*,:after,:before{box-sizing:border-box;margin:0;padding:0}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:root{--color-primary:#38bdf8;--color-primary-dark:#0ea5e9;--color-primary-light:#7dd3fc;--color-accent:#6366f1;--color-success:#10b981;--color-success-light:#d1fae5;--color-danger:#ef4444;--color-danger-light:#fee2e2;--color-warning:#f59e0b;--color-warning-light:#fef3c7;--color-support-red:#ef4444;--color-white:#ffffff;--color-gray-50:#f8fafc;--color-gray-100:#f1f5f9;--color-gray-200:#e2e8f0;--color-gray-300:#cbd5e1;--color-gray-400:#94a3b8;--color-gray-500:#64748b;--color-gray-600:#475569;--color-gray-700:#334155;--color-gray-800:#1e293b;--color-gray-900:#0f172a;--bg-gradient:linear-gradient(180deg,#e0eafc,#cfdef3 50%,#e8f0fe);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica 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h1{font-size:2.75rem;font-weight:700;color:var(--color-gray-900);margin-bottom:var(--space-4);letter-spacing:-.02em}.tagline{color:var(--color-gray-500);font-size:1.125rem;max-width:500px;margin:0 auto;line-height:1.5}.feature-badge{display:inline-flex;gap:var(--space-2);background:var(--color-white);padding:var(--space-2) var(--space-4);box-shadow:var(--shadow-card);margin-bottom:var(--space-6);font-size:.875rem;color:var(--color-gray-600)}.feature-badge,.feature-badge .badge-icon{align-items:center;border-radius:var(--radius-full)}.feature-badge .badge-icon{width:20px;height:20px;background:var(--color-primary);display:flex;justify-content:center;color:white;font-size:.75rem}.main-card{background:var(--color-white);border-radius:var(--radius-2xl);padding:var(--space-8);box-shadow:var(--shadow-lg);margin-bottom:var(--space-8)}.input-section{margin-bottom:var(--space-6)}.input-form{display:flex;flex-direction:column;gap:var(--space-4)}.input-wrapper{position:relative}.input-wrapper textarea{width:100%;padding:var(--space-4) var(--space-5);border:2px solid var(--color-gray-200);border-radius:var(--radius-xl);font-family:inherit;font-size:1rem;color:var(--color-gray-800);background:var(--color-gray-50);transition:all .2s ease;resize:none;min-height:120px}.input-wrapper textarea:focus{outline:none;border-color:var(--color-primary);background:var(--color-white);box-shadow:0 0 0 4px rgba(56,189,248,.15)}.input-wrapper textarea::placeholder{color:var(--color-gray-400)}.input-wrapper textarea:disabled{background:var(--color-gray-100);cursor:not-allowed;opacity:.7}.url-detected{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:linear-gradient(135deg,#eff6ff,#dbeafe);border:1px solid var(--color-primary-light);border-radius:var(--radius-lg);font-size:.875rem;color:var(--color-primary-dark);animation:slideIn .2s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.url-icon{font-size:1rem}.url-detected span:last-child{flex:1 1;word-break:break-all}.input-hint{font-size:.8125rem;color:var(--color-gray-400);text-align:center;margin-top:var(--space-2)}.submit-btn{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-4) var(--space-10);background:var(--color-primary);color:white;border:none;border-radius:var(--radius-full);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 14px rgba(56,189,248,.35);margin:var(--space-6) auto 0;min-width:160px}.submit-btn:hover:not(:disabled){background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(56,189,248,.4)}.submit-btn:active:not(:disabled){transform:translateY(0)}.submit-btn:disabled{opacity:.7;cursor:not-allowed}.submit-btn svg{flex-shrink:0}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:white;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.error-section{background:var(--color-danger-light);border:1px solid var(--color-danger);border-radius:var(--radius-lg);padding:var(--space-4);margin-bottom:var(--space-6)}.error-content{display:flex;align-items:center;gap:var(--space-3)}.error-icon{font-size:1.25rem}.error-content p{color:var(--color-danger);font-weight:500;font-size:.9375rem}.result-section{background:var(--color-white);border-radius:var(--radius-2xl);padding:var(--space-8);box-shadow:var(--shadow-lg);margin-bottom:var(--space-8)}.result-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-4);margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-gray-100)}.result-header h2{font-size:1.25rem;font-weight:600;color:var(--color-gray-900)}.verdict-badge{display:inline-flex;align-items:center;padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.verdict-confirmed{background:var(--color-success-light);color:var(--color-success)}.verdict-refuted{background:var(--color-danger-light);color:var(--color-danger)}.verdict-partial{background:var(--color-warning-light);color:var(--color-warning)}.verdict-misleading{background:#fef3c7;color:#b45309}.verdict-outdated{background:#e0e7ff;color:#4338ca}.verdict-unverifiable{background:var(--color-gray-200);color:var(--color-gray-600)}.verdict-na{background:#cffafe;color:#0891b2}.result-content{color:var(--color-gray-600);line-height:1.75;font-size:.9375rem}.result-h1{font-size:1.375rem;font-weight:600;color:var(--color-gray-900);margin:var(--space-6) 