:root {
  --bg: #F7F8FB;
  --surface: #FFFFFF;
  --ink: #12142B;
  --ink-soft: #7B8397;
  --ink-faint: #A6ACBC;

  --accent: #0D7377;
  --accent-dark: #0A5A5D;
  --accent-soft: #DFF1F1;

  --success: #1FAE59;
  --success-soft: #E6F7EC;
  --warning: #F2994A;
  --warning-soft: #FFEEE0;
  --danger: #E5484D;
  --danger-soft: #FDE7E8;
  --cyan: #23B7E5;
  --cyan-soft: #E3F6FC;

  --rule: #EEF0F5;
  --shadow-card: 0 4px 20px rgba(18, 20, 43, 0.05), 0 1px 2px rgba(18, 20, 43, 0.04);
  --radius-lg: 20px;
  --radius-md: 14px;
}

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.95rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 { font-family: 'Inter', sans-serif; letter-spacing: -0.02em; font-weight: 700; }
.fw-semibold { font-family: 'Inter', sans-serif; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
.text-muted { color: var(--ink-soft) !important; }

#app-shell { min-height: 100vh; }

/* ---- Sidebar: light, minimal ---- */
.sidebar {
  width: 264px;
  background-color: var(--surface);
  border-right: 1px solid var(--rule);
  color: var(--ink);
}
.sidebar .brand { color: var(--ink); font-weight: 700; }
.sidebar .brand i { color: var(--accent); }
.sidebar hr { border-color: var(--rule); opacity: 1; }
.sidebar .nav-link {
  color: var(--ink-soft);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  font-weight: 500;
  font-size: 0.92rem;
  transition: background-color .12s ease, color .12s ease;
}
.sidebar .nav-link:hover { background-color: var(--bg); color: var(--ink); }
.sidebar .nav-link.active { background-color: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }
.sidebar .submenu {
  padding: 0.2rem 0.35rem 0.35rem;
  margin: 0.1rem 0 0.25rem;
  background-color: var(--bg);
  border-radius: 12px;
}
.sidebar .submenu .nav-link { padding: 0.42rem 0.6rem; font-size: 0.84rem; font-weight: 500; }
.sidebar .submenu-overview { display: flex; align-items: center; margin-bottom: 0.1rem; }
.sidebar .submenu-group { margin: 0.05rem 0; }
.sidebar .submenu-group-toggle { color: var(--ink-soft); }
.sidebar .submenu-group-toggle[aria-expanded="true"] { color: var(--ink); font-weight: 600; }
.sidebar .subsubmenu {
  padding-left: 0.9rem;
  border-left: 1px solid var(--rule);
  margin: 0.1rem 0 0.3rem 1.35rem;
}
.sidebar .subsubmenu .nav-link { padding: 0.34rem 0.6rem; font-size: 0.8rem; font-weight: 400; color: var(--ink-soft); }
.sidebar .subsubmenu .nav-link:hover { color: var(--ink); }
.sidebar .subsubmenu .nav-link.active { font-weight: 600; color: var(--accent-dark); background-color: var(--accent-soft); }
.sidebar .submenu-chevron { transition: transform .15s ease; font-size: 0.72rem; opacity: .7; }
.sidebar [aria-expanded="true"] .submenu-chevron { transform: rotate(180deg); }
.sidebar .user-chip { color: var(--ink); }
.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; text-transform: uppercase;
  flex-shrink: 0;
}
.avatar.avatar-sm { width: 28px; height: 28px; font-size: 0.8rem; }

.content-area { max-width: 1400px; min-width: 0; }

/* ---- Topbar: account menu, top-right ---- */
.topbar {
  height: 60px;
  background-color: var(--surface);
  border-bottom: 1px solid var(--rule);
}
.topbar .account-menu { color: var(--ink); padding: 0.35rem 0.5rem; border-radius: 10px; transition: background-color .12s ease; }
.topbar .account-menu:hover { background-color: var(--bg); }
.topbar .account-menu::after { margin-left: .5rem; }
.text-ink { color: var(--ink); }

