:root{--bg: #f4f5f7;--surface: #ffffff;--border: #d8dce3;--text: #1a1d23;--muted: #5c6570;--accent: #1f6feb;--accent-hover: #1858c5;--danger: #b42318;--ok: #067647;--tree-hover: #eef2f7;--tree-active: #dce8f8;--mono: ui-monospace, "Cascadia Code", "Segoe UI Mono", Consolas, monospace;--sans: "Segoe UI", system-ui, sans-serif;--left-width: 300px;--right-width: 320px}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:var(--sans);color:var(--text);background:var(--bg)}.app{display:flex;flex-direction:column;height:100%;min-height:100vh}.topbar{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;min-height:56px;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--border);z-index:2}.brand{display:flex;flex-direction:column;line-height:1.15;min-width:140px}.brand-name{font-weight:700;font-size:15px;letter-spacing:.02em}.brand-sub{font-size:12px;color:var(--muted)}.topbar-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.parse-mode{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);-webkit-user-select:none;user-select:none}.parse-mode-label{white-space:nowrap}.parse-mode-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6570' d='M3 4.5 6 8l3-3.5'/%3E%3C/svg%3E") no-repeat right 8px center;color:var(--text);border-radius:6px;padding:6px 28px 6px 10px;font-size:13px;cursor:pointer}.parse-mode-select:disabled{opacity:.45;cursor:not-allowed}.parse-mode-select:hover:not(:disabled){background-color:var(--tree-hover)}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:7px 12px;font-size:13px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}.btn:hover:not(:disabled){background:var(--tree-hover)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-hover)}.view-tabs{display:flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.tab-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;padding:7px 12px;font-size:13px;color:var(--muted);cursor:pointer}.tab-btn[aria-selected=true]{background:var(--tree-active);color:var(--text);font-weight:600}.status{flex:1;min-width:160px;font-size:12px;color:var(--muted);text-align:right}.status.error{color:var(--danger)}.status.ok{color:var(--ok)}.viewer-root{flex:1;min-height:0;display:grid;grid-template-columns:var(--left-width) minmax(0,1fr) var(--right-width);background:var(--bg)}.pane{display:flex;flex-direction:column;min-height:0;background:var(--surface);border-right:1px solid var(--border)}.pane:last-child{border-right:none;border-left:1px solid var(--border)}.pane-header{flex:0 0 auto;padding:10px 12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);border-bottom:1px solid var(--border);background:#fafbfc}.left-pane{overflow:auto}.preview-box{border-bottom:1px solid var(--border)}.preview-content{padding:0 12px 12px}.preview-box img{display:block;width:100%;max-height:180px;object-fit:contain;border:1px solid var(--border);border-radius:6px;background:#f8f9fb}.preview-empty{display:flex;align-items:center;justify-content:center;height:120px;border:1px dashed var(--border);border-radius:6px;color:var(--muted);font-size:13px;background:#fafbfc}.stats-box{border-bottom:1px solid var(--border);font-size:12px}.stats-content{padding:0 12px 12px}.stats-grid{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:4px 12px}.stats-grid dt{margin:0;color:var(--muted);white-space:nowrap}.stats-grid dd{margin:0;text-align:right;font-family:var(--mono);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.collapsible-header{display:flex;align-items:center;gap:6px;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;text-align:left;padding:10px 12px;cursor:pointer;color:var(--text);font-size:12px;font-weight:600}.collapsible-header:hover{background:var(--tree-hover)}.collapsible-chevron{width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:6px solid var(--muted);transition:transform .15s ease;flex:0 0 auto}.collapsible[data-expanded=true] .collapsible-chevron{transform:rotate(90deg)}.collapsible-title{flex:1;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:11px}.nav-tree{padding:4px 0 12px;font-size:13px}.tree-group{margin-bottom:2px}.tree-group .collapsible-header{padding:6px 12px}.tree-group .collapsible-body{padding:0 4px 