:root {
    --bg: #f4faf7;
    --surface: #ffffff;
    --surface-soft: #eaf8f2;
    --border: #d6e7df;
    --text: #10241b;
    --muted: #66786f;
    --accent: #10a86a;
    --accent-dark: #08784d;
    --danger: #c73b3b;
    --warning: #c07910;
    --info: #1f77d0;
    --radius: 8px;
    --shadow: 0 14px 40px rgba(18, 91, 62, 0.09);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    overflow-x: hidden;
}

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

.app-shell {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    min-height: 100dvh;
}

.sidebar {
    position: sticky;
    top: 0;
    align-self: start;
    height: 100dvh;
    overflow-y: auto;
    background: linear-gradient(180deg, #ffffff 0%, #f0fbf5 100%);
    color: var(--text);
    padding: 20px 14px;
    border-right: 1px solid var(--border);
}

.admin-sidebar {
    background: linear-gradient(180deg, #ffffff 0%, #eef8f5 100%);
}

.brand {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 8px 10px 18px;
    border-bottom: 1px solid var(--border);
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: #fff;
    border-radius: 8px;
    font-weight: 800;
}

.brand strong,
.brand small {
    display: block;
}

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

.nav-list {
    display: grid;
    gap: 4px;
    margin-top: 18px;
}

.nav-groups {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.nav-group {
    overflow: hidden;
    border-radius: 8px;
}

.nav-group summary,
.nav-group-trigger {
    list-style: none;
}

.nav-group summary::-webkit-details-marker,
.nav-group-trigger::-webkit-details-marker,
.nav-group::marker,
.nav-group summary::marker,
.nav-group-trigger::marker {
    display: none;
    content: "";
}

.nav-group-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 50px;
    padding: 9px 10px 9px 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    user-select: none;
    transition: background .16s ease, border-color .16s ease, color .16s ease;
}

.nav-group-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.nav-group-copy strong {
    color: #243d32;
    font-size: 14px;
    line-height: 1.2;
}

.nav-group-copy small {
    color: var(--muted);
    font-size: 11px;
    line-height: 1.2;
}

.nav-group-chevron {
    flex: 0 0 auto;
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .16s ease;
}

.nav-group[open] .nav-group-chevron {
    transform: rotate(225deg);
}

.nav-group-trigger:hover,
.nav-group.active-group .nav-group-trigger {
    background: #edf9f3;
    border-color: #d6eee3;
    color: var(--accent-dark);
}

.nav-group.active-group .nav-group-copy strong {
    color: var(--accent-dark);
}

.nav-group.active-group .nav-group-copy small {
    color: #4a7d64;
}

.nav-group .nav-list {
    display: none;
    gap: 3px;
    margin: 6px 0 2px 10px;
    padding-left: 10px;
    border-left: 1px solid #cfe7da;
}

.nav-group[open] .nav-list {
    display: grid;
}

.nav-group:not([open]) .nav-list {
    display: none;
}

.nav-list a {
    padding: 10px 12px;
    border-radius: 8px;
    color: #40564c;
    font-size: 14px;
}

.nav-list.compact a {
    position: relative;
    padding: 8px 10px 8px 12px;
    font-size: 13px;
}

.nav-list a:hover,
.nav-list a.active {
    background: #dff6eb;
    color: var(--accent-dark);
}

.nav-list.compact a.active::before {
    content: "";
    position: absolute;
    left: -11px;
    top: 9px;
    bottom: 9px;
    width: 3px;
    border-radius: 999px;
    background: var(--accent);
}

.mobile-nav-shell {
    display: none;
}

.mobile-nav-trigger {
    list-style: none;
}

.mobile-nav-trigger::-webkit-details-marker,
.mobile-nav-trigger::marker {
    display: none;
    content: "";
}

.mobile-nav-icon {
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .16s ease;
}

.mobile-nav-shell[open] .mobile-nav-icon {
    transform: rotate(225deg);
}

.ip-location {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

.main {
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 86px;
    padding: 20px 28px;
    background: rgba(255, 255, 255, .92);
    border-bottom: 1px solid var(--border);
}

.topbar h1 {
    margin: 2px 0 0;
    font-size: 24px;
    letter-spacing: 0;
}

.eyebrow {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

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

.topbar-actions form {
    margin: 0;
}

.content {
    padding: 28px;
    min-width: 0;
}

.page-footer {
    margin-top: 22px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.grid {
    display: grid;
    gap: 16px;
}

