:root {
    --primary: #1e808d;
    --primary-dark: #0f3940;
    --primary-soft: #e8f5f7;
    --text: #142326;
    --muted: #637479;
    --border: #dce7ea;
    --surface: #ffffff;
    --background: #f8fbfb;
    --shadow: 0 10px 24px rgba(15, 57, 64, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

main {
    flex: 1;
}

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

a {
    color: inherit;
}

.container {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
}

.narrow {
    width: min(760px, calc(100% - 40px));
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 20;
    padding: 10px 14px;
    color: #ffffff;
    background: var(--primary-dark);
    border-radius: 6px;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 12px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 74px;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-dark);
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    color: #ffffff;
    background: var(--primary);
    border-radius: 7px;
    font-weight: 700;
}

.brand strong,
.footer-brand {
    display: block;
    font-size: 1rem;
    line-height: 1.2;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
}

.main-nav,
.footer-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a,
.main-nav button,
.footer-nav a,
.footer-nav button {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 700;
}

.main-nav a,
.main-nav button {
    padding: 9px 11px;
    border-radius: 6px;
}

.main-nav a:hover,
.main-nav a.is-active,
.main-nav button:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

.nav-logout-form,
.footer-logout-form,
.button-form {
    margin: 0;
}

.main-nav button,
.footer-nav button,
.button-form button {
    font: inherit;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.main-nav .login-button {
    margin-left: 4px;
    color: #ffffff;
    background: var(--primary);
}

.main-nav .login-button:hover {
    color: #ffffff;
    background: var(--primary-dark);
}

h1,
h2,
h3 {
    margin: 0;
    color: var(--primary-dark);
    line-height: 1.18;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 16px;
    border: 0;
    border-radius: 7px;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button-primary {
    color: #ffffff;
    background: var(--primary);
}

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

.button-light {
    color: var(--primary-dark);
    background: var(--primary-soft);
}

.button-light:hover {
    color: #ffffff;
    background: var(--primary-dark);
}

.blog-section,
.blog-overview {
    padding: 34px 0 64px;
}

.page-heading {
    max-width: 680px;
    margin-bottom: 26px;
}

.page-heading h1 {
    font-size: clamp(2rem, 4vw, 3rem);
}

.page-heading p {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 1.06rem;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
}

.section-heading h2 {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.search-form {
    margin-bottom: 24px;
}

.search-form label {
    display: block;
    margin-bottom: 7px;
    color: var(--primary-dark);
    font-weight: 800;
}

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

.search-row input {
    flex: 1;
    min-width: 0;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font: inherit;
}

.search-row input:focus {
    outline: 3px solid rgba(30, 128, 141, 0.18);
    border-color: var(--primary);
}

.text-link,
.read-more,
.back-link {
    color: var(--primary);
    font-weight: 800;
    text-decoration: none;
}

.text-link:hover,
.read-more:hover,
.back-link:hover {
    color: var(--primary-dark);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.empty-state {
    padding: 34px;
    color: var(--muted);
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.empty-state p {
    margin: 0;
    font-size: 1.02rem;
}

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

.blog-image-link {
    display: block;
    aspect-ratio: 16 / 9;
    background: var(--primary-soft);
}

.blog-image-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card-body {
    display: flex;
    min-height: 280px;
    flex-direction: column;
    padding: 20px;
}

.category {
    display: inline-flex;
    width: fit-content;
    color: var(--primary-dark);
    background: var(--primary-soft);
    border-radius: 999px;
    padding: 5px 9px;
    font-size: 0.76rem;
    font-weight: 800;
}

.blog-card h3 {
    margin-top: 12px;
    font-size: 1.22rem;
}

.blog-card h3 a {
    text-decoration: none;
}

.blog-card p {
    margin: 12px 0 18px;
    color: var(--muted);
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin-top: auto;
    color: var(--muted);
    font-size: 0.9rem;
}

.read-more {
    margin-top: 16px;
}

.article-hero {
    padding: 56px 0;
    background: var(--primary-soft);
}

.article-back {
    margin-bottom: 18px;
}

.preview-notice {
    width: fit-content;
    margin: 0 0 14px;
    padding: 8px 10px;
    color: #5f4a13;
    background: #fff4cf;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 800;
}

.article-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 40px;
    align-items: center;
}

.article-hero h1 {
    margin-top: 16px;
    font-size: clamp(2rem, 4vw, 3.4rem);
}

.article-meta {
    margin-top: 18px;
}

.article-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.article-content {
    padding: 52px 0 68px;
    font-size: 1.08rem;
    overflow-wrap: break-word;
}

.article-content p,
.article-content ul,
.article-content ol,
.article-content h2,
.article-content h3,
.article-content blockquote,
.article-content img {
    width: min(760px, 100%);
    max-width: 100%;
    margin: 0 auto 22px;
}

.article-content h2 {
    margin-top: 34px;
    font-size: clamp(1.55rem, 3vw, 2rem);
}

.article-content h3 {
    margin-top: 28px;
    font-size: clamp(1.25rem, 2.4vw, 1.55rem);
}

.article-content blockquote {
    padding-left: 18px;
    color: var(--primary-dark);
    border-left: 4px solid var(--primary);
}

