:root {
    color-scheme: light;
    --bg: #f3f5f8;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #172033;
    --muted: #6b7280;
    --border: #dfe4ec;
    --primary: #0b66c3;
    --primary-hover: #07529d;
    --primary-soft: #eaf2ff;
    --danger: #c4323b;
    --danger-soft: #fff0f1;
    --success: #137a4d;
    --success-soft: #eaf8f1;
    --warning: #976000;
    --warning-soft: #fff8e5;
    --sidebar: #14243b;
    --sidebar-text: #dbe4f2;
    --sidebar-muted: #8795aa;
    --shadow: 0 8px 30px rgba(23, 32, 51, .07);
    --radius: 9px;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0d1421;
    --surface: #141e2e;
    --surface-2: #192538;
    --text: #edf2f8;
    --muted: #9eabba;
    --border: #2b394d;
    --primary: #64a0ff;
    --primary-hover: #80b2ff;
    --primary-soft: #1b3458;
    --danger: #ff7b83;
    --danger-soft: #402329;
    --success: #63d5a3;
    --success-soft: #19372c;
    --warning: #f0bf59;
    --warning-soft: #3a311b;
    --sidebar: #080e18;
    --sidebar-text: #dbe4f2;
    --sidebar-muted: #8795aa;
    --shadow: 0 8px 30px rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.55;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 244px;
    display: flex;
    flex-direction: column;
    background: var(--sidebar);
    color: var(--sidebar-text);
    z-index: 30;
    overflow-y: auto;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 76px;
    padding: 16px 20px;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand:hover { text-decoration: none; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 16px; letter-spacing: .02em; }
.brand small { margin-top: 2px; color: var(--sidebar-muted); font-size: 11px; }
.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    background: #2d73e8;
    color: white;
    border-radius: 8px;
    font-weight: 800;
    font-size: 17px;
}
.nav { padding: 12px; flex: 1; }
.nav-title {
    margin: 19px 10px 7px;
    color: var(--sidebar-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
}
.nav-link {
    display: flex;
    align-items: center;
    min-height: 39px;
    gap: 10px;
    margin: 2px 0;
    padding: 7px 10px;
    border-radius: 7px;
    color: var(--sidebar-text);
}
.nav-link:hover, .nav-link.active {
    background: rgba(100, 160, 255, .14);
    color: #fff;
    text-decoration: none;
}
.nav-icon {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 5px;
    color: #9eb4d3;
    font-size: 11px;
}
.sidebar-foot {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
}
.sidebar-foot span, .sidebar-foot small { display: block; }
.sidebar-foot small { color: var(--sidebar-muted); margin-top: 2px; font-size: 11px; }

.main { min-width: 0; flex: 1; margin-left: 244px; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: 64px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.topbar-title { font-weight: 700; }
.top-actions { display: flex; align-items: center; gap: 16px; }
.top-actions form { margin: 0; }
.text-button, .text-link {
    padding: 0;
    border: 0;
    background: none;
    color: var(--muted);
    cursor: pointer;
}
.text-button:hover, .text-link:hover { color: var(--text); text-decoration: none; }
.icon-button {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
}
.content { width: min(1500px, 100%); margin: 0 auto; padding: 28px; }
.page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}
.page-head h1 { margin: 0 0 4px; font-size: 24px; line-height: 1.25; letter-spacing: -.02em; }
.page-head p { margin: 0; color: var(--muted); }
.button-group { display: flex; gap: 8px; }

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.panel-head {
    min-height: 56px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}
.panel-head h2 { margin: 0; font-size: 16px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    display: grid;
    gap: 7px;
    padding: 19px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text);
}
.stat-card:hover { border-color: var(--primary); text-decoration: none; }
.stat-card span, .stat-card small { color: var(--muted); }
.stat-card strong { font-size: 30px; line-height: 1; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.list-stack > a {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3px 10px;
    align-items: center;
    padding: 13px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
.list-stack > a:last-child { border-bottom: 0; }
.list-stack > a:hover { background: var(--surface-2); text-decoration: none; }
.list-stack small { grid-column: 2; color: var(--muted); }
.badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 2px 7px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 11px;
    white-space: nowrap;
}
.priority-3, .priority-4 { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
}
.button:hover { border-color: var(--primary); text-decoration: none; }
.button-primary { border-color: var(--primary); background: var(--primary); color: white; }
.button-primary:hover { border-color: var(--primary-hover); background: var(--primary-hover); color: white; }
.button-danger { border-color: var(--danger); background: var(--danger); color: white; }
.button-quiet { background: transparent; }
.button-block { width: 100%; }
.button-small { min-height: 32px; padding: 5px 11px; font-size: 12px; }

