:root {
    color-scheme: light;
    --bg: #f7f9fc;
    --surface: #ffffff;
    --surface-strong: #eef4f8;
    --text: #14212f;
    --muted: #627184;
    --border: #d9e2ea;
    --brand: #0e7c72;
    --brand-strong: #095f58;
    --accent: #e79b25;
    --danger: #c24132;
    --success: #0f7b4f;
    --shadow: 0 16px 45px rgba(19, 34, 49, 0.12);
    --radius: 8px;
    --max: 1180px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #10151b;
    --surface: #161f28;
    --surface-strong: #1d2a35;
    --text: #edf5f4;
    --muted: #9fb0bd;
    --border: #2a3a47;
    --brand: #39b7a9;
    --brand-strong: #5fd5c8;
    --accent: #f2b64f;
    --danger: #f07867;
    --success: #48ce92;
    --shadow: 0 16px 45px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

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

button,
input,
select,
textarea {
    font: inherit;
}

textarea {
    resize: vertical;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 50;
    background: var(--text);
    color: var(--surface);
    padding: 10px 14px;
    border-radius: var(--radius);
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}

.top-notice {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 8px 18px;
    background: var(--surface-strong);
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.top-notice span {
    color: var(--brand-strong);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0;
}

.nav-shell,
.site-footer,
.hero-section,
.category-strip,
.content-grid,
.page-section,
.post-detail {
    width: min(var(--max), calc(100% - 32px));
    margin-inline: auto;
}

.nav-shell {
    min-height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 18px;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand strong,
.footer-brand strong {
    display: block;
    font-size: 19px;
    line-height: 1.1;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.nav-links a,
.footer-links a,
.category-strip a,
.language-switch a,
.pill-link {
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--muted);
    font-weight: 700;
}

.nav-links a {
    padding: 9px 12px;
}

.nav-links a:hover,
.footer-links a:hover,
.category-strip a:hover,
.language-switch a:hover,
.pill-link:hover {
    color: var(--brand-strong);
    background: var(--surface-strong);
}

.nav-tools {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-switch {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3px;
    background: var(--surface);
}

.language-switch a {
    padding: 6px 9px;
    font-size: 13px;
}

.language-switch a.is-active,
.category-strip a.is-active {
    background: var(--brand);
    color: #fff;
}

.icon-button {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: var(--radius);
    cursor: pointer;
    display: inline-grid;
    place-items: center;
}

.theme-toggle {
    position: relative;
}

.sun,
.moon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: block;
}

.sun {
    background: var(--accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}

.moon {
    position: absolute;
    background: var(--surface);
    transform: translate(5px, -5px);
    opacity: 0;
}

[data-theme="dark"] .moon {
    opacity: 1;
}

.menu-toggle {
    display: none;
}

.menu-toggle span {
    width: 19px;
    height: 2px;
    background: var(--text);
    display: block;
    margin: 2px 0;
}

.hero-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 28px;
    align-items: stretch;
    padding: 46px 0 28px;
}

.hero-copy,
.hero-panel,
.post-card,
.side-box,
.page-section,
.post-hero,
.detail-warning,
.detail-content section,
.detail-aside .side-box,
.admin-card,
.admin-hero,
.auth-card,
.message-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: clamp(24px, 5vw, 48px);
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--brand-strong);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0;
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1,
h2,
h3 {
    line-height: 1.15;
    letter-spacing: 0;
}

h1 {
    margin: 0;
    font-size: clamp(34px, 5vw, 58px);
}

h2 {
    margin: 0;
    font-size: clamp(24px, 3vw, 34px);
}

h3 {
    margin: 0;
    font-size: 20px;
}

.hero-copy p {
    max-width: 760px;
    color: var(--muted);
    font-size: 18px;
}

.hero-search {
    margin-top: 28px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.hero-search label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    background: var(--surface);
    padding: 12px 13px;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}

.primary-button,
.secondary-button {
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 12px 16px;
    font-weight: 900;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
}

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

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

.primary-button.small {
    min-height: 40px;
    padding: 9px 12px;
}

.primary-button.full {
    width: 100%;
}

.secondary-button {
    background: var(--surface-strong);
    border-color: var(--border);
    color: var(--text);
}

.hero-panel {
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
}

.hero-panel strong {
    font-size: 26px;
}

.hero-panel p {
    margin: 0;
    color: var(--muted);
}

.stat-row {
    display: flex;
    align-items: end;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.stat-row span {
    font-size: 34px;
    font-weight: 900;
    color: var(--brand-strong);
    line-height: 1;
}

.stat-row small {
    color: var(--muted);
    font-weight: 800;
}

.category-strip {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 10px 0 28px;
}

.category-strip a,
.pill-link {
    white-space: nowrap;
    padding: 9px 12px;
    background: var(--surface);
    border-color: var(--border);
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    padding-bottom: 42px;
}

.section-title {
    margin-bottom: 18px;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.post-card {
    overflow: hidden;
}

.post-thumb {
    display: block;
    aspect-ratio: 16 / 9;
    background: var(--surface-strong);
    overflow: hidden;
}

.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.post-meta,
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.post-meta span,
.status-badge {
    color: var(--brand-strong);
    background: color-mix(in srgb, var(--brand) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--brand) 26%, transparent);
    padding: 4px 8px;
    border-radius: var(--radius);
}

.post-card h3 a:hover,
.recent-list a:hover,
.text-link:hover {
    color: var(--brand-strong);
}

.post-card p,
.side-box p,
.page-section p,
.detail-content p,
.admin-card p,
.admin-hero p {
    color: var(--muted);
}