.article-content img {
    height: auto;
    border-radius: 8px;
}

.login-page,
.not-found {
    padding: 64px 0;
}

.login-page {
    padding: 56px 0;
    background: var(--background);
}

.login-container {
    width: min(440px, calc(100% - 40px));
}

.login-form {
    padding: 30px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.login-form h2 {
    margin-bottom: 6px;
    font-size: 1.5rem;
}

.login-subtitle {
    margin: 0 0 22px;
    color: var(--muted);
    font-style: italic;
}

.login-form label {
    display: block;
    margin: 16px 0 7px;
    color: var(--primary-dark);
    font-weight: 800;
}

.login-form input {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font: inherit;
}

.login-form input:focus {
    outline: 3px solid rgba(30, 128, 141, 0.18);
    border-color: var(--primary);
}

.login-form button {
    width: 100%;
    margin-top: 22px;
}

.button-form .button {
    width: auto;
}

.form-message {
    padding: 12px 14px;
    color: var(--primary-dark);
    background: var(--primary-soft);
    border-radius: 6px;
}

.form-message-success {
    color: #24523a;
    background: #e7f5ec;
}

.form-note {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.form-note a {
    color: var(--primary);
    font-weight: 800;
    text-decoration: none;
}

.form-note a:hover {
    color: var(--primary-dark);
}

.admin-page {
    padding: 48px 0 64px;
}

.admin-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.admin-heading h1 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.admin-panel {
    max-width: 720px;
    padding: 30px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.admin-panel p {
    color: var(--muted);
}

.admin-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.admin-table-wrap {
    overflow-x: auto;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

.admin-table th,
.admin-table td {
    padding: 15px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.admin-table th {
    color: var(--primary-dark);
    background: var(--primary-soft);
    font-size: 0.9rem;
}

.admin-table td small {
    display: block;
    color: var(--muted);
    margin-top: 3px;
}

.admin-table tr:last-child td {
    border-bottom: 0;
}

.status-pill {
    display: inline-flex;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
}

.status-draft {
    color: #5f4a13;
    background: #fff4cf;
}

.status-published {
    color: #24523a;
    background: #e7f5ec;
}

.admin-actions-cell {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.admin-actions-cell a,
.admin-actions-cell button {
    color: var(--primary);
    border: 0;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.admin-action-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    background: var(--primary-soft);
    border-radius: 6px;
    line-height: 1;
}

.admin-action-icon {
    display: grid;
    flex: 0 0 17px;
    width: 17px;
    height: 17px;
    place-items: center;
}

.admin-action-icon svg {
    display: block;
    width: 17px;
    height: 17px;
    fill: currentColor;
}

.admin-action-danger {
    color: #9b2f2f !important;
    background: #fdeaea !important;
}

.admin-actions-cell a:hover,
.admin-actions-cell button:hover {
    color: var(--primary-dark);
    background: #d7edf1;
}

.admin-actions-cell .admin-action-danger:hover {
    color: #6f1f1f !important;
    background: #f8d7d7 !important;
}

.admin-form {
    padding: 26px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 26px;
}

.admin-form label {
    display: block;
    margin: 16px 0 7px;
    color: var(--primary-dark);
    font-weight: 800;
}

.admin-form label:first-child,
.form-side label:first-child {
    margin-top: 0;
}

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

.admin-form textarea {
    resize: vertical;
}

.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
    outline: 3px solid rgba(30, 128, 141, 0.18);
    border-color: var(--primary);
}

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

.form-side .button {
    width: 100%;
}

.form-actions {
    display: grid;
    gap: 10px;
    margin-top: 22px;
}

.admin-image-preview {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--primary-soft);
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    margin: 8px 0 12px !important;
    color: var(--muted) !important;
    font-weight: 400 !important;
}

.checkbox-label input {
    width: auto;
}

.site-footer {
    padding: 30px 0 18px;
    color: #d9ecef;
    background: var(--primary-dark);
}

.footer-grid {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand,
.footer-nav a,
.footer-nav button {
    color: #ffffff;
}

.footer-grid p {
    max-width: 460px;
    margin: 8px 0 0;
    color: #c6e3e7;
}

.footer-bottom {
    padding-top: 14px;
    color: #b8dfe4;
}

@media (max-width: 900px) {
    .article-hero-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 680px) {
    .container,
    .narrow {
        width: min(100% - 28px, 1080px);
    }

    .header-inner,
    .footer-grid,
    .section-heading,
    .admin-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        width: 100%;
        flex-wrap: wrap;
    }

    .main-nav a {
        padding: 8px 10px;
    }

    .main-nav .login-button {
        margin-left: 0;
    }

    .blog-section,
    .blog-overview,
    .login-page,
    .not-found {
        padding: 38px 0 52px;
    }

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

    .search-row {
        align-items: stretch;
        flex-direction: column;
    }

    .search-row .button,
    .search-row input {
        width: 100%;
    }

    .blog-card-body {
        min-height: auto;
    }

    .login-form {
        padding: 22px;
    }

    .admin-form {
        padding: 20px;
    }

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

    .form-side {
        padding: 16px;
    }

    .article-content [style*="font-size: 28px"] {
        font-size: 24px !important;
    }

    .article-content [style*="font-size: 32px"] {
        font-size: 26px !important;
    }
}