.filter-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}
.filter-grid { align-items: stretch; }
input, select, textarea {
    width: 100%;
    min-height: 40px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 7px;
    outline: none;
    background: var(--surface);
    color: var(--text);
}
.filter-bar input, .filter-bar select { width: auto; min-width: 155px; }
.search-panel { margin-bottom: 16px; padding: 14px; box-shadow: none; }
.search-primary { display: flex; align-items: center; gap: 8px; }
.search-keyword { flex: 1; }
.search-keyword input { min-width: 260px; }
.advanced-search { margin-top: 12px; border-top: 1px solid var(--border); }
.advanced-search summary { width: fit-content; padding-top: 11px; color: var(--primary); font-weight: 700; }
.advanced-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 12px;
}
.filter-field { display: grid; gap: 5px; }
.filter-field > span { color: var(--muted); font-size: 11px; font-weight: 700; }
input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
textarea { resize: vertical; }
.table-panel { overflow: hidden; }
.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); color: var(--muted); font-size: 12px; font-weight: 700; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--primary-soft) 30%, transparent); }
.row-actions { display: flex; gap: 10px; }
.actions-column { min-width: 100px; }
.muted { color: var(--muted); }
.mono, code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.empty { padding: 35px 18px; text-align: center; color: var(--muted); }
.pagination { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 16px; }
.pagination a {
    display: grid;
    place-items: center;
    min-width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
}
.pagination a.active { border-color: var(--primary); background: var(--primary); color: white; }
.pagination a:hover { text-decoration: none; }

.form-panel { padding: 22px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: grid; gap: 6px; align-content: start; }
.field > span { color: var(--muted); font-size: 12px; font-weight: 700; }
.field-wide { grid-column: 1 / -1; }
.field-error { color: var(--danger); }
.form-actions { display: flex; gap: 8px; padding-top: 22px; margin-top: 22px; border-top: 1px solid var(--border); }
.narrow-form { max-width: 620px; }
fieldset { margin: 0 0 22px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); }
legend { padding: 0 8px; color: var(--muted); font-weight: 700; }
.permission-grid { margin-top: 22px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.permission-grid legend { grid-column: 1 / -1; }
.permission-group { display: grid; gap: 6px; padding: 14px; background: var(--surface-2); border-radius: 7px; }
.permission-group strong { margin-bottom: 4px; }
.permission-group label { display: flex; align-items: center; gap: 7px; }
.permission-group input { width: 16px; min-height: 16px; }
.permission-group small { color: var(--muted); }

.detail-panel { padding: 22px; }
.detail-panel > .panel-head { margin: -22px -22px 0; }
.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 0; }
.detail-grid > div { padding: 16px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.detail-grid > div:nth-child(3n) { border-right: 0; }
.detail-grid dt { margin-bottom: 5px; color: var(--muted); font-size: 12px; font-weight: 700; }
.detail-grid dd { margin: 0; overflow-wrap: anywhere; }
.detail-grid .detail-wide { grid-column: 1 / -1; border-right: 0; }
.danger-zone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 24px;
    padding: 18px;
    border: 1px solid color-mix(in srgb, var(--danger) 45%, var(--border));
    border-radius: var(--radius);
    background: var(--danger-soft);
}
.danger-zone p { margin: 3px 0 0; color: var(--muted); }

.record-hero {
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 106px;
    margin-bottom: 0;
    padding: 18px 20px;
    border-radius: var(--radius) var(--radius) 0 0;
    box-shadow: none;
}
.record-avatar {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    flex: 0 0 auto;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 21px;
    font-weight: 800;
}
.record-identity { min-width: 0; flex: 1; }
.record-identity h1 { margin: 2px 0; font-size: 24px; line-height: 1.25; }
.record-identity p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.record-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 18px;
    padding: 0 13px;
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 var(--radius) var(--radius);
}
.record-tabs a {
    padding: 13px 12px 11px;
    border-bottom: 3px solid transparent;
    color: var(--muted);
    white-space: nowrap;
    font-weight: 700;
}
.record-tabs a:hover { color: var(--text); text-decoration: none; }
.record-tabs a.active { border-bottom-color: var(--primary); color: var(--primary); }
.tab-panel { box-shadow: none; }
.context-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 18px 0; }
.context-card { min-height: 190px; box-shadow: none; }
.context-card h3 { margin: 18px 18px 5px; font-size: 18px; }
.context-card p { margin: 3px 18px; }
.empty.compact { padding: 25px 18px; }
.related-section { margin-top: 18px; box-shadow: none; }

