/* ============================================================
   ReadyTrack Safety — Brand Stylesheet
   Bootstrap 5 base + brand overrides
   ============================================================ */

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
  --rt-red:         #ED1C24;
  --rt-red-dark:    #c4161c;
  --rt-black:       #000000;
  --rt-white:       #FFFFFF;
  --rt-charcoal:    #1F2933;
  --rt-gray-light:  #F5F7FA;
  --rt-gray-border: #D9DEE5;

  --rt-ready:       #16A34A;
  --rt-attention:   #F59E0B;
  --rt-urgent:      #DC2626;
  --rt-info:        #2563EB;
  --rt-neutral:     #6B7280;

  --rt-sidebar-width: 260px;
}

/* ─── Global ─────────────────────────────────────────────────── */
body {
  background-color: var(--rt-gray-light);
  color: var(--rt-charcoal);
  font-family: 'Inter', 'Segoe UI', sans-serif;
}

a {
  color: var(--rt-info);
}

/* ─── Content links (tables, cards) — dark underline style ────── */
.rt-card a:not(.btn):not(.nav-link),
.rt-main a:not(.btn):not(.nav-link):not(.navbar-brand) {
  color: var(--rt-charcoal);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.rt-card a:not(.btn):not(.nav-link):hover,
.rt-main a:not(.btn):not(.nav-link):not(.navbar-brand):hover {
  color: var(--rt-black);
  text-decoration: underline;
}

/* ─── Brand Navbar ───────────────────────────────────────────── */
.navbar-brand-logo {
  height: 40px;
  width: auto;
}

.navbar-readytrack {
  background-color: var(--rt-charcoal);
  border-bottom: 3px solid var(--rt-red);
  padding-top: 8px;
  padding-bottom: 8px;
  position: relative;
  z-index: 1030;
}

.navbar-readytrack .navbar-brand {
  padding-top: 0;
  padding-bottom: 0;
  display: flex;
  align-items: center;
}

.navbar-readytrack .navbar-brand,
.navbar-readytrack .nav-link {
  color: var(--rt-white) !important;
}

.navbar-readytrack .nav-link:hover {
  color: var(--rt-red) !important;
}

/* ─── Sidebar ────────────────────────────────────────────────── */
.rt-sidebar {
  width: var(--rt-sidebar-width);
  min-height: calc(100vh - 60px);
  background-color: var(--rt-charcoal);
  flex-shrink: 0;
}

.rt-sidebar .nav-link {
  color: rgba(255, 255, 255, 0.75);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  margin-bottom: 2px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.rt-sidebar .nav-link:hover,
.rt-sidebar .nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--rt-white);
}

.rt-sidebar .nav-link i {
  width: 20px;
  text-align: center;
  margin-right: 8px;
}

.rt-sidebar-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  padding: 1rem 1rem 0.25rem;
}

/* ─── Main Content ───────────────────────────────────────────── */
.rt-main {
  flex: 1;
  min-width: 0;
  padding: 1.5rem;
}

/* ─── Page Header ────────────────────────────────────────────── */
.rt-page-header {
  margin-bottom: 1.5rem;
}

.rt-page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--rt-charcoal);
}

/* ─── Stat Cards ─────────────────────────────────────────────── */
.rt-stat-card {
  border: none;
  border-radius: 10px;
  background: var(--rt-white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  padding: 1.25rem;
}

.rt-stat-card .stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--rt-neutral);
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.rt-stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.rt-stat-card .stat-icon {
  font-size: 2rem;
  opacity: 0.15;
}

/* ─── Readiness Badges ───────────────────────────────────────── */
.badge-ready {
  background-color: var(--rt-ready);
  color: white;
}

.badge-attention {
  background-color: var(--rt-attention);
  color: white;
}

.badge-urgent,
.badge-expired,
.badge-out-of-service {
  background-color: var(--rt-urgent);
  color: white;
}

.badge-neutral,
.badge-inactive,
.badge-suspended {
  background-color: var(--rt-neutral);
  color: white;
}

.badge-info {
  background-color: var(--rt-info);
  color: white;
}

/* Readiness indicator dot */
.rt-readiness-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.rt-readiness-dot.ready       { background-color: var(--rt-ready); }
.rt-readiness-dot.attention   { background-color: var(--rt-attention); }
.rt-readiness-dot.out-of-service,
.rt-readiness-dot.urgent      { background-color: var(--rt-urgent); }
.rt-readiness-dot.unknown     { background-color: var(--rt-neutral); }

/* ─── Status Colors (inline text) ───────────────────────────── */
.text-ready      { color: var(--rt-ready) !important; }
.text-attention  { color: var(--rt-attention) !important; }
.text-urgent     { color: var(--rt-urgent) !important; }
.text-rt-neutral { color: var(--rt-neutral) !important; }

/* ─── Cards ──────────────────────────────────────────────────── */
.rt-card {
  border: 1px solid var(--rt-gray-border);
  border-radius: 10px;
  background: var(--rt-white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.rt-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--rt-gray-border);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ─── Tables ─────────────────────────────────────────────────── */
.table-rt th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--rt-neutral);
  font-weight: 600;
  border-bottom: 2px solid var(--rt-gray-border);
}

