal: #186f67;--teal-dark: #0f544e;--teal-tint: #e2f0ed;--amber: #9a6508;--amber-tint: #faeed3;--danger: #b42827;--danger-tint: #f9e6e4;--success: #257448;--header-ink: #241c14;--shadow-sm: 0 1px 2px rgba(52, 37, 23, .08);--shadow-md: 0 8px 24px rgba(52, 37, 23, .1);--radius: 8px;--radius-sm: 6px;--nav-height: 64px;--font: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;background:var(--canvas);color:var(--ink);font-family:var(--font);letter-spacing:0}button,input,select,textarea{font:inherit;letter-spacing:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 18px;border:1px solid transparent;border-radius:var(--radius-sm);background:var(--coral);color:#fff;font-weight:700;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}button:hover{background:var(--coral-dark)}button:active{transform:scale(.99)}button:disabled{border-color:var(--line);background:#eae4d9;color:#918779;cursor:not-allowed;transform:none}:is(a,button,input,select,textarea,[tabindex]):focus-visible{outline:3px solid rgba(24,111,103,.38);outline-offset:2px}input,select,textarea{width:100%;min-height:48px;padding:12px 13px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}input::placeholder,textarea::placeholder{color:#9b9085}input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #186f671f;outline:none}textarea{resize:vertical}.secondary{border-color:var(--line-strong);background:var(--surface);color:var(--ink)}.secondary:hover{border-color:var(--teal);background:#fff;color:var(--teal-dark)}.secondary.selected{border-color:var(--teal);background:var(--teal-tint);color:var(--teal-dark)}.ghost{border-color:transparent;background:transparent;color:var(--teal-dark)}.ghost:hover{background:var(--teal-tint)}.danger{border-color:var(--danger);background:var(--danger)}.danger:hover{background:#952120}.compact{min-height:40px;padding:8px 12px;font-size:14px}.icon-button{width:44px;min-width:44px;padding:0}.app-shell{min-height:100vh;padding-bottom:calc(68px + env(safe-area-inset-bottom))}.app-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;min-height:var(--nav-height);padding:10px min(4vw,32px);background:var(--header-ink);color:#fff;box-shadow:var(--shadow-sm)}.brand{display:inline-flex;align-items:center;gap:9px;min-height:44px;color:#fff;font-size:19px;font-weight:800;text-decoration:none}.brand em{color:#f08a70;font-style:normal}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);background:#3a2f23;color:#f08a70}.app-nav{display:flex;gap:4px;margin-left:22px}.app-nav a{display:inline-flex;align-items:center;min-height:40px;padding:8px 12px;border-radius:var(--radius-sm);color:#ffffffbd;font-weight:650;text-decoration:none;white-space:nowrap;transition:background-color .18s ease,color .18s ease}.app-nav a:hover{background:#ffffff14;color:#fff}.app-nav a.router-link-active{background:#f08a7029;color:#f8c4b4}.user-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.user-chip{display:inline-flex;align-items:center;gap:7px;max-width:170px;overflow:hidden;min-height:40px;padding:8px 11px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);color:#ffffffdb;font-size:14px;white-space:nowrap;text-overflow:ellipsis}.header-login{display:inline-flex;align-items:center;min-height:40px;padding:8px 15px;border-radius:var(--radius-sm);background:var(--coral);color:#fff;font-weight:700;text-decoration:none}.header-login:hover{background:var(--coral-dark)}.app-header .icon-button{border-color:#fff3;background:transparent;color:#fff}.app-header .icon-button:hover{background:#ffffff1a;color:#fff}.tab-bar{position:fixed;right:0;bottom:0;left:0;z-index:30;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;height:calc(68px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--line);background:#fffdf9f7;box-shadow:0 -4px 18px #34251712}.tab-bar a{display:grid;place-items:center;gap:3px;padding-top:7px;color:var(--muted);font-size:12px;font-weight:700;text-decoration:none}.tab-bar a.router-link-active{color:var(--coral)}.tab-bar a:before{content:"";width:22px;height:3px;border-radius:999px;background:transparent}.tab-bar a.router-link-active:before{background:var(--coral)}.page{width:min(1400px,100%);margin:0 auto;padding:24px min(4vw,32px) 56px}.page-title{margin:4px 0 10px;font-size:28px;line-height:1.2;font-weight:800}.lead{max-width:680px;margin:0;color:var(--muted);font-size:15px;line-height:1.65}.eyebrow{display:inline-flex;align-items:center;min-height:28px;padding:4px 9px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--teal-dark);font-size:12px;font-weight:750}.panel{padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}.panel+.panel{margin-top:14px}.panel-title{display:flex;align-items:center;gap:9px;margin:0 0 14px;font-size:17px;line-height:1.3}.step-chip{display:inline-grid;place-items:center;flex:0 0 