:root{--bg: #f6f5f1;--surface: #ffffff;--surface-2: #f0eee8;--border: #dcd9d0;--border-strong: #bdb8ab;--text: #1d232b;--text-2: #4c5562;--text-3: #6b7380;--accent: #1f4e79;--accent-hover: #173c5d;--accent-text: #ffffff;--accent-soft: #e3ecf5;--danger: #a3261b;--danger-soft: #fbe9e7;--warn: #8a5a00;--warn-soft: #fff4dc;--ok: #2c6e49;--ok-soft: #e4f3ea;--focus: #2f7fd1;--rheton-hl-exact: rgba(255, 190, 40, .5);--rheton-hl-fallback: rgba(255, 190, 40, .5);--rheton-hl-active: rgba(255, 160, 20, .55);--rheton-hl-active-outline: #c46a00;--rheton-page-shadow: 0 1px 3px rgba(20, 24, 31, .12), 0 6px 20px rgba(20, 24, 31, .08);--rheton-page-bg: #fff;--rheton-page-label-fg: #6b7380;--rheton-page-label-bg: rgba(255, 255, 255, .85);--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 2px rgba(20, 24, 31, .06), 0 4px 14px rgba(20, 24, 31, .06);color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #14171c;--surface: #1c2027;--surface-2: #232832;--border: #2f3541;--border-strong: #454d5c;--text: #e8eaee;--text-2: #b4bac5;--text-3: #8b93a1;--accent: #7fb0e3;--accent-hover: #a2c6ec;--accent-text: #0e1620;--accent-soft: #1e2d3d;--danger: #ff8f84;--danger-soft: #3a1f1d;--warn: #ffc76b;--warn-soft: #382c14;--ok: #7fd4a2;--ok-soft: #1a3226;--focus: #7fb0e3;--rheton-page-shadow: 0 2px 14px rgba(0, 0, 0, .5);--rheton-page-label-fg: #4c5562;--shadow: 0 2px 14px rgba(0, 0, 0, .35);color-scheme:dark}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent)}a:hover{color:var(--accent-hover)}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}h1,h2,h3{line-height:1.25;margin:0}h1{font-family:var(--font-serif);font-weight:600;font-size:1.75rem}h2{font-size:1.1rem;font-weight:650}h3{font-size:.95rem;font-weight:650}p{margin:0}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.topbar{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--border)}.topbar-inner{display:flex;align-items:center;gap:18px;max-width:1180px;margin:0 auto;padding:10px 20px}.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;color:var(--text)}.brand:hover{color:var(--text)}.brand-name{font-family:var(--font-serif);font-size:1.3rem;font-weight:600}.brand-name em{color:var(--accent)}.brand-sub{font-size:.8rem;color:var(--text-3)}.nav{display:flex;gap:4px}.nav a{text-decoration:none;color:var(--text-2);padding:6px 10px;border-radius:var(--radius);font-size:.92rem}.nav a:hover{background:var(--surface-2);color:var(--text)}.nav a[aria-current=page]{color:var(--text);background:var(--surface-2);font-weight:600}.topbar-spacer{flex:1}.topbar-user{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--text-2)}.page{max-width:1180px;margin:0 auto;padding:28px 20px 64px}.page-narrow{max-width:760px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}.page-head p{color:var(--text-2);margin-top:4px}.crumbs{font-size:.88rem;color:var(--text-3);margin-bottom:6px}.crumbs a{color:var(--text-3)}.grid-2{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}@media(max-width:880px){.grid-2{grid-template-columns:minmax(0,1fr)}}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.muted{color:var(--text-3)}.small{font-size:.86rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px}.card+.card{margin-top:16px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.list{list-style:none;margin:0;padding:0}.list>li{border-top:1px solid var(--border)}.list>li:first-child{border-top:0}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.tile{display:block;text-decoration:none;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;transition:border-color .12s,box-shadow .12s}.tile:hover{color:var(--text);border-color:var(--border-strong);box-shadow:var(--shadow)}.tile h2{margin-bottom:6px}.tile .meta{font-size:.86rem;color:var(--text-3)}.paper-row{display:flex;align-items:center;gap:14px;padding:12px 4px}.paper-icon{flex:0 0 auto;width:34px;height:42px;border-radius:4px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:.66rem;font-weight:700;letter-spacing:.04em}.paper-main{flex:1;min-width:0}.paper-main a{font-weight:600;text-decoration:none;color:var(--text)}.paper-main a:hover{text-decoration:underline}.paper-main .meta{font-size:.84rem;color:var(--text-3)}.member-row{display:flex;align-items:center;gap:10px;padding:9px 0}.avatar{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);color:var(--text-2);font-size:.75rem;font-weight:700}.member-row .who{flex:1;min-width:0}.member-row .who .email{font-size:.82rem;color:var(--text-3);overflow:hidden;text-overflow:ellipsis}.badge{display:inline-block;font-size:.72rem;font-weight:650;letter-spacing:.03em;text-transform:uppercase;padding:2px 8px;border-radius:100px;background:var(--surface-2);color:var(--text-2);white-space:nowrap}.badge-accent{background:var(--accent-soft);color:var(--accent)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-ok{background:var(--ok-soft);color:var(--ok)}.empty{text-align:center;padding:36px 16px;color:var(--text-3)}.empty h2{color:var(--text);margin-bottom:6px}.field{display:flex;flex-direction:column;gap:5px}.field label{font-size:.88rem;font-weight:600}.field .hint{font-size:.82rem;color:var(--text-3)}input:not([type]),input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);padding:8px 11px;width:100%}textarea{resize:vertical;min-height:72px}input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--focus);outline-offset:0;border-color:var(--focus)}.checkbox{display:flex;align-items:center;gap:8px;font-size:.92rem}.btn{font:inherit;font-size:.92rem;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 