:root {
  /* Primary brand palette: blue and white. --ct-navy/--ct-navy-dark are kept
     as the variable names (used throughout this file) but now hold blue
     tones rather than the earlier dark-navy scheme. */
  --ct-navy: #1955a8;
  --ct-navy-dark: #123f7d;
  --ct-accent: #1c7ed6;
  --ct-accent-light: #4c9aeb;
  --ct-blue-pale: #eaf2fd;
  --ct-green: #2f9e44;
  --ct-amber: #f08c00;
  --ct-red: #e03131;
  --ct-purple: #5f3dc4;
  --ct-gray: #868e96;
  --ct-bg: #f3f7fc;
  --ct-ink: #1b2733;
  --ct-border: #e7edf5;

  /* A layered, low-contrast elevation scale reads as "soft" rather than
     "flat + a plain drop shadow" -- used instead of a single box-shadow
     value everywhere. */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 1px rgba(16, 24, 40, 0.04);
  --shadow-md: 0 2px 6px rgba(16, 24, 40, 0.06), 0 8px 20px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 8px 16px rgba(16, 24, 40, 0.08), 0 20px 40px rgba(16, 24, 40, 0.1);
}

* {
  scrollbar-width: thin;
  scrollbar-color: #c3d3e8 transparent;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-thumb {
  background: #c3d3e8;
  border-radius: 999px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

body {
  background-color: var(--ct-bg);
  color: var(--ct-ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

a {
  color: var(--ct-navy);
}

a:hover {
  color: var(--ct-navy-dark);
}

/* ---------------------------------------------------------------------
   Navbar
------------------------------------------------------------------------ */

.navbar-census {
  background: linear-gradient(180deg, var(--ct-navy) 0%, #164a97 100%);
  box-shadow: 0 2px 10px rgba(9, 38, 79, 0.18);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

.navbar-logo {
  height: 38px;
  width: 38px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.navbar-census .navbar-brand {
  letter-spacing: -0.01em;
  font-weight: 700;
}

.navbar-census .navbar-brand,
.navbar-census .nav-link {
  color: #e4edfa;
}

.navbar-census .nav-link {
  border-radius: 0.5rem;
  padding-left: 0.65rem !important;
  padding-right: 0.65rem !important;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.navbar-census .nav-link:hover,
.navbar-census .nav-link:focus {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar-census .nav-link.active {
  color: #ffffff;
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.14);
}

.navbar-census .dropdown-menu {
  border: none;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
  padding: 0.4rem;
  margin-top: 0.5rem;
}

.navbar-census .dropdown-item {
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
}

.navbar-census .dropdown-item:hover,
.navbar-census .dropdown-item.active {
  background-color: var(--ct-blue-pale);
  color: var(--ct-navy);
}

.login-logo {
  height: 84px;
  width: 84px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 6px var(--ct-blue-pale);
}

.login-shell {
  min-height: 88vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 12% 8%, rgba(28, 126, 214, 0.1), transparent 40%),
    radial-gradient(circle at 88% 92%, rgba(25, 85, 168, 0.12), transparent 45%);
  margin: -1.5rem -1.5rem 0;
  padding: 1.5rem;
}

.login-card {
  border-top: 4px solid var(--ct-navy);
  box-shadow: var(--shadow-lg);
  padding: 2.25rem 2rem;
}

/* ---------------------------------------------------------------------
   Sidebar
------------------------------------------------------------------------ */

.app-shell {
  display: flex;
  align-items: flex-start;
}

.app-sidebar {
  width: 240px;
  flex: 0 0 240px;
  min-height: calc(100vh - 4rem);
  background: #fff;
  border-right: 1px solid var(--ct-border);
  padding: 1.25rem 0.9rem;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  align-self: flex-start;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar-group-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ct-gray);
  margin: 1.1rem 0.6rem 0.35rem;
}

.sidebar-group-label:first-child {
  margin-top: 0.25rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.6rem;
  border-radius: 0.5rem;
  color: var(--ct-ink);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.sidebar-link i {
  font-size: 1rem;
  width: 1.1rem;
  text-align: center;
  color: var(--ct-gray);
}

.sidebar-link:hover {
  background: var(--ct-blue-pale);
  color: var(--ct-navy);
}

.sidebar-link.active {
  background: var(--ct-navy);
  color: #fff;
}

.sidebar-link.active i {
  color: #fff;
}

.sidebar-footer {
  margin-top: 1.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sidebar-illustration {
  display: block;
  width: 100%;
  height: auto;
}

.sidebar-footer-text {
  background: var(--ct-navy);
  color: #eaf2fd;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  padding: 0.5rem;
}

.app-main {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---------------------------------------------------------------------
   Countdown
------------------------------------------------------------------------ */

.countdown-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  color: #eef3f8;
  white-space: nowrap;
}

.countdown-chip [data-cd-days] {
  font-weight: 700;
  font-size: 0.95rem;
}

.countdown-chip [data-cd-clock] {
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}