auto;width:28px;height:28px;border-radius:var(--radius-sm);background:var(--ink);color:#fff;font-size:13px}.panel-note{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.55}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.sidebar{grid-template-columns:minmax(310px,390px) minmax(0,1fr);align-items:start}.project-grid{display:grid;grid-template-columns:minmax(320px,400px) minmax(0,1fr);gap:14px;align-items:start}.field{margin-bottom:13px}.field label{display:block;margin-bottom:7px;font-weight:700}.field label.row input{width:22px;min-height:auto;margin:0;accent-color:var(--teal)}.hint{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.5}.row{display:flex;align-items:center;gap:10px}.wrap{flex-wrap:wrap}.muted{color:var(--muted)}.small{font-size:13px}.error{min-height:20px;margin:8px 0 0;color:var(--danger);font-weight:700}.notice{display:flex;align-items:flex-start;gap:8px;min-height:40px;margin:10px 0 0;padding:10px 12px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--radius-sm);background:var(--teal-tint);color:var(--teal-dark);font-size:14px;line-height:1.45}.notice.warning{border-color:#ecd9b4;border-left-color:var(--amber);background:var(--amber-tint);color:var(--amber)}.notice.error{border-color:#eec7c5;border-left-color:var(--danger);background:var(--danger-tint);color:var(--danger)}.notice:empty{display:none}.upload-zone{display:grid;place-items:center;gap:8px;min-height:170px;padding:20px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:var(--surface-muted);color:var(--muted);text-align:center;cursor:pointer;transition:border-color .18s ease,background-color .18s ease}.upload-zone:hover{border-color:var(--teal);background:#fff;color:var(--teal-dark)}.upload-zone strong{color:var(--ink);font-size:16px}.file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.source-preview{width:100%;max-height:320px;object-fit:contain;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}.preview-frame{display:grid;min-height:clamp(320px,62vh,660px);place-items:center;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.preview-frame img{display:block;width:100%;max-height:660px;object-fit:contain}.empty-state{display:grid;justify-items:center;gap:9px;max-width:390px;padding:34px 22px;color:var(--muted);text-align:center;line-height:1.6}.empty-state strong{color:var(--ink);font-size:17px}.button-row{display:flex;gap:8px;flex-wrap:wrap}.mode-switch{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:4px;margin-bottom:12px;padding:4px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-muted)}.mode-switch button{min-height:40px;padding:8px 10px;border-radius:4px;background:transparent;color:var(--muted);font-size:14px}.mode-switch button:hover{background:#fff;color:var(--ink)}.mode-switch button.active{background:var(--ink);color:#fff}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.chip{min-height:40px;padding:8px 11px;border-color:var(--line-strong);background:var(--surface);color:var(--ink);font-size:14px}.chip:hover{background:var(--teal-tint)}.chip.selected{border-color:var(--teal);background:var(--teal-tint);color:var(--teal-dark)}.pill{display:inline-flex;align-items:center;min-height:28px;padding:4px 9px;border-radius:999px;background:var(--teal-tint);color:var(--teal-dark);font-size:12px;font-weight:750}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,480px);gap:26px;align-items:center;margin-bottom:24px}.hero h1{margin:10px 0 12px;font-size:38px;line-height:1.12;font-weight:850}.hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.7}.hero-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px}.hero-media{position:relative;overflow:hidden;min-height:290px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-md)}.hero-grid{position:absolute;inset:18px;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:6px}.hero-grid span{aspect-ratio:1;min-height:0;border-radius:50%;box-shadow:inset 0 2px 4px #ffffff52}.hero-caption{position:absolute;right:14px;bottom:14px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fffdf9f2;color:var(--ink);font-size:12px;font-weight:750}.workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:22px}.workflow div{padding:14px;border-top:3px solid var(--coral);border-radius:0 0 var(--radius-sm) var(--radius-sm);background:var(--surface);box-shadow:var(--shadow-sm)}.workflow strong{display:block;margin-bottom:5px}.workflow span{color:var(--muted);font-size:13px;line-height:1.5}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{width:100%;max-width:420px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);color:inherit;text-decoration:none;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}a.card:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--shadow-md)}.card img{display:block;width:100%;aspect-ratio:1;object-fit:cover;background:var(--surface-muted)}.card-body{padding:13px}.card-title{display:block;overflow:hidden;margin-bottom:5px;font-weight:750;white-space:nowrap;text-overflow:ellipsis}.card-meta{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.card-caption{display:-webkit-box;min-height:42px;margin:8px 