:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --text: #17202a;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --border: #e5e7eb;
    --danger: #b91c1c;
    --success-bg: #e8f7ee;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.55;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.narrow {
    max-width: 760px;
}

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner,
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 72px;
}

.logo,
.admin-logo {
    font-size: 20px;
    font-weight: 800;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--muted);
    font-weight: 700;
}

.main-nav a:hover,
.read-more:hover,
.filter-links a:hover {
    color: var(--primary);
}

.page-band,
.form-page {
    padding: 36px 0 56px;
}

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 32px;
    align-items: start;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.section-header h1,
.article-header h1,
.auth-card h1,
.install-card h1 {
    margin: 0;
    font-size: 34px;
    line-height: 1.15;
}

.search-box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    margin-bottom: 24px;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    padding: 11px 12px;
}

textarea {
    resize: vertical;
}

button,
.button,
.search-box button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: 10px 14px;
    text-align: center;
}

.button-primary,
.search-box button {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

.button-primary:hover,
.search-box button:hover {
    background: var(--primary-dark);
}

.button-danger {
    border-color: var(--danger);
    color: var(--danger);
}

.button-small {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 14px;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.compact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-card {
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.article-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.article-card-body {
    padding: 18px;
}

.article-card h2 {
    margin: 8px 0 10px;
    font-size: 21px;
    line-height: 1.25;
}

.article-card p {
    margin: 0 0 14px;
    color: var(--muted);
}

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

.read-more {
    color: var(--primary);
    font-weight: 800;
}

.sidebar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
}

.sidebar h2,
.related-section h2,
.article-tags h2 {
    margin-top: 0;
    font-size: 20px;
}

.tag-cloud,
.inline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-cloud a,
.inline-tags a,
.inline-tags span {
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #f9fafb;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    padding: 6px 10px;
}

.tag-cloud a:hover,
.inline-tags a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.pagination a {
    min-width: 38px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    padding: 8px 12px;
    text-align: center;
}

.pagination a.active {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

.article-page {
    max-width: 900px;
    padding-top: 36px;
    padding-bottom: 56px;
}

.article-header {
    margin-bottom: 24px;
}

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

.article-main-image {
    width: 100%;
    border-radius: 8px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    margin-bottom: 28px;
}

.article-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 26px;
    font-size: 18px;
}

.article-tags,
.article-nav,
.related-section {
    margin-top: 28px;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.panel-form {
    display: grid;
    gap: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 22px;
}

.panel-form label {
    display: grid;
    gap: 7px;
    font-weight: 800;
}

.honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.empty-state,
.alert {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
}

.alert {
    margin: 18px 0;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
}

.alert-error {
    background: var(--error-bg);
    color: var(--error-text);
}

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    color: var(--muted);
}

.admin-body {
    background: #eef2f7;
}

.admin-shell {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    background: #111827;
    color: #ffffff;
    padding: 24px;
}

.admin-sidebar nav {
    display: grid;
    gap: 8px;
    margin-top: 24px;
}

.admin-sidebar a {
    border-radius: 8px;
    color: #e5e7eb;
    padding: 10px 12px;
}

.admin-sidebar a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.admin-main {
    padding: 28px;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.admin-topbar h1 {
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
}

.stat-card span {
    color: var(--muted);
    display: block;
}

.stat-card strong {
    display: block;
    font-size: 30px;
    margin-top: 8px;
}

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.filter-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-links a {
    color: var(--muted);
    font-weight: 800;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--border);
    padding: 12px;
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background: #f9fafb;
    font-size: 13px;
    text-transform: uppercase;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.actions form {
    margin: 0;
}

.status-pill {
    display: inline-block;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
    font-size: 13px;
    font-weight: 800;
    padding: 4px 8px;
}

.editor-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 18px;
    align-items: start;
}

.current-image img {
    border-radius: 8px;
    margin-bottom: 8px;
}

.checkbox-row {
    display: flex !important;
    grid-template-columns: auto 1fr !important;
    align-items: center;
    gap: 8px !important;
}

.checkbox-row input {
    width: auto;
}

.auth-body {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 20px;
}

.auth-card,
.install-card {
    width: min(100%, 480px);
}

.install-card {
    width: min(100%, 900px);
}

.install-form fieldset {
    border: 1px solid var(--border);
    border-radius: 8px;
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 16px;
}

.install-form legend {
    font-weight: 800;
}

.ai-grid {
    display: grid;
    grid-template-columns: 420px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.ai-result {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 22px;
}

.ai-result textarea {
    min-height: 420px;
}

.generated-image {
    border-radius: 8px;
    margin-bottom: 12px;
}

.preview-article {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
}

code {
    background: #f3f4f6;
    border-radius: 6px;
    padding: 3px 6px;
}

@media (max-width: 980px) {
    .layout,
    .editor-grid,
    .ai-grid {
        grid-template-columns: 1fr;
    }

    .compact-grid,
    .article-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    .admin-sidebar nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .header-inner,
    .footer-inner,
    .section-header,
    .toolbar,
    .article-nav {
        align-items: stretch;
        flex-direction: column;
    }

    .main-nav {
        flex-wrap: wrap;
        gap: 10px;
    }

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

    .section-header h1,
    .article-header h1,
    .auth-card h1,
    .install-card h1 {
        font-size: 28px;
    }

    .admin-main {
        padding: 18px;
    }

    .admin-sidebar nav {
        grid-template-columns: 1fr;
    }
}