:root {
  --sidebar: #1f2937;
  --success: #198754;
  --surface: #ffffff;
  --muted-bg: #f4f7f6;
}

body {
  background: var(--muted-bg);
}

.public-body .navbar {
  box-shadow: 0 1px 10px rgba(15, 23, 42, 0.04);
}

.hero-panel,
.content-card,
.warning-box,
.stat-card,
.auth-card {
  background: var(--surface);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
}

.hero-panel {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.content-card,
.warning-box {
  padding: 1.25rem;
}

.warning-box {
  border-left: 5px solid #ffc107;
}

.instruction-list {
  display: grid;
  gap: .75rem;
  margin-bottom: 0;
  padding-left: 1.35rem;
}

.image-preview-grid,
.existing-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .75rem;
}

.preview-image,
.existing-image {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.preview-image img,
.existing-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.existing-image-actions {
  padding: .5rem;
  display: flex;
  gap: .5rem;
  align-items: center;
  justify-content: space-between;
}

.existing-image-actions form {
  margin: 0;
}

.auth-body {
  background: linear-gradient(135deg, #f6fbf8, #eef5f3);
}

.auth-card {
  width: min(100%, 430px);
  padding: 1.5rem;
}

.auth-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #e8f5ee;
  color: var(--success);
  font-size: 1.6rem;
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.admin-sidebar {
  background: var(--sidebar);
  color: #fff;
  padding: 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  gap: .65rem;
  align-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  padding: .75rem .75rem 1.25rem;
}

.admin-sidebar a,
.admin-mobile-links a {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .75rem;
  border-radius: 8px;
  text-decoration: none;
}

.admin-sidebar a {
  color: #d1d5db;
}

.admin-sidebar a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.admin-mobile-links a {
  color: #1f2937;
}

.admin-navbar {
  min-height: 64px;
  background: #fff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem;
}

.admin-content {
  padding: 1.25rem;
}

.stat-card {
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.stat-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1.25rem;
}

.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
}

@media (max-width: 991.98px) {
  .admin-shell {
    display: block;
  }

  .admin-sidebar {
    display: none;
  }

  .admin-content,
  .admin-navbar {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}