0 0;overflow:hidden;color:var(--ink);font-size:14px;line-height:1.5;-webkit-box-orient:vertical;-webkit-line-clamp:2}.card-actions{display:flex;align-items:center;gap:8px;margin-top:12px}.card-actions button{flex:1}.card-actions button.liked{border-color:var(--coral);background:var(--coral-tint);color:var(--coral-dark)}.card-actions button.liked:hover{background:#f8ddd4}.action-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0}.stat-grid div{padding:11px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}.stat-grid strong{display:block;margin-bottom:3px;font-size:20px;line-height:1.2}.stat-grid span{color:var(--muted);font-size:12px;font-weight:700}.progress{height:8px;overflow:hidden;margin:12px 0 8px;border-radius:999px;background:#e6ddcf}.progress div{width:0;height:100%;border-radius:inherit;background:var(--teal)}.block-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.block-grid button{width:100%}.color-list{max-height:490px;overflow:auto;margin:0;padding:0;list-style:none}.stat-item{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:9px;align-items:center;padding:8px;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:background-color .15s ease,border-color .15s ease}.stat-item:hover{border-color:var(--line);background:var(--surface-muted)}.stat-item.active{border-color:var(--teal);background:var(--teal-tint)}.stat-item .code{display:block;overflow:hidden;font-weight:750;white-space:nowrap;text-overflow:ellipsis}.stat-item .meta{display:block;margin-top:2px;color:var(--muted);font-size:12px}.stat-item .count{color:var(--ink);font-size:15px;font-weight:750}.swatch{flex:0 0 auto;width:32px;height:32px;border:2px solid rgba(34,26,18,.14);border-radius:50%;box-shadow:inset 0 2px 4px #fff6}.replacement-preview{display:flex;align-items:center;gap:8px;margin-bottom:10px;padding:10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;font-size:13px}.board-column .panel{padding:14px}.board-wrap{display:grid;place-items:center;overflow:auto;max-height:min(72vh,820px);border:1px solid var(--line);border-radius:var(--radius);background:#ece5d8}.board-canvas{display:block;max-width:none;touch-action:pan-x pan-y;box-shadow:0 0 0 1px #fff}.canvas-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.canvas-toolbar .hint{margin:0}.zoom-controls{display:inline-flex;align-items:center;gap:6px;margin-left:auto}.zoom-controls button{width:40px;min-width:40px;min-height:40px;padding:0}.zoom-controls span{min-width:66px;color:var(--muted);font-size:13px;font-weight:700;text-align:center}.toast{position:fixed;left:50%;bottom:calc(82px + env(safe-area-inset-bottom));z-index:100;max-width:min(92vw,420px);padding:12px 16px;border-radius:var(--radius);background:var(--ink);color:#fff;font-size:14px;text-align:center;transform:translate(-50%)}.dialog{width:min(92vw,480px);padding:0;border:0;border-radius:var(--radius);background:transparent;color:var(--ink);box-shadow:var(--shadow-md)}.dialog::backdrop{background:#221a126b}.dialog-card{padding:20px;background:var(--surface)}.dialog-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.dialog-header h2{margin:4px 0 0;font-size:22px}.dialog-description{margin:16px 0;color:var(--muted);line-height:1.6}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.auth-layout{display:grid;grid-template-columns:minmax(0,430px) minmax(0,1fr);gap:14px;align-items:start}.auth-list{margin:0;padding-left:20px;color:var(--muted);line-height:2}@media(max-width:920px){.app-nav{display:none}.grid.sidebar,.grid.two,.project-grid,.auth-layout{grid-template-columns:1fr}.project-grid>.board-column{order:-1}.hero{grid-template-columns:1fr;gap:18px}.hero h1{font-size:31px}.hero-media{min-height:230px}.hero-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.workflow,.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){:root{--nav-height: 60px}.page{padding-top:18px}.page-title{font-size:25px}.hero h1{font-size:28px}.brand span:last-child{font-size:18px}.user-chip{display:none}.panel{padding:15px}.button-row button{flex:1 1 130px}.mode-switch{grid-auto-flow:row;grid-template-columns:repeat(2,minmax(0,1fr))}.mode-switch button{width:100%}.card-actions button{min-width:0}.zoom-controls{margin-left:0;width:100%;justify-content:space-between}.dialog-actions{flex-direction:column-reverse}.dialog-actions button{width:100%}}@media(min-width:921px){.tab-bar{display:none}.app-shell{padding-bottom:0}.grid.sidebar>.panel{position:sticky;top:calc(var(--nav-height) + 16px)}.page-title{font-size:32px}.lead{font-size:16px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{.app-header,.tab-bar,.no-print{display:none!important}body{background:#fff}.panel{box-shadow:none;break-inside:avoid}}