@import "https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Nunito:wght@400;500;600;700&display=swap";:root{--bg:#f5f1e8;--bg-soft:#fbf7ef;--card:#fff;--primary:#2f6b4f;--primary-hover:#25553f;--primary-soft:#e8f2ec;--neutral:#717573;--neutral-hover:#717573;--neutral-soft:#dfe0df;--success:#1a6040;--success-soft:#d4eddf;--error:#9b2424;--error-soft:#fadadb;--text:#24322b;--muted:#6c756f;--border:#d8d1c6;--shadow:0 12px 34px #2f43341f;color:var(--text);background:var(--bg);--font-serif:"Lora", Georgia, serif;--font-sans:"Nunito", system-ui, sans-serif}*{box-sizing:border-box}body{font-family:var(--font-sans);background:radial-gradient(circle at top, #fffaf1 0, var(--bg) 44rem);min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit}.app-shell{width:min(1120px,100% - 32px);margin:0 auto;padding:22px 0 32px}.app-topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.brand-button{color:var(--primary);letter-spacing:-.01em;background:0 0;border:0;padding:8px 0;font-size:1.05rem;font-weight:900}.card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:24px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-sans);color:var(--neutral);margin:0 0 8px;font-size:.74rem;font-weight:900}.resource-links{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:8px;display:flex}.resource-links-compact{justify-content:flex-end;margin-top:0}.resource-link{border:1px solid var(--border);background:var(--bg-soft);min-height:40px;color:var(--primary);border-radius:999px;align-items:center;gap:8px;padding:9px 13px;font-weight:850;text-decoration:none;transition:background .15s,border-color .15s,transform .15s;display:inline-flex}.resource-link:hover{background:var(--primary-soft);border-color:#2f6b4f73;transform:translateY(-1px)}.resource-icon{flex:none;width:20px;height:20px}.home-screen{align-content:center;gap:20px;min-height:calc(100vh - 98px);display:grid}.hero-card{text-align:center;gap:18px;padding:clamp(28px,6vw,64px);display:grid}.hero-card h1{font-family:var(--font-serif);color:var(--primary);letter-spacing:-.06em;margin:0;font-size:clamp(2.2rem,7vw,4.8rem);line-height:.95}.hero-copy{width:min(680px,100%);color:var(--muted);margin:0 auto;font-size:1.15rem;line-height:1.7}.hero-actions{justify-content:center;margin-top:8px;display:flex}.home-cards{grid-template-columns:1fr;gap:16px;display:grid}.mini-card{text-align:center;gap:8px;display:grid}.mini-card strong{color:var(--primary)}.mini-card p{color:var(--muted);margin:0;line-height:1.5}.options-screen,.quiz-view{gap:20px;display:grid}.page-heading-card{gap:10px;display:grid}.page-heading-card h1{font-family:var(--font-serif);color:var(--primary);letter-spacing:-.04em;margin:0;font-size:clamp(2rem,5vw,3.4rem)}.page-heading-card p{color:var(--muted);margin:0}.full-width-card{width:100%}.back-link{justify-self:start;margin-bottom:4px}.tense-selector h2{font-family:var(--font-serif);color:var(--primary);margin:0}.tense-group+.tense-group{border-top:1px solid var(--border);margin-top:28px;padding-top:28px}.group-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.toggle-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.toggle-row{border:1px solid var(--border);background:var(--bg-soft);border-radius:16px;justify-content:space-between;align-items:center;gap:16px;padding:13px 15px;font-weight:750;transition:background .15s,border-color .15s;display:flex}.toggle-row:has(input:checked){background:var(--primary-soft);color:var(--primary);border-color:#2f6b4f73}.toggle-row input{width:21px;height:21px;accent-color:var(--primary)}.footer-actions{grid-template-columns:1fr auto;align-items:center;gap:20px;padding-block:.75rem;display:grid;position:sticky;bottom:16px}.footer-copy{flex-direction:column;gap:.25rem;display:flex}.footer-actions strong{color:var(--primary)}.footer-actions p{color:var(--muted);margin:0}.footer-actions.card{padding:.75rem 1rem}.warning-text{color:var(--error)!important}.top-nav{grid-template-columns:48px 1fr 48px;align-items:center;gap:1rem;display:grid}.icon-button:first-child{justify-self:start}.icon-button:last-child{justify-self:end}.score-box{flex-direction:column;align-items:center;display:flex}.score-row{align-items:center;gap:.75rem;display:flex}.question-count{opacity:.8;margin-top:.25rem;font-size:.8rem}.score-box