:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #d9dce1;
  --text: #1a1f2b;
  --muted: #6b7280;
  --accent: #0a5bba;
  --accent-hover: #084c9c;
  --success: #1a7f37;
  --warn: #b54708;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
}

* { box-sizing: border-box; }

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

header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header-brand { display: flex; align-items: center; gap: 0.75rem; }
.header-logo { height: 36px; }
.header-brand h1 { font-size: 1.15rem; margin: 0; font-weight: 600; }

nav { display: flex; gap: 0.25rem; }
.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 500;
}
.nav-btn:hover { background: #eef1f5; color: var(--text); }
.nav-btn.active { background: var(--accent); color: white; }

main {
  max-width: 1400px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

.view { display: none; }
.view.active { display: block; }

h2 { font-size: 1.1rem; margin-top: 0; margin-bottom: 0.75rem; }
h3 { font-size: 1rem; margin-top: 0; margin-bottom: 0.5rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

/* Summary cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.summary-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  box-shadow: var(--shadow);
}
.summary-card .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.summary-card .value { font-size: 1.75rem; font-weight: 600; margin-top: 0.25rem; }
.summary-card.warn .value { color: var(--warn); }

/* Filters bar */
.filters-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.filters-bar input[type="search"],
.filters-bar input[type="text"],
.filters-bar select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  background: white;
  min-width: 200px;
}
.filters-bar .hint { color: var(--muted); font-size: 0.85rem; margin-left: auto; }
.show-inactive-toggle { color: var(--muted); font-size: 0.9rem; display: flex; align-items: center; gap: 0.35rem; }

/* Buttons */
.btn {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 500;
}
.btn:hover { background: #f1f3f6; }
.btn-primary { background: var(--accent); color: white; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.btn-danger { color: var(--danger); }

/* Tables */
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
  box-shadow: var(--shadow);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: #f9fafb;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
tbody tr:hover { background: #f9fafb; }
tbody tr:last-child td { border-bottom: none; }

.empty-state {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

/* Admin sub-tabs */
.admin-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}
.admin-tab {
  background: transparent;
  border: none;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--muted);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }

/* Status badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  background: #eef1f5;
  color: var(--muted);
}
.badge.active { background: #ecfdf3; color: var(--success); }
.badge.inactive { background: #fef3f2; color: var(--danger); }
.badge.warn { background: #fffaeb; color: var(--warn); }

/* Matrix */
.matrix-wrap table { font-size: 0.85rem; }
.matrix-wrap th.level-col { text-align: center; min-width: 80px; }
.matrix-wrap td.count { text-align: center; font-variant-numeric: tabular-nums; }
.matrix-wrap td.count.zero { color: var(--border); }
.matrix-wrap td.count.strong { font-weight: 600; color: var(--success); }

/* Form grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem 1rem;
  margin-bottom: 1rem;
}
.form-grid.compact { gap: 0.5rem 0.75rem; margin-bottom: 0.75rem; }
.form-group { display: flex; flex-direction: column; gap: 0.2rem; }
.form-group label {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}
.form-group label.inline { flex-direction: row; align-items: center; gap: 0.4rem; color: var(--text); font-weight: normal; font-size: 0.9rem; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  background: white;
  font-family: inherit;
}
.form-group.full-width, .form-actions.full-width { grid-column: 1 / -1; }
.form-actions { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.feedback { color: var(--muted); font-size: 0.85rem; }
.feedback.success { color: var(--success); }
.feedback.error { color: var(--danger); }
.hint { color: var(--muted); font-size: 0.85rem; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 40, 0.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  z-index: 100;
  padding: 3rem 1rem;
  overflow-y: auto;
}
.modal {
  background: var(--panel);
  border-radius: 10px;
  width: 100%;
  max-width: 1100px;
  box-shadow: 0 20px 40px rgba(16, 24, 40, 0.2);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 6rem);
}
.modal-sm { max-width: 600px; }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { margin: 0; font-size: 1.1rem; }
.modal-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-tab {
  background: transparent;
  border: none;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--muted);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.modal-tab:hover { color: var(--text); }
.modal-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.modal-panel { display: none; }
.modal-panel.active { display: block; }
.modal-body {
  padding: 1rem 1.25rem 1.25rem;
  overflow-y: auto;
}

/* Skills grid */
#skills-grid td select { padding: 0.3rem 0.4rem; min-width: 160px; }
#skills-grid td.area { font-weight: 500; }
#skills-grid .cat-header td {
  background: #f3f4f6;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}