:root {
  color-scheme: light dark;
  --background: #fafafa;
  --foreground: #09090b;
  --card: #ffffff;
  --muted: #f4f4f5;
  --muted-foreground: #71717a;
  --border: #e4e4e7;
  --input: #e4e4e7;
  --primary: #18181b;
  --primary-foreground: #fafafa;
  --secondary: #f4f4f5;
  --secondary-foreground: #18181b;
  --accent: #f4f4f5;
  --destructive: #dc2626;
  --destructive-foreground: #ffffff;
  --success: #16a34a;
  --success-soft: #dcfce7;
  --warning: #d97706;
  --warning-soft: #fef3c7;
  --info: #2563eb;
  --info-soft: #dbeafe;
  --danger-soft: #fee2e2;
  --ring: #a1a1aa;
  --radius: 8px;
  --shadow: 0 1px 2px rgb(0 0 0 / .05);
  --shadow-lg: 0 20px 50px rgb(0 0 0 / .18);
  --sidebar: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #09090b;
    --foreground: #fafafa;
    --card: #101012;
    --muted: #1c1c20;
    --muted-foreground: #a1a1aa;
    --border: #27272a;
    --input: #2e2e33;
    --primary: #fafafa;
    --primary-foreground: #18181b;
    --secondary: #27272a;
    --secondary-foreground: #fafafa;
    --accent: #1f1f23;
    --destructive: #ef4444;
    --destructive-foreground: #ffffff;
    --success: #4ade80;
    --success-soft: #14532d;
    --warning: #fbbf24;
    --warning-soft: #451a03;
    --info: #60a5fa;
    --info-soft: #1e3a8a;
    --danger-soft: #450a0a;
    --ring: #d4d4d8;
    --shadow: 0 1px 2px rgb(0 0 0 / .4);
    --shadow-lg: 0 20px 50px rgb(0 0 0 / .6);
    --sidebar: #0c0c0e;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--background); color: var(--foreground); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 24px; font-weight: 600; letter-spacing: -.02em; }
h2 { font-size: 16px; font-weight: 600; letter-spacing: -.01em; }
h3 { font-size: 14px; font-weight: 600; }
.muted { color: var(--muted-foreground); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.hidden { display: none !important; }
.stack { display: grid; gap: 16px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1; }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- layout ---- */
.shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 16px 12px; border-right: 1px solid var(--border); background: var(--sidebar); }
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 8px 18px; }
.brand-mark { display: block; width: 34px; height: 34px; flex: none; border-radius: 50%; object-fit: contain; }
.brand div { display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: 13px; font-weight: 600; }
.brand span { font-size: 11px; color: var(--muted-foreground); }
.nav { display: grid; gap: 2px; }
.nav-item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px; border: 0; border-radius: 6px; background: transparent; color: var(--muted-foreground); text-decoration: none; font-weight: 500; cursor: pointer; transition: background .12s, color .12s; text-align: left; }
.nav-item:hover { background: var(--accent); color: var(--foreground); }
.nav-item.active { background: var(--secondary); color: var(--foreground); }
.nav-item svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.sidebar-footer { margin-top: auto; display: grid; gap: 6px; }
.sidebar-version { padding: 4px 10px; font-size: 11px; color: var(--muted-foreground); }
.main { min-width: 0; padding: 28px 32px 48px; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.page-header p { margin-top: 3px; }
.page-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.page-content { display: grid; gap: 20px; max-width: 1400px; }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 36px; padding: 0 14px; border: 1px solid transparent; border-radius: 6px; background: var(--primary); color: var(--primary-foreground); font-weight: 500; font-size: 13px; cursor: pointer; white-space: nowrap; transition: background .12s, opacity .12s, border-color .12s; text-decoration: none; }
.btn:hover { opacity: .9; }
.btn:disabled { opacity: .5; cursor: default; pointer-events: none; }
.btn:focus-visible, .input:focus-visible, .select:focus-visible, .nav-item:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
.btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.btn-outline { background: var(--card); color: var(--foreground); border-color: var(--input); }
.btn-outline:hover { background: var(--accent); opacity: 1; }
.btn-ghost { background: transparent; color: var(--foreground); }
.btn-ghost:hover { background: var(--accent); opacity: 1; }
.btn-secondary { background: var(--secondary); color: var(--secondary-foreground); }
.btn-destructive { background: var(--destructive); color: var(--destructive-foreground); }
.btn-destructive-outline { background: transparent; color: var(--destructive); border-color: color-mix(in srgb, var(--destructive) 40%, transparent); }
.btn-destructive-outline:hover { background: var(--danger-soft); opacity: 1; }
.btn-sm { height: 30px; padding: 0 10px; font-size: 12px; }
.btn-xs { height: 26px; padding: 0 8px; font-size: 12px; }
.btn-icon { width: 32px; padding: 0; }
.btn-block { width: 100%; }
.btn.loading { position: relative; color: transparent !important; pointer-events: none; }
.btn.loading::after { content: ""; position: absolute; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; color: var(--primary-foreground); animation: spin .7s linear infinite; }
.btn-outline.loading::after, .btn-ghost.loading::after { color: var(--foreground); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- cards ---- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 18px 20px 0; }
.card-header p { margin-top: 2px; font-size: 13px; }
.card-content { padding: 18px 20px 20px; }
.card-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .shell { grid-template-columns: 200px 1fr; } .main { padding: 20px; } }

