:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-2: #334155;
  --muted: #64748b;
  --accent: #4f46e5;
  --accent-2: #6366f1;
  --accent-soft: #eef2ff;
  --ok: #10b981;
  --ok-soft: #ecfdf5;
  --warn: #f59e0b;
  --warn-soft: #fffbeb;
  --bad: #ef4444;
  --bad-soft: #fef2f2;
  --neutral: #94a3b8;
  --chip: #f1f5f9;
  /* Dark sidebar (matches ATLAS/SORA pattern) */
  --sidebar-bg: #0b1220;
  --sidebar-text: #9ca3af;
  --sidebar-text-strong: #e5e7eb;
  --sidebar-section: #475569;
  --sidebar-hover-bg: rgba(255,255,255,0.05);
  --sidebar-active-bg: rgba(79,70,229,0.22);
  --sidebar-active-text: #c7d2fe;
  --sidebar-border: rgba(255,255,255,0.06);
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.04);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell { display: grid; grid-template-columns: 252px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  border-right: 1px solid var(--sidebar-border);
  padding: 0;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column;
}
.brand {
  padding: 18px 18px 14px;
  display: flex; align-items: center; gap: 10px;
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 800; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 0.5px; flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(0,0,0,0.3), inset 0 -1px 0 rgba(0,0,0,0.2);
}
.brand-logo {
  width: 42px; height: 42px; flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}
.brand-stacked { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px 16px 14px; }
.brand-logo-full {
  width: 100%; max-width: 196px; height: auto;
  display: block;
  /* Lighten the dark-navy parts so the logo reads on the dark sidebar */
  filter: brightness(1.65) contrast(1.05) drop-shadow(0 1px 2px rgba(0,0,0,0.35));
}
.brand-stacked .brand-sub {
  font-size: 9.5px; color: #94a3b8;
  letter-spacing: 0.8px; line-height: 1.35;
  text-transform: uppercase; font-weight: 600;
  margin: 0;
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-title {
  font-size: 15px; font-weight: 800;
  letter-spacing: 2px; color: #f8fafc;
}
.brand-sub {
  font-size: 9.5px; color: #64748b;
  margin-top: 3px; letter-spacing: 0.8px;
  text-transform: uppercase; font-weight: 600;
  line-height: 1.3;
}
.sidebar-divider {
  height: 1px; background: var(--sidebar-border); margin: 4px 0 8px;
}
.nav { padding: 4px 0 16px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; margin: 1px 10px;
  color: var(--sidebar-text);
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 13px; font-weight: 500;
  transition: all 0.15s;
}
.nav a:hover {
  background: var(--sidebar-hover-bg);
  color: var(--sidebar-text-strong);
  text-decoration: none;
}
.nav a.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 600;
  border-color: rgba(79,70,229,0.35);
}
.nav a svg {
  width: 16px; height: 16px; flex-shrink: 0;
  stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  opacity: 0.9;
}
.nav-section {
  font-size: 10px; text-transform: uppercase;
  color: var(--sidebar-section);
  padding: 14px 18px 4px;
  letter-spacing: 1.3px; font-weight: 700;
}
.sidebar-footer {
  margin-top: auto;
  padding: 12px 18px;
  border-top: 1px solid var(--sidebar-border);
  display: flex; align-items: center; gap: 10px;
}
.sidebar-footer-avatar {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px; flex-shrink: 0;
}
.sidebar-footer-text { font-size: 12px; color: #6b7280; min-width: 0; }
.sidebar-footer-text strong {
  display: block; color: #d1d5db; font-size: 12px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-footer-text span { font-size: 11px; color: #64748b; text-transform: capitalize; }

.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  line-height: 1.4;
}

.user-switch-btn {
  background: transparent; border: 1px solid var(--sidebar-border);
  color: var(--sidebar-text); cursor: pointer;
  width: 26px; height: 26px; border-radius: 6px; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.user-switch-btn:hover { background: var(--sidebar-hover-bg); color: #fff; }

