:root{--mint-50: #effaf6;--mint-100: #d7f2e9;--mint-300: #7fe1c9;--mint-500: #28c5a5;--mint-600: #17a98d;--teal-700: #0f7b6a;--teal-900: #172f2a;--lime-100: #dff2cf;--lime-200: #cceba9;--warning-100: #fff1bd;--danger: #b3261e;--canvas: #dfecea;--surface: #f7fbf9;--panel: rgba(255, 255, 255, .9);--line: #dbe8e3;--muted: #728681;--text: #213b36;--shadow-panel: 0 10px 28px rgba(28, 63, 55, .07);--shadow-panel-hover: 0 22px 52px rgba(28, 63, 55, .16);--shadow-page: 0 24px 60px rgba(23, 47, 42, .18);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;color:var(--text);background:var(--canvas);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 8% 0%,rgba(223,242,207,.92),transparent 28%),radial-gradient(circle at 92% 6%,rgba(127,225,201,.54),transparent 30%),linear-gradient(rgba(23,123,106,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,123,106,.055) 1px,transparent 1px),var(--canvas);background-size:auto,auto,34px 34px,34px 34px,auto}button,input,textarea{font:inherit}::selection{color:#fff;background:var(--mint-600)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:18px 22px;border-bottom:1px solid rgba(219,232,227,.86);background:#f7fbf9db;box-shadow:0 1px #fffc inset;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.product-heading{min-width:0}.eyebrow,.panel-kicker{display:inline-flex;width:fit-content;align-items:center;border:1px solid rgba(40,197,165,.28);border-radius:999px;padding:4px 9px;background:var(--mint-50);color:var(--teal-700);font-size:11px;font-weight:800;line-height:1;text-transform:uppercase;letter-spacing:0}.topbar h1{margin:8px 0 0;color:var(--teal-900);font-size:28px;line-height:1.05}.topbar p{max-width:760px;margin:6px 0 0;color:var(--muted);line-height:1.45}.status-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.status-badges span{display:inline-flex;min-height:26px;align-items:center;border-radius:999px;padding:5px 10px;background:#ffffffb8;color:var(--teal-700);font-size:12px;font-weight:700;box-shadow:0 0 0 1px var(--line) inset}.topbar-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.button{min-height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 13px;background:#ffffffe6;color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:800;line-height:1.1;transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease}.button:hover:not(:disabled){border-color:var(--mint-300);color:var(--teal-700);transform:translateY(-1px)}.button input{display:none}.button:disabled{cursor:not-allowed;opacity:.52}.button.disabled-like{cursor:not-allowed;opacity:.52}.button.primary{border-color:var(--mint-500);background:var(--mint-500);color:#fff;box-shadow:0 8px 20px #28c5a538}.button.primary:hover:not(:disabled),.button.primary.active{border-color:var(--mint-600);background:var(--mint-600);color:#fff}.button.ghost{border-color:var(--mint-100);background:var(--mint-50);color:var(--teal-700)}.button.danger{border-color:#b3261e3d;background:#fff7f6;color:var(--danger)}.button.wide{width:100%}.workspace{flex:1;display:grid;grid-template-columns:minmax(176px,240px) minmax(0,1fr) minmax(240px,320px);min-height:0;padding:14px;gap:14px}.pages-panel,.settings-panel{min-height:0;padding:16px;overflow:auto;border:1px solid var(--line);border-radius:var(--radius-md);background:radial-gradient(circle at 24% 0%,rgba(127,225,201,.12),transparent 38%),var(--panel);box-shadow:var(--shadow-panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.settings-panel{display:flex;flex-direction:column;gap:14px}.panel-header{display:grid;gap:8px;margin-bottom:14px}.pages-panel h2,.settings-panel h2{margin:0;color:var(--teal-900);font-size:17px;line-height:1.15}.settings-panel label{display:flex;flex-direction:column;gap:7px;color:var(--text);font-size:14px;font-weight:700}.settings-panel input,.settings-panel textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 10px;background:var(--surface);color:var(--text);outline:none;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}.settings-panel input:focus,.settings-panel textarea:focus{border-color:var(--mint-500);background:#fff;box-shadow:0 0 0 4px #7fe1c938}.settings-panel input:disabled,.settings-panel