.stat { padding: 16px 18px; }
.stat-label { font-size: 12px; font-weight: 500; color: var(--muted-foreground); }
.stat-value { margin-top: 6px; font-size: 26px; font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
.stat-hint { margin-top: 6px; font-size: 12px; color: var(--muted-foreground); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; font-size: 13px; }
.kv dt { color: var(--muted-foreground); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* ---- forms ---- */
.field { display: grid; gap: 6px; font-size: 13px; font-weight: 500; }
.field > span { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.field .hint { font-weight: 400; font-size: 12px; color: var(--muted-foreground); }
.input, .select, .textarea { width: 100%; height: 36px; padding: 0 11px; border: 1px solid var(--input); border-radius: 6px; background: var(--card); color: var(--foreground); font-weight: 400; transition: border-color .12s, box-shadow .12s; }
.textarea { height: auto; min-height: 90px; padding: 9px 11px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: 0; border-color: var(--ring); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 25%, transparent); }
.input::placeholder { color: var(--muted-foreground); }
.select { appearance: none; padding-right: 32px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; cursor: pointer; }
.input-group { display: flex; gap: 8px; }
.input-group .input { flex: 1; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid .wide { grid-column: 1 / -1; }
.form-error { margin: 0; font-size: 13px; color: var(--destructive); }
.switch { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 500; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch i { position: relative; width: 38px; height: 22px; border-radius: 999px; background: var(--input); transition: background .15s; flex: none; }
.switch i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--card); box-shadow: 0 1px 3px rgb(0 0 0 / .3); transition: transform .15s; }
.switch input:checked + i { background: var(--primary); }
.switch input:checked + i::after { transform: translateX(16px); }
.switch input:focus-visible + i { outline: 2px solid var(--ring); outline-offset: 2px; }

/* ---- table ---- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { font-size: 12px; font-weight: 500; color: var(--muted-foreground); white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: color-mix(in srgb, var(--accent) 60%, transparent); }
.table td.actions { text-align: right; white-space: nowrap; }
.table .cell-actions { display: inline-flex; gap: 4px; justify-content: flex-end; }
.empty { padding: 40px 20px; text-align: center; color: var(--muted-foreground); }
.empty strong { display: block; color: var(--foreground); margin-bottom: 4px; }

/* ---- badges ---- */
.badge { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 8px; border-radius: 999px; border: 1px solid transparent; font-size: 11px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.badge-default { background: var(--secondary); color: var(--secondary-foreground); }
.badge-outline { border-color: var(--border); color: var(--muted-foreground); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-danger { background: var(--danger-soft); color: var(--destructive); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ---- dialogs ---- */
.dialog { width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0; border: 1px solid var(--border); border-radius: 12px; background: var(--card); color: var(--foreground); box-shadow: var(--shadow-lg); overflow: auto; }
.dialog-sm { width: min(460px, calc(100vw - 32px)); }
.dialog-lg { width: min(760px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgb(0 0 0 / .55); backdrop-filter: blur(2px); }
.dialog-body { display: grid; gap: 14px; padding: 22px 24px; }
.dialog-body h2 { font-size: 17px; }
.dialog-body > p.muted { margin-top: -8px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
.callout { padding: 12px 14px; border-radius: 6px; border: 1px solid var(--border); background: var(--muted); font-size: 13px; }
.callout.warning { border-color: color-mix(in srgb, var(--warning) 45%, transparent); background: var(--warning-soft); color: var(--warning); }
.callout.danger { border-color: color-mix(in srgb, var(--destructive) 40%, transparent); background: var(--danger-soft); color: var(--destructive); }
.callout.success { border-color: color-mix(in srgb, var(--success) 40%, transparent); background: var(--success-soft); color: var(--success); }
.callout ul { margin: 6px 0 0; padding-left: 18px; }
.password-reveal { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px dashed var(--border); border-radius: 6px; background: var(--muted); }
.password-reveal code { flex: 1; font-size: 14px; letter-spacing: .04em; word-break: break-all; }

