/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 700;
  font-size: 1.15rem;
}

.logo-dot {
  color: var(--color-accent);
}

.theme-toggle {
  border: 1px solid var(--color-border);
  background: transparent;
  border-radius: var(--radius-pill);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--color-accent);
}

.btn-block {
  width: 100%;
}

/* ---------- Tarjetas ---------- */
.card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-md);
}

.category-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: block;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 34, 51, 0.1);
}

.category-card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  font-size: 1.3rem;
}

/* ---------- Formulario / input de URL ---------- */
.url-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.url-input-row {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.url-input {
  flex: 1 1 260px;
  padding: 16px 20px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-elevated);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.url-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* ---------- Loader ---------- */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Vista previa del vídeo ---------- */
.preview {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.preview-thumb {
  width: 100px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.preview-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  width: fit-content;
}

.error-box {
  background: #FEF2F2;
  color: #B91C1C;
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  font-size: 0.9rem;
}

[data-theme="dark"] .error-box {
  background: #3A1414;
  color: #FCA5A5;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
  padding: var(--space-lg) 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.footer-brand img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

/* ---------- Zona de arrastrar/soltar (convertidor de imágenes) ---------- */
.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.dropzone .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-sm);
  font-size: 1.8rem;
}

/* ---------- Selector de formato (toggle de dos opciones) ---------- */
.format-toggle {
  display: flex;
  gap: 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 4px;
}

.format-toggle button {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.format-toggle button.active {
  background: var(--color-accent);
  color: #fff;
}

/* ---------- Resultado de la conversión ---------- */
.result-preview {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.result-preview img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

/* ---------- Lista de archivos (conversión por lotes) ---------- */
.file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 10px 14px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.file-row-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.file-row-info strong {
  font-size: 0.88rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-row-actions .btn {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.file-type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-right: 6px;
}

.remove-file-btn {
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
}

.remove-file-btn:hover {
  background: var(--color-bg);
  color: #B91C1C;
}