:root {
    --ink: #172033;
    --muted: #5b677a;
    --line: #d9e0ea;
    --soft: #f5f7fb;
    --accent: #0f766e;
    --accent-dark: #0b5f59;
    --warn: #fff7ed;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.65;
}

a {
    color: var(--accent-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(18px, 4vw, 56px);
    border-bottom: 1px solid var(--line);
    background: #ffffff;
}

.brand {
    position: relative;
    display: block;
    width: 260px;
    height: 54px;
    max-width: 52vw;
    overflow: hidden;
    text-decoration: none;
}

.brand img {
    position: absolute;
    top: 50%;
    left: 0;
    width: 260px;
    max-width: none;
    height: auto;
    transform: translateY(-50%);
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 14px;
}

.section {
    width: min(1120px, calc(100% - 36px));
    margin: 0 auto;
    padding: 54px 0;
}

.narrow {
    width: min(780px, calc(100% - 36px));
}

.hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 36px;
    align-items: center;
    min-height: 520px;
    margin-top: 24px;
    padding: 64px clamp(22px, 5vw, 64px);
    overflow: hidden;
    border-radius: 8px;
    background:
        linear-gradient(90deg, rgba(14, 24, 38, 0.84), rgba(14, 24, 38, 0.58) 48%, rgba(14, 24, 38, 0.22)),
        url('/assets/hero-jurnal-informatika.png') center / cover no-repeat;
    color: #ffffff;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero .eyebrow,
.hero .lead {
    color: #d7f7f2;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1, h2, h3 {
    margin: 0 0 14px;
    line-height: 1.2;
}

h1 {
    font-size: clamp(34px, 5vw, 58px);
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 18px;
}

.lead {
    color: var(--muted);
    font-size: 19px;
}

.meta {
    color: var(--muted);
    font-size: 14px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.button {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 6px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.button.secondary {
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--ink);
}

.panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--soft);
    padding: 22px;
}

.hero .panel {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
}

.hero .panel .eyebrow {
    color: var(--accent-dark);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.card > :not(.card-image) {
    margin-left: 20px;
    margin-right: 20px;
}

.card > .eyebrow {
    margin-top: 20px;
}

.card p:last-child {
    margin-bottom: 20px;
}

.card-image {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--soft);
}

.card-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-cover {
    margin: 28px 0 30px;
}

.article-cover img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
    background: var(--soft);
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
}

table {
    width: 100%;
    min-width: 780px;
    border-collapse: collapse;
    background: #ffffff;
}

th, td {
    padding: 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--soft);
    font-size: 14px;
}

.empty {
    padding: 22px;
    background: var(--warn);
    border: 1px solid #fed7aa;
    border-radius: 8px;
}

.breadcrumb {
    margin-bottom: 28px;
    color: var(--muted);
}

.article {
    font-size: 17px;
}

.article .lead {
    margin-bottom: 30px;
}

.article h2 {
    margin-top: 40px;
    padding-top: 6px;
}

.article h3 {
    margin-top: 26px;
}

.article ul,
.article ol {
    margin: 0 0 22px;
    padding-left: 24px;
}

.article li {
    margin-bottom: 9px;
}

.article li::marker {
    color: var(--accent-dark);
    font-weight: 700;
}

.article p + ul,
.article p + ol {
    margin-top: -4px;
}

.related-articles {
    margin-top: 42px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
}

.related-articles h2 {
    margin-top: 0;
}

.related-articles ul {
    display: grid;
    gap: 10px;
    padding-left: 20px;
}

.callout {
    margin-top: 34px;
    padding: 18px;
    border-left: 4px solid var(--accent);
    background: var(--soft);
}

.site-footer {
    padding: 28px clamp(18px, 4vw, 56px);
    border-top: 1px solid var(--line);
    color: var(--muted);
    background: var(--soft);
}

.site-footer p {
    max-width: 960px;
    margin: 0;
}

@media (max-width: 820px) {
    .site-header,
    .hero {
        display: block;
    }

    .site-header nav {
        margin-top: 12px;
    }

.hero .panel {
        margin-top: 28px;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}

