/* ==========================================================================
   u.cash - Card Components
   Glass cards, solid cards, bordered variants with hover effects.
   ========================================================================== */

/* ---- Base Card ---- */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base);
}

/* ---- Glass Card ---- */

.card-glass {
  background: transparent;
  border: 1.5px solid var(--color-glass-border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card-glass:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-primary);
  box-shadow: 0 8px 32px rgba(204, 153, 51, 0.15);
}

/* ---- Solid Card ---- */

.card-solid {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card-solid:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

/* ---- Bordered Card ---- */

.card-bordered {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.card-bordered:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-primary);
  box-shadow: var(--shadow-gold);
}

/* ---- Card Top Accent ---- */

.card-accent-top {
  border-top: 2px solid var(--color-gold-primary);
}

/* ---- Card with Gold Gradient Border ---- */

.card-gold-border {
  position: relative;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.card-gold-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    var(--color-gold-primary),
    var(--color-gold-dark),
    transparent
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---- Card Content Layout ---- */

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.card-icon-sm {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.card-icon-lg {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
}

.card-icon svg,
.card-icon img {
  width: 24px;
  height: 24px;
}

.card-icon-sm svg,
.card-icon-sm img {
  width: 20px;
  height: 20px;
}

.card-icon-lg svg,
.card-icon-lg img {
  width: 32px;
  height: 32px;
}

/* Gold gradient icon background */
.card-icon-gold {
  background: linear-gradient(
    135deg,
    var(--color-gold-muted),
    var(--color-gold-subtle)
  );
  color: var(--color-gold-primary);
}

.card-icon-gold svg {
  fill: var(--color-gold-primary);
}

.card-icon-glass {
  background: var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-secondary);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: var(--leading-snug);
}

.card-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ---- Card Link ---- */

.card-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gold-primary);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: var(--space-sm);
  color: var(--color-gold-light);
}

.card-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.card-link:hover svg {
  transform: translateX(2px);
}

/* ---- Feature Card (specific for features section) ---- */

.feature-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
}

.feature-card .card-icon {
  margin-bottom: var(--space-lg);
}

.feature-card .card-title {
  margin-bottom: var(--space-sm);
}

/* ---- Interactive Card (clickable) ---- */

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  cursor: pointer;
}

/* ---- Card Grid ---- */

.card-grid {
  display: grid;
  gap: var(--space-lg);
}

.card-grid-2 {
  grid-template-columns: 1fr;
}

.card-grid-3 {
  grid-template-columns: 1fr;
}

.card-grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 576px) {
  .card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

@media (min-width: 992px) {
  .card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- Highlight Card (with glow) ---- */

.card-highlight {
  position: relative;
}

.card-highlight::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    var(--color-gold-primary),
    transparent 50%
  );
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition-base);
}

.card-highlight:hover::after {
  opacity: 0.15;
}

/* ---- Stat Card (compact) ---- */

.stat-card {
  text-align: center;
  padding: var(--space-lg);
}