:root{--bg: #f1f2f4;--surface: #ffffff;--surface-2: #eef0f3;--paper: #ffffff;--text: #1c2128;--ink: #1f1d1a;--muted: #5b6573;--border: #d9dde3;--accent: #1f4e79;--accent-text: #ffffff;--accent-soft: #dce8f4;--danger: #b42318;--focus: #2f80ed;--note: #c2410c;--active: rgb(255 214 10 / .55);--band-tiny: rgb(244 114 182 / .28);--band-short: rgb(251 191 36 / .32);--band-medium: rgb(52 211 153 / .28);--band-long: rgb(56 189 248 / .28);--band-veryLong: rgb(167 139 250 / .34);--band-tiny-solid: #ec4899;--band-short-solid: #f59e0b;--band-medium-solid: #10b981;--band-long-solid: #0ea5e9;--band-veryLong-solid: #8b5cf6;--text-size: 18px;--tap: 44px;--ui-font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Devanagari", "Noto Sans Bengali", "Noto Sans Tamil", "Noto Sans Telugu", "Noto Sans Gujarati", "Noto Sans Kannada", "Noto Sans Malayalam", "Noto Sans Gurmukhi", "Nirmala UI", sans-serif;--serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Noto Serif", "Noto Serif Devanagari", "Noto Serif Bengali", "Noto Serif Tamil", "Noto Serif Telugu", "Noto Serif Gujarati", "Noto Serif Kannada", "Noto Serif Malayalam", "Noto Serif Gurmukhi", "Nirmala UI", serif;--page-font: var(--serif);color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme]){--bg: #0f1216;--surface: #171b21;--surface-2: #222830;--paper: #1a1f26;--text: #e6e9ee;--ink: #e9e6df;--muted: #9aa4b2;--border: #2c333d;--accent: #7fb3e3;--accent-text: #0b1520;--accent-soft: #1d2f42;--danger: #f97066;--note: #fb923c;--active: rgb(250 204 21 / .35);color-scheme:dark}}:root[data-theme=dark]{--bg: #0f1216;--surface: #171b21;--surface-2: #222830;--paper: #1a1f26;--text: #e6e9ee;--ink: #e9e6df;--muted: #9aa4b2;--border: #2c333d;--accent: #7fb3e3;--accent-text: #0b1520;--accent-soft: #1d2f42;--danger: #f97066;--note: #fb923c;--active: rgb(250 204 21 / .35);color-scheme:dark}:root[data-theme=sepia]{--bg: #ece3d0;--surface: #f6efdf;--surface-2: #ebe1cb;--paper: #fbf6ea;--text: #3b3226;--ink: #33291d;--muted: #7a6a55;--border: #ddd0b6;--accent: #8a4b1f;--accent-text: #fffaf0;--accent-soft: #f0dcc2;--note: #b4361b;color-scheme:light}:root[data-font=sans]{--page-font: var(--ui-font)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--ui-font);-webkit-text-size-adjust:100%}body{overflow:hidden}.sprite{display:none}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}svg circle{fill:currentColor;stroke:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.app{display:grid;grid-template-columns:280px minmax(0,1fr);height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left)}.sidebar{display:flex;flex-direction:column;min-height:0;background:var(--surface);border-right:1px solid var(--border)}.main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.revise{display:none}@media(min-width:760px){:root[data-mode=revise] .app{grid-template-columns:280px minmax(0,1fr) 360px}:root[data-mode=revise] .revise{display:flex}}@media(min-width:760px)and (max-width:1279px){:root[data-mode=revise] .app{grid-template-columns:minmax(0,1fr) 340px}:root[data-mode=revise] .sidebar{display:none}}:root[data-focus] .app{grid-template-columns:minmax(0,1fr)}:root[data-focus] .sidebar,:root[data-focus] .toolbar{display:none}:root[data-focus] .topbar{border-bottom-color:transparent;background:transparent}:root[data-focus] .topbar .icon-btn:not(#focusBtn),:root[data-focus] .mode-switch{opacity:0;transition:opacity .3s}:root[data-focus] .topbar:hover .icon-btn,:root[data-focus] .topbar:hover .mode-switch,:root[data-focus] 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transparent;font-weight:600}.primary-btn{background:var(--accent);color:var(--accent-text)}.secondary-btn{background:var(--surface-2);border-color:var(--border)}.danger-btn{background:var(--danger);color:#fff}.topbar{display:flex;align-items:center;gap:4px;padding:6px 8px;background:var(--surface);border-bottom:1px solid var(--border)}.title-input{flex:1;min-width:0;min-height:var(--tap);padding:0 10px;border:1px solid transparent;border-radius:8px;background:transparent;font-family:var(--page-font);font-size:1.15rem;font-weight:600}.title-input:hover,.title-input:focus{border-color:var(--border);background:var(--surface-2);outline:none}.mode-switch{display:inline-flex;padding:3px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);flex:none}.mode-switch button{min-height:36px;min-width:64px;padding:0 14px;border:0;border-radius:999px;background:transparent;font-size:.9rem;font-weight:600;color:var(--muted)}.mode-switch button[aria-checked=true]{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #00000026}@media(max-width:759px){.mode-switch button{min-width:0;padding:0 10px}}.toolbar{display:flex;align-items:center;gap:2px;padding:4px 8px;background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.toolbar::-webkit-scrollbar{display:none}.toolbar button{flex:0 0 auto;min-width:var(--tap);min-height:var(--tap);border:0;border-radius:8px;background:transparent;font-size:1rem;font-weight:600;color:var(--muted)}.toolbar button:hover{background:var(--surface-2);color:var(--text)}.toolbar