.text-link {
    color: var(--brand-strong);
    font-weight: 900;
}

.sidebar {
    display: grid;
    gap: 18px;
    align-content: start;
}

.side-box {
    padding: 20px;
}

.side-box h2 {
    font-size: 21px;
    margin-bottom: 14px;
}

.recent-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}

.recent-list li {
    display: grid;
    gap: 3px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.recent-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.recent-list a {
    font-weight: 900;
}

.recent-list small {
    color: var(--muted);
}

.warning-box {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.empty-state {
    padding: 28px;
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.page-section {
    margin-block: 44px;
    padding: clamp(22px, 5vw, 46px);
}

.page-section.narrow {
    max-width: 820px;
}

.contact-form,
.admin-form {
    display: grid;
    gap: 16px;
}

.success-box,
.error-box {
    border-radius: var(--radius);
    padding: 12px 14px;
    margin: 16px 0;
    font-weight: 800;
}

.success-box {
    color: var(--success);
    border: 1px solid color-mix(in srgb, var(--success) 35%, var(--border));
    background: color-mix(in srgb, var(--success) 9%, var(--surface));
}

.error-box {
    color: var(--danger);
    border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
    background: color-mix(in srgb, var(--danger) 9%, var(--surface));
}

.post-detail {
    padding-block: 38px;
}

.post-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 26px;
    padding: clamp(22px, 5vw, 42px);
    align-items: center;
}

.post-hero img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface-strong);
}

.detail-warning {
    margin-top: 18px;
    padding: 16px;
    border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
    box-shadow: none;
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 22px;
    margin-top: 22px;
}

.detail-content {
    display: grid;
    gap: 18px;
}

.detail-content section {
    padding: 24px;
}

.detail-content h2 {
    font-size: 24px;
    margin-bottom: 12px;
}

.detail-aside {
    display: grid;
    gap: 18px;
    align-content: start;
}

.site-footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    padding: 32px 0 44px;
    border-top: 1px solid var(--border);
}

.site-footer p {
    color: var(--muted);
    max-width: 720px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: start;
    justify-content: end;
}

.footer-links a {
    padding: 8px 10px;
}

.admin-page {
    background: var(--bg);
}

.admin-header {
    width: min(1240px, calc(100% - 32px));
    margin: 14px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: var(--shadow);
}

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

.admin-nav a {
    color: var(--muted);
    font-weight: 900;
    padding: 8px 10px;
    border-radius: var(--radius);
}

.admin-nav a:hover {
    background: var(--surface-strong);
    color: var(--brand-strong);
}

.admin-main {
    width: min(1240px, calc(100% - 32px));
    margin: 22px auto 50px;
    display: grid;
    gap: 18px;
}

.admin-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 24px;
}

.admin-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.admin-stats div {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}

.admin-stats strong {
    display: block;
    color: var(--brand-strong);
    font-size: 32px;
    line-height: 1;
}

.admin-stats span {
    color: var(--muted);
    font-weight: 900;
}

.admin-card {
    padding: 22px;
}

.admin-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.auth-card {
    width: min(520px, 100%);
    margin: 42px auto;
}

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

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

.admin-table th,
.admin-table td {
    text-align: left;
    border-bottom: 1px solid var(--border);
    padding: 13px 10px;
    vertical-align: top;
}

.admin-table th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0;
}

.admin-table small {
    display: block;
    color: var(--muted);
}

.table-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.table-actions form {
    margin: 0;
}

.danger-link {
    border: 0;
    background: transparent;
    color: var(--danger);
    font-weight: 900;
    cursor: pointer;
    padding: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid .full {
    grid-column: 1 / -1;
}

.admin-form label,
.contact-form label {
    display: grid;
    gap: 7px;
    color: var(--text);
    font-weight: 900;
}

.post-editor {
    gap: 18px;
}

.post-editor h2 {
    margin-bottom: 16px;
}

.sticky-actions {
    position: sticky;
    bottom: 14px;
    display: flex;
    gap: 12px;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.message-list {
    display: grid;
    gap: 14px;
}

.message-card {
    box-shadow: none;
    padding: 16px;
}

.message-card div {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

.message-card a,
.message-card time {
    color: var(--muted);
}

@media (max-width: 940px) {
    .nav-shell {
        grid-template-columns: auto auto;
    }

    .menu-toggle {
        display: inline-grid;
        margin-left: auto;
    }

    .nav-links {
        grid-column: 1 / -1;
        display: none;
        justify-content: start;
        flex-wrap: wrap;
        padding-bottom: 12px;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-tools {
        grid-column: 1 / -1;
        justify-content: space-between;
    }

    .hero-section,
    .content-grid,
    .post-hero,
    .detail-layout,
    .site-footer {
        grid-template-columns: 1fr;
    }

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

    .site-footer .footer-links {
        justify-content: start;
    }
}

@media (max-width: 680px) {
    .top-notice {
        display: grid;
        gap: 2px;
    }

    .nav-shell,
    .site-footer,
    .hero-section,
    .category-strip,
    .content-grid,
    .page-section,
    .post-detail,
    .admin-header,
    .admin-main {
        width: min(100% - 20px, var(--max));
    }

    .hero-section {
        padding-top: 22px;
    }

    .hero-copy,
    .hero-panel,
    .admin-card,
    .admin-hero {
        padding: 18px;
    }

    .hero-search,
    .form-grid,
    .admin-stats {
        grid-template-columns: 1fr;
    }

    .admin-header,
    .admin-hero {
        align-items: stretch;
        flex-direction: column;
    }

    .admin-nav {
        width: 100%;
    }

    .admin-nav a {
        flex: 1 1 auto;
        text-align: center;
    }

    .sticky-actions {
        position: static;
        flex-direction: column;
    }
}