:root {
    --bg: #ffffff;
    --bg-soft: #f7f8fa;
    --text: #24292f;
    --text-soft: #57606a;
    --border: #d8dee4;
    --accent: #1f6feb;
    --accent-soft: #eaf2ff;
    --danger: #cf222e;
    --radius: 8px;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.75;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-wrap: wrap;
}

.brand {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav > a {
    color: var(--text-soft);
    font-size: 15px;
}

.nav > a.active,
.nav > a:hover {
    color: var(--accent);
}

.search-box input {
    width: 160px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-soft);
}

.main {
    display: flex;
    gap: 40px;
    padding: 36px 20px;
    align-items: flex-start;
}

.content {
    flex: 1 1 auto;
    min-width: 0;
}

.sidebar {
    flex: 0 0 240px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    background: var(--bg-soft);
}

.card h3 {
    margin: 0 0 10px;
    font-size: 14px;
    color: var(--text-soft);
    font-weight: 600;
}

.link-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 14px;
}

.link-list li {
    padding: 5px 0;
    border-bottom: 1px dashed var(--border);
}

.link-list li:last-child {
    border-bottom: none;
}

.page-title {
    font-size: 22px;
    margin: 0 0 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.page-lead {
    margin: -12px 0 8px;
    color: var(--text-soft);
    font-size: 14px;
}

.post-card {
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
}

.post-card-title {
    margin: 0 0 6px;
    font-size: 20px;
}

.post-card-title a {
    color: var(--text);
}

.post-meta {
    font-size: 13px;
    color: var(--text-soft);
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.badge {
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 12px;
}

.tag-chip {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 1px 9px;
    font-size: 12px;
    color: var(--text-soft);
}

.post-summary {
    margin: 8px 0 0;
    color: var(--text-soft);
    font-size: 15px;
}

.return-home {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 12px 0 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--text);
    color: #fff;
    font-size: 13px;
    line-height: 1;
}

.return-home svg {
    width: 16px;
    height: 16px;
    display: block;
    fill: currentColor;
}

.return-home:hover {
    background: var(--accent);
    text-decoration: none;
    color: #fff;
}

.return-home[hidden] {
    display: none;
}

.pager {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: center;
    padding: 28px 0 0;
    font-size: 14px;
    color: var(--text-soft);
}

.post {
    max-width: 100%;
}

.post-title {
    font-size: 28px;
    margin: 0 0 10px;
    line-height: 1.4;
}

.draft-banner {
    margin: 0 0 16px;
    padding: 8px 12px;
    background: var(--accent-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
}

.post-nav {
    margin: 36px 0 0;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 14px;
}

.archive-month {
    font-size: 17px;
    margin: 28px 0 10px;
    color: var(--text-soft);
}

.archive-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.archive-list li {
    padding: 6px 0;
    display: flex;
    gap: 12px;
    font-size: 15px;
}

.archive-date {
    color: var(--text-soft);
    font-family: var(--mono);
    font-size: 13px;
    min-width: 48px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud a {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px 12px;
    font-size: 13px;
    color: var(--text-soft);
}

.tag-cloud.large a {
    font-size: 15px;
    padding: 5px 16px;
}

.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 40px;
    padding: 24px 0;
    font-size: 13px;
    color: var(--text-soft);
    text-align: center;
}

.site-footer p {
    margin: 4px 0;
}

.beian a {
    color: var(--text-soft);
}

.beian-police {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    vertical-align: middle;
}

.beian-police img {
    width: 16px;
    height: 16px;
}

.markdown {
    line-height: 1.8;
}

.markdown h1,
.markdown h2,
.markdown h3 {
    margin: 28px 0 12px;
    line-height: 1.4;
}

.markdown h2 {
    font-size: 21px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

.markdown p {
    margin: 14px 0;
}

.markdown ul,
.markdown ol {
    padding-left: 24px;
}

.markdown li {
    margin: 6px 0;
}

.markdown blockquote {
    margin: 16px 0;
    padding: 8px 16px;
    border-left: 3px solid var(--border);
    color: var(--text-soft);
    background: var(--bg-soft);
}

.markdown code {
    font-family: var(--mono);
    font-size: 14px;
    background: var(--bg-soft);
    border-radius: 4px;
    padding: 2px 5px;
}

.markdown pre {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    overflow-x: auto;
}

.markdown pre code {
    background: none;
    padding: 0;
    font-size: 13.5px;
    line-height: 1.6;
}

.markdown img {
    max-width: 100%;
    border-radius: var(--radius);
}

.markdown table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    font-size: 15px;
}

.markdown th,
.markdown td {
    border: 1px solid var(--border);
    padding: 8px 12px;
}

.markdown th {
    background: var(--bg-soft);
}

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

.admin-wrap {
    max-width: 960px;
    margin: 32px auto;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
}

.editor-wrap {
    max-width: 1080px;
}

.admin-wide {
    max-width: 1120px;
}

.admin-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

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

.admin-nav-links a {
    padding: 6px 12px;
    border-radius: var(--radius);
    color: var(--text-soft);
}