.table-rt td {
  vertical-align: middle;
  font-size: 0.9rem;
}

/* ─── Expiration row highlighting ────────────────────────────── */
tr.expired-row    { background-color: rgba(220, 38, 38, 0.05); }
tr.attention-row  { background-color: rgba(245, 158, 11, 0.05); }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn-rt-primary {
  background-color: var(--rt-info);
  border-color: var(--rt-info);
  color: white;
}
.btn-rt-primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  color: white;
}

.btn-rt-danger {
  background-color: var(--rt-urgent);
  border-color: var(--rt-urgent);
  color: white;
}

/* ─── Alert strip (red bar at top for urgent issues) ─────────── */
.rt-alert-strip {
  background-color: var(--rt-urgent);
  color: white;
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
}

/* ─── Public site ─────────────────────────────────────────────── */
.hero-section {
  background: linear-gradient(135deg, var(--rt-charcoal) 0%, #2d3748 100%);
  color: var(--rt-white);
  padding: 5rem 0;
}

.hero-section .brand-accent {
  color: var(--rt-red);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-icon.red     { background-color: rgba(237,28,36,0.1); color: var(--rt-red); }
.feature-icon.green   { background-color: rgba(22,163,74,0.1); color: var(--rt-ready); }
.feature-icon.blue    { background-color: rgba(37,99,235,0.1); color: var(--rt-info); }
.feature-icon.amber   { background-color: rgba(245,158,11,0.1); color: var(--rt-attention); }

.public-nav {
  background-color: var(--rt-charcoal);
  border-bottom: 3px solid var(--rt-red);
}

.public-nav .navbar-brand,
.public-nav .nav-link {
  color: var(--rt-white) !important;
}

.public-nav .nav-link:hover {
  color: var(--rt-red) !important;
}

.section-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--rt-red);
  font-weight: 600;
}

/* ─── Login page ─────────────────────────────────────────────── */
.login-wrapper {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--rt-charcoal) 0%, #2d3748 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 420px;
  border: none;
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.login-header {
  text-align: center;
  padding: 1.25rem 2rem 0;
}

.login-header img {
  height: 130px;
  margin-bottom: 0.5rem;
}

/* ─── Responsive sidebar collapse ────────────────────────────── */
@media (max-width: 991.98px) {
  .rt-sidebar {
    width: 100%;
    min-height: auto;
  }

  .rt-app-wrapper {
    flex-direction: column;
  }
}

/* ─── Footer ─────────────────────────────────────────────────── */
.rt-footer {
  background-color: var(--rt-charcoal);
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  padding: 1.5rem 0;
  margin-top: auto;
}

.rt-footer a {
  color: rgba(255,255,255,0.6);
}

.rt-footer a:hover {
  color: var(--rt-red);
}

/* ─── Dark Mode ───────────────────────────────────────────────── */
/*
 * Bootstrap dark mode is applied via data-bs-theme="dark" set by JS
 * in the layout before page render. Bootstrap handles all its own
 * components (cards, tables, forms, badges, dropdowns, etc.)
 * automatically. This section only overrides ReadyTrack-specific
 * components that Bootstrap doesn't know about.
 */

[data-bs-theme="dark"] {
  /* ReadyTrack CSS variable overrides */
  --rt-gray-light:  #111827;
  --rt-gray-border: #374151;

  /* Body — color-scheme rules like .rt-page-header h1 hardcode
     --rt-charcoal, which Bootstrap's own dark variables don't touch,
     so body text needs its own dark-mode override or it stays
     dark-on-dark. */
  background-color: #111827;
  color: var(--bs-body-color);

  /* Sidebar — keep white text since it's always dark */
  .rt-sidebar { background-color: #0F172A; }
  .rt-sidebar .nav-link { color: rgba(255, 255, 255, 0.75) !important; }
  .rt-sidebar .nav-link:hover,
  .rt-sidebar .nav-link.active { color: #FFFFFF !important; background-color: rgba(255,255,255,0.1); }
  .rt-sidebar-section { color: rgba(255, 255, 255, 0.4); }

  /* ReadyTrack custom cards */
  .rt-card.card,
  .rt-stat-card {
    background-color: var(--bs-card-bg);
    border-color: var(--bs-border-color);
  }

  .rt-page-header h1 { color: var(--bs-body-color); }
  .rt-stat-card .stat-value { color: var(--bs-body-color); }

  /* Expired/attention row highlights — softer on dark */
  tr.expired-row   { background-color: rgba(220, 38, 38, 0.2); }
  tr.attention-row { background-color: rgba(245, 158, 11, 0.15); }

  /* Table header color */
  .table-rt th { color: var(--bs-secondary-color); }

  /* Login page */
  .login-wrapper { background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%); }

  /* Alert strip */
  .rt-alert-strip { background-color: var(--rt-urgent); }

  /* Content links */
  .rt-card a:not(.btn):not(.nav-link),
  .rt-main a:not(.btn):not(.nav-link):not(.navbar-brand) {
    color: #93C5FD;
  }
}