0 var(--space-3)}.result-h2{font-size:1.125rem;margin:var(--space-5) 0 var(--space-2)}.result-h2,.result-h3{font-weight:600;color:var(--color-gray-800)}.result-h3{font-size:1rem;margin:var(--space-4) 0 var(--space-2)}.result-p{margin-bottom:var(--space-2)}.result-content strong{color:var(--color-gray-800)}.result-actions{display:flex;gap:var(--space-3);margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--color-gray-100)}.action-btn{padding:var(--space-2) var(--space-4);background:var(--color-gray-100);border:none;border-radius:var(--radius-full);font-size:.8125rem;font-weight:500;color:var(--color-gray-600);cursor:pointer;transition:all .2s ease}.action-btn:hover{background:var(--color-gray-200);color:var(--color-gray-700)}.reasoning-section{margin-top:var(--space-6);padding:var(--space-5);background:var(--color-gray-50);border-radius:var(--radius-lg)}.reasoning-section h3{font-size:.875rem;font-weight:600;color:var(--color-gray-700);margin-bottom:var(--space-3)}.reasoning-content{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,monospace;font-size:.75rem;line-height:1.6;color:var(--color-gray-500);white-space:pre-wrap;word-break:break-word;max-height:300px;overflow-y:auto}.sources-section{margin-top:var(--space-6);padding:var(--space-5);background:var(--color-gray-50);border-radius:var(--radius-lg)}.sources-section h3{font-size:.875rem;font-weight:600;color:var(--color-gray-700);margin-bottom:var(--space-4)}.source-item{padding:var(--space-3);background:var(--color-white);border-radius:var(--radius-md);margin-bottom:var(--space-3);box-shadow:var(--shadow-sm)}.source-item:last-child{margin-bottom:0}.source-type{font-weight:600;color:var(--color-gray-700);margin-bottom:var(--space-2);font-size:.8125rem}.search-results{list-style:none}.search-results li{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-2);padding:var(--space-2) 0;border-bottom:1px solid var(--color-gray-100)}.search-results li:last-child{border-bottom:none}.search-results a{color:var(--color-primary);text-decoration:none;font-size:.8125rem;flex:1 1}.search-results a:hover{text-decoration:underline}.source-score{font-size:.6875rem;color:var(--color-gray-400);background:var(--color-gray-100);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm)}.footer{margin-top:auto;padding-top:var(--space-12);text-align:center}.footer-links{gap:var(--space-4);margin-bottom:var(--space-6)}.footer-link,.footer-links{display:flex;justify-content:center}.footer-link{width:44px;height:44px;align-items:center;background:var(--color-white);border-radius:var(--radius-full);box-shadow:var(--shadow-card);color:var(--color-gray-600);text-decoration:none;transition:all .2s ease}.footer-link:hover{box-shadow:var(--shadow-md);color:var(--color-gray-800);transform:translateY(-2px)}.footer-link svg{width:20px;height:20px}.footer-text{color:var(--color-gray-500);font-size:.875rem}.footer-text a{color:var(--color-primary);text-decoration:none;font-weight:500}.footer-text a:hover{text-decoration:underline}.nav-links{display:flex;justify-content:center;gap:var(--space-6);margin-bottom:var(--space-8)}.nav-link{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);text-decoration:none;color:var(--color-gray-700);transition:all .2s ease}.nav-link:hover{transform:translateY(-2px)}.nav-link-icon{width:64px;height:64px;background:var(--color-white);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card);font-size:1.5rem;position:relative;transition:all .2s ease}.nav-link:hover .nav-link-icon{box-shadow:var(--shadow-md)}.nav-link-icon .badge{position:absolute;top:-6px;right:-6px;background:var(--color-primary);color:white;font-size:.625rem;font-weight:600;padding:2px 6px;border-radius:var(--radius-full);text-transform:uppercase}.nav-link-label{font-size:.8125rem;font-weight:500}@media (max-width:640px){.container{padding:var(--space-6) var(--space-4)}.header h1{font-size:2rem}.tagline{font-size:1rem}.main-card{padding:var(--space-6);border-radius:var(--radius-xl)}.result-section{padding:var(--space-5)}.result-header{align-items:flex-start}.result-actions,.result-header{flex-direction:column}.action-btn{width:100%;text-align:center;justify-content:center}.nav-links{flex-wrap:wrap;gap:var(--space-4)}.nav-link-icon{width:56px;height:56px;font-size:1.25rem}}