.admin-nav-links a.active {
    background: var(--accent);
    color: #fff;
}

.admin-nav-links a.active:hover {
    color: #fff;
    text-decoration: none;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 18px;
}

.skill-help {
    margin-bottom: 18px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-soft);
}

.skill-help h2 {
    margin: 0 0 8px;
    font-size: 16px;
}

.skill-help ol {
    margin: 8px 0 12px;
    padding-left: 1.2em;
}

.skill-help li {
    margin: 4px 0;
}

.token-once {
    margin-bottom: 16px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-soft);
}

.token-once input {
    font-family: ui-monospace, Consolas, monospace;
}

.hint {
    color: var(--text-soft);
    font-size: 13px;
}

.form-error {
    color: var(--danger);
    margin: 0 0 12px;
}

.table-scroll {
    overflow-x: auto;
}

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

.title-input {
    flex: 1 1 320px;
    font-size: 19px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.btn {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
}

.btn:hover {
    text-decoration: none;
    border-color: var(--accent);
    color: var(--accent);
}

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

.btn.primary:hover {
    opacity: 0.9;
    color: #fff;
}

.btn.small {
    padding: 4px 10px;
    font-size: 13px;
}

.link-danger {
    border: none;
    background: none;
    color: var(--danger);
    cursor: pointer;
    padding: 0;
    font-size: 14px;
}

.inline-form {
    display: inline;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    color: var(--text-soft);
    font-weight: 600;
}

.ops {
    display: flex;
    gap: 14px;
    align-items: center;
}

.post-form label,
.form-row label {
    display: block;
    margin: 12px 0;
    font-size: 14px;
    color: var(--text-soft);
}

.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
}

label.inline {
    display: flex;
    align-items: center;
    gap: 6px;
}

input[type="text"],
input[type="password"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
}

.form-row input[type="text"] {
    width: auto;
    min-width: 220px;
}

textarea {
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.6;
}

select {
    width: auto;
}

.editor-toolbar {
    position: relative;
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    padding: 8px 0;
    border-top: 1px dashed var(--border);
    border-bottom: 1px dashed var(--border);
    margin: 8px 0 12px;
}

.admin-pager {
    padding-top: 18px;
}

.editor-heading h1 {
    margin: 0;
    font-size: 20px;
}

.editor-back {
    display: inline-block;
    margin-bottom: 4px;
    font-size: 13px;
    color: var(--text-soft);
}

.editor-wrap .title-input {
    width: 100%;
    margin: 4px 0 16px;
    padding: 8px 2px 12px;
    border: none;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    font-size: 28px;
    font-weight: 650;
    line-height: 1.3;
}

.editor-wrap .title-input:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

.status-switch {
    margin: 0;
    padding: 0;
    border: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.status-switch legend {
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-soft);
}

.status-option {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    background: var(--bg);
}

.status-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.status-option strong {
    color: var(--text);
    font-size: 15px;
}

.status-option small {
    color: var(--text-soft);
    font-size: 12px;
    line-height: 1.4;
}

.status-option-draft:has(input:checked) {
    border-color: #bf8700;
    background: #fff8e6;
}

.status-option-published:has(input:checked) {
    border-color: #1a7f37;
    background: #e6f4ea;
}

.status-banner {
    margin: 12px 0 4px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
}

.status-banner.is-draft {
    background: #fff8e6;
    color: #7d4e00;
}

.status-banner.is-published {
    background: #e6f4ea;
    color: #116329;
}

.post-form.is-published #save-btn {
    background: #1a7f37;
    border-color: #1a7f37;
}

.post-form.is-published #save-btn:hover {
    color: #fff;
    opacity: 0.92;
}

.status-pill {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 650;
    line-height: 1.6;
}

.status-pill.is-draft {
    background: #fff8e6;
    color: #7d4e00;
}

.status-pill.is-published {
    background: #e6f4ea;
    color: #116329;
}

.editor-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
    margin-top: 8px;
}

.editor-meta .summary-field,
.editor-meta .pin-option {
    grid-column: 1 / -1;
}

.editor-meta input[type="text"],
.editor-meta textarea {
    width: 100%;
}

.editor-toolbar .toolbar-aside {
    margin-left: auto;
}

.content-field textarea {
    min-height: 420px;
    resize: vertical;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 720px) {
    .status-switch,
    .editor-meta {
        grid-template-columns: 1fr;
    }

    .editor-wrap .title-input {
        font-size: 22px;
    }

    .editor-toolbar .toolbar-aside {
        margin-left: 0;
    }
}

.login-box {
    max-width: 360px;
    margin: 96px auto;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}

.login-box h1 {
    font-size: 20px;
    margin: 0 0 18px;
}

.login-box button {
    width: 100%;
    margin-top: 10px;
    padding: 9px;
}

.error {
    color: var(--danger);
    font-size: 14px;
}

.notice {
    color: var(--text-soft);
    font-size: 14px;
}

.back {
    margin-top: 16px;
    font-size: 14px;
}

/* 404 页面：原来写在 style="" 里的内联样式，为了 CSP 统一挪到这里 */
.center-placeholder {
    text-align: center;
    padding: 80px 0;
}

@media (max-width: 860px) {
    .main {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        flex: 1 1 auto;
    }
}