.user-switch-dialog {
  border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; min-width: 320px; max-width: 400px;
  background: var(--panel); color: var(--text);
  box-shadow: 0 20px 40px rgba(15,23,42,0.25);
}
.user-switch-dialog::backdrop { background: rgba(15,23,42,0.45); }
.user-switch-close {
  position: absolute; top: 10px; right: 10px;
  background: transparent; border: 0; cursor: pointer;
  font-size: 20px; color: var(--muted); line-height: 1;
}
.user-switch-list { display: flex; flex-direction: column; gap: 4px; max-height: 420px; overflow-y: auto; }
.user-switch-row {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 8px 10px; background: transparent;
  border: 1px solid transparent; border-radius: 8px;
  text-align: left; cursor: pointer;
  color: var(--text); font: inherit;
}
.user-switch-row:hover { background: var(--panel-2); border-color: var(--border); }
.user-switch-row.active { background: var(--accent-soft); border-color: #c7d2fe; }
.avatar-mini {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 11px; flex-shrink: 0;
}
.user-switch-text { display: flex; flex-direction: column; min-width: 0; }
.user-switch-text strong { font-size: 13px; font-weight: 600; }
.user-switch-text span { font-size: 11px; color: var(--muted); text-transform: capitalize; }

.main { padding: 24px 32px 64px; max-width: 1400px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.page-title { font-size: 24px; font-weight: 700; margin: 0; color: var(--text); }
.page-sub { color: var(--muted); font-size: 13px; margin-top: 4px; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); text-decoration: none; color: #fff; }
.btn-secondary {
  background: #fff;
  color: var(--text-2);
  border: 1px solid var(--border-strong);
}
.btn-secondary:hover { background: var(--panel-2); border-color: var(--muted); color: var(--text); }
.btn-danger { background: var(--bad); border-color: var(--bad); }
.btn-danger:hover { background: #dc2626; border-color: #dc2626; }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--panel-2); color: var(--text-2); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 20px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.card-title { font-size: 14px; font-weight: 600; letter-spacing: 0.2px; color: var(--text); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.8px;
  font-weight: 600;
}
.kpi-value {
  font-size: 28px;
  font-weight: 700;
  margin-top: 6px;
  color: var(--text);
}
.kpi-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi-sub.ok { color: var(--ok); }
.kpi-sub.warn { color: var(--warn); }
.kpi-sub.bad { color: var(--bad); }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.table td { padding: 12px; border-bottom: 1px solid var(--border); color: var(--text-2); }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: var(--panel-2); }

.chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--chip);
  color: var(--text-2);
  letter-spacing: 0.4px;
  border: 1px solid transparent;
}
.chip.ok { background: var(--ok-soft); color: #047857; border-color: #a7f3d0; }
.chip.warn { background: var(--warn-soft); color: #b45309; border-color: #fcd34d; }
.chip.bad { background: var(--bad-soft); color: #b91c1c; border-color: #fecaca; }
.chip.accent { background: var(--accent-soft); color: var(--accent); border-color: #c7d2fe; }
.chip.neutral { background: var(--chip); color: var(--muted); border-color: var(--border); }

.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.form-row { margin-bottom: 16px; }
.form-row label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 9px 12px;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}
.form-row textarea { min-height: 90px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  position: relative;
  padding: 0 0 18px 22px;
  border-left: 2px solid var(--border);
}
.timeline li::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--panel);
}
.timeline li:last-child { border-left-color: transparent; }
.timeline .when { font-size: 11px; color: var(--muted); }
.timeline .what { font-size: 13px; margin-top: 2px; color: var(--text-2); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.filters select, .filters input {
  padding: 8px 10px;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
}
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }
.dot.neutral { background: var(--neutral); }

.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.92em; }
.muted { color: var(--muted); }
.right { text-align: right; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; gap: 12px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

.bar { height: 8px; border-radius: 4px; background: var(--panel-2); overflow: hidden; border: 1px solid var(--border); }
.bar .fill { height: 100%; background: var(--accent); }
.bar .fill.ok { background: var(--ok); }
.bar .fill.warn { background: var(--warn); }
.bar .fill.bad { background: var(--bad); }

.empty { padding: 40px; text-align: center; color: var(--muted); font-size: 13px; }

.tab-nav {
  display: flex; gap: 4px; margin: -10px 0 20px;
  border-bottom: 1px solid var(--border);
}
.tab-item {
  display: inline-block; padding: 10px 18px;
  font-size: 13px; font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  text-decoration: none;
  transition: all 0.15s;
}
.tab-item:hover { color: var(--text-2); text-decoration: none; }
.tab-item.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Inline selects used as status / extension pickers in topbar */
.topbar select, .flex select {
  background: #fff;
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 10px;
}