.ip-muted{color:var(--rd-muted);margin:0;font-size:13px}.ip-warn,.ip-warn-text{color:var(--rd-red);font-size:13px}.ip-warn{margin:0}.ip-warn button,.ip-warn-text button{font-weight:700;text-decoration:underline}.ip-try{border:1px solid color-mix(in oklch, var(--rd-amber) 34%, var(--rd-line));border-left:4px solid var(--rd-amber);border-radius:var(--rd-radius);background:color-mix(in oklch, var(--rd-amber) 5%, var(--rd-surface));gap:10px;margin-top:16px;padding:18px 20px 20px;display:grid}.ip-try[data-revealed]{border-left-color:var(--rd-brand);border-color:var(--rd-line);background:var(--rd-surface)}.ip-try-head h2{color:var(--rd-ink);align-items:center;gap:6px;margin:0;font-size:15px;font-weight:800;display:flex}.ip-try-head p{color:var(--rd-muted);margin:4px 0 0;font-size:13px;line-height:1.5}.ip-try-input{border:1px solid var(--rd-line);background:repeating-linear-gradient(transparent 0 calc(1.7em - 1px), color-mix(in oklch, var(--rd-amber) 12%, transparent) calc(1.7em - 1px) 1.7em) 0 12px / 100% 1.7em local, var(--rd-surface);width:100%;min-height:140px;color:var(--rd-ink);font:inherit;resize:vertical;border-radius:12px;padding:12px 14px;font-size:14px;line-height:1.7}.ip-try-input[data-code]{tab-size:4;background:#fbfcfd;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.ip-try-input:focus{border-color:var(--rd-amber);box-shadow:0 0 0 3px color-mix(in oklch, var(--rd-amber) 18%, transparent);outline:none}.ip-try-status{min-height:18px;color:var(--rd-subtle);margin:-2px 0 0;font-size:12px}.ip-try-go,.ip-try-skip{justify-self:start}.ip-try-ask{background:color-mix(in oklch, var(--rd-amber) 10%, var(--rd-surface));border:0;border-radius:12px;flex-wrap:wrap;align-items:center;gap:8px;min-width:0;margin:0;padding:12px 14px;animation:.26s cubic-bezier(.2,.7,.2,1) both rd-rise;display:flex}.ip-try-ask p{color:var(--rd-ink-2);flex-basis:100%;margin:0 0 2px;font-size:13px;line-height:1.55}.ct-hints{border-top:1px dashed var(--rd-line);margin-top:18px;padding-top:14px}.ct-hints summary{cursor:pointer;color:var(--rd-ink-2);font-size:13px;font-weight:700}.ct-answer{border-top:3px solid var(--rd-brand);gap:18px;margin-top:16px;animation:.36s cubic-bezier(.2,.7,.2,1) both rd-rise;display:grid}.ct-answer:focus:not(:focus-visible){outline:none}.ct-answer section+section{border-top:1px solid var(--rd-line-soft);padding-top:18px}.ct-answer h2{color:var(--rd-brand-ink);letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px;font-size:12px;font-weight:800}.ip-grade{gap:10px;display:grid}.ip-grade-go{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.ip-grade-go small{color:var(--rd-muted);font-size:12px}.ip-grade-go .rd-button:disabled{opacity:.5;cursor:not-allowed}.ip-grade-result{border:1px solid var(--rd-line);border-left:4px solid var(--rd-sky);background:var(--rd-surface);border-radius:12px;gap:12px;padding:14px 16px;animation:.26s cubic-bezier(.2,.7,.2,1) both rd-rise;display:grid}.ip-grade-result:focus:not(:focus-visible){outline:none}.ip-grade-result h3{color:var(--rd-ink);flex-wrap:wrap;align-items:center;gap:8px;margin:0;font-size:14px;font-weight:800;display:flex}.ip-grade-score{background:color-mix(in oklch, var(--rd-amber) 16%, var(--rd-surface));color:var(--rd-ink-2);border-radius:999px;padding:2px 9px;font-size:12px;font-weight:700}.ip-grade-score[data-score="3"],.ip-grade-score[data-score="4"]{background:color-mix(in oklch, var(--rd-brand) 16%, var(--rd-surface))}.ip-grade-result h4{color:var(--rd-muted);letter-spacing:.06em;text-transform:uppercase;margin:0 0 4px;font-size:11px;font-weight:700}.ip-grade-result ul{color:var(--rd-ink-2);gap:4px;margin:0;padding-left:18px;font-size:13px;line-height:1.55;display:grid}.ip-grade-result ul[data-kind=covered] li::marker{color:var(--rd-brand)}.ip-grade-result ul[data-kind=missing] li::marker{color:var(--rd-amber)}.ip-grade-tighter{background:var(--rd-fill);color:var(--rd-ink-2);white-space:pre-line;border-radius:10px;margin:0;padding:10px 12px;font-size:13px;line-height:1.6}@media (prefers-reduced-motion:reduce){.ip-try-ask,.ct-answer,.ip-grade-result{animation:none}}@media print{.ip-try-ask,.ip-try-skip,.ip-try-go,.ip-grade-go{display:none}}@media screen{.dark .ip-muted{color:var(--rd-muted)}.dark .ip-warn,.dark .ip-warn-text{color:var(--rd-red)}.dark .ip-warn button,.dark .ip-warn-text button{text-decoration:underline}.dark .ip-try{border:1px solid color-mix(in oklch, var(--rd-amber) 34%, var(--rd-line));border-left:4px solid var(--rd-amber);background:color-mix(in oklch, var(--rd-amber) 5%, var(--rd-surface))}.dark .ip-try[data-revealed]{border-left-color:var(--rd-brand);border-color:var(--rd-line);background:var(--rd-surface)}.dark .ip-try-head h2{color:var(--rd-ink)}.dark .ip-try-head p{color:var(--rd-muted)}.dark .ip-try-input{border:1px solid var(--rd-line);background:repeating-linear-gradient(transparent 0 calc(1.7em - 1px), color-mix(in oklch, var(--rd-amber) 12%, transparent) calc(1.7em - 1px) 1.7em) 0 12px / 100% 1.7em local, var(--rd-surface);color:var(--rd-ink)}.dark .ip-try-input[data-code]{background:#171818}.dark .ip-try-input:focus{border-color:var(--rd-amber);box-shadow:0 0 0 3px color-mix(in oklch, var(--rd-amber) 18%, transparent);outline:none}.dark .ip-try-status{color:var(--rd-subtle)}.dark .ip-try-ask{background:color-mix(in oklch, var(--rd-amber) 10%, var(--rd-surface));border:0}.dark .ip-try-ask p{color:var(--rd-ink-2)}.dark .ct-hints{border-top:1px dashed var(--rd-line)}.dark .ct-hints summary{color:var(--rd-ink-2)}.dark .ct-answer{border-top:3px solid var(--rd-brand)}.dark .ct-answer:focus:not(:focus-visible){outline:none}.dark .ct-answer section+section{border-top:1px solid var(--rd-line-soft)}.dark .ct-answer h2{color:var(--rd-brand-ink)}.dark .ip-grade-go small{color:var(--rd-muted)}.dark 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