:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff4ff;
  --success: #15803d;
  --success-soft: #e8f7ee;
  --warning: #b45309;
  --warning-soft: #fdf3e2;
  --danger: #dc2626;
  --danger-soft: #fdecec;
  --info: #0369a1;
  --info-soft: #e6f3fb;
  --sidebar: #0b1220;
  --sidebar-text: #94a3b8;
  --sidebar-active: #1e293b;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .06);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
code { background: #f1f5f9; padding: 1px 5px; border-radius: 4px; word-break: break-all; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
h2 { font-size: 15px; display: flex; align-items: center; gap: 8px; }
h3 { font-size: 14px; margin: 18px 0 8px; }
.icon { flex-shrink: 0; vertical-align: middle; }
.muted { color: var(--muted); }
.small, small { font-size: 12.5px; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt { margin-top: 16px; }

/* ---------- layout ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--sidebar); color: var(--sidebar-text);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; padding: 18px 12px;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 17px; padding: 4px 10px 22px; }
.brand:hover { text-decoration: none; }
.brand .icon { color: #60a5fa; }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a, .sidebar-foot a, .sidebar-foot .linklike {
  display: flex; align-items: center; gap: 11px; padding: 9px 12px; border-radius: 8px;
  color: var(--sidebar-text); font-weight: 500; font-size: 14px;
}
.nav a:hover, .sidebar-foot a:hover, .sidebar-foot .linklike:hover { background: var(--sidebar-active); color: #e2e8f0; text-decoration: none; }
.nav a.active, .sidebar-foot a.active { background: var(--sidebar-active); color: #fff; }
.nav a.active .icon { color: #60a5fa; }
.sidebar-foot { border-top: 1px solid #1e293b; padding-top: 12px; display: flex; flex-direction: column; gap: 2px; }
.sidebar-foot form { margin: 0; }
.linklike { background: none; border: 0; width: 100%; cursor: pointer; font: inherit; text-align: left; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 14px; padding: 18px 28px; background: var(--card);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 19px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-actions { display: flex; gap: 8px; }
.menu-toggle { display: none; }
.content { padding: 24px 28px 48px; max-width: 1400px; width: 100%; }

/* ---------- cards ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 20px; overflow-x: auto; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.head-actions { display: flex; align-items: center; gap: 8px; }
.card.narrow { max-width: 520px; }
.collapsible:not(.open) { display: none; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-2 > .card { margin-bottom: 0; }
.grid-2 + .card, .card + .grid-2, .grid-2 + .grid-2 { margin-top: 20px; }
.grid-wide-left { grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr); align-items: start; }
.danger-zone { border-color: #f5c2c2; }
.empty { color: var(--muted); padding: 12px 0; margin: 0; display: flex; align-items: center; gap: 8px; }
.empty-state { text-align: center; padding: 36px 16px; color: var(--muted); }
.empty-state .icon { color: var(--border-strong); }
.empty-state h3 { color: var(--text); margin: 12px 0 4px; font-size: 16px; }
.empty-state p { margin: 0; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat-label { color: var(--muted); font-size: 12.5px; font-weight: 500; text-transform: uppercase; letter-spacing: .03em; }
.stat-value { font-size: 28px; font-weight: 700; margin: 4px 0 2px; letter-spacing: -.02em; }
.stat-value small { font-size: 16px; color: var(--muted); font-weight: 500; }
.stat-foot { font-size: 12.5px; color: var(--muted); }
.stats-sm { margin: 18px 0 0; }
.stats-sm .stat { box-shadow: none; background: #f8fafc; }
.stats-sm .stat-value { font-size: 20px; }

/* ---------- tables ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 11px 10px; border-bottom: 1px solid #eef2f6; vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: #fafbfd; }
.table-compact td { padding: 7px 10px; }
.row-link { cursor: pointer; }
.row-disabled td { opacity: .55; }
.row-active td { background: var(--primary-soft); }
.actions { white-space: nowrap; text-align: right; }
.actions > * { display: inline-flex; vertical-align: middle; margin-left: 4px; }
.actions form { margin: 0; }
.w-30 { width: 30%; }
td.paths { max-width: 280px; word-break: break-all; }

