/* ===== 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);
}
.sec-header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1%;
}

/* ===== Hero Quick Actions ===== */
.hero-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 1.1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-hero-primary {
    background-color: var(--warna-gelap);
    color: var(--warna-putih);
}

.btn-hero-primary:hover {
    background-color: #393E46;
    color: var(--warna-putih);
    text-decoration: none;
}

.btn-hero-secondary {
    background-color: #e2e8f0;
    color: var(--warna-gelap);
}

.btn-hero-secondary:hover {
    background-color: #cbd5e1;
    text-decoration: none;
}

/* ===== Dashboard Grid (Mobile Default) ===== */
main.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

main.dashboard-grid .sec-hero {
    border-left: 5px solid var(--warna-gelap);
    margin-bottom: 0;
}

main.dashboard-grid .sec-hero h2 {
    font-size: 1.35rem;
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

main.dashboard-grid .sec-hero p {
    color: #555;
    font-size: 0.95rem;
}

main.dashboard-grid .sec-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 0;
}

main.dashboard-grid .sec-stats h2 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

main.dashboard-grid .sec-stats article {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.25rem;
    border-radius: 6px;
    background-color: var(--warna-abu);
    border-left: 4px solid var(--warna-aksen);
    text-align: left;
}

main.dashboard-grid .sec-stats article:nth-of-type(1) {
    border-left-color: #2067e9; /* Aksen Buku: Biru */
}

main.dashboard-grid .sec-stats article:nth-of-type(2) {
    border-left-color: #10b981; /* Aksen Anggota: Hijau */
}

main.dashboard-grid .sec-stats article:nth-of-type(3) {
    border-left-color: #f59e0b; /* Aksen Sedang Dipinjam: Kuning Amber */
}

main.dashboard-grid .sec-stats article h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--warna-terang);
    margin: 0;
    white-space: nowrap;
}

main.dashboard-grid .sec-stats article p {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--warna-putih);
    margin: 0;
    line-height: 1;
} 

/* ===== Kartu Statistik (CSS Grid) ===== */
main section:nth-of-type(2) {
    display: grid;
    grid-template-columns: repeat(3, 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;
    display: flex;
    justify-content: space-between;
}

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

main section:nth-of-type(2) article p {
    font-size: 2rem;
    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;
    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;
}

/* Jobsheet 3: pola responsif Pak Dimas, disesuaikan dengan tema Jobsheet 2. */
header {
    position: relative;
    gap: 0.75rem;
}

section {
    min-width: 0;
}

.table-responsive {
    max-width: 100%;
    overflow-x: auto;
}

.table-responsive table {
    min-width: 640px;
}

td:last-child {
    white-space: nowrap;
}

/* Checkbox tetap dapat difokuskan dan diubah dengan tombol Space. */
.sr-only,
.nav-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.nav-toggle-label {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    font-size: 1.6rem;
    cursor: pointer;
}

.nav-toggle:focus-visible + .nav-toggle-label {
    outline: 2px solid var(--warna-aksen);
    outline-offset: 3px;
}

header nav {
    display: none;
    width: 100%;
    order: 3;
}

.nav-toggle:checked ~ nav {
    display: block;
}

header nav.nav-open {
    display: block;
}

.nav-toggle-label {
    color: var(--warna-terang);
    background: none;
    border: 0;
}

.nav-toggle-label:hover {
    color: var(--warna-aksen);
}

.search-box {
    margin-bottom: 1rem;
}

.search-box label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.search-box input {
    width: 100%;
    max-width: 360px;
    padding: 0.55rem 0.7rem;
    border: 1px solid #cdd4da;
    border-radius: 4px;
    font-size: 1rem;
}

.error {
    display: block;
    margin-top: 0.25rem;
    color: var(--warna-hapus);
    font-size: 0.85rem;
}

header nav ul {
    flex-direction: column;
    gap: 0.25rem;
}

header nav a {
    display: block;
    padding: 0.6rem 0;
}

main {
    margin: 1rem auto;
    padding: 0 1rem;
}

section {
    padding: 1rem;
}

main section:nth-of-type(2) {
    grid-template-columns: 1fr;
}

form input,
form select {
    max-width: 100%;
}

/* Tablet: dua kartu, menu tetap hamburger sampai lebar 768px. */
@media (min-width: 481px) {
    main section:nth-of-type(2) {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .nav-toggle,
    .nav-toggle-label {
        display: none;
    }

    header nav {
        display: block;
        width: auto;
        order: initial;
    }

    header nav ul {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.25rem;
    }

    main {
        max-width: 900px;
        margin: 2rem auto;
        padding: 0 1.5rem;
    }

    section {
        padding: 1.5rem;
    }

    form input,
    form select {
        max-width: 400px;
    }

    /* Desktop Dashboard: 2 Kolom Sejajar & Seimbang (50% : 50%) */
    main.dashboard-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
        align-items: stretch;
    }

    main.dashboard-grid section {
        margin-bottom: 0;
    }

    main.dashboard-grid .sec-hero {
        padding: 2rem;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    main.dashboard-grid .sec-hero h2 {
        font-size: 1.45rem;
        line-height: 1.35;
    }

    main.dashboard-grid .sec-stats {
        padding: 1.5rem;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 0.75rem;
    }

    main.dashboard-grid .sec-stats article {
        padding: 0.9rem 1.25rem;
    }

    main.dashboard-grid .sec-stats article h3 {
        font-size: 0.95rem;
        white-space: nowrap;
    }

    main.dashboard-grid .sec-stats article p {
        font-size: 1.65rem;
    }
}

/* Desktop: kartu statistik halaman non-dashboard */
@media (min-width: 1024px) {
    main:not(.dashboard-grid) section:nth-of-type(2) {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}