:root {
  --ud-portfolio-radius: 14px;
  --ud-portfolio-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --ud-color-primary: #2563eb;
  --ud-color-dark: #0f172a;
  --ud-color-gray-light: #f3f4f6;
  --ud-color-gray: #475569;
}

/* ===== SHORTCODE GRID (Bootstrap Independent) ===== */
.ud-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .ud-portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .ud-portfolio-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== CARD STYLES ===== */
.ud-portfolio-card-wrapper {
  display: flex;
  flex-direction: column;
}

.ud-portfolio-card {
  display: block;
  background: #ffffff;
  border-radius: var(--ud-portfolio-radius);
  box-shadow: var(--ud-portfolio-shadow);
  overflow: hidden;
  text-decoration: none;
  height: 100%;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.ud-portfolio-card:hover,
.ud-portfolio-card:focus {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.12);
}

.ud-portfolio-thumb {
  width: 100%;
  height: 220px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.ud-portfolio-thumb--placeholder {
  background: linear-gradient(135deg, var(--ud-color-gray-light) 0%, #e5e7eb 100%);
}

.ud-portfolio-body {
  padding: 1.1rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ud-portfolio-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--ud-color-dark);
  font-weight: 600;
  line-height: 1.3;
}

.ud-portfolio-summary {
  margin: 0 0 0.75rem;
  color: var(--ud-color-gray);
  font-size: 0.96rem;
  line-height: 1.5;
  flex: 1;
}

.ud-portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ud-color-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===== CTA BUTTON ===== */
.ud-portfolio-cta {
  text-align: center;
  margin-top: 1.5rem;
}

.ud-portfolio-cta-btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--ud-color-primary);
  background: transparent;
  color: var(--ud-color-primary);
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 160ms ease;
}

.ud-portfolio-cta-btn:hover {
  background: var(--ud-color-primary);
  color: white;
}

/* ===== NAVIGATION (Bootstrap Independent) ===== */
.ud-portfolio-navigation {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e7eb;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
}

.ud-portfolio-navigation a {
  flex: 1;
  min-width: 120px;
  padding: 0.6rem 1rem;
  border: 1px solid #cbd5e1;
  background: transparent;
  color: var(--ud-color-gray);
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  text-align: center;
  transition: all 160ms ease;
}

.ud-portfolio-navigation a:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: var(--ud-color-dark);
}

@media (min-width: 768px) {
  .ud-portfolio-navigation {
    flex-wrap: nowrap;
  }
  
  .ud-portfolio-navigation a {
    flex: 1;
  }
}

/* ===== GALLERY GRID ===== */
.ud-portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.ud-portfolio-gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

/* ===== ARCHIVE FILTER ===== */
.ud-portfolio-filter {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: #f9fafb;
  border-radius: 0.5rem;
}

.ud-portfolio-empty {
  text-align: center;
  color: var(--ud-color-gray);
  padding: 1rem 0;
}

/* ===== BOOTSTRAP 4 COMPATIBILITY ===== */
/* If Bootstrap 4 or 5 is present, use native buttons */
.btn-outline-primary {
  border-color: var(--ud-color-primary);
  color: var(--ud-color-primary);
}

.btn-outline-primary:hover {
  background-color: var(--ud-color-primary);
  color: white;
}

.btn-outline-secondary {
  border-color: #cbd5e1;
  color: var(--ud-color-gray);
}

.btn-outline-secondary:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: var(--ud-color-dark);
}

/* ===== UTILITY ===== */
.text-center {
  text-align: center;
}

.text-end {
  text-align: right;
}

.mt-4 {
  margin-top: 1.5rem;
}

.mb-0 {
  margin-bottom: 0;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

.my-5 {
  margin-top: 3rem;
  margin-bottom: 3rem;
}