:root {
  --hd-blue: #2563eb;
  --hd-blue-dark: #1d4ed8;
  --hd-blue-light: #eff4ff;
  --hd-border: #e2e8f0;
  --hd-text: #1e293b;
  --hd-muted: #64748b;
}

body {
  font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #f8fafc;
  color: var(--hd-text);
}

.app-navbar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--hd-border);
  padding-top: .75rem;
  padding-bottom: .75rem;
}

.app-navbar .navbar-brand {
  font-weight: 700;
  color: var(--hd-blue);
  letter-spacing: -.02em;
}

.app-navbar .nav-link {
  color: var(--hd-text);
  font-weight: 500;
}

.app-navbar .nav-link:hover {
  color: var(--hd-blue);
}

.role-badge {
  text-transform: capitalize;
  font-weight: 500;
  background-color: var(--hd-blue-light);
  color: var(--hd-blue-dark);
}

.btn-primary {
  background-color: var(--hd-blue);
  border-color: var(--hd-blue);
}

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

.btn-outline-primary {
  color: var(--hd-blue);
  border-color: var(--hd-blue);
}

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

a {
  color: var(--hd-blue);
}

.card {
  border: 1px solid var(--hd-border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}

.card-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--hd-border);
  font-weight: 600;
}

.table thead th {
  color: var(--hd-muted);
  font-weight: 600;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--hd-border);
}

.badge-status {
  font-weight: 500;
  padding: .4em .65em;
}

.badge-status-open { background-color: #e0f2fe; color: #0369a1; }
.badge-status-in_progress { background-color: #fef3c7; color: #92400e; }
.badge-status-resolved { background-color: #dcfce7; color: #166534; }
.badge-status-closed { background-color: #e2e8f0; color: #475569; }

.badge-type-bug { background-color: #fee2e2; color: #b91c1c; }
.badge-type-feedback { background-color: #ede9fe; color: #6d28d9; }
.badge-type-enhancement { background-color: #dbeafe; color: #1d4ed8; }

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8fafc;
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

.brand-title {
  font-weight: 700;
  color: var(--hd-blue);
}

.timeline-item {
  border-left: 2px solid var(--hd-border);
  padding-left: 1rem;
  margin-left: .5rem;
  padding-bottom: 1.25rem;
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--hd-blue);
}

.timeline-item.timeline-event::before {
  background-color: var(--hd-muted);
}

.timeline-event {
  color: var(--hd-muted);
  font-size: .875rem;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .6rem;
  border: 1px solid var(--hd-border);
  border-radius: .375rem;
  background-color: #ffffff;
  font-size: .85rem;
  text-decoration: none;
}

.attachment-chip:hover {
  border-color: var(--hd-blue);
}