:root{--bg:#f4f5f9;--surface:#fff;--surface-2:#eef0f6;--surface-3:#e3e6ef;--fg:#171a21;--fg-dim:#5a6072;--fg-faint:#8a90a2;--line:#e2e5ee;--accent:#5b5bf0;--accent-ink:#fff;--accent-soft:#ebebfe;--danger:#e2483d;--ok:#17a673;--shadow:0 2px 10px #14162814, 0 1px 3px #1416280f;--shadow-lg:0 12px 40px #1416282e;--radius:16px;--radius-sm:11px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0e1016;--surface:#191c25;--surface-2:#222634;--surface-3:#2c3142;--fg:#eef0f6;--fg-dim:#a2a9bd;--fg-faint:#6b7286;--line:#2a2f3e;--accent:#7b7bff;--accent-ink:#0e1016;--accent-soft:#23243a;--shadow:0 2px 10px #0000004d, 0 1px 3px #00000040;--shadow-lg:0 16px 48px #00000080;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0e1016;--surface:#191c25;--surface-2:#222634;--surface-3:#2c3142;--fg:#eef0f6;--fg-dim:#a2a9bd;--fg-faint:#6b7286;--line:#2a2f3e;--accent:#7b7bff;--accent-ink:#0e1016;--accent-soft:#23243a;--shadow:0 2px 10px #0000004d, 0 1px 3px #00000040;--shadow-lg:0 16px 48px #00000080;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);color:var(--fg);overscroll-behavior-y:none;margin:0}body{-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.45}#root{min-height:100dvh}h1,h2,h3{letter-spacing:-.01em;margin:0;font-weight:700}button{font:inherit;color:inherit;cursor:pointer;background:0 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strong{white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:600;display:block;overflow:hidden}.doc-meta small{color:var(--fg-dim);font-size:11.5px}.empty{text-align:center;color:var(--fg-dim);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:64px 24px;display:flex}.empty-art{background:var(--surface);width:92px;height:92px;color:var(--accent);box-shadow:var(--shadow);border-radius:28px;place-items:center;margin-bottom:8px;display:grid}.empty h2{color:var(--fg);font-size:17px}.fab-row{padding:12px 16px calc(14px + var(--safe-b));background:linear-gradient(to top, var(--bg) 62%, transparent);pointer-events:none;justify-content:center;align-items:center;gap:12px;display:flex;position:fixed;bottom:0;left:0;right:0}.fab-row>*{pointer-events:auto}.fab{height:56px;box-shadow:var(--shadow-lg);border-radius:28px;align-items:center;gap:9px;padding:0 26px;font-size:16px;font-weight:700;transition:transform 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span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.doc-name svg{color:var(--fg-faint);flex:none}.pages-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;padding-top:6px;display:grid}.page-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin:0;overflow:hidden}.page-img{aspect-ratio:3/4;background:var(--surface-3);width:100%;padding:0;display:block}.page-img img{object-fit:cover;width:100%;height:100%}.page-card figcaption{color:var(--fg-dim);justify-content:space-between;align-items:center;padding:5px 6px 5px 12px;font-size:13px;font-weight:600;display:flex}.page-acts{gap:2px;display:flex}.page-add{aspect-ratio:3/4;border-radius:var(--radius);border:2px dashed var(--line);color:var(--fg-dim);flex-direction:column;justify-content:center;align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.doc-foot{padding:12px 16px calc(12px + var(--safe-b));background:linear-gradient(to top, var(--bg) 70%, 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img{object-fit:contain;max-width:100%;max-height:62vh;box-shadow:var(--shadow);border-radius:8px}.markup-wrap{max-width:100%;max-height:62vh;box-shadow:var(--shadow);border-radius:6px;position:relative;overflow:hidden}.markup-wrap canvas{object-fit:contain;width:100%;height:100%;display:block}.editor-controls{min-height:56px;padding:6px 12px}.ctrl-row{scrollbar-width:none;align-items:center;gap:8px;padding:4px;display:flex;overflow-x:auto}.ctrl-row::-webkit-scrollbar{display:none}.ctrl-row.wrap{flex-wrap:wrap;justify-content:center}.sliders{flex-direction:column;gap:6px;padding:4px 6px;display:flex}.sliders label{color:var(--fg-dim);align-items:center;gap:12px;font-size:12.5px;display:flex}.sliders span{flex:0 0 110px}.sliders input{flex:1}input[type=range]{appearance:none;background:var(--surface-3);border-radius:2px;outline:none;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);width:20px;height:20px;box-shadow:var(--shadow);cursor:pointer;border-radius:50%}input[type=range]::-moz-range-thumb{background:var(--accent);border:0;border-radius:50%;width:20px;height:20px}.markup-tools{flex-direction:column;gap:6px;display:flex}.swatch{border-radius:50%;flex:none;width:26px;height:26px;box-shadow:inset 0 0 0 1px #00000026}.swatch.on{box-shadow:0 0 0 2px var(--surface), 0 0 0 4px var(--accent)}.pen-size{flex:1;min-width:70px}.editor-tabs{padding:6px 8px calc(8px + var(--safe-b));background:var(--surface);border-top:1px solid var(--line);display:flex}.editor-tabs button{color:var(--fg-dim);border-radius:10px;flex-direction:column;flex:1;align-items:center;gap:3px;padding:6px 0;font-size:11px;font-weight:600;display:flex}.editor-tabs button.on{color:var(--accent)}.editor-tabs button.danger{color:var(--danger)}.crop-box{touch-action:none;-webkit-user-select:none;user-select:none;align-self:center;max-width:100%;max-height:62vh;line-height:0;position:relative}.crop-box img{object-fit:contain;max-width:100%;max-height:62vh;display:block}.crop-box