:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1a1f2b;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #001b47;      /* CareBOS navy */
  --brand-ink: #ffffff;
  --accent: #22af2c;     /* CareBOS green */
  --danger: #dc2626;
  --ok: #22af2c;
  --shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420; --panel: #171d2b; --ink: #e6e9ef; --muted: #9aa4b2;
    --line: #273043; --brand: #3557a8; --accent: #34c23e; --ok: #34c23e; --shadow: 0 1px 3px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
button { font: inherit; cursor: pointer; }
input, select, textarea {
  font: inherit; width: 100%; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--panel); color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
.hidden { display: none !important; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card {
  background: var(--panel); padding: 28px; border-radius: 14px; box-shadow: var(--shadow);
  width: 100%; max-width: 360px; border: 1px solid var(--line);
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card p { margin: 0 0 20px; color: var(--muted); }
.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 5px; font-weight: 600; font-size: 13px; }
.btn {
  background: var(--brand); color: var(--brand-ink); border: none; padding: 9px 16px;
  border-radius: 8px; font-weight: 600;
}
.btn:hover { filter: brightness(1.05); }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.block { width: 100%; }

/* App shell */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 12px; display: flex; flex-direction: column; }
.sidebar .brand { font-weight: 700; font-size: 18px; padding: 6px 10px 16px; }
.brand-logo { width: 148px; max-width: 100%; height: auto; display: block; }
.login-logo { width: 190px; max-width: 72%; height: auto; display: block; margin: 0 auto 10px; }
.nav a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; margin-bottom: 2px; }
.nav a:hover { background: var(--bg); }
.nav a.active { background: var(--brand); color: var(--brand-ink); }
.sidebar .spacer { flex: 1; }
.settings-group { border-top: 1px solid var(--line); padding-top: 8px; margin-bottom: 8px; }
.nav-toggle { display: flex; justify-content: space-between; align-items: center; width: 100%; background: none; border: none; padding: 9px 12px; border-radius: 8px; color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.nav-toggle:hover { background: var(--bg); }
.nav-toggle.active { color: var(--brand); }
.nav.submenu { margin-top: 2px; }
.nav.submenu a { padding-left: 24px; font-size: 13px; }
.userbox { border-top: 1px solid var(--line); padding-top: 12px; font-size: 13px; color: var(--muted); }
.userbox .who { color: var(--ink); font-weight: 600; }
.main { padding: 24px 28px; overflow: auto; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.topbar h2 { margin: 0; font-size: 20px; flex: 1; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; align-items: center; }
.toolbar .search { flex: 1; max-width: 340px; }

/* Table */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable:hover { color: var(--ink); }
th.sorted { color: var(--ink); }
.sort-ind { margin-left: 5px; font-size: 10px; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--bg); }
.select-all-banner { padding: 9px 14px; background: var(--bg); border-bottom: 1px solid var(--line); font-size: 13px; text-align: center; }
.select-all-banner a { color: var(--brand); font-weight: 600; }
tbody tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--bg); border: 1px solid var(--line); }
.badge.active, .badge.verified { color: var(--ok); }
.badge.inactive, .badge.terminated, .badge.discharged, .badge.rejected { color: var(--danger); }
.filters { display: flex; gap: 6px; }
.chip { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--muted); font-weight: 600; font-size: 13px; }
.chip.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.bulkrow { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.bulkrow .spacer { flex: 1; }
.bulkrow .sel-count { color: var(--muted); font-size: 13px; }
.pager { display: flex; align-items: center; gap: 12px; padding: 12px 14px; color: var(--muted); }
.pager .spacer { flex: 1; }
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tab { background: none; border: none; padding: 10px 16px; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--brand); border-bottom-color: var(--accent); }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 20px; }
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; padding: 0 20px 20px; align-items: center; }
.form-actions .spacer { flex: 1; }

/* Toast + banner */
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--ok); color: #fff; padding: 11px 16px; border-radius: 10px; box-shadow: var(--shadow); }
.toast.err { background: var(--danger); }
.banner { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
@media (prefers-color-scheme: dark) { .banner { background: #2a1414; border-color: #5b2020; } }
@media (max-width: 720px) {
  .shell { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}