:root {
    --bg: #f5f7f9;
    --surface: #ffffff;
    --surface-soft: #eef2f5;
    --line: #d8e0e7;
    --text: #17212b;
    --muted: #607080;
    --brand: #146c5f;
    --brand-dark: #0f5148;
    --accent: #b8432f;
    --warning: #a66d00;
    --danger: #b42318;
    --ok: #237a3b;
    --shadow: 0 1px 2px rgba(20, 33, 43, .08);
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: var(--brand);
    text-decoration: none;
}

a:hover {
    color: var(--brand-dark);
    text-decoration: underline;
}

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

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.topbar-inner {
    max-width: 1180px;
    margin: 0 auto;
    min-height: 64px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 800;
    font-size: 18px;
}

.brand:hover {
    color: var(--text);
    text-decoration: none;
}

.brand-mark {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    background: var(--brand);
    color: #fff;
    border-radius: 8px;
}

.main-nav,
.account-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.main-nav {
    flex: 1;
}

.main-nav a,
.account-nav a,
.link-button {
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
}

.main-nav a.active,
.main-nav a:hover,
.account-nav a:hover,
.link-button:hover {
    background: var(--surface-soft);
    color: var(--text);
    text-decoration: none;
}

.account-nav form {
    margin: 0;
}

.site-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 20px 56px;
}

.layout-wide .site-shell {
    max-width: 1320px;
}

.footer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 20px 48px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.hero {
    min-height: 260px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(125deg, rgba(20, 108, 95, .92), rgba(15, 81, 72, .9)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0 2px, transparent 2px 18px);
    color: #fff;
    padding: 38px;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
    gap: 34px;
    align-items: end;
}

.hero h1,
.page-header h1,
.panel h1,
.auth-card h1 {
    margin: 0 0 10px;
    line-height: 1.1;
    letter-spacing: 0;
}

.hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    max-width: 720px;
}

.hero p {
    max-width: 720px;
    color: rgba(255, 255, 255, .88);
    font-size: 17px;
}

.hero-actions,
.toolbar,
.button-row,
.meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.stat {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 8px;
    padding: 14px;
}

.stat strong {
    display: block;
    font-size: 24px;
}

.grid {
    display: grid;
    gap: 18px;
}

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

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

.two-column {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 20px;
}

.panel,
.card,
.auth-card,
.thread-post,
.forum-row,
.article-card,
.store-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.panel,
.auth-card {
    padding: 22px;
}

.card,
.article-card,
.store-card {
    padding: 18px;
}

.store-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 260px;
}

.store-card h2,
.store-card p {
    margin: 0;
}

.store-card form {
    margin-top: auto;
}

.store-price {
    margin-top: auto;
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.section-title,
.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin: 28px 0 14px;
}

.page-header {
    align-items: center;
    margin-top: 0;
}

.section-title h2,
.page-header h1 {
    margin: 0;
}

.muted,
.meta,
.empty {
    color: var(--muted);
}

.meta {
    font-size: 13px;
}

.article-card h2,
.article-card h3,
.forum-row h2,
.forum-row h3,
.thread-title {
    margin: 0 0 8px;
}

.article-body {
    font-size: 16px;
}

.article-body p:first-child {
    margin-top: 0;
}

.forum-category {
    margin-bottom: 20px;
}

.forum-category-header {
    padding: 12px 16px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.forum-category-header h2 {
    margin: 0;
    font-size: 18px;
}

.forum-row {
    border-radius: 0;
    border-bottom: 0;
    padding: 16px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 170px 220px;
    gap: 16px;
    align-items: center;
}

.forum-row:last-child {
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 8px 8px;
}

.forum-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    text-align: center;
}

.forum-stats strong {
    display: block;
    font-size: 20px;
}

.thread-list {
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface);
}

.thread-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 110px 190px;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid var(--line);
    align-items: center;
}

.thread-row:last-child {
    border-bottom: 0;
}

.thread-post {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    margin-bottom: 16px;
    overflow: hidden;
}

.post-author {
    background: var(--surface-soft);
    padding: 18px;
    border-right: 1px solid var(--line);
}

.post-body {
    padding: 18px;
}

.post-body.deleted {
    color: var(--muted);
    font-style: italic;
}

.post-tools {
    margin-top: 18px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.profile-head {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 16px;
}

.avatar {
    width: 72px;
    height: 72px;
    display: inline-grid;
    place-items: center;
    border-radius: 8px;
    object-fit: cover;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    border: 1px solid var(--line);
}

.avatar-large {
    width: 108px;
    height: 108px;
    font-size: 34px;
}

.post-author .avatar {
    width: 88px;
    height: 88px;
    margin-bottom: 12px;
}

