/* ==============================================================================
   TENSORFACT BACKEND ADMIN STYLING (admin.css) - Mobile Responsive
   ============================================================================== */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: #070B16;
  border-right: 1px solid var(--border-subtle);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  z-index: 1040;
}

.admin-nav {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-grow: 1;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
}

.admin-nav-link:hover, .admin-nav-link.active {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
}

.admin-main {
  padding: clamp(1.5rem, 4vw, 3rem);
  background: #050811;
  overflow-y: auto;
  width: 100%;
}

.admin-mobile-header {
  display: none;
  background: #070B16;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  min-width: 650px;
}

.admin-table th, .admin-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-table th {
  background: #0B1327;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-table td {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  min-height: 44px;
  padding: 0.75rem 1rem;
  background: #0B1224;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 1rem;
  font-family: var(--font-body);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

@media (max-width: 992px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-mobile-header {
    display: flex;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.9);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    padding: 1.5rem;
  }
}