:root{--bg: #f3f4f9;--surface: #ffffff;--stage: #eceef6;--ink: #1f2433;--muted: #667085;--line: #e4e7ef;--brand: #4453c9;--brand-hover: #3a47b0;--brand-soft: #eef0fc;--ring: rgba(68, 83, 201, .35);--ok: #0f8a5f;--danger: #c2410c;--syn-link: #0e7c86;--syn-code: #b45309;--syn-quote: #6d5bd0;--syn-mark: #98a2b3;--thumb: #c9cedb;--thumb-hover: #aeb5c6;--font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;--mono: Consolas, "Courier New", monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:22px;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer}:focus{outline:none}:focus-visible{outline:none;box-shadow:0 0 0 3px var(--ring)}.app{height:100vh;display:grid;grid-template-rows:56px minmax(0,1fr) 36px}.skip{position:absolute;left:12px;top:-48px;z-index:3;padding:8px 12px;border-radius:8px;background:var(--surface);color:var(--brand)}.skip:focus-visible{top:10px}.toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;padding:0 20px;background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:650;letter-spacing:.02em;white-space:nowrap}.brand-mark{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;box-shadow:0 1px 2px #4453c94d}.picker{position:relative}.picker-trigger{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 10px 0 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:13px;white-space:nowrap;transition:background .15s,border-color .15s}.picker-trigger:hover,.picker-trigger[aria-expanded=true]{background:var(--bg);border-color:#d6dae5}.picker-label{color:var(--muted)}.picker-name{max-width:10em;overflow:hidden;text-overflow:ellipsis;color:var(--ink);font-weight:600}.chevron{color:var(--muted);transition:transform .15s}.chevron.open{transform:rotate(180deg)}.picker-panel{position:absolute;top:calc(100% + 8px);left:50%;z-index:10;width:min(560px,calc(100vw - 32px));max-height:calc(100vh - 120px);overflow-y:auto;transform:translate(-50%);padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px #1018281f}.picker-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}.picker-title{font-size:14px;font-weight:600}.picker-count{font-size:12px;color:var(--muted)}.picker-search{display:flex;align-items:center;gap:8px;height:34px;margin-bottom:12px;padding:0 10px;border:1px solid var(--line);border-radius:8px;color:var(--muted)}.picker-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}.picker-search input{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:13px;color:var(--ink)}.picker-search input:focus-visible{box-shadow:none}.picker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.picker-empty{grid-column:1 / -1;margin:24px 0;text-align:center;color:var(--muted);font-size:13px}.style-card{display:flex;flex-direction:column;padding:0;overflow:hidden;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:10px;transition:border-color .15s,box-shadow .15s}.style-card:hover{border-color:#c3c9d8;box-shadow:0 2px 8px #1018280f}.style-card[aria-selected=true]{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.style-card:focus-visible{box-shadow:0 0 0 3px var(--ring)}.style-card[aria-selected=true]:focus-visible{box-shadow:0 0 0 1px var(--brand),0 0 0 4px var(--ring)}.style-card{cursor:pointer;min-width:0}.thumb{position:relative;height:96px;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);pointer-events:none}.thumb-page{position:absolute;top:0;left:0;width:400px;padding:0 16px;transform:scale(.42);transform-origin:0 0}.style-card-body{display:flex;flex-direction:column;gap:2px;min-width:0;padding:10px 12px 12px}.style-card-name{display:flex;align-items:center;justify-content:space-between;gap:6px;min-width:0;color:var(--ink);font-size:13px;font-weight:600}.style-card-name span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.style-card-name svg{flex-shrink:0}.style-card[aria-selected=true] .style-card-name{color:var(--brand)}.picker-errors{margin-top:12px;padding:10px 