:root {
    --primary-color: #0e19ff;
    --primary-hover: #0b14cc;
}

body {
    background-color: #f8f9fa;
    height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.login-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(14, 25, 255, 0.25);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* Responsive tasarım */
@media (max-width: 576px) {
    .login-container {
        padding: 15px;
    }
    
    .login-box {
        padding: 20px;
    }
}