:root {
  /* Cinza-grafite/chumbo — combina com o acabamento cromado da logo da EMM. */
  --dc-primary: #374151;
  --dc-primary-dark: #1f2937;
  --dc-sidebar-bg: #ffffff;
  --dc-topbar-bg: #ffffff;
  --dc-body-bg: #f5f6fa;
  --dc-border: #e5e7eb;
  --dc-text-muted: #6b7280;
  --dc-sidebar-width: 260px;
  --dc-topbar-height: 64px;

  /* O Bootstrap (via CDN) tem sua própria variável de cor primária — sem
     isso aqui, .btn-primary, foco de campos, .text-primary etc. continuam
     no azul padrão dele, só a logo/menu ficariam grafite. */
  --bs-primary: #374151;
  --bs-primary-rgb: 55, 65, 81;
}

body {
  background-color: var(--dc-body-bg);
  font-family: "Segoe UI", Roboto, -apple-system, sans-serif;
  color: #1f2937;
}

/* ===== Login ===== */
.dc-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #eef2ff 0%, #f5f6fa 60%);
}

.dc-login-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  padding: 2.5rem;
}

.dc-login-logo-img {
  display: block;
  height: 72px;
  width: auto;
  margin: 0 auto 1rem;
}

/* ===== App shell ===== */
.dc-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--dc-topbar-height);
  background: var(--dc-topbar-bg);
  border-bottom: 1px solid var(--dc-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  z-index: 1030;
}

.dc-topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: #111827;
  text-decoration: none;
}

.dc-topbar-brand .dc-topbar-logo-img {
  height: 34px;
  width: auto;
}

.dc-sidebar {
  position: fixed;
  top: var(--dc-topbar-height);
  left: 0;
  bottom: 0;
  width: var(--dc-sidebar-width);
  background: var(--dc-sidebar-bg);
  border-right: 1px solid var(--dc-border);
  overflow-y: auto;
  padding: 1rem 0.75rem;
  z-index: 1020;
  transition: transform 0.2s ease;
}

.dc-sidebar .nav-link {
  color: #374151;
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.925rem;
}

.dc-sidebar .nav-link i {
  font-size: 1.05rem;
  width: 20px;
  text-align: center;
}

.dc-sidebar .nav-link:hover {
  background: #f3f4f6;
}

.dc-sidebar .nav-link.active {
  background: #eff6ff;
  color: var(--dc-primary-dark);
  font-weight: 600;
}

.dc-sidebar .nav-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dc-text-muted);
  padding: 0.75rem 0.85rem 0.25rem;
}

.dc-main {
  margin-left: var(--dc-sidebar-width);
  margin-top: var(--dc-topbar-height);
  padding: 1.75rem;
  min-height: calc(100vh - var(--dc-topbar-height));
}

@media (max-width: 991.98px) {
  .dc-sidebar {
    transform: translateX(-100%);
  }
  .dc-sidebar.show {
    transform: translateX(0);
  }
  .dc-main {
    margin-left: 0;
  }
}

/* ===== Cards / widgets ===== */
.dc-stat-card {
  background: #fff;
  border: 1px solid var(--dc-border);
  border-radius: 14px;
  padding: 1.25rem;
  height: 100%;
}

.dc-stat-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #fff;
}

.dc-card {
  background: #fff;
  border: 1px solid var(--dc-border);
  border-radius: 14px;
}

.dc-page-title {
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 0.15rem;
}

.dc-page-subtitle {
  color: var(--dc-text-muted);
  font-size: 0.9rem;
}

.table > :not(caption) > * > * {
  vertical-align: middle;
}

.dc-badge-nivel-publico { background: #dcfce7; color: #166534; }
.dc-badge-nivel-interno { background: #dbeafe; color: #1e40af; }
.dc-badge-nivel-confidencial { background: #fef3c7; color: #92400e; }
.dc-badge-nivel-restrito { background: #fee2e2; color: #991b1b; }
.dc-badge-nivel-sigiloso { background: #f3e8ff; color: #6b21a8; }

.dc-file-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eff6ff;
  color: var(--dc-primary);
  font-size: 1.1rem;
}

.dc-empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--dc-text-muted);
}

.dc-progress-wrap {
  display: none;
}

.dc-clickable {
  cursor: pointer;
}

.dc-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--dc-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.dc-avatar-img {
  object-fit: cover;
  background: var(--dc-body-bg);
}