button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}.toolbar .sep{flex:0 0 1px;height:24px;margin:0 4px;background:var(--border)}.page-scroll{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:28px 20px}.editor{max-width:calc(68ch + 112px);min-height:calc(100% - 8px);margin:0 auto;padding:56px 56px 30vh;background:var(--paper);color:var(--ink);border:1px solid var(--border);border-radius:4px;box-shadow:0 1px 2px #0000000a,0 8px 24px #0000000a;font-family:var(--page-font);font-size:var(--text-size);line-height:1.7;overflow-wrap:anywhere;hyphens:auto;outline:none;caret-color:var(--accent)}@media(max-width:759px){.page-scroll{padding:0}.editor{border:0;border-radius:0;box-shadow:none;padding:24px 18px 45vh;min-height:100%}}.editor.is-empty:before{content:attr(data-placeholder);color:var(--muted);pointer-events:none;position:absolute;font-style:italic}.editor h1{font-size:1.75em;line-height:1.25;margin:.4em 0;font-weight:700}.editor h2{font-size:1.32em;line-height:1.3;margin:1.1em 0 .35em;font-weight:700}.editor h3{font-size:1.12em;margin:1em 0 .3em}.editor p{margin:0 0 .85em}.editor ul,.editor ol{margin:0 0 .85em;padding-inline-start:1.5em}.editor li{margin-bottom:.2em}.editor blockquote{margin:0 0 .85em;padding-inline-start:1em;border-inline-start:3px solid var(--border);color:var(--muted);font-style:italic}::highlight(ow-len-tiny){background-color:var(--band-tiny)}::highlight(ow-len-short){background-color:var(--band-short)}::highlight(ow-len-medium){background-color:var(--band-medium)}::highlight(ow-len-long){background-color:var(--band-long)}::highlight(ow-len-veryLong){background-color:var(--band-veryLong)}::highlight(ow-note){text-decoration:underline wavy var(--note);text-decoration-thickness:1.5px;text-underline-offset:3px}::highlight(ow-active){background-color:var(--active)}::highlight(ow-dim){color:color-mix(in srgb,var(--ink) 32%,transparent)}.statusbar{display:flex;align-items:center;gap:12px;min-height:32px;padding:4px 14px calc(4px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);font-size:.8rem;color:var(--muted)}.statusbar .count{margin-inline-start:auto;white-space:nowrap}#saveStatus{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#saveStatus[data-state=error]{color:var(--danger)}:root[data-focus] .statusbar{background:transparent;border-top-color:transparent}.revise{flex-direction:column;min-width:0;min-height:0;background:var(--surface);border-left:1px solid var(--border)}.revise-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border-bottom:1px solid var(--border)}.revise-head h2{margin:0;font-size:1.1rem}.revise-body{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}@media(max-width:759px){.revise{border-left:0}}.r-card{padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.r-title{display:block;margin:0 0 4px;font-size:.95rem;font-weight:700}.r-hint{margin:0 0 8px;font-size:.82rem;color:var(--muted);line-height:1.45}.r-meta{margin:6px 0 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0}.bar.band-tiny,.swatch.band-tiny{background:var(--band-tiny-solid)}.bar.band-short,.swatch.band-short{background:var(--band-short-solid)}.bar.band-medium,.swatch.band-medium{background:var(--band-medium-solid)}.bar.band-long,.swatch.band-long{background:var(--band-long-solid)}.bar.band-veryLong,.swatch.band-veryLong{background:var(--band-veryLong-solid)}.legend{list-style:none;margin:8px 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.76rem;color:var(--muted)}.legend li{display:inline-flex;align-items:center;gap:5px}.swatch{width:10px;height:10px;border-radius:2px}.check{display:flex;align-items:center;gap:8px;min-height:var(--tap);font-size:.88rem}.check input{width:18px;height:18px;accent-color:var(--accent)}.r-group{border-top:1px solid var(--border)}.r-group:first-of-type{border-top:0}.r-group summary{display:flex;align-items:center;justify-content:space-between;min-height:var(--tap);cursor:pointer;font-weight:600;font-size:.9rem;list-style:none}.r-group 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0;padding:0;overflow-y:auto;max-height:60dvh}.history-list li{display:flex;align-items:center;gap:8px;padding:8px 4px;border-bottom:1px solid var(--border)}.history-list .h-text{flex:1;min-width:0}.history-list .h-time{display:block;font-weight:600}.history-list .h-preview{display:block;color:var(--muted);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-list .empty{color:var(--muted);border:0}.field{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px}.field select{min-height:var(--tap);padding:0 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2)}.stepper{display:flex;align-items:center;gap:8px}.stepper output{min-width:3ch;text-align:center}.actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.toast{position:fixed;left:50%;bottom:calc(48px + env(safe-area-inset-bottom));transform:translate(-50%);z-index:5;max-width:calc(100vw - 32px);padding:10px 16px;border-radius:10px;background:var(--text);color:var(--bg);font-size:.9rem;box-shadow:0 4px 16px #0003}