*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #22c55e;--primary-dark: #16a34a;--primary-light: #4ade80;--secondary-color: #f97316;--danger-color: #ef4444;--warning-color: #f59e0b;--success-color: #10b981;--dark-color: #0f172a;--light-color: #f8fafc;--gray-color: #64748b;--gray-light: #cbd5e1;--gray-dark: #475569;--white: #ffffff;--border-color: #e2e8f0;--border-radius: 12px;--box-shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--white);min-height:100vh;color:var(--dark-color);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:20px}.btn{padding:12px 24px;border:none;border-radius:var(--border-radius);font-size:16px;font-weight:600;cursor:pointer;transition:var(--transition);text-decoration:none;display:inline-block;text-align:center}.btn-primary{background-color:var(--primary-color);color:var(--white);font-weight:600}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 20px #22c55e4d}.btn-secondary{background-color:var(--light-color);color:var(--dark-color);border:2px solid var(--border-color);font-weight:600}.btn-secondary:hover{background-color:var(--gray-light);border-color:var(--gray-color);transform:translateY(-1px)}.btn-google{background-color:var(--white);color:var(--dark-color);border:1px solid #dadce0;display:flex;align-items:center;justify-content:center;gap:10px}.btn-google:hover{background-color:#f8f9fa;box-shadow:0 1px 6px #0000001a}.btn-full{width:100%}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:600;color:var(--dark-color)}.form-control{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:var(--border-radius);font-size:16px;transition:var(--transition);font-family:inherit}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2ecc711a}.form-control.error{border-color:var(--danger-color)}.error-message{color:var(--danger-color);font-size:14px;margin-top:5px;display:block}.alert{padding:12px 16px;border-radius:var(--border-radius);margin-bottom:20px}.alert-danger{background-color:#fee;color:var(--danger-color);border:1px solid var(--danger-color)}.alert-warning{background-color:#fff8e1;color:#f57c00;border:1px solid #ffb74d}.alert-success{background-color:#efe;color:var(--secondary-color);border:1px solid var(--secondary-color)}.text-center{text-align:center}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}a{color:var(--primary-color);text-decoration:none;transition:var(--transition)}a:hover{color:var(--secondary-color);text-decoration:underline}.spinner{border:3px solid #f3f3f3;border-top:3px solid var(--primary-color);border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading{opacity:.6;pointer-events:none}