:root {
  --app-primary: #d90429;
  --app-primary-dark: #a1011f;
  --app-secondary: #0f172a;
  --app-surface: #ffffff;
  --app-muted: #6b7280;
  --app-border: #e4e7ec;
  --app-bg: #f5f6fb;
}

body.app-theme {
  background-color: var(--app-bg);
  min-height: 100vh;
  font-family: "Roboto", "Open Sans", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2933;
}

.app-navbar {
  background: var(--app-secondary);
  color: #fff;
  padding: 0.85rem 0;
}

.app-navbar .navbar-brand {
  color: #fff !important;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-navbar .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  transition: color 0.15s ease;
}

.app-navbar .nav-link.active,
.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
  color: #fff !important;
}

.app-navbar .btn-app {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  font-weight: 500;
}

.app-navbar .btn-app:hover {
  background: var(--app-primary);
  border-color: var(--app-primary);
  color: #fff;
}

.app-shell {
  min-height: calc(100vh - 64px);
  background: transparent;
}

.app-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}

.app-navbar .navbar-toggler-icon {
  filter: invert(1);
}

.app-sidebar {
  width: 240px;
  background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
  color: #fff;
  padding: 1.5rem 1.25rem;
  min-height: calc(100vh - 64px);
  position: fixed;
  top: 64px;
  left: 0;
}

.app-sidebar .brand {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.app-sidebar .nav-link {
  color: rgba(255, 255, 255, 0.75);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.8rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease;
}

.app-sidebar .nav-link i {
  font-size: 1.1rem;
}

.app-sidebar .nav-link:hover,
.app-sidebar .nav-link:focus {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.app-sidebar .nav-link.active {
  background: rgba(217, 4, 41, 0.9);
  color: #fff;
  box-shadow: 0 10px 30px rgba(217, 4, 41, 0.25);
}

#adminSidebarOffcanvas .nav-link {
  color: rgba(255, 255, 255, 0.8);
  border-radius: 0.6rem;
  padding: 0.5rem 0.75rem;
}

#adminSidebarOffcanvas .nav-link.active {
  background: rgba(217, 4, 41, 0.2);
  color: #fff;
}

.app-content {
  flex-grow: 1;
  padding: 2rem;
  width: 100%;
}

@media (min-width: 992px) {
  .app-content {
    margin-left: 240px;
  }
}

@media (max-width: 991px) {
  .app-sidebar {
    display: none;
  }

  .app-content {
    margin-left: 0;
    padding: 1.5rem 1.2rem;
  }
}

.app-theme .card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  background: var(--app-surface);
}

.app-theme .card-header {
  border: none;
  border-radius: 1rem 1rem 0 0;
}

.app-theme .table {
  border-color: var(--app-border);
}

.app-theme .table thead {
  background-color: #f1f5f9;
  border-bottom: 1px solid var(--app-border);
}

.app-theme .table-hover tbody tr:hover {
  background: #fdf2f5;
}

.badge-status {
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
}

.badge-status.stock {
  background: #e2e8f0;
  color: #0f172a;
}

.badge-status.valid {
  background: rgba(16, 185, 129, 0.2);
  color: #047857;
}

.badge-status.reject {
  background: rgba(248, 113, 113, 0.2);
  color: #b91c1c;
}

.badge-status.used {
  background: rgba(15, 23, 42, 0.2);
  color: #0f172a;
}

.app-section-title {
  color: #0f172a;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.app-section-subtitle {
  color: var(--app-muted);
  margin-bottom: 2rem;
}

.app-theme .btn-primary,
.app-theme .btn-danger,
.app-theme .btn-success {
  border: none;
  border-radius: 0.7rem;
  padding: 0.55rem 1.3rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(217, 4, 41, 0.2);
}

.app-theme .btn-primary {
  background: var(--app-primary);
}

.app-theme .btn-primary:hover {
  background: var(--app-primary-dark);
}

.app-theme .btn-outline-light {
  border-radius: 0.7rem;
}

.hero-soft {
  background: linear-gradient(
    120deg,
    rgba(217, 4, 41, 0.1),
    rgba(15, 23, 42, 0.08)
  );
  border-radius: 1.5rem;
  padding: 3rem;
}

.app-theme .section-title::after {
  background: linear-gradient(
    90deg,
    var(--app-primary),
    var(--app-primary-dark)
  );
}

.auth-wrapper {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  border-radius: 1.25rem;
  box-shadow: 0 40px 80px rgba(15, 23, 42, 0.15);
  overflow: hidden;
}

.auth-card .illustration {
  background: linear-gradient(
    135deg,
    rgba(217, 4, 41, 0.9),
    rgba(15, 23, 42, 0.95)
  );
  color: #fff;
}

.public-theme .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.4);
}

.public-theme .navbar-toggler-icon {
  filter: invert(1);
}