.grid.cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.panel {
    min-width: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    margin: 0;
    font-size: 16px;
}

.panel-body {
    padding: 18px;
    min-width: 0;
}

.metric {
    padding: 18px;
}

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

.metric strong {
    display: block;
    margin-top: 8px;
    font-size: 26px;
}

.compact-list {
    display: grid;
    gap: 10px;
}

.compact-list > div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.compact-list > div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}

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

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

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

.btn-danger {
    background: #fff1f1;
    color: var(--danger);
    border-color: #f1c9c9;
}

.points-pill,
.status {
    display: inline-flex;
    align-items: center;
    height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 13px;
}

.status.success {
    background: #e8f7ef;
    color: var(--accent-dark);
}

.status.danger,
.status.failed {
    background: #fff1f1;
    color: var(--danger);
}

.status.warning,
.status.processing {
    background: #edf5ff;
    color: var(--info);
}

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

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

.table-scroll {
    width: 100%;
    overflow-x: auto;
}

.table-scroll .table {
    min-width: 1180px;
}

.upload-table-scroll .upload-table {
    min-width: 1480px;
}

.upload-table td {
    vertical-align: top;
}

.upload-table .input,
.upload-table .select {
    min-width: 150px;
}

.upload-table td:nth-child(5) {
    min-width: 260px;
}

.upload-guide {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.upload-guide > div {
    display: grid;
    gap: 8px;
    padding: 14px;
    background: #f7fcf9;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.upload-guide strong {
    font-size: 14px;
}

.upload-guide p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    font-size: 13px;
}

.upload-toolbar {
    justify-content: flex-start;
}

.source-picker {
    display: grid;
    gap: 6px;
}

.table th,
.table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 14px;
    overflow-wrap: anywhere;
}

.table th {
    color: var(--muted);
    font-weight: 700;
    background: #f9fbfa;
}

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

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

.settings-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    gap: 18px;
    align-items: start;
}

.settings-grid h3 {
    margin: 0 0 12px;
    font-size: 16px;
}

.field {
    display: grid;
    gap: 8px;
}

.field label {
    font-size: 14px;
    font-weight: 700;
}

.captcha-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px;
    gap: 10px;
    align-items: center;
}

.captcha-row img {
    width: 120px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
}

.input,
.select,
.textarea {
    min-width: 0;
    width: 100%;
    min-height: 40px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

.textarea {
    min-height: 90px;
    resize: vertical;
}

.textarea.large {
    min-height: 180px;
}

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

.inline-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-bar {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 180px auto auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}

.filter-bar.compact {
    grid-template-columns: 220px auto auto;
    justify-content: start;
}

.text-success {
    color: var(--accent-dark);
}

.text-danger {
    color: var(--danger);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.detail-grid > div {
    display: grid;
    gap: 6px;
    padding: 12px;
    background: #f9fbfa;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.detail-grid strong {
    min-width: 0;
    overflow-wrap: anywhere;
}

.split-grid {
    display: grid;
    grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.3fr);
    gap: 18px;
    align-items: start;
}

.log-viewer {
    max-height: 620px;
    overflow: auto;
    margin: 0;
    padding: 14px;
    background: #101b17;
    color: #eaf4ef;
    border-radius: 8px;
    font: 13px/1.6 Consolas, "SFMono-Regular", monospace;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.announcement-list {
    display: grid;
    gap: 10px;
}

.announcement-item {
    display: grid;
    gap: 8px;
    padding: 12px;
    background: #f9fbfa;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: inherit;
    text-decoration: none;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.announcement-item:hover {
    border-color: rgba(38, 166, 91, .42);
    box-shadow: 0 8px 24px rgba(20, 83, 45, .08);
    transform: translateY(-1px);
}

.announcement-item > div {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
}

.announcement-item p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

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

.market-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 12px;
    margin: 18px 0 12px;
}

.market-section-head h3,
.market-section-head p {
    margin: 0;
}

.market-section-head h3 {
    font-size: 18px;
}

.market-section-head p {
    margin-top: 6px;
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 360px));
    gap: 16px;
    align-items: start;
    justify-content: start;
}