.signature {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

.signature p {
    margin: 0 0 8px;
}

.badge,
.status,
.pill,
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
}

.badge-admin {
    background: #fde8e1;
    color: #8a2d1c;
}

.badge-moderator {
    background: #e6f1ff;
    color: #174d8b;
}

.badge-member {
    background: #e8f5ec;
    color: #23643b;
}

.badge-banned,
.status-hidden,
.status-deleted,
.status-archived {
    background: #f4e3e0;
    color: var(--danger);
}

.badge-premium {
    background: #fff1c2;
    color: #7a5200;
}

.status-published,
.status-open {
    background: #e8f5ec;
    color: var(--ok);
}

.status-draft,
.status-locked,
.status-pending {
    background: #fff2d6;
    color: var(--warning);
}

.pill {
    background: var(--accent);
    color: #fff;
}

.tag {
    background: var(--surface-soft);
    color: var(--muted);
}

.button,
button.button,
.button-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--brand);
    background: var(--brand);
    color: #fff;
    border-radius: 6px;
    padding: 9px 13px;
    font-weight: 700;
    min-height: 38px;
    cursor: pointer;
}

.button:hover,
button.button:hover,
.button-small:hover {
    background: var(--brand-dark);
    color: #fff;
    text-decoration: none;
}

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

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

.button-small {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 13px;
}

.link-button {
    font-size: 15px;
}

.form-grid {
    display: grid;
    gap: 14px;
}

.form-row {
    display: grid;
    gap: 6px;
}

label {
    font-weight: 700;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    min-height: 40px;
    padding: 8px 10px;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

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

.flash {
    border: 1px solid var(--line);
    border-left-width: 4px;
    background: var(--surface);
    border-radius: 6px;
    padding: 12px 14px;
    margin-bottom: 14px;
}

.flash-success {
    border-left-color: var(--ok);
}

.flash-error {
    border-left-color: var(--danger);
}

.flash-warning {
    border-left-color: var(--warning);
}

.flash-info {
    border-left-color: var(--brand);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

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

th {
    background: var(--surface-soft);
}

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

.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.admin-tabs a {
    padding: 8px 10px;
    border-radius: 6px;
    background: var(--surface);
    border: 1px solid var(--line);
}

.admin-tabs a.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.skin-swatch {
    min-height: 120px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
}

.skin-swatch span {
    color: inherit;
    opacity: .76;
}

.skin-preview-classic {
    background: linear-gradient(135deg, #ffffff 0 55%, #eef2f5 55% 100%);
    color: #17212b;
}

.skin-preview-midnight {
    background: linear-gradient(135deg, #121923 0 55%, #253245 55% 100%);
    color: #f5f1e8;
}

.skin-preview-high-contrast {
    background: linear-gradient(135deg, #050505 0 55%, #ffe66d 55% 100%);
    color: #ffffff;
}

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

.docs-hero h1 {
    margin: 0 0 8px;
}

.doc-version {
    min-width: 220px;
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
}

.doc-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.doc-sidebar {
    position: sticky;
    top: 84px;
    max-height: calc(100vh - 104px);
    overflow: auto;
    display: grid;
    gap: 6px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    box-shadow: var(--shadow);
}

.doc-sidebar a {
    padding: 8px 10px;
    border-radius: 6px;
    color: var(--muted);
}

.doc-sidebar a:hover {
    background: var(--surface-soft);
    color: var(--text);
    text-decoration: none;
}

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

.doc-block {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 22px;
    box-shadow: var(--shadow);
    scroll-margin-top: 92px;
}

.doc-block h2 {
    margin-top: 0;
}

.doc-block li + li {
    margin-top: 6px;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 14px 0;
}

.doc-card {
    display: grid;
    gap: 6px;
    min-height: 90px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-soft);
}

.doc-card code {
    overflow-wrap: anywhere;
}

.pager {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
}

.pager a,
.pager span {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 8px 10px;
}

.auth-card {
    max-width: 460px;
    margin: 40px auto;
}

.oauth-provider-list {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 10px;
}

.setup {
    max-width: 760px;
    margin: 48px auto;
    background: #fff;
    border: 1px solid #d8e0e7;
    border-radius: 8px;
    padding: 24px;
}

pre,
code {
    background: var(--surface-soft);
    border-radius: 4px;
    padding: 2px 4px;
}

pre {
    padding: 12px;
    white-space: pre-wrap;
    overflow: auto;
}

@media (max-width: 900px) {
    .topbar-inner,
    .footer,
    .hero,
    .two-column,
    .grid-2,
    .grid-3,
    .forum-row,
    .thread-row,
    .thread-post,
    .docs-hero,
    .doc-layout,
    .doc-grid {
        grid-template-columns: 1fr;
    }

    .docs-hero {
        display: grid;
    }

    .doc-sidebar {
        position: static;
        max-height: none;
    }

    .topbar-inner {
        align-items: flex-start;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .post-author {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .hero {
        padding: 28px;
    }

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