svg{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.crop-shade{fill:#0a0c1480}.crop-line{fill:none;stroke:var(--accent);stroke-width:2.5px;vector-effect:non-scaling-stroke}.handle{touch-action:none;background:#5b5bf040;border:2.5px solid #fff;border-radius:50%;width:30px;height:30px;margin:-15px 0 0 -15px;position:absolute;box-shadow:0 1px 6px #0006}.handle:after{content:"";background:var(--accent);border-radius:50%;position:absolute;inset:8px}.handle.on{background:#5b5bf066}.loupe{width:110px;height:110px;box-shadow:var(--shadow-lg);pointer-events:none;z-index:3;background-repeat:no-repeat;border:3px solid #fff;border-radius:50%;margin-left:-55px;position:absolute}.loupe:after{content:"";border:1.5px solid #5b5bf0e6;border-radius:50%;width:18px;height:18px;margin:auto;position:absolute;inset:0}.sheet-backdrop{z-index:40;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a0c1480;justify-content:center;align-items:flex-end;animation:.2s fade;display:flex;position:fixed;inset:0}@keyframes fade{0%{opacity:0}}.sheet{background:var(--surface);width:100%;max-width:560px;max-height:88vh;box-shadow:var(--shadow-lg);border-radius:22px 22px 0 0;flex-direction:column;animation:.26s cubic-bezier(.2,.9,.3,1) slideup;display:flex}@keyframes slideup{0%{transform:translateY(100%)}}.sheet-head{justify-content:space-between;align-items:center;padding:16px 12px 8px 20px;display:flex}.sheet-head h2{font-size:17px}.sheet-body{padding:4px 20px 16px;overflow-y:auto}.sheet-foot{padding:12px 20px calc(16px + var(--safe-b));border-top:1px solid var(--line);gap:10px;display:flex}.sheet-foot .btn{flex:1}@media (width>=640px){.sheet-backdrop{align-items:center}.sheet{border-radius:22px;animation:.2s fade}}.field{margin:12px 0;display:block}.field>span{color:var(--fg-dim);margin-bottom:7px;font-size:13px;font-weight:600;display:block}.text-input{border:1.5px solid var(--line);background:var(--bg);width:100%;color:var(--fg);border-radius:11px;outline:none;padding:11px 13px;font-size:15px}.text-input:focus{border-color:var(--accent)}select.text-input{appearance:none}.text-area{border:1.5px solid var(--line);background:var(--bg);width:100%;height:46vh;color:var(--fg);resize:none;border-radius:12px;padding:12px;font-size:14px;line-height:1.5}.segmented{background:var(--surface-2);border-radius:12px;gap:4px;padding:4px;display:flex}.segmented button{color:var(--fg-dim);border-radius:9px;flex:1;padding:8px 6px;font-size:13px;font-weight:600}.segmented button.on{background:var(--surface);color:var(--fg);box-shadow:var(--shadow)}.toggle-row{align-items:center;gap:12px;padding:11px 0;display:flex}.toggle-row>span{flex:1;font-size:14px;font-weight:500}.toggle-row small{color:var(--fg-dim);font-size:12px;font-weight:400;display:block}.toggle-row input{opacity:0;pointer-events:none;position:absolute}.toggle-row i{background:var(--surface-3);border-radius:13px;flex:none;width:44px;height:26px;transition:background .18s;position:relative}.toggle-row i:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .18s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0000004d}.toggle-row input:checked+i{background:var(--accent)}.toggle-row input:checked+i:after{transform:translate(18px)}.fmt-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin:6px 0 14px;display:grid}.fmt{background:var(--surface-2);color:var(--fg-dim);border-radius:14px;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;font-size:12.5px;font-weight:600;display:flex}.fmt.on{background:var(--accent-soft);color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.opts{flex-direction:column;display:flex}.full{width:100%}.mode-grid{grid-template-columns:repeat(3,1fr);gap:10px;padding:6px 0;display:grid}.mode-tile{background:var(--surface-2);color:var(--fg);border-radius:15px;flex-direction:column;align-items:center;gap:8px;padding:18px 8px;font-size:12.5px;font-weight:600;display:flex}.mode-tile svg{color:var(--accent)}.mode-tile:active{transform:scale(.95)}.menu-list{flex-direction:column;display:flex}.menu-list button{text-align:left;border-bottom:1px solid var(--line);color:var(--fg);align-items:center;gap:12px;padding:14px 4px;font-size:15px;font-weight:500;display:flex}.menu-list button:last-child{border-bottom:0}.menu-list button.danger{color:var(--danger)}.menu-list button:disabled{opacity:.4}.about{margin-top:18px;line-height:1.5}.sign-pad{border:1.5px dashed var(--line);background:var(--bg);touch-action:none;border-radius:12px;width:100%;height:200px;margin-top:8px}.toast{left:50%;bottom:calc(96px + var(--safe-b));background:var(--fg);color:var(--bg);box-shadow:var(--shadow-lg);z-index:60;border-radius:999px;padding:11px 20px;font-size:13.5px;font-weight:600;animation:.25s toastin;position:fixed;transform:translate(-50%)}@keyframes toastin{0%{opacity:0;transform:translate(-50%,10px)}}.busy{z-index:55;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a0c1473;place-items:center;display:grid;position:fixed;inset:0}.busy-card{background:var(--surface);color:var(--fg);box-shadow:var(--shadow-lg);border-radius:18px;flex-direction:column;align-items:center;gap:14px;padding:26px 32px;font-size:14px;font-weight:600;display:flex}.spinner{border:2.5px solid var(--surface-3);border-top-color:var(--accent);border-radius:50%;width:22px;height:22px;animation:.7s linear infinite spin}.spinner.lg{border-width:3px;width:36px;height:36px}@keyframes spin{to{transform:rotate(360deg)}}