/* ===== Reset & Base ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--warna-gelap);
    background-color: var(--warna-terang);
    line-height: 1.5;
}

a {
    color: #1d5b8a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ===== Header & Navbar (Flexbox) ===== */
header {
    background-color: var(--warna-gelap);
    color: var(--warna-terang);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

header h1 {
    font-size: 1.4rem;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 1.25rem;
}

header nav a {
    color: var(--warna-terang);
    font-weight: 500;
}

header nav a:hover {
    color: var(--warna-aksen);
    text-decoration: none;
}

/* ===== Main Layout ===== */
main {
    max-width: 850px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

section {
    background-color: var(--warna-putih);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

section h2 {
    margin-bottom: 1rem;
    color: var(--warna-gelap);
}

/* ===== Kartu Statistik (CSS Grid) ===== */
main section:nth-of-type(2) {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 0.5rem;
}

main section:nth-of-type(2) h2 {
    grid-column: 1 / -1;
}

main section:nth-of-type(2) article {
    background-color: var(--warna-abu);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
}

main section:nth-of-type(2) article h3 {
    font-size: 0.95rem;
    color: var(--warna-terang);
    margin-bottom: 0.5rem;
}

main section:nth-of-type(2) article p {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--warna-putih);
}

/* ===== Tabel ===== */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid #e2e6ea;
}

thead {
    background-color: var(--warna-gelap);
    color: var(--warna-putih);
}

tbody tr:nth-child(even) {
    background-color: var(--warna-terang);
}

tbody tr:hover {
    background-color: var(--warna-putih);
}

.btn-aksi {
    display: inline-block;
    min-width: 65px;
    text-align: center;
    padding: 0.35rem 0.7rem;
    margin-right: 0.35rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    line-height: 1.5;
    text-decoration: none;
    vertical-align: middle;
}

.btn-edit {
    background-color: #f0ad4e;
    color: #fff;
}

.btn-edit:hover {
    background-color: #d8942f;
    text-decoration: none;
}

.btn-hapus {
    background-color: #d9534f;
    color: #fff;
}

.btn-hapus:hover {
    background-color: #b93e3a;
}

.btn-tambah {
    display: inline-block;
    background-color: #198754;
    color: white;
    padding: 0.55rem 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.btn-tambah:hover {
    background-color: #146c43;
    text-decoration: none;
}

/* ===== Form ===== */
form p {
    margin-bottom: 1rem;
}

form label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    color: #444;
}

form input,
form select {
    width: 100%;
    max-width: 400px;
    padding: 0.55rem 0.7rem;
    border: 1px solid #cdd4da;
    border-radius: 4px;
    font-size: 1rem;
}

form button[type="submit"] {
    background-color: #1d5b8a;
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

form button[type="submit"]:hover {
    background-color: #164869;
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 1.25rem;
    color: #7a8794;
    font-size: 0.9rem;
}

/* color palette */
:root {
    --warna-gelap: #222831;
    --warna-abu: #393E46;
    --warna-aksen: #c9c9c9;
    --warna-terang: #EEEEEE;
    --warna-putih: #FFFFFF;
    --warna-hapus: #D9534F;
}