.class-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px max(24px,calc((100vw - 1240px)/2));background:var(--surface);border-bottom:1px solid var(--border)}.class-brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:750;letter-spacing:-.3px}.class-brand img{width:29px;height:44px}.class-brand small{display:block;font-size:.75rem;font-weight:400;letter-spacing:0;color:var(--muted);margin-top:2px}.header-actions{display:flex;align-items:center;gap:10px}.header-actions select{font-size:.875rem}.class-main{max-width:1240px;margin:auto;padding:32px 24px 0}.class-heading>p:last-child{color:var(--muted);margin-top:12px}.class-heading h1{font-size:clamp(2rem,4vw,3rem)}.tool-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 30px;padding-bottom:20px;border-bottom:1px solid var(--border)}.tool-tabs a{padding:11px 16px;border:1px solid var(--border);border-radius:11px;text-decoration:none;font-size:.875rem;font-weight:650;background:var(--surface)}.tool-tabs a[aria-current=page]{background:var(--accent);color:#fff;border-color:var(--accent)}[data-theme=dark] .tool-tabs a[aria-current=page]{background:#cc1735}.tool-intro{margin-bottom:24px}.tool-number{font-size:.75rem;font-weight:650;letter-spacing:1px;color:var(--accent)}.tool-intro h2{font-size:clamp(1.6rem,3vw,2rem);line-height:1.2;margin:8px 0 10px;letter-spacing:-.8px}.tool-intro p{color:var(--muted);max-width:700px}.tool-columns{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:22px;align-items:start}.tool-form{display:grid;gap:18px}.tool-form h3,.results-card h3,.practice-card h3,.study-card h3{margin:0;font-size:1.05rem}.tool-form label,.grade-card label{display:block;font-size:.875rem;font-weight:650}.tool-form label small{display:block;font-weight:400;color:var(--muted);margin-top:4px}.tool-form input,.tool-form textarea,.tool-form select,.inline-form input{width:100%;margin-top:7px}textarea{font:inherit;padding:12px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:10px;resize:vertical;line-height:1.5;max-width:100%;min-width:0}textarea:focus{outline:2px solid #548dff;outline-offset:1px}textarea::placeholder{color:var(--muted)}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.result-heading select{font-size:.875rem;padding:9px}.result-empty{color:var(--muted);padding:25px 0}.group-row,.plan-row{padding:16px 0;border-bottom:1px solid var(--border)}.editable-title{width:100%;font-weight:600;padding:8px 10px;background:var(--surface2)}.row-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;margin-top:10px}.row-fields label{font-size:.75rem;color:var(--muted)}.row-fields input,.row-fields select{display:block;width:100%;font-size:.875rem;margin-top:5px}.input-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.practice-stats{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:12px 0 18px}.practice-stats strong{font-size:2.2rem;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-1px}.practice-stats span{font-size:.875rem;color:var(--muted)}.prompter{height:340px;overflow-y:auto;background:var(--surface2);border-radius:12px;padding:24px;font-size:1.4rem;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;scroll-behavior:auto}.practice-controls{display:flex;gap:10px;margin:18px 0 12px}.practice-card:fullscreen{max-width:none;width:100%;height:100%;border-radius:0;background:var(--surface);display:flex;flex-direction:column;padding:32px}.practice-card:fullscreen .prompter{flex:1;height:auto;font-size:clamp(1.5rem,3vw,2.5rem)}.grade-card{max-width:850px}.grade-mode-label{max-width:330px;margin-bottom:20px}.grade-mode-label select{display:block;width:100%;margin-top:8px}.grade-table{width:100%;border-collapse:collapse;font-size:.875rem}.grade-table th{text-align:left;font-size:.75rem;color:var(--muted);font-weight:600;padding:0 5px 10px}.grade-table td{padding:5px}.grade-table td:first-child{width:42%}.grade-table input{width:100%;font-size:.875rem;padding:10px;min-width:60px}.grade-table button{font-size:1.4rem;width:32px;min-height:40px;color:var(--muted)}.grade-table-wrap{overflow-x:auto;margin-bottom:15px}.grade-answer{border-radius:15px;background:var(--soft);padding:24px;margin:24px 0}.grade-answer>p:first-child{font-size:.875rem;font-weight:650;color:var(--accent)}.grade-answer strong{display:block;font-size:2.8rem;letter-spacing:-1px;margin:4px 0}.grade-answer>p:last-child{font-size:.875rem;color:var(--muted)}.final-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.final-grid input{display:block;width:100%;margin-top:8px}.inline-form{display:flex;gap:8px;margin:18px 0}.inline-form input{margin-top:0}.full-width{width:100%;margin-top:20px;white-space:normal}.plan-line{display:flex;align-items:center;gap:10px}.plan-line>input[type=checkbox]{width:21px;height:21px;accent-color:var(--accent);flex:none}.plan-line .editable-title{min-width:0}.plan-row.done .editable-title{text-decoration:line-through;color:var(--muted)}.plan-row .row-fields{grid-template-columns:minmax(0,1fr) auto;align-items:end;padding-left:31px}.plan-row .text-button{padding:10px;font-size:.875rem}.deck-list{display:grid;gap:8px;margin-top:4px}.deck-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.deck-item>span{font-size:.875rem;overflow-wrap:anywhere;min-width:0}.deck-item>div{display:flex;flex:none;gap:10px}.deck-item button{font-size:.875rem;color:var(--accent);padding:7px 0}.flashcard{width:100%;min-height:285px;background:var(--surface2);border:1px solid var(--border);border-radius:17px;padding:24px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:23px;text-align:center;margin:18px 0}.flashcard.answer{background:var(--soft);border-color:var(--accent)}#flash-content{font-size:1.5rem;line-height:1.45;font-weight:600;overflow-wrap:anywhere;white-space:pre-wrap;max-width:100%}.flip-hint{font-size:.75rem;color:var(--muted)}.study-ratings{display:grid;grid-template-columns:1fr 1fr;gap:10px}.study-navigation{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0}.tool-panel button:disabled{opacity:.45;cursor:default}.tool-panel[hidden]{display:none}.class-main footer{margin-top:32px}.tool-panel .local-note{display:block;line-height:1.6}.tool-panel input[type=range]{padding:0;accent-color:var(--accent)}
@media(max-width:750px){.class-header{padding:16px;align-items:flex-start}.class-brand{font-size:.875rem}.class-brand img{width:22px;height:34px}.header-actions{flex-direction:column;align-items:flex-end;gap:7px}.header-actions .button{font-size:.75rem;padding:6px 10px;min-height:34px}.header-actions select{padding:5px 8px;font-size:.75rem}.class-main{padding:24px 16px 0}.tool-tabs{gap:7px;margin:22px 0}.tool-tabs a{padding:10px 12px;font-size:.875rem;flex-grow:1;text-align:center}.tool-columns{grid-template-columns:1fr}.tool-intro p{font-size:.95rem}.final-grid{grid-template-columns:1fr}.grade-table td:first-child{width:35%}.grade-table{min-width:360px}.prompter{height:300px}.result-heading{flex-wrap:wrap}.flashcard{min-height:240px}.tool-panel .card{padding:20px}.study-ratings .button{padding-inline:9px;font-size:.875rem}}