/* ============================================================
   WorkForce Analytics — Main Stylesheet
   Uses Harmony Design System tokens from design-tokens.css
   ============================================================ */

* { box-sizing: border-box; }

html {
  font-size: 12.8px; /* 80% scale */
}

body {
  background: var(--body-bg);
  font-family: var(--font-family-sans);
  font-size: 0.875rem;
  margin: 0;
}

/* ---- Sidebar ---- */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-collapsed-width); }
.sidebar.collapsed .sidebar-user-info,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .sidebar-footer span { display: none; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--sidebar-active-bg);
  min-height: var(--topbar-height);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--sidebar-active-text);
  white-space: nowrap;
}

.sidebar-toggle { color: var(--sidebar-text) !important; padding: 4px 6px; }
.sidebar-toggle:hover { color: #f8fafc !important; }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sidebar-active-bg);
}

.sidebar-user-info .fw-semibold { color: var(--sidebar-active-text); font-size: 0.8125rem; }
.sidebar-user-info .text-muted { font-size: 0.6875rem; color: var(--sidebar-text) !important; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-section-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 12px 16px 4px;
  white-space: nowrap;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 0;
  transition: background var(--transition), color var(--transition);
  font-size: 0.84375rem;
  white-space: nowrap;
}
.nav-item i { font-size: 1rem; min-width: 20px; text-align: center; }
.nav-item:hover { background: var(--sidebar-active-bg); color: var(--sidebar-active-text); }
.nav-item.active { background: var(--color-bg-primary-default); color: var(--color-text-on-color); font-weight: 600; }
.nav-item.text-danger-hover:hover { color: #f87171 !important; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--sidebar-active-bg);
  display: flex;
  align-items: center;
}

/* ---- Main wrapper ---- */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}
.main-wrapper.collapsed { margin-left: var(--sidebar-collapsed-width); }

/* ---- Topbar ---- */
.topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--color-border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm-strong);
}

/* ---- Content area ---- */
.content-area { padding: 24px; flex: 1; }

/* ---- Cards ---- */
.card {
  border: 1px solid var(--color-border-default);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-sm-strong);
}
.card-header {
  background: var(--color-bg-default);
  border-bottom: 1px solid var(--color-border-default);
  border-radius: var(--card-radius) var(--card-radius) 0 0 !important;
  padding: 14px 18px;
  font-size: 0.875rem;
}

/* ---- Stat cards ---- */
.stat-card {
  background: var(--color-bg-default);
  border: 1px solid var(--color-border-default);
  border-radius: var(--card-radius);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm-strong);
  transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); }

.stat-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.stat-value {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-default);
  line-height: 1.1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ---- Avatar ---- */
.avatar-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-btn-primary-default);
  color: var(--color-text-on-color);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9375rem;
  flex-shrink: 0;
}

.avatar-sm {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--color-bg-magic-default);
  color: var(--color-text-on-color);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.avatar-circle-sm {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-bg-success-strong);
  color: var(--color-text-on-color);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

/* ---- Status dots ---- */
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}
.status-online  { background: var(--color-bg-success-strong); box-shadow: 0 0 0 2px var(--color-bg-success-muted-default); }
.status-idle    { background: var(--color-bg-warning-strong); box-shadow: 0 0 0 2px var(--color-bg-warning-muted-default); }
.status-offline { background: var(--color-text-muted); }

/* ---- Heatmap ---- */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 3px;
}
.heatmap-cell {
  height: 24px;
  border-radius: 4px;
  background: var(--color-bg-primary-default);
  opacity: 0.08;
  transition: opacity var(--transition);
  cursor: pointer;
}
.heatmap-cell.work-hours { background: var(--color-bg-interactive-default); }
.heatmap-cell:hover { opacity: 0.9 !important; }

/* ---- App usage rows ---- */
.app-usage-row { transition: background var(--transition); }
.app-usage-row:hover { background: var(--color-bg-subtle); }

/* ---- Login page ---- */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--sidebar-bg) 0%, var(--color-brand-700) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--color-bg-default);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-card h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}
.login-card p {
  font-size: 1rem;
}
.login-card .form-label {
  font-size: 1rem;
}
.login-card .form-control,
.login-card .form-control::placeholder {
  font-size: 1rem;
}
.login-card .btn {
  font-size: 1.1rem;
  padding: 0.75rem 1rem;
}
.login-logo { font-size: 2.5rem; }

/* ---- Buttons ---- */
.btn-xs {
  padding: 2px 8px;
  font-size: 0.75rem;
  border-radius: 6px;
  line-height: 1.5;
}

/* ---- Table ---- */
.table th { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); }
.table td { vertical-align: middle; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-default); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-border-hover); }

/* ---- Clock ---- */
#clock { font-size: 0.75rem; font-variant-numeric: tabular-nums; }

/* ---- Progress ---- */
.progress { border-radius: 8px; background: var(--color-bg-elevated); }

/* ---- Utility Classes (based on design tokens) ---- */
.bg-primary-muted { background: var(--color-bg-interactive-muted-default); }
.bg-success-muted { background: var(--color-bg-success-muted-default); }
.bg-warning-muted { background: var(--color-bg-warning-muted-default); }
.bg-error-muted { background: var(--color-bg-error-muted-default); }
.bg-info-muted { background: var(--color-bg-info-muted-default); }

.section-header {
  background: linear-gradient(90deg, var(--color-bg-interactive-muted-default) 0%, var(--color-bg-default) 100%);
  border-left: 4px solid var(--color-bg-interactive-default);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important;
  }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-wrapper { margin-left: 0 !important; }
  .content-area { padding: 16px; }
  .stat-value { font-size: 1.125rem; }
}