* { margin: 0; padding: 0; box-sizing: border-box; }
.auth-page { min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-container { display: flex; background: white; border-radius: 24px; overflow: hidden; width: 100%; max-width: 1000px; min-height: 600px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); }
.auth-box { flex: 1; padding: 60px; display: flex; flex-direction: column; justify-content: center; }
.auth-banner { flex: 1; background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%); color: white; display: flex; align-items: center; justify-content: center; padding: 60px; }
.auth-header { margin-bottom: 40px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: #64748b; text-decoration: none; font-size: 14px; margin-bottom: 20px; transition: color 0.3s; }
.back-link:hover { color: #2563eb; }
.auth-header h1 { font-size: 32px; color: #1e293b; margin-bottom: 8px; }
.auth-header p { color: #64748b; font-size: 16px; }

.form-group { margin-bottom: 24px; }
.form-group label { display: block; margin-bottom: 8px; color: #374151; font-weight: 500; font-size: 14px; }
.form-group label i { margin-right: 6px; color: #2563eb; }
.form-group input[type="text"], .form-group input[type="tel"], .form-group input[type="password"], .form-group input[type="email"] { width: 100%; padding: 14px 16px; border: 2px solid #e5e7eb; border-radius: 12px; font-size: 16px; transition: all 0.3s; background: #f9fafb; }
.form-group input:focus { outline: none; border-color: #2563eb; background: white; }
.form-options { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; font-size: 14px; }
.checkbox { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox input[type="checkbox"] { width: 18px; height: 18px; accent-color: #2563eb; }
.form-options a { color: #2563eb; text-decoration: none; }
.form-options a:hover { text-decoration: underline; }
.btn-submit { width: 100%; padding: 16px; background: #2563eb; color: white; border: none; border-radius: 12px; font-size: 18px; font-weight: 600; cursor: pointer; transition: all 0.3s; display: flex; align-items: center; justify-content: center; gap: 8px; }
.btn-submit:hover { background: #1d4ed8; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.auth-footer { text-align: center; margin-top: 30px; color: #64748b; }
.auth-footer a { color: #2563eb; text-decoration: none; font-weight: 600; }

.banner-content h2 { font-size: 36px; margin-bottom: 20px; }
.banner-content p { font-size: 18px; opacity: 0.9; margin-bottom: 40px; }
.banner-content .features { list-style: none; }
.banner-content .features li { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-size: 16px; }
.banner-content .features i { width: 28px; height: 28px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; }

@media (max-width: 768px) {
    .auth-container { flex-direction: column-reverse; max-width: 100%; }
    .auth-banner { min-height: 200px; padding: 30px; }
    .auth-box { padding: 30px; }
    .banner-content h2 { font-size: 24px; }
    .banner-content .features { display: none; }
    .form-options { flex-direction: column; gap: 10px; align-items: flex-start; }
}
.spin { animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }