/* Buttons - Compact Enterprise Density */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.38rem 0.8rem;
  font-size: 0.785rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.25;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(5, 150, 105, 0.15);
}

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

.btn-secondary {
  background: #ffffff;
  color: #334155;
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-surface-alt);
  color: var(--text-main);
  border-color: var(--border-dark);
}

.btn-danger {
  background: #fee2e2;
  color: var(--danger);
  border-color: var(--danger-border);
}

.btn-danger:hover {
  background: #fca5a5;
  color: #991b1b;
}

.btn-sm {
  padding: 0.2rem 0.45rem;
  font-size: 0.725rem;
}

.btn-icon {
  padding: 0.35rem;
  border-radius: var(--radius-xs);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--bg-surface-alt);
  color: var(--text-main);
}

/* User Pill - Compact */
.user-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0.55rem;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-full);
}

.user-avatar-circle {
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  font-size: 0.725rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-role-tag {
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.04em;
}

/* Status Badges - Compact */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.675rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-full);
  line-height: 1.2;
}

.badge-success {
  background: var(--success-bg);
  color: #065f46;
  border: 1px solid var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: #92400e;
  border: 1px solid var(--warning-border);
}

.badge-danger {
  background: var(--danger-bg);
  color: #b91c1c;
  border: 1px solid var(--danger-border);
}

.badge-info {
  background: var(--info-bg);
  color: #0369a1;
  border: 1px solid var(--info-border);
}

.badge-neutral {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid var(--border-color);
}

/* Form Controls - Compact */
.form-group {
  margin-bottom: 0.85rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 0.25rem;
}

.form-label .req {
  color: var(--danger);
  margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 32px;
  padding: 0 0.65rem;
  font-size: 0.8rem;
  color: var(--text-main);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  outline: none;
  transition: all var(--transition-fast);
}

.form-textarea {
  height: auto;
  padding: 0.45rem 0.65rem;
  resize: vertical;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--primary-focus-ring);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

/* Toast Notifications - Compact */
.toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  pointer-events: none;
}

.toast {
  padding: 0.55rem 0.85rem;
  background: #ffffff;
  border-radius: var(--radius-xs);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.785rem;
  color: var(--text-main);
  pointer-events: auto;
  min-width: 240px;
  max-width: 380px;
  border: 1px solid var(--border-color);
  animation: slideIn 0.15s ease-out;
}

.toast-success {
  border-left: 4.5px solid #059669;
}
.toast-error {
  border-left: 4.5px solid #dc2626;
}
.toast-warning {
  border-left: 4.5px solid #f59e0b;
}
.toast-info {
  border-left: 4.5px solid #0284c7;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Material & Sub-Assembly Type Switcher Tabs */
.rm-tab-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: #64748b;
  font-size: 0.785rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.rm-tab-pill:hover {
  color: #0f172a;
  background: #ffffff;
}

.rm-tab-pill.active {
  background: #ffffff;
  color: #059669;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.rm-tab-badge {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.05rem 0.35rem;
  border-radius: 9999px;
  background: #e2e8f0;
  color: #475569;
}

.rm-tab-pill.active .rm-tab-badge {
  background: #ecfdf5;
  color: #059669;
}