.alert { margin-bottom: 16px; padding: 11px 14px; border: 1px solid var(--border); border-radius: 7px; }
.alert-danger { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); background: var(--danger-soft); color: var(--danger); }
.alert-success { border-color: color-mix(in srgb, var(--success) 40%, var(--border)); background: var(--success-soft); color: var(--success); }
.alert-warning { border-color: color-mix(in srgb, var(--warning) 40%, var(--border)); background: var(--warning-soft); color: var(--warning); }
details { margin: 2px 0; }
summary { color: var(--primary); cursor: pointer; }
pre {
    max-width: 520px;
    max-height: 300px;
    padding: 12px;
    overflow: auto;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text);
}
.error-page { padding: 80px 20px; text-align: center; }
.error-page > span { color: var(--primary); font-size: 64px; font-weight: 800; }
.error-page h1 { margin: 4px 0 10px; }
.error-page p { color: var(--muted); }

.login-page, .install-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 24px;
    background:
        radial-gradient(circle at 10% 10%, color-mix(in srgb, var(--primary) 15%, transparent), transparent 28%),
        var(--bg);
}
.login-card, .install-card {
    width: min(430px, 100%);
    padding: 34px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
}
.install-card { width: min(760px, 100%); }
.login-card h1, .install-card h1 { margin: 13px 0 4px; font-size: 24px; }
.login-card > p, .install-card > p { margin: 0 0 22px; color: var(--muted); }
.login-card form { display: grid; gap: 15px; }
.login-card > small { display: block; margin-top: 18px; color: var(--muted); text-align: center; }
.login-brand { display: flex; }
.success-mark {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--success-soft);
    color: var(--success);
    font-size: 24px;
}
.sr-only { position: absolute!important; width: 1px!important; height: 1px!important; padding: 0!important; margin: -1px!important; overflow: hidden!important; clip: rect(0,0,0,0)!important; white-space: nowrap!important; border: 0!important; }
.mobile-only { display: none; }

@media (max-width: 1100px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-grid > div:nth-child(3n) { border-right: 1px solid var(--border); }
    .detail-grid > div:nth-child(2n) { border-right: 0; }
    .permission-grid { grid-template-columns: repeat(2, 1fr); }
    .advanced-grid { grid-template-columns: repeat(3, minmax(150px, 1fr)); }
}
@media (max-width: 820px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s ease; }
    .sidebar.open { transform: translateX(0); box-shadow: 10px 0 30px rgba(0,0,0,.25); }
    .main { margin-left: 0; }
    .mobile-only { display: inline-grid; }
    .topbar { padding: 0 16px; }
    .topbar-title { display: none; }
    .content { padding: 20px 14px; }
    .two-column { grid-template-columns: 1fr; }
    .advanced-grid { grid-template-columns: repeat(2, minmax(150px, 1fr)); }
}
@media (max-width: 620px) {
    .page-head { flex-direction: column; }
    .page-head .button, .button-group { width: 100%; }
    .button-group .button { flex: 1; }
    .stats-grid, .form-grid, .permission-grid, .detail-grid { grid-template-columns: 1fr; }
    .detail-grid > div { border-right: 0!important; }
    .filter-bar input, .filter-bar select { width: 100%; }
    .search-primary { flex-wrap: wrap; }
    .search-keyword { flex-basis: 100%; }
    .search-keyword input { min-width: 0; }
    .advanced-grid, .context-grid { grid-template-columns: 1fr; }
    .record-hero { align-items: flex-start; flex-wrap: wrap; }
    .record-hero .button-group { width: 100%; }
    .danger-zone { align-items: stretch; flex-direction: column; }
    .top-actions { gap: 10px; }
    .text-link { display: none; }
    .login-card, .install-card { padding: 23px; }
}