/* Right-side action group (notifications + account) — a single flex group
   with `gap` so spacing scales evenly, instead of fixed per-item margins
   that left an oversized, non-adapting gap on narrower screens. */
.topbar-actions { gap: 0.75rem; }
.topbar .account-name {
  max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.sidebar-toggle {
  border: none; background: transparent; color: var(--ink);
  font-size: 1.35rem; line-height: 1; padding: 0.25rem 0.4rem; border-radius: 8px;
}
.sidebar-toggle:hover { background-color: var(--bg); }
.sidebar-backdrop { display: none; }

/* ---- Responsive: sidebar becomes a slide-out drawer below the lg breakpoint ---- */
@media (max-width: 991.98px) {
  #app-shell { overflow-x: hidden; }
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; z-index: 1050;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: var(--shadow-card);
  }
  .sidebar.sidebar-open { transform: translateX(0); }
  .sidebar-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(18, 20, 43, 0.45);
    z-index: 1040; opacity: 0; pointer-events: none; transition: opacity .2s ease;
  }
  .sidebar-backdrop.show { opacity: 1; pointer-events: auto; }
  .content-area .p-4 { padding: 1rem !important; }
  .topbar { padding-left: 1rem !important; padding-right: 1rem !important; }
}

/* Phone-width topbar: tighter padding/gap, and drop the account name so the
   bell + avatar cluster never crowds or overflows next to the hamburger. */
@media (max-width: 575.98px) {
  .topbar { padding-left: 0.75rem !important; padding-right: 0.75rem !important; }
  .topbar-actions { gap: 0.35rem; }
  .topbar .account-name { display: none; }
  .topbar .account-menu::after { margin-left: .25rem; }
}

/* ---- Stat cards (Dribbble-style) ---- */
.stat-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: none;
  padding: 22px 24px;
  height: 100%;
}
.stat-card .stat-label { font-size: 0.86rem; color: var(--ink-soft); font-weight: 500; }
.stat-card .stat-label .unit { color: var(--ink-faint); font-weight: 400; }
.stat-card .stat-value { font-size: 1.9rem; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; margin: 6px 0 10px; font-variant-numeric: tabular-nums; }
.stat-card .stat-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.trend-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.78rem; font-weight: 600;
  padding: 3px 9px; border-radius: 999px;
}
.trend-badge.up { background: var(--success-soft); color: var(--success); }
.trend-badge.warn { background: var(--warning-soft); color: var(--warning); }
.sparkline { flex-shrink: 0; }

/* ---- Cards generally ---- */
.card { border-radius: var(--radius-md); border: 1px solid var(--rule); box-shadow: var(--shadow-card); }

/* ---- Auth page ---- */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #DFF1F1 0%, #F7F8FB 55%, #E3F6FC 100%);
}
.auth-card { max-width: 380px; width: 100%; border-radius: var(--radius-lg); }

.btn-brand { background-color: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn-brand:hover { background-color: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-soft-brand { background-color: var(--accent-soft); border-color: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }
.btn-soft-brand:hover { background-color: #CDE9E8; color: var(--accent-dark); }

/* ---- Nav pills / tabs (e.g. "Tasks for Employees" / "Tasks for Self") —
   Bootstrap defaults .nav-pills' active state to its $primary blue. Scoped to
   .content-area so this doesn't also catch the sidebar's own .nav-pills,
   which already has its own (softer) active style. ---- */
.content-area .nav-pills .nav-link { color: var(--ink-soft); font-weight: 500; }
.content-area .nav-pills .nav-link.active, .content-area .nav-pills .show > .nav-link {
  background-color: var(--accent); color: #fff;
}
.nav-tabs .nav-link { color: var(--ink-soft); border-color: transparent; }
.nav-tabs .nav-link.active {
  color: var(--accent-dark); font-weight: 600; border-color: var(--rule) var(--rule) var(--surface);
}
.nav-tabs .nav-link:hover:not(.active) { color: var(--ink); }

/* ---- Tables ---- */
table.dataTable { font-size: 0.9rem; }
.table > :not(caption) > * > * { color: var(--ink); }
thead th { color: var(--ink-soft); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; border-bottom-color: var(--rule) !important; }