12px;border-radius:8px;background:#fff4ed;color:var(--danger);font-size:12px;line-height:18px}.picker-errors p{margin:0 0 4px;font-weight:600}.picker-errors ul{margin:0;padding-left:18px}.style-card-desc{margin:0;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;color:var(--muted);font-size:12px;line-height:18px}.swatch{width:12px;height:12px;flex-shrink:0;border-radius:50%;box-shadow:inset 0 0 0 1px #10182824}.actions{justify-self:end}.copy{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;border:0;border-radius:8px;background:var(--brand);color:#fff;font-size:13px;font-weight:600;white-space:nowrap;box-shadow:0 1px 2px #4453c940;transition:background .15s}.copy:hover{background:var(--brand-hover)}.copy:disabled,.copy:disabled:hover{background:var(--brand);opacity:.55;cursor:default}.copy.done,.copy.done:hover{background:var(--ok)}.workspace{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.pane{min-width:0;min-height:0;display:flex;flex-direction:column}.editor-pane{background:var(--surface);border-right:1px solid var(--line)}.preview-pane{background:var(--stage)}.pane-head{height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px;white-space:nowrap}.editor-pane .pane-head{background:var(--surface)}.preview-pane .pane-head{background:#ffffff8c}.pane-title{color:var(--ink);font-size:13px;font-weight:600}.pane-meta{display:inline-flex;align-items:center;gap:12px;overflow:hidden}.preview-style{display:block;min-width:0;text-overflow:ellipsis}.saved{display:inline-flex;align-items:center;gap:6px}.saved:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}.scroll,.editor .cm-scroller{scrollbar-width:thin;scrollbar-color:var(--thumb) transparent}.scroll::-webkit-scrollbar,.editor .cm-scroller::-webkit-scrollbar{width:10px;height:10px}.scroll::-webkit-scrollbar-thumb,.editor .cm-scroller::-webkit-scrollbar-thumb{background:var(--thumb);border:2px solid transparent;border-radius:8px;background-clip:padding-box}.scroll::-webkit-scrollbar-thumb:hover,.editor .cm-scroller::-webkit-scrollbar-thumb:hover{background:var(--thumb-hover);background-clip:padding-box}.editor{position:relative;flex:1;min-height:0}.editor .cm-editor{position:absolute!important;inset:0;background:transparent;color:var(--ink)}.editor .cm-editor.cm-focused{outline:none}.editor .cm-scroller{overflow-x:hidden!important;overflow-y:scroll!important;font-family:var(--font);font-size:15px;line-height:1.8}.editor .cm-content{padding:24px 28px 64px;caret-color:var(--brand)}.editor .cm-line{padding:0}.editor .cm-cursor{border-left:2px solid var(--brand)}.editor .cm-selectionBackground,.editor .cm-focused>.cm-scroller>.cm-selectionLayer .cm-selectionBackground,.editor .cm-content ::selection{background:#dce0fa!important}.editor .cm-placeholder{color:var(--syn-mark)}.preview-body{flex:1;min-height:0;overflow-x:hidden;overflow-y:scroll;padding:24px 20px 40px}.card{width:405px;max-width:100%;margin:0 auto;padding:28px 20px;background:#fff;border-radius:12px;box-shadow:0 1px 2px #1018280a,0 8px 24px #1018280f}.preview-body .copy-range{outline:2px solid var(--brand);outline-offset:2px}.empty{margin:80px 0;text-align:center;color:var(--muted)}.footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;background:var(--surface);border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:18px;white-space:nowrap;overflow:hidden}.footer p{margin:0}.foot-note{display:flex;align-items:center;gap:12px;min-width:0;overflow:hidden}.footer ol{display:flex;gap:6px;margin:0;padding:0;list-style:none}.footer li{padding:0 8px;border-radius:6px;background:var(--bg);color:var(--ink)}.status-error{color:var(--danger)}@media(max-width:760px){.toolbar{grid-template-columns:auto 1fr auto;padding:0 12px;gap:10px}.picker{justify-self:center}.picker-label{display:none}.pane-head,.footer{padding:0 12px}.editor .cm-content{padding:20px 16px 48px}.preview-body{padding:16px 12px 32px}.card{padding:20px 14px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}