/* ══════════════════════════════════════════════════════════════
   DRAWER.CSS — Lead Profile Drawer (Slide-in from right)
   ══════════════════════════════════════════════════════════════ */

/* ── Overlay ─────────────────────────────────────────────────── */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(3px);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

/* ── Drawer Container ────────────────────────────────────────── */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 480px;
  height: 100vh;
  background: var(--white);
  z-index: 950;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  transition: transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.drawer.open {
  transform: translateX(0);
}

/* ── Drawer Header ───────────────────────────────────────────── */
.drawer-header {
  padding: var(--sp-6);
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.drawer-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.drawer-close:hover {
  background: var(--gray-200);
  color: var(--gray-800);
  transform: rotate(90deg);
}

/* ── Lead Identity ───────────────────────────────────────────── */
.drawer-identity {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.drawer-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  box-shadow: 0 4px 12px rgba(245, 142, 38, 0.3);
  flex-shrink: 0;
  letter-spacing: 1px;
}

.drawer-identity-info {
  flex: 1;
  min-width: 0;
}

.drawer-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drawer-destination {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.drawer-destination i {
  color: var(--primary);
  font-size: 11px;
}

.drawer-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 4px;
  line-height: 1;
}

/* ── Status Select ───────────────────────────────────────────── */
.drawer-status-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.drawer-status-select {
  padding: 6px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast);
  background: var(--white);
  -webkit-appearance: none;
  appearance: none;
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='%239CA3AF'%3E%3Cpath d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.drawer-status-select:focus {
  border-color: var(--primary);
}

.drawer-status-select[data-status="new"] {
  color: var(--info);
  background-color: var(--info-light);
  border-color: var(--info);
}

.drawer-status-select[data-status="negotiating"] {
  color: #B45309;
  background-color: var(--warning-light);
  border-color: var(--warning);
}

.drawer-status-select[data-status="closed"] {
  color: #15803D;
  background-color: var(--success-light);
  border-color: var(--success);
}

.drawer-status-select[data-status="lost"] {
  color: var(--danger);
  background-color: var(--danger-light);
  border-color: var(--danger);
}

.drawer-created {
  font-size: 11px;
  color: var(--gray-400);
  margin-left: auto;
}

/* ── Quick Actions ───────────────────────────────────────────── */
.drawer-quick-actions {
  display: flex;
  gap: var(--sp-2);
}

.drawer-quick-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 10px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-600);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.drawer-quick-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-subtle);
}

.drawer-quick-btn.whatsapp {
  color: #25D366;
  border-color: rgba(37, 211, 102, 0.3);
}

.drawer-quick-btn.whatsapp:hover {
  background: rgba(37, 211, 102, 0.08);
  border-color: #25D366;
}

/* ── Drawer Tabs ─────────────────────────────────────────────── */
.drawer-tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-100);
  flex-shrink: 0;
  background: var(--white);
}

.drawer-tab {
  flex: 1;
  padding: var(--sp-3) var(--sp-4);
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-400);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.drawer-tab:hover {
  color: var(--gray-600);
  background: var(--gray-50);
}

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

.drawer-tab i {
  font-size: 13px;
}

/* ── Drawer Body (scrollable) ────────────────────────────────── */
.drawer-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.drawer-tab-panel {
  display: none;
  padding: var(--sp-6);
  animation: fadeIn var(--transition-base) ease;
}

.drawer-tab-panel.active {
  display: block;
}

/* ── Section Blocks ──────────────────────────────────────────── */
.drawer-section {
  margin-bottom: var(--sp-6);
}

.drawer-section-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-400);
  margin-bottom: var(--sp-4);
}

.drawer-section-title i {
  font-size: 12px;
  color: var(--primary);
}

/* ── Info Rows ───────────────────────────────────────────────── */
.drawer-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.drawer-info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--sp-3);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
}

.drawer-info-item.full {
  grid-column: 1 / -1;
}

.drawer-info-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-400);
}

.drawer-info-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-800);
  line-height: 1.4;
}

.drawer-info-value a {
  color: var(--primary);
  transition: color var(--transition-fast);
}

.drawer-info-value a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ── Tags Grid ───────────────────────────────────────────────── */
.drawer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.drawer-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary-hover);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.drawer-tag i {
  font-size: 10px;
}

.drawer-tag.miles {
  background: var(--info-light);
  color: var(--info);
}

/* ── Notes Tab ───────────────────────────────────────────────── */
.drawer-notes-area {
  width: 100%;
  padding: var(--sp-3);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-800);
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
  min-height: 100px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.drawer-notes-area:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

/* ── Timeline ────────────────────────────────────────────────── */
.drawer-timeline {
  position: relative;
  padding-left: 24px;
}

.drawer-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--gray-200);
  border-radius: 2px;
}

.drawer-timeline-item {
  position: relative;
  padding-bottom: var(--sp-5);
  animation: fadeIn var(--transition-base) ease;
}

.drawer-timeline-item:last-child {
  padding-bottom: 0;
}

.drawer-timeline-dot {
  position: absolute;
  left: -20px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 2.5px solid var(--primary);
}

