.homework-ledger{min-width:0;max-width:100%;color:var(--ink,#302725)}
.ledger-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:0 0 1.25rem}
.ledger-heading h1{margin:0 0 .35rem;font-size:1.55rem}
.ledger-heading p,.ledger-note{color:var(--muted,#71635d);font-size:.9rem;line-height:1.6}
.homework-ledger button,.homework-ledger select,.homework-ledger input[type=date]{min-height:44px;font:inherit;border:1px solid var(--line,#e2d5cc);border-radius:.7rem;background:var(--paper,#fffdf8);color:inherit;padding:.55rem .8rem}
.homework-ledger button{cursor:pointer}
.homework-ledger button:hover{background:#f6ece1}
.homework-ledger :is(button,select,input,a):focus-visible{outline:3px solid #96562f;outline-offset:3px}
.ledger-filters{display:grid;grid-template-columns:minmax(160px,1.4fr) repeat(4,minmax(130px,1fr));gap:.8rem;align-items:end;padding:1rem;border:1px solid var(--line,#e2d5cc);border-radius:1rem;background:#fffcf7}
.ledger-filters>label{display:grid;gap:.4rem;min-width:0;font-size:.9rem}
.ledger-filters select,.ledger-filters input[type=date]{width:100%;min-width:0;box-sizing:border-box}
.ledger-scope-controls{grid-column:1/-1;display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.ledger-scope-controls label{display:flex;gap:.5rem;align-items:center;min-height:44px;cursor:pointer}
.ledger-scope-controls input{width:18px;height:18px;accent-color:#a9633a}
.ledger-scope-controls button{margin-left:auto}
.ledger-rules{margin:1rem 0;padding:.9rem 1rem;border-radius:.8rem;background:#f7f2ec;line-height:1.65;font-size:.9rem}
.ledger-rules summary{cursor:pointer;min-height:24px;font-weight:650}
.ledger-rules li+li{margin-top:.35rem}
.ledger-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-bottom:1.2rem}
.ledger-unit-summary{min-width:0;padding:1rem;border:1px solid var(--line,#e2d5cc);border-radius:1rem;background:var(--paper,#fffdf8)}
.ledger-unit-summary h2{font-size:1.05rem;margin:0 0 1rem}
.ledger-unit-summary dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem;margin:0}
.ledger-unit-summary dt{font-size:.85rem;color:var(--muted,#71635d)}
.ledger-unit-summary dd{margin:.45rem 0 0;font-size:1.3rem;font-weight:650;overflow-wrap:anywhere}
.ledger-unit-summary dd small{display:block;margin-top:.3rem;font-size:.8rem;font-weight:400}
.ledger-known{display:block;margin-top:.5rem;font-size:.78rem;line-height:1.5;font-weight:400;color:#855128}
.ledger-warning{padding:.8rem 1rem;border:1px solid #d4b489;border-radius:.8rem;background:#fff8df;color:#72491d;line-height:1.6}
.ledger-view-controls{display:flex;align-items:center;justify-content:space-between;gap:.8rem;margin:.8rem 0;color:var(--muted,#71635d)}
.ledger-view-controls p{margin:0}
.ledger-assignment-groups{display:grid;gap:.7rem}
.ledger-assignment{border:1px solid var(--line,#e2d5cc);border-radius:.85rem;background:var(--paper,#fffdf8);overflow:hidden}
.ledger-assignment[hidden]{display:none}
.ledger-assignment>summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px;padding:.8rem 1rem;cursor:pointer}
.ledger-assignment>summary>span:first-child{display:grid;gap:.2rem;min-width:0}
.ledger-assignment>summary>span:last-child{white-space:nowrap;color:var(--muted,#71635d);font-size:.85rem}
.ledger-assignment>summary small{color:var(--muted,#71635d);font-weight:400}
.ledger-assignment .ledger-table-wrap{border:0;border-top:1px solid var(--line,#e2d5cc);border-radius:0}
.ledger-table-wrap{overflow-x:auto;max-width:100%;border:1px solid var(--line,#e2d5cc);border-radius:.85rem;background:var(--paper,#fffdf8)}
.ledger-table{border-collapse:collapse;width:100%;min-width:1000px;text-align:left;font-size:.88rem}
.ledger-table th,.ledger-table td{padding:.9rem .8rem;vertical-align:top;border-bottom:1px solid var(--line,#e2d5cc);line-height:1.6;overflow-wrap:anywhere}
.ledger-table thead{background:#f4ece2}
.ledger-table tbody tr:last-child>*{border-bottom:0}
.ledger-table tbody th{min-width:105px;font-weight:400}
.ledger-table td:nth-child(2){min-width:200px;max-width:360px}
.ledger-table td:nth-child(3){min-width:140px}
.ledger-table small{display:block;font-size:.78rem;color:var(--muted,#71635d);font-weight:400;margin-top:.25rem}
.ledger-table a{display:inline-flex;align-items:center;min-height:44px;min-width:85px;color:#805131;text-underline-offset:.2em}
.ledger-quantity{font-variant-numeric:tabular-nums;min-width:55px;font-weight:650}
.ledger-quantity.is-unknown{color:#855128}
.ledger-state{display:inline-block;white-space:nowrap;font-size:.8rem;padding:.2rem .55rem;border-radius:1rem;background:#eee7dd}
.ledger-state.is-completed{color:#265c42;background:#e3f0e6}
.ledger-state.is-overdue{color:#8d3327;background:#f9e4db}
.ledger-state.is-in_progress{color:#425b7b;background:#e7edf6}
.ledger-state.is-unknown{color:#78551e;background:#fff0cc}
.ledger-empty,.ledger-error{margin:1rem 0;padding:1.4rem;background:#fff8ed;border:1px solid #dfc7a9;border-radius:1rem;line-height:1.65}
.ledger-error [role=alert]{color:#8d3327}
@media(max-width:1000px){.ledger-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.ledger-filters>label:first-child{grid-column:1/-1}}
@media(max-width:720px){.ledger-heading{align-items:flex-start}.ledger-heading h1{font-size:1.3rem}.ledger-heading p{margin-bottom:0}.ledger-filters{padding:.85rem;gap:.7rem}.ledger-scope-controls{display:grid;grid-template-columns:minmax(0,1fr);gap:.4rem}.ledger-scope-controls button{margin-left:0}.ledger-summary-grid{grid-template-columns:minmax(0,1fr)}.ledger-rules{padding:.8rem}.ledger-rules ul{padding-left:1.1rem}.ledger-table th,.ledger-table td{padding:.7rem}.ledger-unit-summary{padding:.85rem}}
@media(max-width:720px){.ledger-view-controls,.ledger-assignment>summary{align-items:flex-start;flex-direction:column}.ledger-assignment>summary>span:last-child{white-space:normal}}
@media(prefers-reduced-motion:reduce){.homework-ledger *{scroll-behavior:auto;transition:none;animation:none}}

/* Scope warnings remain visible even when optional statistics rules are closed. */
.ledger-rules>summary:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:3px}
@media(max-width:720px){.ledger-rules>summary{min-height:44px;align-content:center}}