:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e3e8ef;
  --text: #0f1b2d;
  --muted: #5b6b82;
  --primary: #0f3d5e;
  --primary-hover: #0b2f49;
  --accent: #0e9f8a;
  --danger: #b42318;
  --warn-bg: #fff6e5;
  --warn: #8a5a00;
  --ok: #067647;
  --ok-bg: #e7f6ee;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(15, 27, 45, .05), 0 6px 24px rgba(15, 27, 45, .06);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c131d; --surface: #131c28; --surface-2: #18232f; --border: #263345;
    --text: #e6edf6; --muted: #91a1b8; --primary: #3b8fd1; --primary-hover: #5aa3dc;
    --accent: #2cc5ad; --danger: #f97066; --warn-bg: #2e2412; --warn: #f5c26b;
    --ok: #47cd89; --ok-bg: #0f2a1d; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
h1, h2, h3 { margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: 26px; } h2 { font-size: 22px; } h3 { font-size: 15px; }
code, .mono { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-size: 12.5px; }
.hidden { display: none !important; }
.muted { color: var(--muted); } .small { font-size: 12.5px; }
.hint { color: var(--muted); font-weight: 400; font-size: 12px; }

/* Forms */
label { display: flex; flex-direction: column; gap: 5px; font-weight: 500; font-size: 13px; margin-bottom: 12px; }
input, select {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 11px; min-height: 38px; width: 100%;
}
input:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); border-color: var(--primary); }
label.check { flex-direction: row; align-items: center; gap: 8px; }
label.check input { width: auto; min-height: 0; }
.form-error { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; font-size: 13px; }

.btn {
  font: inherit; font-weight: 600; border-radius: 8px; padding: 8px 14px; min-height: 38px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.ghost { background: transparent; }
.btn.sm { min-height: 30px; padding: 4px 10px; font-size: 12.5px; }
.btn.block { width: 100%; margin-top: 6px; }
.btn:disabled { opacity: .6; cursor: progress; }

/* Auth */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 32px 28px; box-shadow: var(--shadow); }
.brand-mark { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: var(--primary); color: #fff; font-weight: 700; letter-spacing: .04em; margin-bottom: 18px; }
.brand-mark.sm { width: 32px; height: 32px; font-size: 11px; margin: 0; border-radius: 8px; }

/* Shell */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 18px 14px; position: sticky; top: 0; height: 100vh; }
.side-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; padding: 0 6px 18px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a { color: var(--muted); text-decoration: none; padding: 9px 10px; border-radius: 8px; font-weight: 500; }
.sidebar nav a:hover { background: var(--surface-2); color: var(--text); }
.sidebar nav a.active { background: color-mix(in srgb, var(--primary) 10%, transparent); color: var(--primary); font-weight: 600; }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 8px; padding: 0 6px; }
.content { padding: 28px 32px 48px; min-width: 0; }
.view-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.view-head h2 { margin: 0; }

/* Stats & panels */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat span { color: var(--muted); font-size: 12.5px; font-weight: 500; }
.stat b { display: block; font-size: 28px; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.panel.narrow { max-width: 440px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.pill { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.pill.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.pill.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.pill.bad { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); border-color: transparent; }

/* Filters */
.filters { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 10px; }
.filters label { margin: 0; min-width: 150px; }
.filters .spacer { flex: 1; }
.search { max-width: 260px; }
.tabs { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 3px; margin-bottom: 14px; }
.tab { font: inherit; font-weight: 600; border: 0; background: transparent; color: var(--muted); padding: 6px 14px; border-radius: 7px; cursor: pointer; }
.tab.active { background: var(--primary); color: #fff; }

/* Tables */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; max-height: 68vh; margin-top: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { position: sticky; top: 0; background: var(--surface-2); color: var(--muted); font-weight: 600; font-size: 12px; z-index: 1; }
tbody tr:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.empty { text-align: center; color: var(--muted); padding: 28px; }
td .mono { color: var(--muted); }
.badge { font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--ok-bg); color: var(--ok); }
.badge.off { background: var(--surface-2); color: var(--muted); }

/* Dialogs */
dialog { border: 1px solid var(--border); border-radius: 14px; padding: 24px; width: min(520px, calc(100vw - 32px)); background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(10, 18, 30, .45); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.warn { background: var(--warn-bg); color: var(--warn); padding: 10px 12px; border-radius: 8px; font-size: 13px; }
.keybox { display: flex; gap: 8px; align-items: center; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin: 12px 0; }
.keybox code { flex: 1; word-break: break-all; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-weight: 500; z-index: 100; box-shadow: var(--shadow); max-width: calc(100vw - 32px); }

/* Mobile */
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 16px; gap: 8px; border-right: 0; border-bottom: 1px solid var(--border); }
  .side-brand { padding: 0; }
  .sidebar nav { flex-direction: row; overflow-x: auto; width: 100%; order: 3; }
  .side-foot { margin: 0 0 0 auto; flex-direction: row; align-items: center; }
  .content { padding: 20px 16px 40px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters label { min-width: 0; flex: 1 1 140px; }
  .grid2 { grid-template-columns: 1fr; }
}
@media print {
  .sidebar, .filters, .tabs, .view-head .btn { display: none !important; }
  .shell { display: block; } .table-wrap { max-height: none; overflow: visible; border: 0; }
}