15px;border-radius:var(--radius);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover{background:var(--surface-2);color:var(--text)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--accent-text)}.btn-danger{color:var(--danger)}.btn-danger:hover{background:var(--danger-soft);color:var(--danger)}.btn-ghost{border-color:transparent;background:transparent;color:var(--text-2)}.btn-ghost:hover{background:var(--surface-2)}.btn-sm{font-size:.82rem;padding:4px 10px}.btn-block{width:100%}.link-btn{font:inherit;background:none;border:0;padding:0;color:var(--accent);cursor:pointer;text-decoration:underline}.alert{border-radius:var(--radius);padding:10px 14px;font-size:.92rem;border:1px solid transparent}.alert-error{background:var(--danger-soft);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 25%,transparent)}.alert-warn{background:var(--warn-soft);color:var(--warn);border-color:color-mix(in srgb,var(--warn) 25%,transparent)}.alert-ok{background:var(--ok-soft);color:var(--ok);border-color:color-mix(in srgb,var(--ok) 25%,transparent)}.alert-info{background:var(--accent-soft);color:var(--accent)}.banner{max-width:1180px;margin:12px auto 0;padding:0 20px}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:32px 16px}.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 28px 24px;box-shadow:var(--shadow)}.auth-card .brand{margin-bottom:18px}.auth-card h1{font-size:1.4rem;margin-bottom:6px}.auth-card .lead{color:var(--text-2);margin-bottom:18px}.auth-foot{margin-top:16px;font-size:.9rem;color:var(--text-2);text-align:center}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:20px;text-align:center;color:var(--text-2);background:var(--surface);transition:border-color .12s,background .12s}.dropzone.is-over{border-color:var(--accent);background:var(--accent-soft)}.progress{height:6px;border-radius:100px;background:var(--surface-2);overflow:hidden}.progress>span{display:block;height:100%;background:var(--accent);transition:width .15s}.meter{height:8px;border-radius:100px;background:var(--surface-2);overflow:hidden}.meter>span{display:block;height:100%;background:var(--accent)}.meter.is-warn>span{background:var(--warn)}.meter.is-full>span{background:var(--danger)}.reader{display:grid;grid-template-columns:minmax(0,1fr) 360px;height:calc(100vh - 57px)}.reader-doc{overflow:auto;padding:24px 20px 64px;position:relative}.reader-side{border-left:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;min-height:0}.reader-side-head{padding:14px 16px 10px;border-bottom:1px solid var(--border)}.reader-side-body{overflow:auto;padding:12px 12px 40px;flex:1}.reader-toolbar{display:flex;align-items:center;gap:8px;margin:0 auto 14px;max-width:900px;justify-content:space-between;flex-wrap:wrap}@media(max-width:900px){.reader{grid-template-columns:minmax(0,1fr);height:auto}.reader-doc{overflow:visible;padding:16px 8px 24px}.reader-side{border-left:0;border-top:1px solid var(--border)}}.thread{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);padding:10px 12px;margin-bottom:10px;cursor:pointer}.thread.is-active{border-color:var(--rheton-hl-active-outline);box-shadow:0 0 0 1px var(--rheton-hl-active-outline)}.thread-quote{font-family:var(--font-serif);font-size:.9rem;color:var(--text-2);border-left:3px solid var(--rheton-hl-exact);padding-left:8px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.comment{font-size:.92rem}.comment+.comment{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.comment-head{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.comment-author{font-weight:650;font-size:.88rem}.comment-time{font-size:.78rem;color:var(--text-3)}.comment-body{white-space:pre-wrap;overflow-wrap:anywhere}.comment-body.is-deleted{color:var(--text-3);font-style:italic}.comment-actions{display:flex;gap:10px;margin-top:4px}.comment-actions button{font:inherit;font-size:.8rem;color:var(--text-3);background:none;border:0;padding:0;cursor:pointer}.comment-actions button:hover{color:var(--accent);text-decoration:underline}.replies{margin-left:12px;padding-left:10px;border-left:2px solid var(--border);margin-top:10px}.composer-pop{position:fixed;z-index:40;width:300px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:0 10px 34px #0000002e;padding:12px}.selection-btn{position:fixed;z-index:40}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);z-index:60;background:var(--text);color:var(--bg);padding:10px 16px;border-radius:var(--radius);font-size:.9rem;box-shadow:var(--shadow)}.table-wrap{overflow-x:auto}table.table{width:100%;border-collapse:collapse;font-size:.92rem}.table th,.table td{text-align:left;padding:10px;border-bottom:1px solid var(--border);vertical-align:top}.table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-3);font-weight:650}.table tr.is-selected td{background:var(--accent-soft)}.num{text-align:right!important;font-variant-numeric:tabular-nums}dialog.modal{border:1px solid var(--border);border-radius:var(--radius-lg);padding:0;width:min(520px,calc(100vw - 32px));background:var(--surface);color:var(--text);box-shadow:0 20px 60px #00000040}dialog.modal::backdrop{background:#0a0e1473}.modal-body{padding:20px 22px}.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 22px 18px}.copy-box{display:flex;gap:8px}.copy-box input{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.82rem}@media(max-width:640px){.topbar-inner{gap:10px;padding:10px 14px;flex-wrap:wrap}.brand-sub,.topbar-user .who-name{display:none}.page{padding:20px 16px 48px}.auth-card{padding:22px 18px}}