.countdown-card {
  background: linear-gradient(135deg, var(--ct-navy) 0%, var(--ct-accent) 100%);
  border-radius: 1rem;
  color: #fff;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.countdown-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% -10%, rgba(255, 255, 255, 0.22), transparent 55%);
  pointer-events: none;
}

.countdown-card .countdown-days {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-card .countdown-clock {
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
  opacity: 0.9;
}

.countdown-card .countdown-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
}

.countdown-card.countdown-elapsed {
  background: linear-gradient(135deg, var(--ct-navy), var(--ct-navy-dark));
}

/* ---------------------------------------------------------------------
   Cards
------------------------------------------------------------------------ */

.section-card {
  background: #fff;
  border: 1px solid var(--ct-border);
  border-radius: 1rem;
  box-shadow: var(--shadow-sm);
  padding: 1.35rem;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border: 1px solid var(--ct-border);
  border-radius: 0.9rem;
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
  background: #fff;
}

.kpi-icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: var(--ct-gray);
  color: #fff;
}

.kpi-card.kpi-accent-blue .kpi-icon { background: var(--ct-accent); }
.kpi-card.kpi-accent-green .kpi-icon { background: var(--ct-green); }
.kpi-card.kpi-accent-amber .kpi-icon { background: var(--ct-amber); }
.kpi-card.kpi-accent-red .kpi-icon { background: var(--ct-red); }
.kpi-card.kpi-accent-purple .kpi-icon { background: var(--ct-purple); }

.kpi-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.kpi-card-link:hover .kpi-card {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.kpi-card-link .kpi-label .bi-box-arrow-up-right {
  opacity: 0.5;
  vertical-align: middle;
}

.kpi-card .kpi-value {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.kpi-card .kpi-label {
  color: var(--ct-gray);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.readiness-gauge {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ---------------------------------------------------------------------
   Status badges -- a leading dot keeps status legible even for a viewer
   who can't distinguish the background tint, on top of the color coding.
------------------------------------------------------------------------ */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.32em 0.7em;
  border-radius: 999px;
}

.status-badge::before {
  content: "";
  width: 0.45em;
  height: 0.45em;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.status-NOT_STARTED { background-color: #eef1f4; color: #4a5568; }
.status-ONGOING { background-color: #d7e9ff; color: #1864ab; }
.status-PENDING_VALIDATION { background-color: #e8defc; color: #5f3dc4; }
.status-COMPLETED { background-color: #d3f9d8; color: #2b8a3e; }
.status-DELAYED { background-color: #ffe3e3; color: #c92a2a; }
.status-AT_RISK { background-color: #fff3bf; color: #b8690a; }
.status-OVERDUE { background-color: #e03131; color: #ffffff; }

/* ---------------------------------------------------------------------
   Tables
------------------------------------------------------------------------ */

.table {
  --bs-table-color: var(--ct-ink);
}

.section-card table thead th,
.table thead th {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ct-gray);
  border-bottom-width: 1px;
  border-bottom-color: var(--ct-border);
  padding-top: 0.35rem;
  padding-bottom: 0.6rem;
}

.table-hover-row {
  transition: background-color 0.1s ease;
}

.table-hover-row:hover {
  background-color: var(--ct-blue-pale);
}

.progress-thin {
  height: 0.45rem;
  border-radius: 999px;
  background-color: #eef1f6;
}

.progress-thin .progress-bar {
  border-radius: 999px;
}

/* ---------------------------------------------------------------------
   Buttons + forms
------------------------------------------------------------------------ */

.btn {
  font-weight: 600;
  border-radius: 0.55rem;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-primary {
  background-color: var(--ct-navy);
  border-color: var(--ct-navy);
  box-shadow: 0 1px 2px rgba(25, 85, 168, 0.15);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--ct-navy-dark);
  border-color: var(--ct-navy-dark);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-outline-primary {
  color: var(--ct-navy);
  border-color: var(--ct-navy);
}

.btn-outline-primary:hover {
  background-color: var(--ct-navy);
  border-color: var(--ct-navy);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--ct-accent-light);
  box-shadow: 0 0 0 0.2rem rgba(28, 126, 214, 0.15);
}

/* Bare Django-rendered widgets (e.g. AdminPasswordChangeForm) that don't
   carry Bootstrap classes still get reasonable field styling. */
main input[type="text"]:not(.form-control),
main input[type="password"]:not(.form-control),
main input[type="email"]:not(.form-control),
main select:not(.form-select) {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  border: 1px solid #ced4da;
  border-radius: 0.375rem;
}

/* ---------------------------------------------------------------------
   Misc
------------------------------------------------------------------------ */

.gantt-wrapper {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 520px;
}

.history-entry {
  border-left: 3px solid var(--ct-accent);
  padding-left: 0.75rem;
  margin-bottom: 0.75rem;
}

.alert {
  border: none;
  border-radius: 0.75rem;
}

::selection {
  background: var(--ct-blue-pale);
  color: var(--ct-navy-dark);
}