strong{color:var(--primary);font-size:1.35rem}.score-badge__correct strong,.score-badge__correct span{color:var(--success)}.score-badge__wrong strong,.score-badge__wrong span{color:var(--error)}.icon-button{color:var(--primary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:.25rem;font-size:1.25rem;display:flex}.icon-button:hover{opacity:.8}.inline-link-button{color:var(--primary);font:inherit;cursor:pointer;background:0 0;border:none;align-items:center;gap:.25rem;padding:0;display:inline-flex}.inline-link-button:hover{opacity:.8}.link-button{color:var(--primary);background:0 0;border:0;padding:0;font-weight:900}.link-button:hover{color:var(--primary-hover);text-decoration:underline}.score-box .link-button{text-align:right;grid-column:1/-1}.question-card{gap:20px;display:grid}.option-list{gap:12px;display:grid}.option-button{border:2px solid var(--border);width:100%;color:var(--text);text-align:left;background:#fff;border-radius:18px;align-items:center;gap:12px;padding:14px 16px;font-weight:700;display:flex}.option-button:hover:not(:disabled){background:var(--bg-soft);border-color:#2f6b4f73}.option-button.selected{border-color:var(--primary);background:var(--primary-soft)}.option-button.correct{border-color:var(--success);background:var(--success-soft);color:#1f6f39}.option-button.wrong{border-color:var(--error);background:var(--error-soft);color:#9f2f2f}.option-letter{background:var(--primary-soft);width:28px;height:28px;color:var(--primary);border-radius:999px;place-items:center;font-weight:900;display:inline-grid}.fill-sentence{font-size:1.35rem;line-height:2.4}.blank-wrap{vertical-align:middle;gap:2px;margin:0 6px;display:inline-grid}.blank-wrap input{background:var(--bg-soft);width:170px;color:var(--text);text-align:center;border:0;border-bottom:2px solid #a69b8b;border-radius:10px 10px 0 0;padding:6px 8px}.blank-wrap input:focus{border-bottom-color:var(--primary);outline:2px solid #2f6b4f38}.blank-wrap input.correct{border-color:var(--success);background:var(--success-soft)}.blank-wrap input.wrong{border-color:var(--error);background:var(--error-soft)}.blank-wrap small{color:var(--muted);text-align:center;font-size:.75rem}.primary-button,.secondary-button,.wrong-button,.neutral-button{border:0;border-radius:999px;justify-self:start;padding:12px 22px;font-weight:900;transition:background .15s,transform .15s}.primary-button{background:var(--primary);color:#fff;box-shadow:0 8px 18px #2f6b4f3d}.primary-button:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.secondary-button{background:var(--primary-soft);color:var(--primary);border:1px solid #2f6b4f2e}.secondary-button:hover:not(:disabled){background:#dcecdf}.neutral-button{background:var(--neutral);color:#fff;box-shadow:0 8px 18px #2f6b4f3d}.neutral-button:hover:not(:disabled){background:var(--neutral-hover);transform:translateY(-1px)}.wrong-button{background:var(--error-soft);color:var(--error);border:1px solid #2f6b4f2e}.wrong-button:hover:not(:disabled){background:var(--error);color:#fff}.big-button{padding:14px 30px;font-size:1.05rem}.compact-button{padding:8px 14px;font-size:.9rem}.button-row{flex-wrap:wrap;gap:12px;display:flex}.feedback-block{gap:14px;display:grid}.success-text{color:var(--success);font-weight:900}.error-text{color:var(--error);font-weight:900}.answer-list{margin:0;padding-left:20px}.empty-card{text-align:center}@media (width<=860px){.app-topbar{justify-items:start;display:grid}.resource-links-compact{justify-content:center;align-items:center;gap:1rem;display:flex}.resource-links-compact .resource-link span{display:none}.home-screen{align-content:start}.home-cards,.toggle-list{grid-template-columns:1fr}.quiz-header,.footer-actions{display:grid}.score-box{text-align:left;justify-content:start}.score-box .link-button{text-align:left}.group-heading{flex-direction:column;align-items:start}}.hint-box{flex-direction:column;align-items:center;margin:.75rem 0;display:flex}.hint-button{border:1px solid var(--primary);background:var(--card);color:var(--primary);cursor:pointer;border-radius:999px;padding:.35rem .9rem;font-weight:600}.hint-text{color:var(--primary);margin:.4rem 0 0;font-size:.9rem}.action-row{justify-content:center;align-items:center;gap:.75rem;margin-top:1rem;display:flex}