.seller-login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.seller-login-card{background:#fff;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:40px;width:100%;max-width:420px}.seller-login-header{text-align:center;margin-bottom:32px}.seller-login-header h1{font-size:28px;font-weight:700;color:#1a202c;margin:0 0 8px}.seller-login-header p{font-size:14px;color:#718096;margin:0}.seller-login-form{display:flex;flex-direction:column;gap:20px}.seller-login-error{background-color:#fed7d7;color:#c53030;padding:12px 16px;border-radius:8px;font-size:14px;border:1px solid #fc8181}.seller-login-field{display:flex;flex-direction:column;gap:8px}.seller-login-field label{font-size:14px;font-weight:600;color:#2d3748}.seller-login-field input{padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:16px;transition:all .2s ease;background-color:#fff}.seller-login-field input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.seller-login-field input::placeholder{color:#a0aec0}.seller-login-button{margin-top:8px;padding:14px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.seller-login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px rgba(102,126,234,.3)}.seller-login-button:active:not(:disabled){transform:translateY(0)}.seller-login-button:disabled{opacity:.6;cursor:not-allowed}.seller-login-footer{margin-top:24px;text-align:center}.seller-login-footer p{font-size:14px;color:#718096;margin:0}