:root {
  --bg: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --line: rgba(24, 56, 90, 0.12);
  --text: #17283d;
  --muted: #607086;
  --primary: #1c67c9;
  --primary-dark: #0f4e9f;
  --accent: #e9f2ff;
  --shadow: 0 20px 60px rgba(31, 55, 86, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
}

html {
  font-size: 16px;
  min-height: 100%;
}

body {
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(28, 103, 201, 0.16), transparent 26%),
    radial-gradient(circle at top right, rgba(28, 103, 201, 0.12), transparent 20%),
    linear-gradient(180deg, #f9fbfe 0%, var(--bg) 100%);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(28, 103, 201, 0.18);
}

.app-navbar {
  padding: 1rem 0;
  background: transparent;
}

.app-navbar .container {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(23, 40, 61, 0.08);
  padding: 0.75rem 1.1rem;
}

.navbar-brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav-link {
  color: var(--muted);
  font-weight: 600;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--text);
}

.app-shell {
  padding-bottom: 3rem;
}

.hero-panel,
.filter-panel,
.admin-filter-panel,
.editor-panel,
.detail-panel,
.empty-state {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 1.5rem;
  padding: 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-copy h1 {
  margin: 1rem 0 0.75rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
}

.hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 58ch;
}

.hero-metrics {
  display: grid;
  gap: 1rem;
}

.metric-card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #ffffff, #edf4ff);
  border: 1px solid rgba(28, 103, 201, 0.14);
}

.metric-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.metric-value {
  margin-top: 0.4rem;
  font-size: 2.3rem;
  font-weight: 800;
}

.filter-panel,
.admin-filter-panel,
.editor-panel,
.detail-panel,
.empty-state {
  padding: 1.5rem;
}

.filter-grid,
.admin-filter-grid {
  display: grid;
  gap: 1rem;
}

.filter-grid {
  grid-template-columns: minmax(0, 2fr) minmax(200px, 1fr) auto;
  align-items: end;
}

.admin-filter-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  align-items: end;
}

.filter-actions,
.admin-filter-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-heading h1 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.website-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.website-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.preview-frame {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #d8e7ff 0%, #eef4ff 100%);
}

.preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.preview-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  text-align: center;
  color: var(--primary-dark);
  background:
    linear-gradient(135deg, rgba(28, 103, 201, 0.16), rgba(255, 255, 255, 0.92)),
    repeating-linear-gradient(45deg, rgba(28, 103, 201, 0.08) 0, rgba(28, 103, 201, 0.08) 14px, transparent 14px, transparent 28px);
}

.preview-placeholder span {
  display: block;
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
}

.preview-placeholder small {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

.website-card-body {
  padding: 1.25rem;
}

.website-card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.9rem;
}

.category-pill {
  display: inline-flex;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

.site-date,
.website-url {
  color: var(--muted);
  font-size: 0.9rem;
}

.website-card h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.website-card p {
  color: var(--muted);
  margin-bottom: 0.9rem;
  min-height: 3.4rem;
}

.website-url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 1rem;
}

.website-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.admin-table {
  background: var(--surface-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.admin-actions {
  flex-wrap: wrap;
}

.empty-state {
  text-align: center;
  margin-top: 1.5rem;
}

.footer {
  padding: 1rem 0 2rem;
}

@media (max-width: 991.98px) {
  .app-navbar .container {
    border-radius: 28px;
  }

  .hero-panel,
  .filter-grid,
  .admin-filter-grid {
    grid-template-columns: 1fr;
  }

  .page-heading {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 575.98px) {
  .hero-panel,
  .filter-panel,
  .admin-filter-panel,
  .editor-panel,
  .detail-panel,
  .empty-state {
    padding: 1.1rem;
    border-radius: 22px;
  }

  .website-card-body {
    padding: 1rem;
  }

  .website-actions,
  .filter-actions,
  .admin-filter-actions {
    flex-direction: column;
  }

  .website-actions .btn,
  .filter-actions .btn,
  .admin-filter-actions .btn {
    width: 100%;
  }
}