:root{--primary:#667eea;--primary-dark:#764ba2;--secondary:#f093fb;--success:#4ade80;--error:#ef4444;--warning:#fbbf24;--text-primary:#1f2937;--text-secondary:#6b7280;--bg-primary:#fff;--bg-secondary:#f9fafb;--border:#e5e7eb;--shadow:rgba(0,0,0,.1)}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{color:var(--text-primary);background:var(--bg-secondary)}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background:var(--bg-primary);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px var(--shadow);transition:all .3s ease}.card:hover{box-shadow:0 4px 16px var(--shadow);transform:translateY(-2px)}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);color:#fff;box-shadow:0 4px 12px rgba(102,126,234,.3)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(102,126,234,.4)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-primary);border-color:var(--primary)}.input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:.95rem;transition:all .3s ease;outline:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(102,126,234,.1)}.input-error{border-color:var(--error)}.error-text{color:var(--error)}.error-text,.success-text{font-size:.85rem;margin-top:.25rem}.success-text{color:var(--success)}.spinner{border-top:3px solid var(--border);border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media (max-width:768px){.container{padding:0 .75rem}.card{padding:1rem}.btn{padding:.625rem 1.25rem;font-size:.9rem}}