/* ===== Components ===== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary-500);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-600);
}

.btn-primary:active:not(:disabled) {
  background: var(--primary-700);
}

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

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

.btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: white;
  box-shadow: 0 1px 3px rgba(185, 28, 28, 0.2);
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(185, 28, 28, 0.3);
}

.btn-warning {
  background: var(--warning-500);
  color: white;
}

.btn-warning:hover:not(:disabled) {
  background: var(--warning-600);
}

.btn-success {
  background: var(--success-500);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: var(--success-600);
}

.btn-danger-outline {
  background: transparent;
  color: var(--danger-500);
  border: 2px solid var(--danger-500);
}

.btn-danger-outline:hover:not(:disabled) {
  background: var(--danger-500);
  color: white;
}

.btn-warning-outline {
  background: transparent;
  color: var(--warning-500);
  border: 2px solid var(--warning-500);
}

.btn-warning-outline:hover:not(:disabled) {
  background: var(--warning-500);
  color: white;
}

.btn-icon {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-secondary);
}

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

.btn-icon-info {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--primary-500);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: var(--space-2);
}

.btn-icon-info:hover:not(:disabled) {
  background: var(--primary-500);
  color: white;
  transform: scale(1.1);
}

.btn-icon-info svg {
  width: 16px;
  height: 16px;
}

.btn-small {
  padding: var(--space-1) var(--space-3);
  font-size: 0.8125rem;
}

.btn-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-close:hover {
  background: var(--danger-500);
  color: white;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  padding: var(--space-2);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  margin-right: var(--space-3);
}

.mobile-menu-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.form-group input,
.form-group textarea,
.form-group select,
.form-select {
  width: 100%;
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  background: var(--bg-secondary);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* Field Notes */
.field-note {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
}

.toggle-switch input[type="checkbox"] {
  opacity: 0;
  position: absolute;
  width: 0;
  height: 0;
}

.switch {
  display: block;
  width: 40px;
  height: 20px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
}

.switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: var(--radius-full);
  transition: left var(--transition);
}

.toggle-switch input:checked + .switch {
  background: var(--primary-500);
}

.toggle-switch input:checked + .switch::after {
  left: 22px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 var(--space-2);
  background: var(--danger-500);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-left: var(--space-2);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  background: var(--primary-500);
  color: white;
}

.role-badge.admin {
  background: var(--danger-500);
}

.role-badge.owner {
  background: var(--success-500);
}

.role-badge.developer {
  background: var(--warning-500);
  color: var(--gray-900);
}

.tier-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--primary-500);
  color: white;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* ===== Pulse Logo ===== */
.pulse-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pulse-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

/* ===== About Sub-tabs ===== */