/* ---------- badges, chips ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: #f1f5f9; color: var(--muted); white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-success, .badge-online { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-failed, .badge-offline { background: var(--danger-soft); color: var(--danger); }
.badge-running { background: var(--info-soft); color: var(--info); }
.badge-running::before { animation: pulse 1.2s infinite; }
.badge-queued, .badge-pending { background: #f1f5f9; color: #475569; }
.badge-cancelled { background: #f1f5f9; color: #94a3b8; }
@keyframes pulse { 50% { opacity: .3; } }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.chip { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; padding: 1px 8px; border-radius: 6px; background: #f1f5f9; color: #475569; font-weight: 500; }
.count { display: inline-block; min-width: 20px; text-align: center; font-size: 11.5px; padding: 0 6px; border-radius: 999px; background: #e2e8f0; color: #475569; font-weight: 600; }
.os { font-weight: 500; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-top: 6px; flex-shrink: 0; }
.dot-danger { background: var(--danger); }
.dot-warning { background: #f59e0b; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px;
  font: inherit; font-weight: 500; border-radius: 8px; border: 1px solid var(--border-strong); background: #fff;
  color: var(--text); cursor: pointer; text-decoration: none; white-space: nowrap; transition: background .15s, border-color .15s;
}
.btn:hover { background: #f8fafc; text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: default; }
.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; border: 1px solid transparent; background: none; color: var(--muted); cursor: pointer; }
.btn-icon:hover { background: #f1f5f9; color: var(--text); text-decoration: none; }
.btn-icon.danger:hover { background: var(--danger-soft); color: var(--danger); }

/* ---------- forms ---------- */
label { display: flex; flex-direction: column; gap: 5px; font-weight: 500; font-size: 13.5px; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=time], input:not([type]), select, textarea {
  font: inherit; font-weight: 400; padding: 8px 11px; border: 1px solid var(--border-strong); border-radius: 8px; background: #fff; color: var(--text); width: 100%;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .15); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.form-grid > p { margin: 0; }
.span-2 { grid-column: span 2; }
.form-stack { display: flex; flex-direction: column; gap: 14px; }
.form-stack h3 { margin: 6px 0 -4px; }
.form-row { display: flex; gap: 12px; align-items: flex-end; }
.form-row .grow { flex: 1; }
.w-port { width: 100px; }
label.check, label.radio, span.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; cursor: pointer; }
input[type=checkbox], input[type=radio] { width: 16px; height: 16px; accent-color: var(--primary); margin: 0; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 0; }
.inline-form input, .inline-form select { width: auto; min-width: 180px; }
.form-actions { display: flex; gap: 10px; }
.label { font-weight: 500; font-size: 13.5px; display: block; margin-bottom: 6px; }
.switch { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; }
.day-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.day-picker label { flex-direction: row; cursor: pointer; }
.day-picker input { display: none; }
.day-picker span { display: inline-block; padding: 6px 12px; border: 1px solid var(--border-strong); border-radius: 8px; font-weight: 500; user-select: none; }
.day-picker input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.retention-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.job-form .card-head h2 { flex: 1; }

/* ---------- alerts ---------- */
.alert { padding: 11px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-success { background: var(--success-soft); color: #14532d; border-color: #bfe5cc; }
.alert-error { background: var(--danger-soft); color: #7f1d1d; border-color: #f5c2c2; }
.alert-warning { background: var(--warning-soft); color: #78350f; border-color: #f3d9a8; }
.alert-info { background: var(--info-soft); color: #0c4a6e; border-color: #bae0f5; }

/* ---------- misc components ---------- */
.codebox { display: flex; align-items: center; gap: 10px; background: #0f172a; color: #e2e8f0; padding: 10px 12px; border-radius: 8px; margin: 10px 0; }
.codebox code { background: none; color: inherit; flex: 1; font-size: 12.5px; padding: 0; }
.codebox .btn { background: #1e293b; border-color: #334155; color: #e2e8f0; }
.codebox .btn:hover { background: #334155; }
.log { background: #0f172a; color: #cbd5e1; padding: 14px 16px; border-radius: 8px; font-family: var(--mono); font-size: 12px; line-height: 1.55; max-height: 600px; overflow: auto; white-space: pre-wrap; word-break: break-all; margin: 0; }
.progress { height: 6px; background: #e2e8f0; border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--primary); border-radius: 999px; transition: width .4s; }
.progress-lg { height: 10px; margin-bottom: 8px; }
.details { display: grid; grid-template-columns: 170px 1fr; gap: 8px 14px; margin: 0; }
.details dt { color: var(--muted); }
.details dd { margin: 0; min-width: 0; }
.details-inline { grid-template-columns: repeat(auto-fill, minmax(130px, auto) minmax(160px, 1fr)); margin-top: 14px; }
details.secret summary { cursor: pointer; color: var(--muted); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.issue-list { list-style: none; margin: 0; padding: 0; }
.issue-list li { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px solid #eef2f6; }
.issue-list li:last-child { border-bottom: 0; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; overflow-y: hidden; }
.tabs a { padding: 10px 14px; color: var(--muted); font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }
.pager { display: flex; gap: 4px; margin-top: 14px; flex-wrap: wrap; }
.pager a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); }
.pager a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.help h3 { margin-top: 0; }

