:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --panel: #ffffff;
  --panel-border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-dark: #4f46e5;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --shadow: 0 10px 25px -10px rgba(15, 23, 42, 0.2);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #f8fafc;
  line-height: 1.5;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  background: linear-gradient(135deg, var(--bg) 0%, #312e81 100%);
  color: #fff;
  padding: 3rem 0 2.5rem;
}

.header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-titles { min-width: 0; }

.site-header h1 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-header .tagline {
  margin: 0;
  color: #cbd5e1;
  font-size: 1.05rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.admin-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
}

.admin-badge.hidden { display: none; }

.btn-header {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: background 0.15s;
}

.btn-header:hover { background: rgba(255, 255, 255, 0.2); }

main { padding: 2rem 0 3rem; }

.banner {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.banner.hidden { display: none; }

.hero-stat {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.hero-stat-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  font-weight: 600;
  opacity: 0.85;
}

.hero-stat-value {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  margin: 0.75rem 0 0.5rem;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.hero-stat-sub {
  font-size: 1rem;
  opacity: 0.9;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.panel h2 {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.panel-header h2 { margin: 0; }

.panel-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.sort-control {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.sort-control select {
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text);
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #fff;
  cursor: pointer;
}

.sort-control select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

body:not(.is-admin) .actions-col,
body:not(.is-admin) .actions-cell { display: none; }

.employee-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  align-items: end;
}

.field { display: flex; flex-direction: column; }

.field label {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.field input {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.btn-primary, .btn-secondary, .btn-danger {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--panel-border);
}

.btn-secondary:hover { background: #f1f5f9; color: var(--text); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
}

.btn-danger:hover { background: var(--danger-soft); }
.btn-danger:disabled { opacity: 0.5; cursor: not-allowed; }

button:active { transform: translateY(1px); }

.table-wrap { overflow-x: auto; }

.employee-table { width: 100%; border-collapse: collapse; }

.employee-table th, .employee-table td {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--panel-border);
}

.employee-table th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.employee-table td { font-size: 0.95rem; }
.employee-table tbody tr:last-child td { border-bottom: none; }

.years-cell {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 1.5rem 0;
  margin: 0;
}

.empty-state.hidden { display: none; }
.employee-table.hidden { display: none; }

.site-footer {
  padding: 1.5rem 0 2.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

.site-footer p { margin: 0; }

@media (max-width: 600px) {
  .site-header h1 { font-size: 1.75rem; }
  .hero-stat-value { font-size: 3.5rem; }
  .hero-stat { padding: 2rem 1.25rem; }
  .panel { padding: 1.25rem; }
  .header-row { flex-direction: column; gap: 1rem; align-items: flex-start; }
  .panel-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}