:root{--bg: #f4f6f8;--card: #fff;--tx: #17202a;--mut: #667085;--bd: #d5dbe3;--ac: #1d4ed8;--acx: #fff;--bad: #d92d20;--bad-h: #b42318;--good: #178a4c;--good-h: #12703d;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #12161c;--card: #1a2029;--tx: #e6e9ee;--mut: #9aa4b2;--bd: #323b48;--ac: #7aa2ff;--acx: #0b1220;color-scheme:dark}}:root[data-theme=dark]{--bg: #12161c;--card: #1a2029;--tx: #e6e9ee;--mut: #9aa4b2;--bd: #323b48;--ac: #7aa2ff;--acx: #0b1220;color-scheme:dark}html{scroll-padding-top:env(safe-area-inset-top,0px)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--tx);font:15px/1.7 Noto Sans Khmer,Khmer OS,system-ui,sans-serif}.w{max-width:960px;margin:0 auto;padding:12px}header{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}h1{font-size:18px;margin:0}h3{margin:18px 0 8px;font-size:15px}.card{background:var(--card);border:1px solid var(--bd);border-radius:8px;padding:12px;margin-bottom:12px}.tabs{display:flex;gap:4px;overflow-x:auto;margin-bottom:12px}button,select,input,textarea{font:inherit;color:var(--tx);background:var(--card);border:1px solid var(--bd);border-radius:6px;padding:4px 10px}input[type=checkbox]{padding:0}.assignment summary{cursor:pointer;color:var(--ac)}.assignment-options{display:grid;gap:4px;min-width:150px;padding:8px;border:1px solid var(--bd);border-radius:6px;background:var(--card)}.assignment-options label{display:flex;align-items:center;gap:6px}.assignment-options button{margin-top:4px}.row-assignment{display:flex;align-items:center;justify-content:space-between;gap:8px}.assigned-range+.assigned-range{margin-top:8px;padding-top:8px;border-top:1px solid var(--bd)}.assigned-range b{display:block}.unassigned-row{opacity:.6;-webkit-user-select:none;user-select:none}button{cursor:pointer;transition:background .15s,border-color .15s,filter .15s,transform .05s}button:hover:not(:disabled){border-color:var(--ac);filter:brightness(1.15)}button.p:hover:not(:disabled){filter:brightness(1.12);box-shadow:0 0 0 2px color-mix(in srgb,var(--ac) 35%,transparent)}button:active:not(:disabled){transform:translateY(1px);filter:brightness(.9)}button:disabled{opacity:.5;cursor:not-allowed}button.p.bad{background:var(--bad);border-color:var(--bad);color:#fff}button.p.bad:hover:not(:disabled){background:var(--bad-h);border-color:var(--bad-h);box-shadow:0 0 0 2px color-mix(in srgb,var(--bad) 35%,transparent)}button.p.good{background:var(--good);border-color:var(--good);color:#fff}button.p.good:hover:not(:disabled){background:var(--good-h);border-color:var(--good-h)}.assign-msg{margin:4px 0 0;padding:6px 8px;border-radius:6px;border:1px solid;line-height:1.5;font-size:14px}.assign-msg.bad{color:var(--bad);border-color:var(--bad);background:color-mix(in srgb,var(--bad) 12%,transparent)}.assign-msg.good{color:var(--good);border-color:var(--good);background:color-mix(in srgb,var(--good) 12%,transparent)}.row-assignment.conflict{padding:2px 6px;border-radius:6px;outline:2px solid var(--bad);background:color-mix(in srgb,var(--bad) 12%,transparent)}button.p,.tabs button.on{background:var(--ac);color:var(--acx);border-color:var(--ac)}.tabs button{white-space:nowrap}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}.tw{overflow:auto;max-height:70vh;scrollbar-width:thin}.tw thead th{position:sticky;top:0;z-index:3;background:var(--card);box-shadow:0 1px 0 var(--bd)}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--bd);vertical-align:top}th{color:var(--mut);font-weight:600}.chip{border:2px solid;border-radius:14px;padding:2px 10px}.chip.on{color:#fff!important}.label-picker{position:fixed;z-index:10;display:grid;gap:6px;width:max-content;max-width:calc(100vw - 16px);padding:8px;border:1px solid var(--bd);border-radius:8px;background:var(--card);box-shadow:0 4px 16px #0003}.label-picker-options{display:flex;flex-wrap:wrap;gap:6px}#txt{font-size:20px;line-height:2.4;white-space:pre-wrap;word-break:break-word;padding:10px;border:1px solid var(--bd);border-radius:6px;min-height:140px;user-select:text;-webkit-user-select:text}#txt mark{color:inherit;border-radius:3px;padding:2px 0}#txt sup{font:600 10px system-ui;margin-left:2px;user-select:none;-webkit-user-select:none;pointer-events:none}.mut{color:var(--mut)}.err{color:#d92d20}textarea{width:100%;min-height:150px;font-family:ui-monospace,Noto Sans Khmer,monospace;font-size:12px}.scroll-list{max-height:280px;overflow-y:auto;scrollbar-width:thin;padding-right:6px}.row-list{max-height:240px;display:grid;gap:4px;align-content:start;border-top:1px solid var(--bd);padding-top:0}.list-head,.panel-title{font-weight:600;overflow-wrap:anywhere}.panel-title{padding-bottom:4px;border-bottom:1px solid var(--bd)}.list-head{position:sticky;top:0;z-index:2;padding:4px 0;background:var(--card);border-bottom:1px solid var(--bd)}.assigned-range b{position:sticky;top:0;z-index:1;background:var(--card);padding:2px 0}button.open{border-color:var(--ac);color:var(--ac)}button.open:hover:not(:disabled){background:var(--ac);color:var(--acx)}button.danger{border-color:var(--bad);color:var(--bad)}button.danger:hover:not(:disabled){background:var(--bad);border-color:var(--bad);color:#fff;filter:none}.toasts{position:fixed;right:16px;bottom:16px;z-index:1000;display:grid;gap:8px;max-width:min(420px,calc(100vw - 32px))}.toast{display:flex;gap:8px;align-items:flex-start;padding:10px 14px;border-radius:8px;color:#fff;font-size:14px;line-height:1.4;cursor:pointer;overflow-wrap:anywhere;box-shadow:0 6px 18px #00000059;animation:toast-in .18s ease-out}.toast.ok{background:var(--good)}.toast.danger{background:var(--bad)}.toast.info{background:#2563eb}.toast-icon{font-weight:700}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.assign-banner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:6px 0;padding:8px 10px;border:1px solid var(--bd);border-radius:8px}.range-chip{padding:2px 10px;border-radius:14px;border-color:var(--ac);color:var(--ac)}.range-chip.on{background:var(--ac);color:var(--acx)}.row-badge{margin-left:auto;padding:2px 10px;border-radius:14px;font-weight:600;color:#fff}.row-badge.good{background:var(--good)}.row-badge.bad{background:var(--bad)}td>button+button,td>button+span,td>span+button{margin-left:10px}