.market-card {
    overflow: hidden;
    width: 100%;
    max-width: 360px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.market-cover {
    display: grid;
    place-items: center;
    height: 190px;
    max-height: 190px;
    background: linear-gradient(135deg, #e7f8ef, #eef7ff);
    color: var(--accent-dark);
    font-size: 42px;
    font-weight: 900;
    overflow: hidden;
}

.market-cover.user-cover {
    background: linear-gradient(135deg, #fff7e6, #edf5ff);
}

.market-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.market-card-body {
    display: grid;
    gap: 14px;
    padding: 16px;
}

.template-card {
    display: grid;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.template-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.template-card p {
    min-height: 44px;
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.media-title {
    display: flex;
    gap: 12px;
    align-items: center;
    min-width: 0;
}

.media-title > div {
    min-width: 0;
}

.media-title img {
    width: 72px;
    height: 52px;
    border-radius: 8px;
    border: 1px solid var(--border);
    object-fit: cover;
    flex: 0 0 auto;
}

.template-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.template-stats div,
.rank-row {
    display: grid;
    gap: 4px;
    padding: 10px;
    background: #f9fbfa;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.template-stats span {
    color: var(--muted);
    font-size: 12px;
}

.rank-row:hover {
    border-color: #b8d5c8;
}

.article-head {
    display: grid;
    gap: 10px;
    max-width: 860px;
    margin-bottom: 18px;
}

.article-head h1 {
    margin: 0;
    font-size: 28px;
    letter-spacing: 0;
}

.article-cover {
    display: block;
    width: 100%;
    max-height: 360px;
    object-fit: cover;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 20px;
}

.article-video {
    display: block;
    width: 100%;
    max-height: 420px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #000;
}

.article-editor {
    display: grid;
    gap: 16px;
}

.article-title input {
    min-height: 48px;
    font-size: 18px;
    font-weight: 800;
}

.article-editor-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 16px;
    align-items: start;
}

.article-textarea {
    min-height: 360px;
}

.editor-side {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #f9fbfa;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(16, 36, 27, .38);
}

.modal-card {
    width: min(640px, 100%);
    max-height: min(720px, calc(100dvh - 40px));
    overflow: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 30px 90px rgba(16, 36, 27, .24);
}

.version-field {
    display: grid;
    grid-template-columns: minmax(120px, 1fr) auto;
    gap: 8px;
}

.site-hero-simple {
    min-height: 520px;
}

.site-contact-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.site-contact-band h2,
.site-contact-band p {
    margin: 0;
}

.site-contact-band p {
    margin-top: 8px;
    color: var(--muted);
}

.article-content {
    max-width: 860px;
    color: var(--text);
    line-height: 1.8;
    white-space: normal;
    overflow-wrap: anywhere;
}

.article-content img,
.article-content video {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.auth-page {
    display: grid;
    place-items: center;
    min-height: 100dvh;
    padding: 24px;
    background:
        radial-gradient(circle at 16% 20%, rgba(16, 168, 106, .16), transparent 28%),
        linear-gradient(135deg, #f3fbf7 0%, #ffffff 48%, #eef8ff 100%);
}

.auth-card {
    width: min(420px, 100%);
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.auth-card h1 {
    margin: 0 0 8px;
}

.auth-card p {
    margin: 0 0 22px;
    color: var(--muted);
}

.empty-state {
    display: grid;
    justify-items: start;
    gap: 10px;
    padding: 34px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.muted {
    color: var(--muted);
}

.alert {
    margin: 0 0 14px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
}

.alert.error {
    background: #fff1f1;
    color: var(--danger);
    border: 1px solid #f1c9c9;
}

.alert.success {
    background: #e8f7ef;
    color: var(--accent-dark);
    border: 1px solid #bfebd2;
}

.alert.warning {
    background: #fff8e8;
    color: var(--warning);
    border: 1px solid #efd49b;
}

.row-actions {
    position: relative;
    display: inline-block;
}

.row-actions summary {
    list-style: none;
}

.row-actions summary::-webkit-details-marker {
    display: none;
}

.action-popover {
    position: absolute;
    right: 0;
    z-index: 10;
    display: grid;
    gap: 10px;
    width: 280px;
    padding: 12px;
    margin-top: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.action-popover.wide {
    width: 360px;
}

