/* ==========================================
   PVveda Design System - Cards & Containers
   ========================================== */

.pv-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pv-card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-mockup);
  border-color: var(--border-indigo);
}

/* Dedicated Hero Welcome Card for Empty States */
.pv-hero-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl, 16px);
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.pv-hero-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.pv-hero-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.pv-hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.pv-hero-action {
  margin-bottom: 1.75rem;
}

.pv-hero-features {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.pv-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-light);
}

.pv-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0;
}

.pv-card-body {
  padding: 1.75rem;
  flex: 1;
}

.pv-card-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-light);
  background: var(--bg-card-subtle);
}

.pv-card-footer-end {
  justify-content: flex-end;
}

/* Glassmorphism Card Modifier */
.pv-card-glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .pv-card-glass {
  background: rgba(31, 41, 55, 0.75);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Standard Card Grid System */
.pv-grid,
.pv-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.pv-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.pv-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

/* Standard Card Links & Actions (Ohne Inline-Styles) */
.pv-card-link,
.pv-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease-in-out;
}

.pv-card-link:hover,
.pv-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Standard Card Icon Box */
.pv-card-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm, 6px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  background-color: var(--primary-light);
  color: var(--primary);
}

/* Metric Dashboard Cards */
.pv-metric-card {
  padding: 1.5rem;
}

.pv-metric-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.pv-metric-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
}

.pv-metric-unit {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}

.pv-metric-subtext {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
}