body {
    font-family: 'Inter', sans-serif;
    /* Açık tema arkaplanı Tailwind sınıfları ile yönetiliyor (bg-slate-50) */
    background-image: 
        radial-gradient(at 0% 0%, hsla(217,100%,94%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(210,100%,97%,1) 0, transparent 50%);
    background-attachment: fixed;
}

@media (prefers-color-scheme: dark) {
    body {
        background-image: 
            radial-gradient(at 0% 0%, hsla(217,50%,15%,1) 0, transparent 50%), 
            radial-gradient(at 100% 0%, hsla(210,50%,10%,1) 0, transparent 50%);
    }
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

@media (prefers-color-scheme: dark) {
    .glass-card {
        background: rgba(30, 41, 59, 0.7); /* slate-800 equivalent */
    }
}