:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --accent: #c9a227;
  --success: #15803d;
  --danger: #b91c1c;
  --warning: #b45309;
  --radius: 12px;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface-2);
  line-height: 1.5;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.container {
  width: min(1180px, 100% - 2rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #0ea5e9);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.85rem;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.08s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #2563eb);
  color: #fff;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.28);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
}

.hero {
  background: radial-gradient(1200px 500px at 10% -10%, rgba(37, 99, 235, 0.22), transparent),
    radial-gradient(900px 400px at 90% 0%, rgba(14, 165, 233, 0.18), transparent),
    linear-gradient(180deg, #0b1224, #0f172a 55%, #0b1224);
  color: #e2e8f0;
  padding: 4.5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.hero p.lead {
  color: #cbd5e1;
  font-size: 1.05rem;
  max-width: 52ch;
  margin-bottom: 1.5rem;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.pill {
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: #e2e8f0;
}
.hero-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.hero-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: #f8fafc;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.stat {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
}
.stat .label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
}
.stat .value {
  font-weight: 700;
  font-size: 1.1rem;
  margin-top: 0.25rem;
}

.section {
  padding: 3.5rem 0;
}
.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.65rem;
}
.section .sub {
  color: var(--muted);
  margin-bottom: 2rem;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 960px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-band {
  background: linear-gradient(90deg, var(--primary-dark), #0f172a);
  color: #f8fafc;
  padding: 2.5rem 0;
  text-align: center;
}
.cta-band h2 {
  margin: 0 0 0.5rem;
}
.cta-band p {
  margin: 0 0 1.25rem;
  color: #cbd5e1;
}

.site-footer {
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  background: #fff;
}

/* Auth & forms */
.auth-shell {
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #eff6ff, #f8fafc 45%, #eef2ff);
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  width: min(440px, 100%);
  box-shadow: var(--shadow);
}
.card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.45rem;
}
.card .hint {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.form-control {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font: inherit;
  background: #fff;
}
.form-control:focus {
  outline: 2px solid rgba(37, 99, 235, 0.35);
  border-color: var(--primary);
}
.form-errors {
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 0.25rem;
}

.flash-stack {
  width: min(900px, 100% - 2rem);
  margin: 1rem auto 0;
}
.flash {
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
}
.flash-success {
  background: #ecfdf3;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.flash-danger {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.flash-warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}
.flash-info {
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Admin layout */
.admin-root {
  display: grid;
  grid-template-columns: 268px 1fr;
  min-height: 100vh;
}
@media (max-width: 960px) {
  .admin-root {
    grid-template-columns: 1fr;
  }
}
.sidebar {
  background: linear-gradient(180deg, #0b1224, #0f172a);
  color: #e2e8f0;
  padding: 1.25rem 0.9rem;
  border-right: 1px solid rgba(148, 163, 184, 0.12);
}
.sidebar .side-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.65rem 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}
.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(37, 99, 235, 0.18);
  color: #fff;
}
.sidebar .nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #64748b;
  margin: 1rem 0.65rem 0.4rem;
}
.admin-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.admin-content {
  padding: 1.5rem;
  flex: 1;
}

.page-title {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}
.page-sub {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.grid-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
@media (max-width: 1100px) {
  .grid-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}
.metric {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}
.metric .k {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.metric .v {
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.table-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
table.data th,
table.data td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
table.data th {
  background: #f8fafc;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-success {
  background: #dcfce7;
  color: #166534;
}
.badge-warn {
  background: #fef9c3;
  color: #854d0e;
}
.badge-muted {
  background: #f1f5f9;
  color: #475569;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.employee-shell .topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.employee-shell .topbar .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}
.employee-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 58px);
}
@media (max-width: 900px) {
  .employee-layout {
    grid-template-columns: 1fr;
  }
}
.emp-nav {
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 1rem 0.75rem;
}
.emp-nav a {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  margin-bottom: 0.15rem;
}
.emp-nav a:hover,
.emp-nav a.active {
  background: #eff6ff;
  color: var(--primary-dark);
}
.emp-main {
  padding: 1.5rem;
}

.print-only {
  display: none;
}
@media print {
  .no-print {
    display: none !important;
  }
  .print-only {
    display: block;
  }
  body {
    background: #fff;
  }
}