:root {
  --primary: #0b5ed7;
  --primary-dark: #094db3;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #dbe1e8;
  --text: #1c2530;
  --muted: #667085;
  --danger: #d64545;
  --success: #1a8a4c;
  font-size: 16px;
}

* { box-sizing: border-box; }

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

header.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

header.topbar h1 {
  font-size: 1.1rem;
  margin: 0;
}

header.topbar .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--muted);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

h2 { margin-top: 0; font-size: 1.15rem; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--text);
}

.field { margin-bottom: 12px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.range-pair { display: flex; gap: 8px; }
.range-pair > div { flex: 1; }

button, .btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--primary-dark); }
button.secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
button.secondary:hover { background: #eef4fe; }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

.alert {
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}
.alert.error { background: #fdeaea; color: var(--danger); border: 1px solid #f5c2c2; }
.alert.success { background: #e9f7ef; color: var(--success); border: 1px solid #bfe8cf; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th { color: var(--muted); font-weight: 600; background: #fafbfc; }
.table-wrap { overflow-x: auto; }

.pagination { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pagination span { color: var(--muted); font-size: 0.9rem; }

.center-card {
  max-width: 420px;
  margin: 60px auto;
}
.center-card .card { padding: 24px; }
.center-card h2 { text-align: center; }

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

details > summary { cursor: pointer; color: var(--primary); margin-bottom: 10px; font-size: 0.9rem; }

.status-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}
.status-pending { background: #fff4de; color: #a86a00; }
.status-approved { background: #e9f7ef; color: var(--success); }
.status-rejected { background: #fdeaea; color: var(--danger); }

.multiselect { position: relative; }
.multiselect-toggle {
  width: 100%;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  text-align: left;
  padding: 9px 10px;
  border-radius: 6px;
  font-size: 0.95rem;
}
.multiselect-toggle:hover { background: #fafbfc; }
.multiselect-panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(20, 30, 50, 0.12);
  padding: 10px;
  z-index: 20;
  width: min(420px, 90vw);
}
.multiselect-search { margin-bottom: 8px; }
.multiselect-actions { display: flex; gap: 8px; margin-bottom: 8px; }
.multiselect-actions button { padding: 6px 10px; font-size: 0.82rem; }
.multiselect-options {
  max-height: 260px;
  overflow-y: auto;
  border-top: 1px solid var(--border);
  padding-top: 6px;
}
.ms-option {
  display: block;
  font-size: 0.88rem;
  padding: 5px 4px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text);
}
.ms-option:hover { background: #f0f4fa; }
.ms-option input { width: auto; margin-right: 8px; }

nav.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
nav.tabs button { background: #fff; color: var(--text); border: 1px solid var(--border); }
nav.tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

@media (max-width: 600px) {
  header.topbar { flex-direction: column; align-items: flex-start; }
  main { padding: 10px; }
}