/* 
 * SIDE PANEL - Slide-in panel per dettagli/edit
 * Stile HubSpot
 */

/* ============================================================================
   SIDE PANEL
   ============================================================================ */
.side-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 600px;
  height: 100vh;
  background: var(--color-surface);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.2);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 2000;
  display: flex;
  flex-direction: column;
}

.side-panel.active {
  transform: translateX(0);
}

/* Overlay */
.side-panel-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 1999;
}

.side-panel-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Panel Header */
.side-panel-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg);
}

.side-panel-title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: 0;
}

.side-panel-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.side-panel-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

/* Panel Body */
.side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl);
}

/* Panel Footer */
.side-panel-footer {
  padding: var(--space-xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form-label-required::after {
  content: ' *';
  color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  background: var(--color-surface);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(242, 167, 27, 0.1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-help {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.form-error {
  font-size: 0.85rem;
  color: var(--color-danger);
  margin-top: var(--space-xs);
}

/* ============================================================================
   INFO SECTIONS IN PANEL
   ============================================================================ */
.info-section {
  margin-bottom: var(--space-2xl);
}

.info-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text);
}

.info-row {
  display: flex;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  flex: 0 0 160px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.info-value {
  flex: 1;
  color: var(--color-text);
}

.info-value-empty {
  color: var(--color-text-light);
  font-style: italic;
}

/* ============================================================================
   TABS (per panel)
   ============================================================================ */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-xl);
  gap: var(--space-md);
}

.tab {
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.tab:hover {
  color: var(--color-text);
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   RESPONSIVE PANEL
   ============================================================================ */
@media (max-width: 768px) {
  .side-panel {
    width: 100%;
    max-width: 100vw;
  }
}