* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #000000;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.content-wrapper {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    padding: 4rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 500px;
    width: 100%;
    backdrop-filter: blur(10px);
}

.logo {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.logo img {
    max-width: 250px;
    height: auto;
    object-fit: contain;
}

.card h1 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 2rem;
    line-height: 1.3;
}

.card p {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.login-form {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e1e1;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus {
    outline: none;
    border-color: #594BDB;
    box-shadow: 0 0 0 3px rgba(89, 75, 219, 0.1);
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.login-btn {
    background-color: #594BDB;
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.login-btn:hover {
    background-color: #4a3eb8;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .card {
        padding: 2rem;
        margin: 1rem;
    }

    .card h1 {
        font-size: 1.8rem;
    }

    .card p {
        font-size: 1rem;
    }

    .logo img {
        max-width: 180px;
    }

    .form-group input {
        padding: 0.8rem;
    }
}