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0;font-size:16px;font-weight:700}.verdict.correct{color:var(--ok-fg)}.verdict.incorrect{color:var(--accent)}.grade-feedback{margin:6px 0 0;color:var(--muted);font-size:14px}.exercise-quiz .attempt{display:grid;gap:6px;font-size:13px;color:var(--muted)}.verdict.skipped{color:var(--muted)}.attempt-actions,.exercise-submit{display:flex;align-items:center;gap:10px}.exercise-submit{justify-content:flex-end;margin:8px 0 24px}button.ghost{background:transparent;color:var(--muted);border:1px dashed var(--line)}button.ghost:hover:not(:disabled){color:var(--accent);border-color:var(--accent);background:transparent}button.danger:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 10%,transparent)}.insert-bar{margin:8px 0 16px}.insert-actions{display:flex;justify-content:center;gap:8px}.insert-form{display:grid;gap:10px;margin-top:10px;padding:12px 14px;background:var(--card);border:1px dashed var(--line);border-radius:12px}.insert-form label{display:grid;gap:6px;font-size:13px;color:var(--muted)}.vision-parse-option{display:grid;gap:6px}.vision-parse-option>label{display:flex;align-items:flex-start;gap:8px;color:var(--ink);font-size:14px}.vision-parse-option .muted{margin:0}.math-text .katex-display{margin:12px 0}.number-line,.geometry-figure{display:block;width:100%;max-width:640px;margin:12px 0 16px;overflow:visible;color:var(--ink)}.geometry-figure{max-width:360px}.note-ask-toolbar{position:fixed;z-index:30;display:flex;gap:6px;transform:translate(-50%);padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--card);box-shadow:var(--shadow)}.note-ask-toolbar button{padding:6px 10px;font-size:13px}.note-ask-panel{position:fixed;z-index:31;display:grid;gap:10px;width:min(22.5rem,calc(100vw - 24px));max-height:min(70vh,32rem);overflow:auto;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--card);box-shadow:var(--shadow)}.note-ask-excerpt{margin:0;max-height:5.5rem;overflow:auto;padding:10px 12px;border-left:3px solid var(--accent);background:var(--paper);font-size:14px}.note-ask-reply{display:grid;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.note-ask-form,.note-ask-form label{display:grid;gap:6px}.note-ask-form textarea{resize:vertical;min-height:4.5rem}.problem-help{margin-top:16px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--card) 70%,transparent)}.problem-help-empty{margin:0 0 10px;font-size:13px}.problem-help-log{list-style:none;margin:0 0 10px;padding:0;display:grid;gap:8px;max-height:240px;overflow-y:auto}.problem-help-msg{padding:8px 10px;border-radius:8px;background:var(--paper)}.problem-help-msg.user{background:var(--highlight)}.problem-help-who{display:block;margin-bottom:4px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.problem-help-input{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.inline-editor{display:grid;gap:8px}.click-edit-title{display:block;width:100%}.click-edit-heading{display:block;font-family:var(--font);font-size:1.12rem;font-weight:600;line-height:1.3;letter-spacing:-.02em}.click-edit-view{width:100%;padding:4px 6px;margin:0 -6px;border-radius:8px;cursor:text}.click-edit-view:hover,.click-edit-title:hover{background:var(--highlight)}.click-edit-form{display:grid;gap:6px}.click-edit-input,.click-edit-area{width:100%;margin:0;font:inherit}.click-edit-area{min-height:6em;line-height:1.5}.danger-text{color:var(--danger)}.note-print-sheet{display:none}@media print{@page{margin:16mm}html,body{background:#fff!important}body *{visibility:hidden!important}.note-print-sheet,.note-print-sheet *{visibility:visible!important}.note-print-sheet{display:block!important;position:absolute;inset:0;background:#fff;color:#1a1612;padding:0}.note-print-sheet h1{margin:0 0 16px;font-family:var(--font);font-size:1.5rem;line-height:1.25}.note-lightbox{display:none!important}}