.drawer-timeline-dot.info { border-color: var(--info); }
.drawer-timeline-dot.success { border-color: var(--success); }
.drawer-timeline-dot.warning { border-color: var(--warning); }

.drawer-timeline-content {
  padding: var(--sp-3);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-100);
}

.drawer-timeline-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
}

.drawer-timeline-date {
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 2px;
}

/* ── Checklist Section ───────────────────────────────────────── */
.drawer-checklist-group {
  margin-bottom: var(--sp-6);
}

.drawer-checklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  background: var(--gray-50);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.drawer-checklist-header:hover {
  background: var(--gray-100);
}

.drawer-checklist-header-left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.drawer-checklist-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.drawer-checklist-icon.primary {
  background: var(--primary-light);
  color: var(--primary);
}

.drawer-checklist-icon.info {
  background: var(--info-light);
  color: var(--info);
}

.drawer-checklist-icon.success {
  background: var(--success-light);
  color: var(--success);
}

.drawer-checklist-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
}

.drawer-checklist-progress {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
}

.drawer-checklist-progress-bar {
  width: 60px;
  height: 4px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.drawer-checklist-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.drawer-checklist-progress-fill.complete {
  background: var(--success);
}

.drawer-checklist-items {
  border: 1px solid var(--gray-100);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
}

.drawer-checklist-items.collapsed {
  display: none;
}

.drawer-check-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--gray-50);
  transition: background var(--transition-fast);
  font-size: 13px;
  color: var(--gray-700);
  position: relative;
}

.drawer-check-item:hover {
  background: var(--gray-50);
}

.drawer-check-item.done {
  color: var(--gray-400);
}

.drawer-check-item.done .drawer-check-text {
  text-decoration: line-through;
}

.drawer-check-text {
  flex: 1;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  min-width: 0;
}

.drawer-check-text:hover {
  background: rgba(245, 142, 38, 0.08);
}

.drawer-checkbox {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  font-size: 10px;
  color: transparent;
  cursor: pointer;
}

.drawer-checkbox:hover {
  border-color: var(--primary);
  transform: scale(1.1);
}

.drawer-check-item.done .drawer-checkbox {
  background: var(--success);
  border-color: var(--success);
  color: var(--white);
}

/* ── Remove Button ─────────────────────────────────────────── */
.drawer-check-remove {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--gray-300);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  font-size: 10px;
  opacity: 0;
}

.drawer-check-item:hover .drawer-check-remove {
  opacity: 1;
}

.drawer-check-remove:hover {
  background: var(--danger-light);
  color: var(--danger);
  transform: scale(1.1);
}

/* ── Add Item Button ───────────────────────────────────────── */
.drawer-check-add {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  color: var(--gray-400);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-top: 1px dashed var(--gray-200);
}

.drawer-check-add:hover {
  color: var(--primary);
  background: var(--primary-subtle);
}

.drawer-check-add i {
  font-size: 10px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px dashed var(--gray-300);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.drawer-check-add:hover i {
  border-color: var(--primary);
  color: var(--primary);
}

/* ── Inline Edit Input ─────────────────────────────────────── */
.drawer-check-edit-input {
  width: 100%;
  padding: 4px 8px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

/* ── New Item Input Row ────────────────────────────────────── */
.drawer-check-new-row {
  background: var(--primary-subtle);
}

.drawer-check-new-input {
  flex: 1;
  padding: 6px 10px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.drawer-check-new-input::placeholder {
  color: var(--gray-400);
}

.drawer-check-confirm {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--success);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  font-size: 11px;
}

.drawer-check-confirm:hover {
  background: #16A34A;
  transform: scale(1.05);
}

/* ── Footer ──────────────────────────────────────────────────── */
.drawer-footer {
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--gray-100);
  display: flex;
  gap: var(--sp-3);
  flex-shrink: 0;
  background: var(--white);
}

.drawer-footer .btn {
  flex: 1;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .drawer {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .drawer-header {
    padding: var(--sp-4);
  }

  .drawer-tab-panel {
    padding: var(--sp-4);
  }

  .drawer-info-grid {
    grid-template-columns: 1fr;
  }

  .drawer-quick-actions {
    flex-wrap: wrap;
  }

  .drawer-quick-btn {
    flex: 1 1 calc(50% - 4px);
  }
}

/* ══════════════════════════════════════════════════════════════
   ACTIVITIES TAB — Team Collaboration Feed
   ══════════════════════════════════════════════════════════════ */

/* ── Tab Badge ───────────────────────────────────────────────── */
.drawer-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background: var(--danger);
  color: white;
  font-size: 9px;
  font-weight: 700;
  margin-left: 4px;
  line-height: 1;
}

/* ── Activity Composer ───────────────────────────────────────── */
.activity-composer {
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--sp-6);
}

.activity-composer-header {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
}

.activity-composer-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 6px;
}

.activity-composer-title i {
  color: var(--primary);
}

/* ── Activity Type Chips ─────────────────────────────────────── */
.activity-type-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--gray-100);
}

.activity-type-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-500);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.activity-type-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-subtle);
}

