@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;900&display=swap');

:root {
    --text-dark: #2C3E50;
    --bg-light: #F7F9F9;
    --ipas: #2ECC71;
    --mtk: #E74C3C;
    --bindo: #3498DB;
    --pancasila: #9B59B6;
    --tik: #F39C12;
    --psikotest: #FF1493;
    --main-theme: #FF6B6B;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    margin: 0; padding: 0;
    display: flex; flex-direction: column; align-items: center; min-height: 100vh;
}

header {
    width: 100%; padding: 2rem 0; text-align: center; color: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-bottom-left-radius: 30px; border-bottom-right-radius: 30px;
    margin-bottom: 2rem;
}

header h1 { margin: 0; font-size: 2.5rem; letter-spacing: 1px; }
header p { margin: 10px 0 0; font-size: 1.2rem; font-weight: bold; color: #FFE66D; }

main { width: 90%; max-width: 1000px; flex: 1; margin-bottom: 40px; }

/* Grid Beranda & Sub-Menu */
.grid-container {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px;
}

a.card-link { text-decoration: none; color: inherit; display: block; }

.card {
    background: white; border-radius: 20px; padding: 30px 20px; text-align: center;
    box-shadow: 0 10px 15px rgba(0,0,0,0.05); transition: all 0.3s ease; border: 3px solid transparent;
}
.card:hover { transform: translateY(-10px); box-shadow: 0 15px 25px rgba(0,0,0,0.15); }

/* Tombol Kembali */
.top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.btn-back {
    background-color: var(--text-dark); color: white; text-decoration: none;
    padding: 10px 20px; border-radius: 50px; font-weight: bold; transition: 0.3s;
    display: inline-block; margin-top: 20px;
}
.btn-back:hover { background-color: #1a252f; }

/* Kolom HTML Kustom */
.html-container {
    background-color: white; border: 2px dashed #ccc; border-radius: 15px; padding: 20px;
    min-height: 400px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); width: 100%; box-sizing: border-box;
}
.placeholder-text { color: #999; text-align: center; font-style: italic; margin-top: 100px; }

/* Tema Warna per Halaman */
body.theme-main header { background: linear-gradient(135deg, var(--main-theme), #FF8E53); }
body.theme-ipas header { background: var(--ipas); }
body.theme-mtk header { background: var(--mtk); }
body.theme-bindo header { background: var(--bindo); }
body.theme-pancasila header { background: var(--pancasila); }
body.theme-tik header { background: var(--tik); }
body.theme-psikotest header { background: var(--psikotest); }

/* Warna Kartu di Beranda */
.card.c-ipas { border-color: var(--ipas); color: var(--ipas); }
.card.c-mtk { border-color: var(--mtk); color: var(--mtk); }
.card.c-bindo { border-color: var(--bindo); color: var(--bindo); }
.card.c-pancasila { border-color: var(--pancasila); color: var(--pancasila); }
.card.c-tik { border-color: var(--tik); color: var(--tik); }
.card.c-psikotest { border-color: var(--psikotest); color: var(--psikotest); }