:root {
  --bg: #12151a;
  --panel: #1c2129;
  --border: #2b313c;
  --text: #e6e9ef;
  --muted: #8a92a3;
  --accent: #4f8df5;
  --ok: #3fbf7f;
  --warn: #e0a13b;
  --danger: #e5534b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

nav {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 2rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

nav a.active, nav a:hover {
  color: var(--text);
}

main {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

h1 { margin-top: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge.ok { background: rgba(63,191,127,0.15); color: var(--ok); }
.badge.danger { background: rgba(229,83,75,0.15); color: var(--danger); }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

th { color: var(--muted); font-weight: 600; }

form.inline { display: inline; }

input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

button, .btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

button.secondary { background: var(--panel); border: 1px solid var(--border); color: var(--text); }
button.danger { background: var(--danger); }

.form-row { margin-bottom: 0.8rem; display: flex; flex-direction: column; gap: 0.3rem; }
.form-row label { font-size: 0.85rem; color: var(--muted); }

.muted { color: var(--muted); font-size: 0.85rem; }

nav { flex-wrap: wrap; align-items: center; }
.auth-panel { max-width: 480px; margin: 8vh auto; }
.totp-qr { display: block; width: 240px; max-width: 100%; margin: 1rem auto; }
.auth-secret { display: block; overflow-wrap: anywhere; margin-bottom: 1rem; }
.auth-error { color: var(--danger); }
.recovery-codes { padding-left: 1.5rem; line-height: 1.8; }

