:root {
    --primary-color: #6d28d9; /* Ungu */
    --secondary-color: #1e3a8a; /* Biru Tua */
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    background-attachment: fixed;
    color: #f8f9fa; /* Teks terang */
    min-height: 100vh;
}

.navbar .navbar-brand {
    letter-spacing: 1px;
}

/* Glassmorphism Card Style */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); /* For Safari */
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    padding: 2.5rem;
}

.glass-card h1, .glass-card h2 {
    font-weight: 600;
}

/* Style untuk Textarea */
textarea.form-control {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    min-height: 200px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

textarea.form-control:focus {
    background: rgba(0, 0, 0, 0.4);
    border-color: rgba(118, 75, 224, 0.5);
    box-shadow: 0 0 0 0.25rem rgba(118, 75, 224, 0.25);
    color: #fff;
}

textarea.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Custom Button Style */
.btn-custom {
    background: var(--primary-color);
    border: none;
    color: #fff;
    font-weight: 500;
    padding: 10px 25px;
    transition: all 0.3s ease;
}

.btn-custom:hover, .btn-custom:focus {
    background: #5b21b6;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.dropdown-menu {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.1);
}

.dropdown-item {
    color: #f1f1f1;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: #fff;
}