/* ---- popover menu ---- */
.menu-anchor { position: relative; display: inline-block; }
.menu { position: fixed; z-index: 60; min-width: 190px; padding: 4px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); box-shadow: var(--shadow-lg); display: grid; }
.menu button { display: flex; align-items: center; gap: 8px; width: 100%; padding: 7px 10px; border: 0; border-radius: 5px; background: transparent; text-align: left; cursor: pointer; font-size: 13px; }
.menu button:hover { background: var(--accent); }
.menu button.danger { color: var(--destructive); }
.menu hr { margin: 4px 0; border: 0; border-top: 1px solid var(--border); }

/* ---- toast ---- */
.toast-host { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: grid; gap: 8px; }
.toast { min-width: 260px; max-width: 420px; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--foreground); box-shadow: var(--shadow-lg); font-size: 13px; animation: toast-in .18s ease; }
.toast.success { border-color: color-mix(in srgb, var(--success) 50%, transparent); }
.toast.error { border-color: color-mix(in srgb, var(--destructive) 50%, transparent); }
.toast strong { display: block; margin-bottom: 2px; }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } }

/* ---- login ---- */
.login-body { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.login-card { width: min(400px, 100%); padding: 28px; border: 1px solid var(--border); border-radius: 12px; background: var(--card); box-shadow: var(--shadow-lg); display: grid; gap: 10px; }
.login-card form { display: grid; gap: 14px; margin-top: 12px; }
.login-card .field input { height: 40px; padding: 0 12px; border: 1px solid var(--input); border-radius: 6px; background: var(--card); }
.login-card .field input:focus { outline: 0; border-color: var(--ring); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 25%, transparent); }

/* ---- history timeline ---- */
.filters { display: grid; grid-template-columns: minmax(200px, 1.4fr) repeat(5, minmax(120px, 1fr)) auto; gap: 10px; align-items: end; }
@media (max-width: 1200px) { .filters { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.timeline { display: grid; gap: 10px; }
.event { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 14px; padding: 14px 16px; }
.event-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--muted); }
.event-icon svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.event-icon.insert { background: var(--success-soft); color: var(--success); }
.event-icon.update { background: var(--info-soft); color: var(--info); }
.event-icon.delete { background: var(--danger-soft); color: var(--destructive); }
.event-icon.restore { background: var(--warning-soft); color: var(--warning); }
.event-title { font-weight: 500; }
.event-title em { font-style: normal; font-weight: 600; }
.event-meta { margin-top: 3px; font-size: 12px; color: var(--muted-foreground); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.event-actions { display: flex; align-items: center; gap: 6px; }
.event-details { grid-column: 1 / -1; margin-top: 4px; padding-top: 12px; border-top: 1px solid var(--border); display: grid; gap: 10px; }
.entry { padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; background: color-mix(in srgb, var(--muted) 50%, transparent); display: grid; gap: 8px; }
.entry-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.entry-head .row { gap: 8px; }
.diff { width: 100%; border-collapse: collapse; font-size: 12px; }
.diff th, .diff td { padding: 6px 8px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.diff th { font-weight: 500; color: var(--muted-foreground); white-space: nowrap; }
.diff tr:last-child td { border-bottom: 0; }
.diff td.old { color: var(--destructive); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--destructive) 45%, transparent); }
.diff td.new { color: var(--success); }
.diff td.val { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-wrap: anywhere; max-width: 420px; }
.diff td.val.empty-val { color: var(--muted-foreground); font-style: italic; }
.load-more { justify-self: center; }
.progress { height: 6px; border-radius: 999px; background: var(--muted); overflow: hidden; }
.progress i { display: block; height: 100%; width: 40%; background: var(--primary); animation: indeterminate 1.2s infinite ease-in-out; }
@keyframes indeterminate { 0% { transform: translateX(-100%); } 100% { transform: translateX(300%); } }