body {
    /* Kargo temalı kaliteli bir arka plan görseli */
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    margin: 0;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    border: 1px solid rgba(255,255,255,0.2);
}

.brand-logo {
    display: block;
    margin: 0 auto 30px auto;
    max-width: 180px;
}

.card-title {
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 10px;
}

.card-text {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 30px;
}

.form-control {
    border-radius: 8px;
    height: 45px;
    border: 1px solid #ddd;
}

    .form-control:focus {
        border-color: #ed1c24;
        box-shadow: 0 0 0 0.2rem rgba(237, 28, 36, 0.1);
    }

.btn-login {
    background: #ed1c24;
    color: white;
    border: none;
    border-radius: 8px;
    height: 48px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    margin-top: 20px;
}

    .btn-login:hover {
        background: #be1e2d;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(237, 28, 36, 0.3);
        color: white;
    }

.forgot-password {
    font-size: 13px;
    color: #ed1c24;
    font-weight: 500;
}

.custom-control-label {
    font-size: 14px;
    cursor: pointer;
}

.signup-link {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: #666;
}

    .signup-link a {
        color: #ed1c24;
        font-weight: 600;
        text-decoration: none;
    }