/* server header */
.server-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.server-head-main { display: flex; gap: 14px; align-items: center; }
.server-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--primary-soft); color: var(--primary); }
.server-icon.os-windows { background: #e0f2fe; color: #0284c7; }
.server-title { font-size: 18px; font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.server-head-meta { display: flex; gap: 28px; }
.server-head-meta div { display: flex; flex-direction: column; }
.server-head-meta strong { font-size: 15px; }

/* restore */
.snap-summary { display: flex; gap: 32px; flex-wrap: wrap; }
.snap-summary div { display: flex; flex-direction: column; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 2px; font-family: var(--mono); font-size: 13px; }
.breadcrumb a { padding: 2px 4px; border-radius: 4px; }
.breadcrumb span.sep { color: var(--muted); }
.file-browser { min-height: 220px; max-height: 520px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.file-browser > p { padding: 16px; margin: 0; }
.fb-row { display: grid; grid-template-columns: 28px 22px minmax(0, 1fr) 90px 130px; align-items: center; gap: 8px; padding: 7px 12px; border-bottom: 1px solid #f1f5f9; font-size: 13.5px; }
.fb-row:hover { background: #fafbfd; }
.fb-row .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fb-row .name a { color: var(--text); font-weight: 500; }
.fb-row .size, .fb-row .mtime { color: var(--muted); font-size: 12.5px; text-align: right; }
.fb-row .icon { color: var(--muted); }
.fb-row.dir .icon { color: #d97706; }
.fb-wait { padding: 30px; text-align: center; color: var(--muted); }
.spinner { width: 22px; height: 22px; border: 3px solid #e2e8f0; border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; margin-bottom: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
.selected-box { background: #f8fafc; border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 16px; }
.sel-list { list-style: none; padding: 0; margin: 8px 0 0; max-height: 160px; overflow: auto; font-family: var(--mono); font-size: 12px; }
.sel-list li { display: flex; justify-content: space-between; gap: 6px; padding: 2px 0; word-break: break-all; }
.sel-list button { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 0 4px; }
.db-row { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid #eef2f6; flex-wrap: wrap; margin: 0; }
.db-row .db-name { flex: 1; min-width: 200px; display: flex; align-items: center; gap: 8px; }
.db-row label.inline { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }
.db-row label.inline input { width: 200px; }
.pubkey h3 { display: flex; align-items: center; gap: 6px; }

/* ---------- auth & installer ---------- */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; background: radial-gradient(circle at 30% 20%, #1e3a8a 0, #0b1220 60%); }
.auth-card { background: #fff; padding: 32px; border-radius: 14px; width: 100%; max-width: 380px; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); display: flex; flex-direction: column; gap: 14px; }
.auth-card.wide { max-width: 560px; }
.auth-card p { margin: 0; }
.auth-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.auth-brand .icon { color: var(--primary); }
.checklist { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.checklist .ok { color: var(--success); }
.checklist .bad { color: var(--danger); font-weight: 600; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-wide-left { grid-template-columns: 1fr; }
  .retention-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .sidebar { position: fixed; left: -240px; z-index: 20; transition: left .2s; }
  .sidebar.open { left: 0; box-shadow: 0 0 40px rgba(0, 0, 0, .4); }
  .menu-toggle { display: inline-flex; }
  .topbar { padding: 12px 16px; }
  .content { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .stats { grid-template-columns: 1fr 1fr; }
  .card { overflow-x: auto; }
  .details { grid-template-columns: 1fr; gap: 2px; }
  .details dd { margin-bottom: 8px; }
  .fb-row { grid-template-columns: 28px 22px minmax(0, 1fr) 70px; }
  .fb-row .mtime { display: none; }
  .server-head-meta { gap: 16px; }
}