.admin-body {
    background: #eef3f2;
}

.auth-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.auth-card {
    width: min(420px, 100%);
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 18px 50px rgba(23, 32, 51, 0.12);
}

.auth-card label {
    display: grid;
    gap: 7px;
    margin-bottom: 16px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.auth-card input {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    font: inherit;
}

.auth-error {
    padding: 10px 12px;
    border: 1px solid #fecaca;
    border-radius: 6px;
    background: #fef2f2;
    color: #991b1b;
}

.auth-success {
    padding: 10px 12px;
    border: 1px solid #bbf7d0;
    border-radius: 6px;
    background: #f0fdf4;
    color: #166534;
}

.admin-shell {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    padding: 22px;
    background: #10201f;
    color: #ffffff;
}

.admin-brand {
    display: block;
    margin-bottom: 28px;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.admin-menu {
    display: grid;
    gap: 8px;
}

.admin-menu a {
    padding: 11px 12px;
    border-radius: 6px;
    color: #d7f7f2;
    text-decoration: none;
}

.admin-menu a.active,
.admin-menu a:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.admin-main {
    padding: 28px;
}

.admin-topbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 28px;
    color: var(--muted);
    font-size: 14px;
}

.admin-section {
    margin-bottom: 28px;
}

.admin-form {
    display: grid;
    gap: 16px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.admin-form label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.admin-form input,
.admin-form textarea {
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    font: inherit;
}

.admin-form textarea {
    resize: vertical;
}

.quill-editor {
    min-height: 280px;
    background: #ffffff;
}

.admin-form .ql-toolbar.ql-snow,
.admin-form .ql-container.ql-snow {
    border-color: var(--line);
}

.admin-form .ql-toolbar.ql-snow {
    border-radius: 6px 6px 0 0;
}

.admin-form .ql-container.ql-snow {
    border-radius: 0 0 6px 6px;
    color: var(--ink);
    font: 16px Arial, Helvetica, sans-serif;
}

.admin-form .ql-editor {
    min-height: 280px;
    line-height: 1.65;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.check-label {
    align-content: end;
}

.check-label input {
    width: auto;
    min-height: 0;
    margin-right: 8px;
}

.row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.row-actions form {
    margin: 0;
}

.row-actions button {
    padding: 0;
    border: 0;
    background: transparent;
    color: #991b1b;
    cursor: pointer;
    font: inherit;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.metric-card,
.profile-card,
.admin-table {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.metric-card {
    padding: 20px;
}

.metric-card span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.metric-card strong {
    display: block;
    margin: 8px 0;
    font-size: 34px;
    line-height: 1;
}

.admin-table {
    overflow-x: auto;
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.inline-form span {
    color: var(--muted);
}

.serp-preview {
    max-width: 680px;
    margin-top: 24px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.serp-preview > span {
    display: block;
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.serp-url {
    margin-bottom: 6px;
    overflow-wrap: anywhere;
    color: #166534;
    font-size: 14px;
}

.serp-preview h2 {
    margin: 0 0 6px;
    color: #1a0dab;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.25;
}

.serp-preview p {
    margin-bottom: 8px;
}

.serp-counts {
    color: var(--muted);
    font-size: 13px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.media-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.media-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--soft);
}

.media-card-body {
    padding: 16px;
}

.media-card-body h3 {
    font-size: 17px;
}

.media-card-body code {
    display: block;
    margin-top: 8px;
    overflow-wrap: anywhere;
    color: var(--muted);
    font-size: 12px;
}

.status {
    display: inline-flex;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.status.ok {
    background: #dcfce7;
    color: #166534;
}

.status.warning {
    background: #fef3c7;
    color: #92400e;
}

.status.bad {
    background: #fee2e2;
    color: #991b1b;
}

.profile-card {
    padding: 22px;
}

.profile-card dl {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 10px 18px;
    margin: 0;
}

.profile-card dt {
    color: var(--muted);
    font-weight: 700;
}

.profile-card dd {
    margin: 0;
}

@media (max-width: 820px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }

    .metric-grid {
        grid-template-columns: 1fr;
    }

    .media-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .profile-card dl {
        grid-template-columns: 1fr;
    }
}