.activity-type-chip.active {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--white);
}

.activity-type-chip i {
  font-size: 10px;
}

/* ── Compose Body ────────────────────────────────────────────── */
.activity-compose-body {
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.activity-title-input {
  width: 100%;
  padding: var(--sp-3);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-800);
  font-size: 13px;
  font-family: inherit;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition-fast);
}

.activity-title-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.activity-title-input::placeholder {
  color: var(--gray-400);
  font-weight: 400;
}

.activity-detail-wrap {
  position: relative;
}

.activity-detail-input {
  width: 100%;
  padding: var(--sp-3);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-800);
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
  min-height: 52px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.activity-detail-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.activity-detail-input::placeholder {
  color: var(--gray-400);
}

/* ── Compose Footer ──────────────────────────────────────────── */
.activity-compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.activity-assign-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 1;
  min-width: 0;
}

.activity-assign-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}

.activity-assign-label i {
  color: var(--danger);
  font-size: 11px;
}

.activity-assign-select {
  flex: 1;
  min-width: 0;
  padding: 5px 8px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: inherit;
  color: var(--gray-700);
  background: var(--white);
  outline: none;
  cursor: pointer;
}

.activity-assign-select:focus {
  border-color: var(--primary);
}

/* ── @Mention Dropdown ───────────────────────────────────────── */
.mention-dropdown {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 4px;
  animation: fadeIn 0.15s ease;
}

.mention-dropdown.hidden {
  display: none;
}

.mention-option {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.mention-option:hover {
  background: var(--primary-subtle);
}

.mention-option-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.mention-option-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.mention-option-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
}

.mention-option-role {
  font-size: 10px;
  color: var(--gray-400);
}

.mention-option-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mention-option-status.online {
  background: var(--success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.mention-option-status.offline {
  background: var(--gray-300);
}

/* ── Mention Highlight ───────────────────────────────────────── */
.mention-highlight {
  background: linear-gradient(135deg, rgba(245, 142, 38, 0.12) 0%, rgba(245, 142, 38, 0.06) 100%);
  color: var(--primary);
  font-weight: 600;
  padding: 1px 4px;
  border-radius: 3px;
  border: 1px solid rgba(245, 142, 38, 0.15);
}

/* ── Activity Feed Header ────────────────────────────────────── */
.activity-feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-400);
}

.activity-feed-header span:first-child {
  display: flex;
  align-items: center;
  gap: 6px;
}

.activity-feed-header i {
  color: var(--primary);
}

.activity-feed-count {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
}

/* ── Activity Feed Timeline ──────────────────────────────────── */
.activity-feed {
  position: relative;
  padding-left: 28px;
}

.activity-feed::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gray-200) 0%, var(--gray-100) 100%);
  border-radius: 2px;
}

/* ── Activity Item ───────────────────────────────────────────── */
.activity-item {
  position: relative;
  padding-bottom: var(--sp-4);
  animation: activitySlideIn 0.3s ease both;
}

@keyframes activitySlideIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.activity-item:last-child {
  padding-bottom: 0;
}

.activity-item-dot {
  position: absolute;
  left: -22px;
  top: 8px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 1;
}

.activity-item-content {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-4);
  transition: all var(--transition-fast);
}

.activity-item-content:hover {
  border-color: var(--gray-200);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.activity-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.activity-item-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.activity-type-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.activity-item-date {
  font-size: 10px;
  color: var(--gray-400);
}

.activity-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
  line-height: 1.4;
}

.activity-item-details {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
  margin-top: 4px;
  padding: var(--sp-2) var(--sp-3);
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gray-200);
}

/* ── Activity Footer (Author + Assigned + Mentions) ──────────── */
.activity-item-footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--gray-50);
}

.activity-author {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--gray-500);
}

.activity-author-avatar {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.activity-assigned-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
  padding: 2px 8px;
  background: rgba(239, 68, 68, 0.06);
  border-radius: var(--radius-full);
  border: 1px solid rgba(239, 68, 68, 0.12);
}

.activity-assigned-badge i {
  font-size: 8px;
  color: var(--gray-400);
}

.activity-mentions-row {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.activity-mention-chip {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 600;
  background: rgba(245, 142, 38, 0.06);
  border: 1px solid;
}

/* ── Empty State ─────────────────────────────────────────────── */
.activity-empty {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  color: var(--gray-400);
}

.activity-empty i {
  font-size: 32px;
  margin-bottom: var(--sp-3);
  opacity: 0.4;
}

.activity-empty p {
  font-size: 13px;
  font-weight: 500;
}

.activity-empty-hint {
  font-size: 11px;
  color: var(--gray-300);
  margin-top: 4px;
}

/* ── Responsive Activities ───────────────────────────────────── */
@media (max-width: 520px) {
  .activity-type-selector {
    gap: 4px;
    padding: var(--sp-2) var(--sp-3);
  }

  .activity-type-chip {
    padding: 4px 8px;
    font-size: 10px;
  }

  .activity-compose-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .activity-assign-row {
    flex-wrap: wrap;
  }

  .activity-mentions-row {
    margin-left: 0;
  }
}