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button.active{border-color:var(--color-brand);background:var(--color-brand-tint);color:var(--color-brand-strong)}.grading-score-input{display:inline-flex;align-items:center;gap:6px;color:var(--color-muted);font-size:13px}.grading-score-input input{width:72px;min-height:36px;font-size:16px;font-weight:700;text-align:center}@media(max-width:900px){.manual-grading{grid-template-columns:1fr}.manual-grading-panel{position:static}}.opt-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.opt{display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-surface)}.opt-body{display:flex;align-items:center;gap:8px;min-width:0;overflow-wrap:anywhere}.opt-mark{font-weight:700;text-align:center}.opt-correct{border-color:#9cc9a6;background:#eef7f0}.opt-correct .opt-mark{color:var(--tone-good)}.opt-wrong{border-color:#eab0aa;background:#fdf0ee}.opt-wrong .opt-mark{color:var(--tone-low)}.opt-tags{display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end}.opt-tag{padding:1px 8px;border-radius:999px;font-size:11.5px;font-weight:600;white-space:nowrap}.tag-selected{background:#e8edf5;color:#315d86}.tag-correct{background:#dcefe1;color:#1f5a2c}.answer-compare{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--color-border);border-radius:8px;overflow:hidden;font-size:14px}.answer-compare th,.answer-compare td{padding:8px 12px;text-align:left;vertical-align:top;border-top:1px solid var(--color-border);background:var(--color-surface)}.answer-compare thead th{border-top:0;background:#f0f3f8;font-size:11.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-muted)}.answer-compare tbody th{font-weight:500;color:var(--color-muted);width:28%}.answer-compare tr.is-right td:first-of-type,.answer-compare tr.is-right td:nth-of-type(1){background:#eef7f0}.answer-compare tr.is-wrong td:nth-of-type(1){background:#fdf0ee}.answer-compare tr.is-wrong .compare-mark{color:var(--tone-low)}.answer-compare tr.is-right .compare-mark{color:var(--tone-good)}.compare-mark{display:inline-block;width:18px;font-weight:700}.compare-value{overflow-wrap:anywhere}.blank-gap{color:var(--color-muted);letter-spacing:2px}.muted{color:var(--color-muted)}.sub-question-results{display:grid;gap:10px}.attempt-sub{display:grid;gap:8px;padding:12px 14px;border:1px solid var(--color-border);border-left:3px solid var(--tone-neutral);border-radius:10px;background:var(--color-surface-subtle)}.attempt-sub.status-correct{border-left-color:var(--tone-good)}.attempt-sub.status-incorrect{border-left-color:var(--tone-low)}.attempt-sub.status-pending{border-left-color:var(--tone-mid);background:#fffdf7}.attempt-sub-head{display:flex;align-items:center;gap:10px}.attempt-sub-points{margin-right:auto;color:var(--color-muted);font-size:12.5px}.attempt-explanation{padding:8px 12px;border:1px dashed var(--color-border);border-radius:8px;background:var(--color-surface-subtle)}.attempt-explanation summary{cursor:pointer;font-weight:600;font-size:13px;color:var(--color-muted)}.attempt-card-body .preview-options{display:grid;gap:10px}.grading-bar{position:fixed;left:232px;right:0;bottom:0;z-index:25;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:12px 32px;background:#fffffff5;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-top:1px solid var(--color-border);box-shadow:0 -4px 16px #1018280f}.grading-bar-status{margin:0;font-size:13.5px;color:var(--color-muted)}.grading-bar-status strong{color:var(--color-text)}.grading-bar-actions{display:flex;flex-wrap:wrap;gap:10px}@media(max-width:720px){.grading-bar{left:0;padding:10px 16px}.attempt-card-body{padding-left:16px}.attempt-card-head{grid-template-columns:auto 1fr}.attempt-card-head .result-badge{grid-column:2;justify-self:start}}tr.row-clickable{cursor:pointer}tr.row-clickable:hover td{background:#f7f9fc}td.row-action{text-align:right;white-space:nowrap}.list-toolbar .segmented{align-self:center}.compare-cell{display:flex;align-items:center;gap:4px}.compare-cell .compare-mark{flex:none}.attempt-list{gap:8px}.attempt-card{border-radius:10px}.attempt-card-head{grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:4px 10px;padding:10px 12px}.attempt-card-number{min-width:28px;height:28px;font-size:13px}.attempt-card-number.small{min-width:24px;height:24px;font-size:12px}.attempt-card-meta{gap:0 10px;font-size:12px}.attempt-card-body{gap:10px;padding:0 14px 12px 50px}.attempt-card.is-collapsed .attempt-card-head{cursor:pointer;padding:8px 12px}.attempt-card.is-collapsed .attempt-card-head:hover{background:var(--color-surface-subtle);border-radius:10px}.attempt-card-line{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attempt-card-summary{color:var(--color-muted);font-size:12.5px}.summary-label{font-weight:600}.attempt-toggle{display:inline-grid;place-items:center;width:28px;height:28px;padding:0;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--color-muted);font-size:13px;cursor:pointer}.attempt-toggle:hover{background:var(--color-surface-sunken);color:var(--color-text)}.attempt-toggle:focus-visible{outline:none;box-shadow:var(--focus-ring)}.opt-list{gap:4px}.opt{padding:5px 10px;font-size:13.5px}.opt-mark{font-size:12.5px;color:var(--color-muted)}.opt-toggle{margin-top:4px;padding:2px 4px;font-size:12.5px}.opt-empty{margin:6px 0 0}.answer-compare{font-size:13.5px}.answer-compare th,.answer-compare td{padding:5px 10px}.attempt-sub{padding:8px 12px;gap:6px}.attempt-auto-note{margin:0 0 10px}.attempt-nav{gap:8px 16px;padding:8px 0}.attempt-nav-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}.attempt-nav-expand{display:inline-flex;gap:2px}.attempt-nav-chips{max-height:66px;overflow-y:auto;align-content:flex-start}.nav-chip{min-width:28px;height:28px}.attempt-list-long .attempt-card{content-visibility:auto;contain-intrinsic-size:auto 64px}.attempt-table-wrap{overflow-x:auto}.attempt-table{width:100%;table-layout:fixed;border-collapse:collapse;font-size:13.5px}.attempt-table thead th{position:static;padding:8px 10px;background:#f0f3f8;text-align:left;font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--color-muted)}.attempt-table thead th:nth-child(1){width:58px}.attempt-table thead th:nth-child(2){width:30%}.attempt-table thead th:nth-child(5){width:70px}.attempt-table thead th:nth-child(6){width:118px}.attempt-table thead th:nth-child(7){width:44px}.attempt-table td,.attempt-table tbody th{padding:7px 10px;border-top:1px solid var(--color-border);vertical-align:middle;text-align:left;font-weight:400;background:var(--color-surface)}.attempt-table .cell-clip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attempt-table .cell-nowrap{white-space:nowrap;font-variant-numeric:tabular-nums}.attempt-row{cursor:pointer}.attempt-row:hover td,.attempt-row:hover th{background:#f7f9fc}.attempt-row.status-correct th{box-shadow:inset 3px 0 0 var(--tone-good)}.attempt-row.status-incorrect th{box-shadow:inset 3px 0 0 var(--tone-low)}.attempt-row.status-pending th{box-shadow:inset 3px 0 0 var(--tone-mid)}.attempt-row.is-open td,.attempt-row.is-open th{background:var(--color-surface-subtle)}.attempt-table-detail>td{padding:10px 14px 14px 58px;background:var(--color-surface-subtle)}.attempt-table-detail .attempt-card-body{padding:0}@media(max-width:720px){.attempt-table thead th:nth-child(3),.attempt-table thead th:nth-child(4),.attempt-table td:nth-child(3),.attempt-table td:nth-child(4){display:none}.attempt-table thead th:nth-child(2){width:auto}.attempt-table-detail>td{padding-left:14px}}.attempt-row{--accent: var(--tone-neutral)}.attempt-row.status-correct{--accent: var(--tone-good)}.attempt-row.status-incorrect{--accent: var(--tone-low)}.attempt-row.status-pending{--accent: var(--tone-mid)}.attempt-table tbody th .attempt-card-number{display:inline-grid}.data-table-wide{width:max-content;min-width:100%;table-layout:auto}.data-table-wide thead th{max-width:150px;min-width:88px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}.data-table-wide thead th:first-child,.data-table-wide tbody td:first-child{position:sticky;left:0;z-index:2;min-width:130px;max-width:200px}.data-table-wide thead th:first-child{z-index:3}.data-table-wide tbody td{white-space:nowrap;background:var(--color-surface)}.data-table-wide tbody td:first-child{overflow:hidden;text-overflow:ellipsis;box-shadow:1px 0 0 var(--color-border)}.data-table-wide tbody td:last-child{padding-right:16px}.table-wrap-wide{max-width:100%}@media(max-width:720px){.data-table-wide{min-width:0}}.pending-grading-group{margin-top:18px}.pending-grading-title{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 8px;font-size:16px}.pending-grading-title small{color:var(--color-muted);font-weight:500}.report-sheet{margin-top:20px}.report-sheet-title{margin:0 0 4px}.report-sheet-caption{margin:12px 0 6px;font-weight:700;font-size:13px;letter-spacing:.02em}