:root{--primary: #0891b2;--primary-dark: #0e7490;--primary-light: #06b6d4;--primary-lighter: #67e8f9;--secondary: #1e40af;--secondary-dark: #1e3a8a;--secondary-light: #3b82f6;--secondary-lighter: #93c5fd;--accent: #0d9488;--accent-dark: #0f766e;--accent-light: #14b8a6;--accent-lighter: #5eead4;--success: #059669;--success-light: #10b981;--danger: #dc2626;--danger-light: #ef4444;--warning: #d97706;--warning-light: #f59e0b;--info: #0284c7;--info-light: #0ea5e9;--background: #ffffff;--background-dark: #f1f5f9;--card: #ffffff;--card-dark: #f8fafc;--text: #0f172a;--text-light: #475569;--text-lighter: #64748b;--border: #e2e8f0;--border-dark: #cbd5e1;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--gradient-primary: linear-gradient(135deg, #0891b2, #0d9488);--gradient-secondary: linear-gradient(135deg, #1e40af, #0891b2);--gradient-accent: linear-gradient(135deg, #0d9488, #14b8a6);--primary-rgb: 8, 145, 178}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;color:var(--text);background-color:var(--background)}a{color:var(--primary);text-decoration:none}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1rem}.card{background-color:var(--card);border-radius:.5rem;box-shadow:var(--shadow);padding:1.5rem;margin-bottom:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:.375rem;border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow)}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-dark),var(--accent-dark));transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--gradient-secondary);color:#fff;box-shadow:var(--shadow)}.btn-secondary:hover{background:linear-gradient(135deg,var(--secondary-dark),var(--primary-dark));transform:translateY(-1px);box-shadow:var(--shadow-md)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}.typing-indicator{display:inline-flex;align-items:center;gap:2px}.typing-indicator span{width:6px;height:6px;border-radius:50%;background-color:var(--text-light);animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}