.btn-primary {
    box-shadow: 0 4px 15px rgba(0, 128, 208, 0.3);
    background: linear-gradient(135deg, #0080d0 0%, #00a3ff 100%);
    background-color: #0080d0;
    border: none;
    display: inline-block;
    cursor: pointer;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 25px;
    text-decoration: none;
    margin-top: 3px;
    border-radius: 25px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0073cc 0%, #0099ff 100%);
    background-color: #0073cc;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 128, 208, 0.4);
    text-decoration: none;
    color: white;
}

.btn-primary:focus {
    outline: none;
    color: white;
    background: linear-gradient(135deg, #0073cc 0%, #0099ff 100%);
    box-shadow: 0 0 0 0.25rem rgba(0, 128, 208, 0.25);
}

.btn-primary:active {
    position: relative;
    top: 1px;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-sm {
    padding: 6px 15px;
    font-size: 0.85rem;
    color:white;
}

.btn-success {
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    border: none;
    color: white;
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838 0%, #1c7430 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
    text-decoration: none;
    color: white;
}

.btn-danger {
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border: none;
    color: white;
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.4);
    text-decoration: none;
    color: white;
}

.btn-info {
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.3);
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    border: none;
    color: white;
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-info:hover {
    background: linear-gradient(135deg, #138496 0%, #117a8b 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(23, 162, 184, 0.4);
    text-decoration: none;
    color: white;
}