textarea:disabled{color:var(--muted);background:#f7fbf994}.settings-panel textarea{min-height:104px;resize:vertical}.checkbox-row{flex-direction:row!important;align-items:center;width:fit-content}.checkbox-row input{width:auto;accent-color:var(--mint-600)}.viewer-panel{min-width:0;overflow:auto;border:1px solid rgba(219,232,227,.72);border-radius:var(--radius-md);padding:24px;background:linear-gradient(rgba(23,123,106,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(23,123,106,.05) 1px,transparent 1px),#f7fbf97a;background-size:28px 28px;box-shadow:var(--shadow-panel)}.error-banner{margin:12px 14px 0;border:1px solid rgba(179,38,30,.2);border-radius:var(--radius-sm);padding:10px 14px;background:#fff7f6;color:var(--danger);font-weight:700}.empty-state{min-height:420px;border:1px dashed rgba(15,123,106,.34);border-radius:var(--radius-md);display:grid;place-content:center;gap:10px;padding:32px;text-align:center;color:var(--muted);background:radial-gradient(circle at 50% 24%,rgba(127,225,201,.22),transparent 36%),#ffffffbd}.empty-state svg{justify-self:center;color:var(--mint-600)}.empty-state strong{color:var(--teal-900);font-size:18px}.muted{color:var(--muted);line-height:1.45}.page-list{display:flex;flex-direction:column;gap:12px}.page-thumb{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px;background:#ffffffc7;color:var(--text);cursor:pointer;text-align:left;transition:background .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease}.page-thumb:hover{border-color:var(--mint-300);transform:translateY(-1px)}.page-thumb.active{border-color:var(--mint-500);background:var(--mint-50);box-shadow:0 0 0 3px #7fe1c933}.page-thumb canvas{display:block;max-width:100%;height:auto!important;margin:0 auto 8px;border:1px solid var(--line);border-radius:5px;background:#fff}.page-thumb span{display:block;color:var(--teal-700);font-size:13px;font-weight:800}.page-stage{min-width:min-content;display:flex;justify-content:center}.page-layer{position:relative;width:fit-content;height:fit-content;border-radius:4px;background:#fff;box-shadow:var(--shadow-page)}.page-layer.add-mode{cursor:crosshair;outline:4px solid rgba(127,225,201,.24)}.pdf-canvas{display:block;border-radius:4px}.native-page-layer{width:794px;height:1123px;overflow:hidden}.native-pdf-frame{position:relative;z-index:0;display:block;width:100%;height:100%;border:0;border-radius:4px;pointer-events:none}.text-block{position:absolute;z-index:2;min-width:28px;max-width:min(520px,70%);border:1px dashed transparent;border-radius:6px;padding:2px 4px;background:#ffffff9e;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.2;cursor:move;touch-action:none;-webkit-user-select:none;user-select:none}.text-block:hover,.text-block.selected{border-color:var(--mint-500);background:#effaf6d1;box-shadow:0 0 0 3px #7fe1c933}.text-block-editor{display:block;min-width:120px;width:100%;min-height:1.45em;border:0;padding:0;background:transparent;color:inherit;font:inherit;font-weight:inherit;line-height:inherit;outline:none;resize:none;overflow:hidden;white-space:pre-wrap}.text-block:has(.text-block-editor){cursor:text;-webkit-user-select:text;user-select:text}.signature-block{position:absolute;z-index:3;border:1px dashed transparent;border-radius:6px;padding:2px;cursor:move;touch-action:none;-webkit-user-select:none;user-select:none}.signature-block:hover,.signature-block.selected{border-color:var(--mint-500);background:#effaf657;box-shadow:0 0 0 3px #7fe1c933}.signature-block img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}.file-summary{display:grid;gap:4px;border-top:1px solid var(--line);padding-top:12px;color:var(--muted);font-size:13px;line-height:1.35}.file-summary strong{overflow-wrap:anywhere;color:var(--teal-900)}@media(max-width:980px){.topbar{grid-template-columns:1fr;align-items:stretch}.topbar-actions{justify-content:flex-start}.workspace{grid-template-columns:1fr}.pages-panel,.settings-panel,.viewer-panel{border-radius:var(--radius-sm)}}@media(max-width:560px){.topbar{padding:16px}.topbar h1{font-size:24px}.topbar-actions,.button{width:100%}.workspace{padding:10px;gap:10px}.viewer-panel{padding:14px}}