/* ---- Pagination (DataTables' Bootstrap 5 renderer) — Bootstrap's own
   .pagination defaults to its $primary blue via --bs-pagination-*, so this
   needs an explicit override to pick up the app's accent color instead. ---- */
.pagination .page-link { color: var(--ink-soft); border-color: var(--rule); }
.pagination .page-link:hover, .pagination .page-link:focus {
  color: var(--accent-dark); background-color: var(--accent-soft); border-color: var(--rule); box-shadow: none;
}
.pagination .page-item.active .page-link {
  background-color: var(--accent); border-color: var(--accent); color: #fff;
}
.pagination .page-item.disabled .page-link { color: var(--ink-faint); background-color: transparent; }

/* ---- Task search / filter panel ---- */
.task-filter-panel { background: var(--surface); }
.task-filter-sections {
  display: flex; flex-wrap: wrap; gap: 1.25rem; margin-bottom: 1.5rem;
}
.task-filter-section {
  flex: 1 1 280px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}
.task-filter-section-title {
  display: flex; align-items: center; gap: 0.45rem;
  text-transform: uppercase; font-size: 0.72rem; font-weight: 700; letter-spacing: .06em;
  color: var(--accent-dark); margin-bottom: 1.1rem;
}
.task-filter-section-title i { font-size: 0.9rem; }
.task-filter-field { margin-bottom: 1rem; }
.task-filter-field.mb-0 { margin-bottom: 0; }
.task-filter-field .form-label { color: var(--ink-soft); font-weight: 500; }

.task-filter-search-bar {
  display: flex; justify-content: flex-end; padding-top: 1.25rem; border-top: 1px solid var(--rule);
}
.task-filter-search-bar .btn { padding: 0.6rem 2rem; font-weight: 600; }

/* Native <select multiple> fallback: readable multi-row listbox instead of a
   squished single line, in case Select2's JS hasn't (yet, or ever) applied. */
select[multiple].js-select2 { min-height: 6.5em; }

.task-empty-hint {
  display: flex; align-items: center; gap: 1rem;
  background: var(--accent-soft); color: var(--accent-dark);
  border-radius: var(--radius-md); padding: 1.25rem 1.5rem;
}
.task-empty-hint i { font-size: 1.4rem; flex-shrink: 0; }
.task-empty-hint .text-muted { color: var(--accent-dark) !important; opacity: .75; }

/* Select2 theming lives in tasks/list.html's extra_head, loaded right after
   select2.min.css itself — CSS load order matters here (see that file for why). */

/* ---- Activity timeline (task log pipeline) ---- */
.activity-timeline-item { position: relative; padding-left: 2.75rem; padding-bottom: 1.25rem; }
.activity-timeline-item:last-child { padding-bottom: 0; }
.activity-timeline-item::before {
  content: ""; position: absolute; left: 0.9rem; top: 2rem; bottom: -0.25rem; width: 2px; background: var(--rule);
}
.activity-timeline-item:last-child::before { display: none; }
.activity-timeline-marker {
  position: absolute; left: 0; top: 0; width: 1.9rem; height: 1.9rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.85rem;
  box-shadow: 0 0 0 4px var(--surface);
}
.activity-timeline-content {
  background: var(--bg); border-radius: var(--radius-md); padding: 0.85rem 1rem;
}

/* ---- Full-page loader (shown during navigation/form submits) ---- */
.app-loader {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(244, 246, 249, 0.94);
}
.app-loader[hidden] { display: none; }
.app-loader-gears { position: relative; width: 96px; height: 92px; }
.app-loader-gear { position: absolute; color: var(--accent); }
.app-loader-gear-lg {
  font-size: 64px; left: 0; top: 26px;
  animation: app-loader-spin-cw 3s linear infinite;
}
.app-loader-gear-sm {
  font-size: 40px; left: 44px; top: 0;
  animation: app-loader-spin-ccw 2.1s linear infinite;
}
@keyframes app-loader-spin-cw { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes app-loader-spin-ccw { from { transform: rotate(0deg); } to { transform: rotate(-360deg); } }
.app-loader-text { margin-top: 18px; font-weight: 600; color: var(--ink-soft, #4b5563); font-size: 15px; letter-spacing: 0.2px; }