:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-text: #1a1a1a;--color-bg: #ffffff;--color-primary: #3b82f6;--color-secondary: #8b5cf6;--color-border: #e5e7eb;--color-card-bg: #ffffff;--color-error: #ef4444}@media (prefers-color-scheme: dark){:root{--color-text: rgba(255, 255, 255, .92);--color-bg: #111827;--color-primary: #60a5fa;--color-secondary: #a78bfa;--color-border: #374151;--color-card-bg: #1f2937;--color-error: #f87171}}body{margin:0;min-width:320px;min-height:100vh;color:var(--color-text);background-color:var(--color-bg);transition:color .3s ease,background-color .3s ease}h1{font-size:2.5rem;line-height:1.2;font-weight:700;margin:0 0 1rem}h2{font-size:2rem;line-height:1.25;margin:0 0 .75rem}h3{font-size:1.5rem;line-height:1.3;margin:0 0 .5rem}p{margin:0 0 1rem}a{font-weight:500;color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-secondary);text-decoration:underline}button{border-radius:.5rem;border:1px solid transparent;padding:.5rem 1rem;font-size:1rem;font-weight:500;font-family:inherit;background-color:var(--color-primary);color:#fff;cursor:pointer;transition:all .2s ease}button:hover{opacity:.9;transform:translateY(-1px)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color;outline-offset:2px}button.secondary{background-color:transparent;border:1px solid var(--color-border);color:var(--color-text)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1rem}@media (min-width: 768px){.container{padding:0 2rem}}.text-center{text-align:center}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-secondary)}:root{--color-primary: #2563eb;--color-primary-light: #3b82f6;--color-primary-dark: #1d4ed8;--color-bookmark-active: #3b82f6;--color-text: #111827;--color-text-secondary: #6b7280;--color-bg: #ffffff;--color-bg-secondary: #f3f4f6;--color-error: #ef4444;--color-success: #10b981;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--transition-fast: .15s;--transition-normal: .3s;--transition-slow: .5s}.dark-mode{--color-primary: #60a5fa;--color-primary-light: #93c5fd;--color-primary-dark: #3b82f6;--color-text: #f3f4f6;--color-text-secondary: #d1d5db;--color-bg: #111827;--color-bg-secondary: #1f2937;--color-error: #fca5a5;--color-success: #34d399}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;background-color:var(--color-bg);color:var(--color-text);transition:background-color var(--transition-normal) ease}.app-container{max-width:1200px;margin:0 auto;padding:var(--space-md);min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-md) 0;margin-bottom:var(--space-lg)}.logo-container{display:flex;align-items:center;gap:var(--space-sm)}.app-logo{height:3rem;width:auto;transition:transform var(--transition-fast) ease}.app-logo:hover{transform:scale(1.05)}.app-title{font-size:var(--text-xl);font-weight:700;background:linear-gradient(90deg,var(--color-primary),var(--color-success),var(--color-primary));background-size:200% auto;background-clip:text;-webkit-background-clip:text;color:transparent;animation:gradient 3s linear infinite}@keyframes gradient{0%{background-position:0% center}to{background-position:200% center}}.search-container{display:flex;gap:var(--space-sm);width:100%}.search-input-group{display:flex;gap:var(--space-sm);flex-grow:1}.search-input,.date-input{padding:var(--space-sm);border:1px solid var(--color-bg-secondary);border-radius:var(--radius-sm);background-color:var(--color-bg);color:var(--color-text);transition:all var(--transition-normal) ease}.search-input:focus,.date-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #2563eb33}.theme-toggle{padding:var(--space-sm);border-radius:var(--radius-sm);background-color:var(--color-bg-secondary);transition:all var(--transition-normal) ease}.theme-toggle:hover{background-color:var(--color-primary);color:#fff}.tabs-list{display:flex;gap:var(--space-sm);padding:var(--space-sm);background-color:var(--color-bg-secondary);border-radius:var(--radius-md);overflow-x:auto;scrollbar-width:thin}.tab-trigger{padding:var(--space-sm) var(--space-md);font-size:var(--text-sm);font-weight:500;white-space:nowrap;border-radius:var(--radius-sm);transition:all var(--transition-fast) ease}.tab-trigger[data-state=active]{background-color:var(--color-bg);box-shadow:var(--shadow-sm)}.articles-grid{display:grid;gap:var(--space-lg);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin:var(--space-lg) 0}.article-card{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;height:100%;transition:all var(--transition-normal) ease;background-color:var(--color-bg)}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.image-container{position:relative;padding-top:56.25%;overflow:hidden}.article-image{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow) ease}.article-card:hover .article-image{transform:scale(1.05)}.article-content{padding:var(--space-lg);flex-grow:1;display:flex;flex-direction:column}.article-title{font-size:var(--text-lg);font-weight:600;margin-bottom:var(--space-sm);color:var(--color-text)}.article-description{color:var(--color-text-secondary);margin-bottom:var(--space-md);flex-grow:1}.article-footer{display:flex;justify-content:space-between;align-items:center}.read-more{color:var(--color-primary);font-weight:500;text-decoration:none;transition:color var(--transition-fast) ease}.read-more:hover{color:var(--color-primary-dark);text-decoration:underline}.bookmark-button{display:flex;align-items:center;gap:var(--space-xs);background:none;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:var(--text-sm);transition:all var(--transition-fast) ease}.bookmark-button:hover{color:var(--color-primary)}.bookmark-button.bookmarked{color:var(--color-bookmark-active)}.status-message{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);padding:var(--space-xl);text-align:center}.spinner{border:3px solid rgba(0,0,0,.1);border-radius:50%;border-top:3px solid var(--color-primary);width:24px;height:24px;animation:spin 1s linear infinite}.load-more-container{display:flex;justify-content:center;margin:var(--space-xl) 0}@media (min-width: 768px){.app-header{flex-direction:row;align-items:center;justify-content:space-between}.search-container{width:auto}}@media (max-width: 768px){.articles-grid{grid-template-columns:1fr}.search-container{flex-direction:column}.search-input-group,.date-input{width:100%}}@media print{.app-header,.tabs-list,.theme-toggle,.bookmark-button{display:none}.article-card{break-inside:avoid;box-shadow:none;border:1px solid #eee}}.privacy-policy-container{max-width:900px;margin:2rem auto;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #00000014}.policy-header h1{font-size:2.2rem;margin-bottom:.5rem;color:var(--primary-color)}.effective-date{color:#6c757d;font-size:.95rem;margin-bottom:1.5rem}.compliance-badges{display:flex;gap:10px;margin-top:1rem}.compliance-badge{background-color:#e8f4ff;color:#0d6efd;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:500}.policy-section{margin:2rem 0;padding-bottom:1.5rem;border-bottom:1px solid #eee}.policy-section:last-child{border-bottom:none}.policy-section h2{font-size:1.6rem;margin-bottom:1rem;color:#2c3e50}.policy-section h3{font-size:1.25rem;margin:1.5rem 0 .8rem;color:#34495e}.policy-content p{line-height:1.7;margin-bottom:1rem;color:#4a5568}.policy-content ul{margin:1rem 0 1.5rem 1.5rem}.policy-content li{margin-bottom:.7rem;line-height:1.6}.policy-content a{color:#1a73e8;text-decoration:underline}.policy-content a:hover{color:#0d47a1}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0003;display:flex;align-items:center;justify-content:center;z-index:1000}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.article-source{font-size:.75rem;color:#666;font-style:italic;margin-right:auto}.dark-mode .article-source{color:#aaa}