:root {
    --primary-purple: #6a00a0;
    --light-gray: #f0f0f5;
    --dark-text: #333;
    --light-text: #888;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background-color: var(--light-gray);
    color: var(--dark-text);
}

.theme-container {
    max-width: 960px;
    margin: 40px auto;
    padding: 20px;
}

.theme-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.theme-header h1 {
    font-size: 2rem;
    color: var(--primary-purple);
    margin: 0;
    flex-grow: 1;
    text-align: center;
}

.header-subtitle {
    text-align: center;
    color: var(--light-text);
    margin-bottom: 40px;
}

.back-button {
    color: var(--dark-text);
    text-decoration: none;
    background-color: #fff;
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.back-button:hover {
    background-color: var(--light-gray);
    transform: scale(1.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    padding: 5px 10px 5px 5px;
    border-radius: 20px;
}
.user-info .avatar {
    width: 30px;
    height: 30px;
    background-color: var(--primary-purple);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}
.user-info span {
    font-weight: 500;
}

/* =======================================================
   KODE BARU UNTUK STRUKTUR TEMA
   ======================================================= */
.theme-section {
    margin-bottom: 40px; /* Jarak antar tingkatan tema */
}

.tier-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.theme-grid {
    display: grid;
    /* Di layar besar, akan otomatis mengisi hingga 3 kolom */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
/* ======================================================= */


.theme-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.theme-card.active {
    border-color: var(--primary-purple);
    box-shadow: 0 8px 30px rgba(106, 0, 160, 0.2);
}

.theme-card:hover {
    transform: translateY(-5px);
}

.theme-preview {
    height: 180px;
    padding: 15px;
    display: flex;
    gap: 10px;
}
.preview-sidebar { width: 25%; background-color: rgba(0,0,0,0.2); border-radius: 8px; }
.preview-header { height: 30px; background-color: rgba(0,0,0,0.3); border-radius: 8px; }
.preview-content { flex-grow: 1; background-color: rgba(255,255,255,0.7); border-radius: 8px; }

/* Warna Preview Tema */
.theme-default { background: linear-gradient(45deg, #7C3AED, #4F46E5); }
.theme-jagoan-cuan { background: linear-gradient(45deg, #EC4899, #F97316); }
.theme-sultan-arisan { background: linear-gradient(45deg, #4B5563, #1F2937); }
.theme-ocean-blue { background: linear-gradient(45deg, #3B82F6, #06B6D4); }
.theme-forest-green { background: linear-gradient(45deg, #15803D, #16A34A); }

.theme-info {
    padding: 20px;
    text-align: center;
}

.theme-info h4, .theme-info h5 { /* Ubah h3 menjadi h4/h5 agar lebih kecil */
    margin: 0 0 15px;
    font-size: 1.1rem; /* Sedikit diperkecil */
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-height: 50px; /* Beri tinggi minimum agar sejajar */
}

.premium-badge {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 12px;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.premium-badge.sultan { background-color: #334155; }
.premium-badge { background-color: #D97706; }
.premium-badge i { width: 14px; height: 14px; }


.btn-apply {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
    border: none;
    transition: all 0.2s;
}

.btn-apply:not(:disabled) {
    background-color: var(--primary-purple);
    color: white;
}
.btn-apply:not(:disabled):hover {
    background-color: #5a0080;
    transform: scale(1.02);
}
.btn-apply:disabled {
    background-color: #E5E7EB;
    color: #9CA3AF;
    cursor: not-allowed;
}
.btn-apply.active {
    background-color: #10B981;
    color: white;
    cursor: default;
}


/* Modal Notifikasi */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.5); display: none; 
    justify-content: center; align-items: center; z-index: 1002;
    opacity: 0; transition: opacity 0.3s ease;
}
.modal-overlay.active { display: flex; opacity: 1; }
.modal-content {
    background-color: var(--card-bg); padding: 1.5rem;
    border-radius: 15px; width: 90%; max-width: 400px;
    text-align: center;
}
#notification-message { font-weight: 500; color: var(--dark-text); }
#close-notification-modal {
    width: 100%; margin-top: 1rem; background-color: var(--primary-purple);
    color: white; padding: 10px; border: none; border-radius: 8px; cursor: pointer;
}

/* KODE BARU UNTUK TAMPILAN RESPONSIVE */
@media (max-width: 768px) {
    .theme-container {
        padding: 15px;
    }
    
    .theme-grid {
        grid-template-columns: repeat(2, 1fr); /* Atur menjadi 2 kolom */
        gap: 15px;
    }

    .theme-preview {
        height: 120px;
    }

    .theme-info {
        padding: 15px;
    }

    .theme-info h4, .theme-info h5 {
        font-size: 0.9rem; /* Perkecil lagi font di mobile */
        min-height: 40px;
    }
}

@media (max-width: 480px) {
    .theme-header h1 { 
        font-size: 1.5rem; 
    }
    .user-info { 
        display: none; 
    }
}