.action-popover form {
    display: grid;
    gap: 8px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.action-popover form:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.site-body {
    background: #f6fbf8;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: min(1180px, calc(100% - 32px));
    margin: 16px auto 0;
    padding: 12px 14px;
    background: rgba(255, 255, 255, .92);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 34px rgba(37, 91, 66, .08);
    backdrop-filter: blur(16px);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.site-nav nav {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.site-nav nav > a:not(.btn) {
    color: var(--muted);
    font-weight: 700;
    font-size: 14px;
}

.site-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
    gap: 44px;
    align-items: center;
    width: min(1180px, calc(100% - 32px));
    min-height: 560px;
    margin: 28px auto 0;
    padding: 54px 0 36px;
}

.site-hero-copy {
    display: grid;
    gap: 20px;
}

.site-kicker {
    width: fit-content;
    padding: 7px 11px;
    background: #e4f8ed;
    color: var(--accent-dark);
    border: 1px solid #c9eedb;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.site-hero h1 {
    margin: 0;
    font-size: 56px;
    line-height: 1.06;
    letter-spacing: 0;
}

.site-hero p {
    max-width: 620px;
    margin: 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.8;
}

.site-hero-panel {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(145deg, #ffffff, #eaf8f2);
    box-shadow: 0 24px 70px rgba(34, 113, 78, .16);
}

.site-mini-window {
    display: grid;
    gap: 18px;
    min-height: 340px;
    padding: 22px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--border);
}

.site-mini-window > div:first-child {
    display: flex;
    gap: 7px;
}

.site-mini-window > div:first-child span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #b6dac9;
}

.site-mini-window strong {
    font-size: 24px;
}

.site-progress {
    height: 12px;
    overflow: hidden;
    border-radius: 999px;
    background: #e4eee9;
}

.site-progress i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #34c6a2);
}

.site-window-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.site-window-grid span {
    padding: 12px;
    border-radius: 8px;
    background: #f3faf6;
    color: var(--accent-dark);
    font-weight: 800;
}

.site-section {
    width: min(1180px, calc(100% - 32px));
    margin: 36px auto;
}

.site-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.site-section-head h2 {
    margin: 0;
    font-size: 28px;
}

.site-section-head p {
    margin: 8px 0 0;
    color: var(--muted);
}

.site-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.site-feature-grid article,
.site-list-item {
    display: grid;
    gap: 10px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.site-feature-grid article p,
.site-list-item p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

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

.site-footer {
    display: flex;
    justify-content: center;
    gap: 18px;
    padding: 34px 16px 46px;
    color: var(--muted);
}

@media (max-width: 1180px) {
    .app-shell {
        grid-template-columns: 220px minmax(0, 1fr);
    }

    .content {
        padding: 22px;
    }

    .grid.cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .market-grid,
    .template-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }

    .market-card {
        max-width: none;
    }

    .settings-grid,
    .split-grid {
        grid-template-columns: 1fr;
    }
}

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

    .sidebar {
        position: sticky;
        top: 0;
        z-index: 30;
        height: auto;
        max-height: none;
        overflow: visible;
        padding: 10px 12px;
        background: rgba(255, 255, 255, .96);
        border-right: 0;
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    .sidebar .brand {
        padding: 0 2px 10px;
    }

    .desktop-nav-list,
    .desktop-user-nav,
    .desktop-admin-nav {
        display: none;
    }

    .mobile-nav-shell {
        display: block;
    }

    .mobile-nav-trigger {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        min-height: 44px;
        padding: 8px 11px;
        border: 1px solid var(--border);
        border-radius: 8px;
        background: #f8fcfa;
        color: var(--text);
        cursor: pointer;
        user-select: none;
    }

    .mobile-nav-trigger span:first-child {
        display: grid;
        gap: 2px;
        min-width: 0;
    }

    .mobile-nav-trigger strong {
        color: var(--accent-dark);
        font-size: 14px;
        line-height: 1.2;
    }

    .mobile-nav-trigger small {
        min-width: 0;
        color: var(--muted);
        font-size: 12px;
        line-height: 1.2;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-nav-shell[open] .mobile-nav-trigger {
        background: #edf9f3;
        border-color: #cbeadb;
    }

    .mobile-nav-list {
        max-height: min(56dvh, 420px);
        overflow-y: auto;
        padding-right: 2px;
    }

    .mobile-nav-list.nav-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        margin-top: 10px;
    }

