/*
  CERTIFICATES.CSS — Página de certificados
*/

.cert-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.cert-filter {
  min-height: 36px;
  padding: 0.4rem 0.75rem;
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  border-radius: var(--radius-sm);
}

.cert-filter.is-active,
.cert-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.cert-card {
  background: var(--color-bg-card);
  border: var(--border-width) solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.cert-preview {
  height: 180px;
  background: #0a0c10;
  border-bottom: var(--border-width) solid var(--color-border);
  overflow: hidden;
}

.cert-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-preview-fallback {
  height: 100%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.cert-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.cert-body h3 {
  font-size: var(--fs-lg);
  letter-spacing: -0.02em;
}

.cert-issuer {
  color: var(--color-primary);
  font-size: var(--fs-sm);
}

.cert-date {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-sm);
}

.cert-actions {
  display: flex;
  gap: var(--space-xs);
  margin-top: auto;
}

.cert-empty {
  grid-column: 1 / -1;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--color-text-muted);
  border: var(--border-width) dashed var(--color-border-strong);
}

.cert-modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 8, 0.82);
  display: none;
  place-items: center;
  padding: var(--gutter);
  z-index: var(--z-modal);
}

.cert-modal.is-open {
  display: grid;
}

.cert-modal-dialog {
  width: min(920px, 100%);
  background: var(--color-bg-elevated);
  border: var(--border-width) solid var(--color-border-strong);
  padding: var(--space-sm);
  position: relative;
}

.cert-modal-dialog img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.cert-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text);
}

@media (max-width: 980px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .cert-actions {
    flex-direction: column;
  }
}