:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --ink: #152033;
  --muted: #667085;
  --line: #d9e2ec;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --green: #15803d;
  --green-bg: #dcfce7;
  --amber: #b45309;
  --amber-bg: #fef3c7;
  --red: #b91c1c;
  --red-bg: #fee2e2;
  --shadow: 0 18px 45px rgba(21, 32, 51, 0.08);
  --radius: 8px;
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #0f172a;
  color: #f8fafc;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #38bdf8;
  color: #082f49;
  font-weight: 800;
}

.brand h1 {
  margin: 0;
  font-size: 1.2rem;
}

.brand p,
.eyebrow,
.panel-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.brand p {
  color: #94a3b8;
  font-size: 0.68rem;
}

.nav-list,
.role-switcher {
  display: grid;
  gap: 8px;
}

.nav-item,
.role-btn {
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: #cbd5e1;
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
}

.nav-item.active,
.nav-item:hover,
.role-btn.active,
.role-btn:hover {
  background: #1e293b;
  color: #ffffff;
}

.role-panel {
  margin-top: auto;
  display: grid;
  gap: 12px;
}

.main {
  min-width: 0;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.topbar h2 {
  margin: 4px 0 0;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

.topbar-actions,
.filters,
.panel-header.split {
  display: flex;
  align-items: center;
  gap: 10px;
}

.primary-btn,
.ghost-btn {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 800;
}

.primary-btn {
  background: var(--blue);
  color: #ffffff;
}

.primary-btn:hover {
  background: var(--blue-dark);
}

.ghost-btn {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.full {
  width: 100%;
}

.view {
  display: none;
}

.view.active {
  display: grid;
  gap: 18px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 2rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(320px, 1.05fr);
  gap: 18px;
}

.panel {
  padding: 20px;
}

.panel-header {
  margin-bottom: 16px;
}

.panel-header h3 {
  margin: 4px 0 0;
  font-size: 1.08rem;
}

.request-form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

.status-bars {
  display: grid;
  gap: 14px;
}

.status-row {
  display: grid;
  gap: 7px;
}

.status-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.bar-track {
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
}

.approval-list,
.employee-grid,
.audit-list {
  display: grid;
  gap: 12px;
}

.approval-card,
.employee-card,
.audit-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: #fbfdff;
}

.approval-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.approval-card h4,
.employee-card h4,
.audit-item h4 {
  margin: 0 0 6px;
}

.approval-card p,
.employee-card p,
.audit-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.approval-actions {
  display: flex;
  gap: 8px;
}

.approve-btn,
.deny-btn {
  border: 0;
  border-radius: var(--radius);
  padding: 9px 12px;
  font-weight: 800;
}

.approve-btn {
  background: var(--green-bg);
  color: var(--green);
}

.deny-btn {
  background: var(--red-bg);
  color: var(--red);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 0.9rem;
}

th {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 0.75rem;
  font-weight: 800;
}

.status-pending {
  background: var(--amber-bg);
  color: var(--amber);
}

.status-approved {
  background: var(--green-bg);
  color: var(--green);
}

.status-denied {
  background: var(--red-bg);
  color: var(--red);
}

.employee-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.employee-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.chip {
  border-radius: 999px;
  background: var(--surface-2);
  color: #475569;
  padding: 5px 8px;
  font-size: 0.75rem;
  font-weight: 800;
}

.audit-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 10px;
}

.audit-time {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  border-radius: var(--radius);
  background: #0f172a;
  color: #ffffff;
  padding: 12px 16px;
  font-weight: 800;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    padding: 16px;
  }

  .nav-list,
  .role-switcher {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .role-switcher {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nav-item,
  .role-btn {
    text-align: center;
    padding: 10px 8px;
  }

  .content-grid,
  .employee-grid,
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .main {
    padding: 18px;
  }

  .topbar,
  .panel-header.split,
  .filters,
  .approval-card {
    align-items: stretch;
    flex-direction: column;
  }

  .topbar,
  .approval-card {
    display: flex;
  }

  .topbar-actions,
  .approval-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .nav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-grid,
  .employee-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .audit-item {
    grid-template-columns: 1fr;
  }
}