4px}.tree-item{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;text-align:left;padding:6px 8px 6px 22px;border-radius:5px;cursor:pointer;color:var(--text);font-size:13px}.tree-item:hover{background:var(--tree-hover)}.tree-item[aria-selected=true]{background:var(--tree-active);font-weight:600}.tree-item .count{color:var(--muted);font-family:var(--mono);font-size:11px;font-weight:400}.tree-item.indent{padding-left:28px}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:#1a1d2359;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.loading-overlay[hidden]{display:none}.loading-card{display:flex;flex-direction:column;align-items:center;gap:14px;min-width:220px;padding:24px 28px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 40px #0000002e}.loading-spinner{width:36px;height:36px;border:3px solid #d8dce3;border-top-color:var(--accent);border-radius:50%;animation:spin .75s linear infinite}.loading-text{font-size:14px;color:var(--text);text-align:center;max-width:280px;word-break:break-word}.loading-sub{font-size:12px;color:var(--muted)}@keyframes spin{to{transform:rotate(360deg)}}.toast-root{position:fixed;top:16px;right:16px;z-index:1100;display:flex;flex-direction:column;align-items:flex-end;gap:8px;max-width:min(420px,calc(100vw - 32px));pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:10px;padding:12px 12px 12px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);box-shadow:0 10px 30px #00000029;opacity:0;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease}.toast-visible{opacity:1;transform:translateY(0)}.toast-error{border-color:#f0b4ae;background:#fff5f4;color:var(--danger)}.toast-ok{border-color:#a6d4b8;background:#f3faf6;color:var(--ok)}.toast-message{flex:1;font-size:13px;line-height:1.4;word-break:break-word}.toast-close{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:inherit;opacity:.7;font-size:18px;line-height:1;padding:0 2px;cursor:pointer}.toast-close:hover{opacity:1}.center-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border);background:#fafbfc}.center-toolbar input,.center-toolbar select{border:1px solid var(--border);border-radius:5px;padding:5px 8px;font-size:12px;background:#fff}.center-toolbar input{flex:1;min-width:140px}.table-wrap{flex:1;min-height:0;overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:12px}.data-table th,.data-table td{padding:7px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}.data-table th{position:sticky;top:0;background:#f3f5f8;font-weight:600;color:var(--muted);z-index:1}.data-table tbody tr{cursor:pointer}.data-table tbody tr:hover{background:var(--tree-hover)}.data-table tbody tr[aria-selected=true]{background:var(--tree-active)}.color-swatch{display:inline-block;width:12px;height:12px;border-radius:2px;border:1px solid rgba(0,0,0,.2);vertical-align:-1px;margin-right:6px}.empty-hint{padding:24px 16px;color:var(--muted);font-size:13px;line-height:1.5}.prop-groups{flex:1;min-height:0;overflow:auto;padding:8px 0}.prop-group-title{padding:8px 12px 4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.prop-row{display:grid;grid-template-columns:42% 58%;gap:4px;padding:5px 12px;font-size:12px;border-bottom:1px solid #eef0f3}.prop-name{color:var(--muted);word-break:break-word}.prop-value{font-family:var(--mono);font-size:11px;word-break:break-word}.guide-page{min-height:100%;display:flex;flex-direction:column;background:var(--bg)}.guide-root{flex:1;overflow:auto;padding:24px 16px 48px}.guide-page .guide-root{flex:1}.guide{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:28px 32px;line-height:1.55}.guide h1{margin-top:0;font-size:24px}.guide h2{margin-top:28px;font-size:16px}.guide code{font-family:var(--mono);font-size:.92em;background:#f0f2f5;padding:1px 5px;border-radius:4px}.code-block{background:#1e2430;color:#e8ecf2;border-radius:8px;padding:14px 16px;overflow:auto;font-family:var(--mono);font-size:12px;line-height:1.5}.code-block code{background:transparent;color:inherit;padding:0}@media(max-width:960px){.viewer-root{grid-template-columns:1fr;grid-template-rows:auto minmax(240px,1fr) minmax(200px,auto)}.pane{border-right:none;border-bottom:1px solid var(--border)}.pane:last-child{border-left:none}.left-pane{max-height:420px}}