/* ── Template Designer ─────────────────────────────────────────────────────── */

.tdesign-wrap {
  display: flex;
  height: 100%;
  overflow: hidden;
  background: #f8fafc;
}

/* Sidebar */
.tdesign-sidebar {
  width: 220px;
  min-width: 220px;
  background: #fff;
  border-right: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tdesign-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid #f1f5f9;
}

.tdesign-title {
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#tdesign-list {
  overflow-y: auto;
  flex: 1;
}

.tdesign-list-item {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid #f8fafc;
  transition: background 0.15s;
}
.tdesign-list-item:hover { background: #f1f5f9; }
.tdesign-list-item.active { background: #eff6ff; border-left: 3px solid #2563eb; }

.tdesign-list-name {
  font-size: 13px;
  font-weight: 600;
  color: #1e293b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tdesign-list-code {
  font-size: 11px;
  color: #94a3b8;
  font-family: monospace;
  margin-top: 2px;
}

/* Editor central */
.tdesign-editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border-right: 1px solid #e2e8f0;
}

.tdesign-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.tdesign-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #f1f5f9;
  background: #fff;
}

.tdesign-field-group {
  padding: 10px 20px;
  border-bottom: 1px solid #f1f5f9;
}
.tdesign-label {
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  display: block;
  margin-bottom: 4px;
}
.tdesign-input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 13px;
  color: #1e293b;
  box-sizing: border-box;
}
.tdesign-input:focus { outline: none; border-color: #2563eb; }

/* Tabs */
.tdesign-tabs {
  display: flex;
  gap: 0;
  padding: 0 20px;
  border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
}
.tdesign-tab {
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.tdesign-tab:hover { color: #2563eb; }
.tdesign-tab.active { color: #2563eb; border-bottom-color: #2563eb; }

/* Paneles de editor */
.tdesign-tab-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tdesign-textarea {
  flex: 1;
  resize: none;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.6;
  color: #1e293b;
  background: #fff;
  font-family: inherit;
}
.tdesign-textarea.code {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: #1e1e2e;
  color: #cdd6f4;
}

/* Variables panel */
.tdesign-vars-panel {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
.tdesign-vars-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tdesign-var-chip {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  min-width: 160px;
}
.tdesign-var-chip:hover { background: #eff6ff; border-color: #2563eb; }
.tdesign-var-chip code { font-size: 11px; color: #2563eb; }
.tdesign-var-chip span { font-size: 11px; color: #64748b; margin-top: 2px; }

/* Preview panel */
.tdesign-preview-panel {
  width: 380px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  background: #f8fafc;
  overflow: hidden;
}

.tdesign-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid #e2e8f0;
  background: #fff;
}

/* Botones reutilizados */
.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}
.btn-sm.btn-ghost { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.btn-sm.btn-ghost:hover { background: #e2e8f0; }
.btn-sm.btn-primary { background: #2563eb; color: #fff; }
.btn-sm.btn-primary:hover { background: #1d4ed8; }

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  color: #64748b;
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
}
.btn-icon:hover { background: #f1f5f9; color: #1e293b; }

/* Filtro de canal */
.tdesign-channel-filter {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid #f1f5f9;
  background: #f8fafc;
}
.tdesign-ch-btn {
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  background: #fff;
  color: #64748b;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}
.tdesign-ch-btn:hover { background: #f1f5f9; color: #1e293b; }
.tdesign-ch-btn.active { background: #1e40af; color: #fff; border-color: #1e40af; }

/* Badge de canal en lista y editor */
.tdesign-ch-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

/* Botones de selección de canal en modal nueva plantilla */
.tdesign-new-ch {
  transition: all 0.15s;
}
.tdesign-new-ch.active {
  border-color: #2563eb !important;
  background: #eff6ff !important;
  box-shadow: 0 0 0 2px rgba(37,99,235,.15);
}
.tdesign-new-ch:hover {
  border-color: #93c5fd !important;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  animation: fadeInUp 0.2s ease;
}
.toast-success { background: #065f46; color: #fff; }
.toast-error   { background: #991b1b; color: #fff; }
.toast-info    { background: #1e3a5f; color: #fff; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}