:root {
    --primary-color: #0d47a1;
    --secondary-color: #1976d2;
    --text-color: #333;
    --bg-light: #f4f7f9;
    --border-color: #e0e0e0;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-light);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 0 2em;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
}

.logo img {
    height: 50px;
    margin-right: 15px;
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 2em;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}

.main-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}


.main-content {
    flex: 1; /* Membuat konten utama mengisi ruang yang tersisa */
    padding: 2em;
}

.main-footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1.5em 2em;
    margin-top: auto; /* Mendorong footer ke bawah */
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}
.footer-bottom {
    text-align: right;
    margin-top: 1em;
    font-size: 0.9rem;
}
/* -- Tombol Hamburger -- */
.hamburger-menu {
    display: none; /* Sembunyikan di layar besar */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.hamburger-menu span {
    width: 30px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

/* -- Aturan Media Query untuk Layar Kecil (Tablet/HP) -- */
@media (max-width: 820px) {
    .main-nav {
        position: absolute;
        top: 70px; /* Tinggi header */
        left: 0;
        width: 100%;
        background-color: #fff;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);

        /* Sembunyikan menu secara default */
        transform: translateY(-120%);
        transition: transform 0.3s ease-in-out;
    }

    .main-nav.is-active {
        transform: translateY(0); /* Tampilkan menu saat aktif */
    }

    .main-nav ul {
        flex-direction: column; /* Ubah menu jadi vertikal */
        align-items: center;
        padding: 1em 0;
        gap: 0;
    }

    .main-nav li {
        width: 100%;
        text-align: center;
    }

    .main-nav a {
        display: block;
        padding: 1em;
        width: 100%;
    }

    .main-nav a::after {
        /* Sembunyikan garis bawah di tampilan mobile */
        display: none;
    }

    .hamburger-menu {
        display: flex; /* Tampilkan tombol hamburger di layar kecil */
    }
}
/* Tambahkan di akhir file app-layout.css */
@media (max-width: 400px) {
    .form-container {
        /* Perkecil padding untuk layar HP */
        padding: 1.5em 1em;
    }
}
@media (max-width: 400px) {
    .main-content {
        /* Perkecil padding utama di layar HP */
        padding: 1em;
    }

    .main-header {
        /* Perkecil juga padding header agar lebih pas */
        padding: 0 1em;
    }
}