    .mobile-nav-list a {
        display: flex;
        align-items: center;
        min-height: 40px;
        margin: 0;
        background: #fff;
        border: 1px solid var(--border);
    }

    .mobile-nav-list a.active {
        background: #dff6eb;
        border-color: #bfe8d3;
    }

    .nav-groups {
        margin-top: 12px;
        grid-template-columns: 1fr;
    }

    .mobile-nav-groups {
        max-height: min(60dvh, 460px);
        overflow-y: auto;
        padding-right: 2px;
    }

    .mobile-nav-groups .nav-group .nav-list,
    .admin-sidebar .mobile-nav-groups .nav-group .nav-list {
        grid-template-columns: 1fr;
        margin-left: 0;
    }

    .topbar {
        display: grid;
        gap: 14px;
        min-height: 0;
        padding: 18px;
    }

    .topbar-actions {
        align-items: stretch;
    }

    .content {
        padding: 18px;
    }

    .panel-header {
        display: grid;
        gap: 12px;
        align-items: start;
    }

    .panel-header .toolbar,
    .panel-header form.toolbar {
        width: 100%;
    }

    .grid.cols-4,
    .grid.cols-3,
    .site-hero,
    .site-feature-grid,
    .site-list,
    .site-template-strip,
    .template-grid,
    .market-grid,
    .upload-guide,
    .form-grid,
    .article-editor-grid,
    .settings-grid,
    .split-grid,
    .filter-bar,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .grid > [style*="grid-column"],
    .panel[style*="grid-column"] {
        grid-column: auto !important;
    }

    .panel-body > .table,
    .split-grid .table,
    .article-editor .table {
        display: block;
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .table-scroll .table {
        min-width: 920px;
    }

    .upload-table-scroll .upload-table {
        min-width: 1280px;
    }

    .market-card {
        max-width: 100%;
    }

    .site-contact-band {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-hero h1 {
        font-size: 40px;
    }

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

    .site-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav nav {
        width: 100%;
    }

    .site-hero {
        min-height: 0;
        padding-top: 30px;
    }
}

@media (max-width: 560px) {
    .brand {
        padding-bottom: 12px;
    }

    .brand-mark {
        width: 34px;
        height: 34px;
    }

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

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

    .admin-mobile-nav .nav-list,
    .user-mobile-nav .nav-list {
        grid-template-columns: 1fr;
    }

    .nav-group-trigger {
        min-height: 46px;
    }

    .nav-list a {
        min-height: 38px;
    }

    .topbar h1 {
        font-size: 21px;
    }

    .topbar-actions,
    .toolbar,
    .inline-actions {
        width: 100%;
        align-items: stretch;
    }

    .topbar-actions > *,
    .toolbar > *,
    .inline-actions > *,
    .toolbar form,
    .inline-actions form,
    .btn,
    .points-pill {
        width: 100%;
    }

    .content {
        padding: 12px;
    }

    .panel {
        border-radius: 8px;
    }

    .panel-header,
    .panel-body {
        padding: 14px;
    }

    .metric strong {
        font-size: 22px;
    }

    .market-section-head,
    .template-card-head,
    .announcement-item > div,
    .site-section-head {
        display: grid;
        gap: 8px;
        align-items: start;
    }

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

    .market-cover {
        height: 170px;
        max-height: 170px;
    }

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

    .version-field,
    .captcha-row {
        grid-template-columns: 1fr;
    }

    .article-head h1 {
        font-size: 23px;
    }

    .article-cover,
    .article-video {
        max-height: 260px;
    }

    .article-textarea {
        min-height: 260px;
    }

    .action-popover,
    .action-popover.wide {
        right: auto;
        left: 0;
        width: min(320px, calc(100vw - 32px));
    }

    .auth-page {
        padding: 14px;
    }

    .auth-card {
        padding: 22px;
    }

    .site-nav,
    .site-hero,
    .site-section {
        width: min(100% - 24px, 1180px);
    }

    .site-hero h1 {
        font-size: 34px;
    }

    .site-hero p {
        font-size: 16px;
    }

    .site-hero-panel,
    .site-mini-window,
    .site-feature-grid article,
    .site-list-item {
        border-radius: 10px;
    }

    .site-footer {
        display: grid;
        gap: 10px;
        text-align: center;
    }
}