a { color: #8db7ff; }
.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; min-height: 40px; }
.btn.secondary { background: var(--panel); color: var(--text); border: 1px solid var(--border); }
button { min-height: 40px; }
input, select { min-height: 42px; max-width: 100%; }
:focus-visible { outline: 2px solid #9ac1ff; outline-offset: 4px; }
.skip-link { position: fixed; left: 1rem; top: -100px; z-index: 10; padding: 1rem; background: var(--panel); }
.skip-link:focus { top: 1rem; }
.app-header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 1rem; min-height: 76px; padding: 0.8rem max(1.25rem, calc((100vw - 1120px) / 2)); background: var(--panel); border-bottom: 1px solid var(--border); }
.menu-toggle { font-size: 1.45rem; width: 44px; padding: 0; }
.brand { color: var(--text); font-size: 1.05rem; font-weight: 750; text-decoration: none; line-height: 1.2; }
.brand span { display: block; color: var(--muted); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; margin-top: 4px; }
.header-section { margin-left: 1.5rem; color: var(--muted); font-size: 0.9rem; }
.admin-badge { margin-left: auto; color: #a9caff; background: #25344b; }
.menu-open { overflow: hidden; }
.navigation-drawer { position: fixed; inset: 0 auto 0 0; margin: 0; width: min(340px, 90vw); height: 100dvh; max-height: 100dvh; max-width: none; color: var(--text); background: var(--panel); border: 0; border-right: 1px solid var(--border); padding: 1.5rem; }
.navigation-drawer[open] { display: flex; flex-direction: column; }
.navigation-drawer::backdrop { background: rgb(0 0 0 / 65%); }
.drawer-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.drawer-links { display: flex; flex-direction: column; align-items: stretch; gap: 0.3rem; padding: 0; background: transparent; border: 0; overflow-y: auto; flex-wrap: nowrap; }
.drawer-links a { padding: 0.8rem 1rem; border-radius: 8px; color: #b8c1cf; }
.drawer-links a[aria-current] { color: #bad5ff; background: #25344b; }
.drawer-links a:hover { background: #262e3a; }
.nav-label { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; margin: 1.1rem 1rem 0.5rem; }
.drawer-footer { margin-top: auto; padding-top: 2rem; }
.drawer-footer button { width: 100%; }
main { max-width: 1120px; }
.admin-tabs { display: flex; gap: 0.3rem; flex-wrap: nowrap; align-items: center; background: transparent; border: 0; border-bottom: 1px solid var(--border); padding: 0 0 0.75rem; margin-bottom: 2rem; overflow-x: auto; }
.admin-tabs a { padding: 0.65rem 0.9rem; border-radius: 7px; white-space: nowrap; font-size: 0.9rem; }
.admin-tabs a[aria-current] { background: #25344b; color: #bad5ff; }
.page-heading { display: flex; justify-content: space-between; gap: 1.5rem; align-items: center; margin-bottom: 1.75rem; }
.page-heading h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.25rem); letter-spacing: -0.04em; }
.page-heading p.muted { font-size: 0.95rem; margin-bottom: 0; line-height: 1.6; }
.page-heading > .btn { flex-shrink: 0; }
.eyebrow { font-size: 0.7rem; color: #91b8f8; letter-spacing: 0.14em; text-transform: uppercase; margin: 0 0 0.6rem; }
.admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.admin-tile { display: flex; flex-direction: column; padding: 1.5rem; text-decoration: none; color: var(--text); transition: border-color 150ms; }
.admin-tile:hover { border-color: var(--accent); }
.tile-number { color: #8db7ff; font-size: 2rem; font-weight: 700; }
.admin-tile h2 { font-size: 1.1rem; margin: 0.75rem 0 0; }
.admin-tile p { font-size: 0.9rem; color: #a4adbd; line-height: 1.6; }
.tile-action { margin-top: auto; color: #8db7ff; font-size: 0.85rem; }
.overview-status { margin-top: 1.5rem; padding: 1.5rem; }
.overview-status h2 { margin-top: 0; font-size: 1.1rem; }
.overview-status dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; margin-bottom: 0; }
dt { color: #a4adbd; font-size: 0.8rem; }
dd { margin: 0.4rem 0 0; }
.filter-bar { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 1rem; padding: 1.1rem; }
.filter-bar .form-row { margin: 0; flex: 1; min-width: 180px; }
.filter-bar > a { align-self: center; font-size: 0.85rem; }
.user-list { display: grid; gap: 0.8rem; }
.user-card { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1rem 2rem; padding: 1.25rem; }
.user-identity { display: flex; gap: 0.9rem; align-items: center; min-width: 0; }
.user-identity > div { min-width: 0; }
.user-identity h2 { font-size: 1rem; margin: 0 0 0.3rem; overflow-wrap: anywhere; }
.user-email { font-size: 0.85rem; color: #a4adbd; text-decoration: none; overflow-wrap: anywhere; }
.avatar { display: grid; place-items: center; flex-shrink: 0; width: 42px; height: 42px; border-radius: 12px; color: #a9caff; background: #25344b; font-weight: 700; }
.user-details { display: flex; gap: 1.5rem; flex-wrap: wrap; margin: 0; align-items: center; }
.user-details dd { font-size: 0.85rem; }
.user-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.user-actions .badge { margin-right: auto; }
.badge.neutral { background: #303744; color: #b8c1cf; }
.danger-link { color: #ff9a94; font-size: 0.85rem; }
.empty-state { text-align: center; padding: 3rem 1.5rem; }
.empty-state h2 { font-size: 1.2rem; }
.editor-form { max-width: 800px; padding: 1.5rem; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0.7rem 1.5rem; }
.checkbox-row { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; margin: 1rem 0; }
.checkbox-row input { min-height: 20px; width: 20px; accent-color: var(--accent); }
.form-actions { display: flex; gap: 1.5rem; align-items: center; margin-top: 1.5rem; flex-wrap: wrap; }
.form-actions a { font-size: 0.9rem; }
.notice { padding: 1rem; border: 1px solid #335d4d; border-radius: 8px; background: #1b3028; color: #a9e3c6; }
.notice.error { border-color: #8a4440; background: #3a2326; color: #ffb5af; }
main > table, main form > table { display: block; overflow-x: auto; }
@media (max-width: 640px) {
  .header-section { display: none; }
  main { margin-top: 1.25rem; padding: 0 1rem; }
  .page-heading { flex-direction: column; align-items: stretch; }
  .page-heading > .btn { align-self: flex-start; }
  .admin-grid, .form-grid, .user-card, .overview-status dl { grid-template-columns: 1fr; }
  .user-details { gap: 1rem 2rem; }
  .user-actions { flex-wrap: wrap; }
  .auth-panel { margin: 5vh 1rem; }
}

/* Group and shift administration */
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 1rem; margin: 1rem 0; }
legend { padding: 0 .4rem; color: var(--muted); }
input[type="checkbox"] { width: auto; min-height: 18px; vertical-align: middle; accent-color: var(--accent); }
fieldset label { margin-right: 1rem; line-height: 2; }
.card > form + form { margin-top: 1rem; }
.card .form-row label > input, .card .form-row label > select { display: block; margin-top: .4rem; }
details { margin: 1rem 0; }