:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-alt: #fafbfc;
  --border: #e3e6ea;
  --text: #1b1f24;
  --muted: #667085;
  --accent: #2f6fed;
  --accent-soft: #eaf1ff;
  --ok: #0f8a54;
  --ok-soft: #e7f6ee;
  --warn: #a86400;
  --warn-soft: #fdf3e2;
  --danger: #c0392b;
  --danger-soft: #fdecea;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1b1f26;
    --surface-alt: #21262e;
    --border: #2c333d;
    --text: #e8eaed;
    --muted: #9aa4b2;
    --accent: #6d9bff;
    --accent-soft: #1e2a44;
    --ok: #4ec98d;
    --ok-soft: #16302a;
    --warn: #e0a34a;
    --warn-soft: #33291a;
    --danger: #f08a80;
    --danger-soft: #35201f;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

header.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { font-weight: 650; font-size: 15px; letter-spacing: -.01em; white-space: nowrap; }
.brand span { color: var(--muted); font-weight: 400; }

nav.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
nav.tabs a {
  padding: 6px 11px;
  border-radius: 7px;
  color: var(--muted);
  font-weight: 500;
}
nav.tabs a:hover { background: var(--surface-alt); text-decoration: none; }
nav.tabs a.active { background: var(--accent-soft); color: var(--accent); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.neutral { background: var(--surface-alt); color: var(--muted); border-color: var(--border); }
.badge.accent { background: var(--accent-soft); color: var(--accent); }

main { padding: 20px; max-width: 1800px; margin: 0 auto; }

h1 { font-size: 20px; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 0 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
p.lead { color: var(--muted); margin: 0 0 18px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.grid { display: grid; gap: 14px; }
.kpis { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-bottom: 18px; }
.two-col { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }

.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi .label { color: var(--muted); font-size: 12.5px; font-weight: 500; }
.kpi .value { font-size: 26px; font-weight: 650; letter-spacing: -.02em; }
.kpi .hint { font-size: 12px; color: var(--muted); }
.kpi.danger .value { color: var(--danger); }
.kpi.warn .value { color: var(--warn); }
.kpi.ok .value { color: var(--ok); }

.toolbar { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 11.5px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }

input[type="text"], input[type="number"], input[type="email"], select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 9px;
  font: inherit;
  min-width: 110px;
  max-width: 220px;
}
input:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

button, .btn {
  background: var(--accent);
  color: #fff;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 7px 13px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
button:hover, .btn:hover { filter: brightness(1.06); text-decoration: none; }
button.secondary, .btn.secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
button.ghost, .btn.ghost { background: transparent; color: var(--accent); }
button.small, .btn.small { padding: 4px 9px; font-size: 12.5px; }
button:disabled { opacity: .55; cursor: not-allowed; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th {
  background: var(--surface-alt);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--muted);
  position: sticky;
  top: 0;
  z-index: 2;
}
th a { color: inherit; }
tbody tr:hover { background: var(--surface-alt); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.mono { font-family: var(--mono); font-size: 12px; }
td.wrap { white-space: normal; min-width: 260px; }
tfoot td { font-weight: 600; background: var(--surface-alt); }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; }
.flash.ok { background: var(--ok-soft); color: var(--ok); }
.flash.error { background: var(--danger-soft); color: var(--danger); }
.flash.warn { background: var(--warn-soft); color: var(--warn); }

.notice {
  background: var(--warn-soft);
  color: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 25%, transparent);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
}

.pager { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }

.section { margin-bottom: 26px; }
.chart-legend { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; font-size: 12px; color: var(--muted); }
.chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: baseline; }

dl.meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; font-size: 13px; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; font-weight: 500; }

details summary { cursor: pointer; font-weight: 600; }
pre.raw {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 11.5px;
}
.reason { color: var(--muted); font-size: 12px; white-space: normal; max-width: 460px; }
.htmx-request .table-wrap { opacity: .55; transition: opacity .15s; }
footer.foot { color: var(--muted); font-size: 12px; padding: 8px 20px 30px; max-width: 1800px; margin: 0 auto; }

/* --- Authentication -------------------------------------------------- */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  width: 100%;
  max-width: 380px;
}
.auth-title { font-size: 17px; font-weight: 650; margin: 0 0 20px; letter-spacing: -.01em; }
.auth-title span { color: var(--muted); font-weight: 500; }
.auth-form { display: flex; flex-direction: column; gap: 6px; }
.auth-form.narrow { max-width: 340px; }
.auth-form label {
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
  margin-top: 10px;
}
.auth-form input[type="text"],
.auth-form input[type="password"],
.auth-form input[type="email"] {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 10px;
  font: inherit;
  max-width: none;
  width: 100%;
}
.auth-form input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.auth-form button.primary { margin-top: 18px; width: 100%; padding: 9px 13px; }
.auth-form button.ghost { margin-top: 8px; width: 100%; padding: 8px 13px; }
.auth-card .lead { color: var(--muted); margin: 0 0 14px; }
.otp-input { letter-spacing: .35em; text-align: center; font-size: 22px; font-variant-numeric: tabular-nums; }
.auth-note { color: var(--muted); font-size: 11.5px; margin: 18px 0 0; line-height: 1.5; }

.invite-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: flex-end;
}
.invite-form .field input,
.invite-form .field select { min-width: 180px; max-width: 280px; }
.actions-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.actions-row form { display: inline; margin: 0; }

.user-chip { font-size: 12.5px; }
.user-chip a { color: var(--muted); font-weight: 600; }
.user-chip a:hover, .user-chip a.active { color: var(--text); }

table.kv { border-collapse: collapse; font-size: 13px; }
table.kv th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 5px 20px 5px 0;
  white-space: nowrap;
}
table.kv td { padding: 5px 0; font-weight: 500; }

/* --- Settings --------------------------------------------------------- */
.settings-form { margin-bottom: 26px; }
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px 18px;
}
.settings-grid .field.wide input[type="text"],
.settings-grid .field.wide input[type="password"],
.settings-grid .field.wide select {
  max-width: none;
  width: 100%;
}
.field-note { font-size: 11.5px; color: var(--muted); line-height: 1.45; }
.field-note .badge { margin-right: 6px; }
.switch { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; }
.switch input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
ul.plain { margin: 0; padding-left: 18px; }