/**
 * SoulEngine Component Styles
 */

/* ========================================
   Navigation
   ======================================== */

.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(12, 13, 16, 0.32);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  z-index: var(--z-sticky);
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.main-nav.scrolled {
  background: rgba(12, 13, 16, 0.9);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border-bottom-color: var(--color-border);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.4);
}

/* Scroll-progress line under the nav */
.main-nav::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: var(--nav-progress, 0%);
  background: linear-gradient(90deg, var(--color-accent-primary), #83e0c6);
  box-shadow: 0 0 10px rgba(224, 120, 80, 0.5);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.main-nav.scrolled::after {
  opacity: 1;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-tight);
  transition: transform 0.22s ease, opacity 0.22s ease;
  text-decoration: none;
}

.brand-link:hover {
  color: var(--color-text-primary);
  transform: translateY(-1px);
  opacity: 0.92;
}

.brand-link:hover .brand-icon-img {
  filter: brightness(1.12) drop-shadow(0 0 7px rgba(224, 120, 80, 0.45));
  transform: scale(1.06);
}

.brand-link:hover .brand-accent {
  text-shadow: 0 0 14px rgba(224, 120, 80, 0.55);
}

.brand-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
  color: white;
  box-shadow: var(--shadow-glow);
}

.brand-icon-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  object-fit: contain;
  transition: filter 0.22s ease, transform 0.22s ease;
}

.brand-text {
  font-family: var(--font-wordmark);
  font-weight: 600;
  letter-spacing: -0.005em;
}

.brand-accent {
  color: var(--color-accent-primary);
  transition: text-shadow 0.22s ease;
}

/* Constellation brand mark (pinned V3: teal breathing core + pastel stars) */
.brand-mark {
  display: block;
  flex-shrink: 0;
  overflow: visible;
}

.brand-mark-core {
  transform-origin: 36px 40px;
  animation: brandBreathe 2.8s ease-in-out infinite;
}

.brand-mark-ring {
  transform-origin: 36px 40px;
  animation: brandRing 2.8s ease-out infinite;
}

.brand-mark-ring-2 {
  animation-delay: 1.4s;
}

.brand-link:hover .brand-mark-core {
  filter: drop-shadow(0 0 6px rgba(131, 224, 198, 0.6));
}

@keyframes brandBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.14); }
}

@keyframes brandRing {
  0% { r: 7; opacity: 0.7; }
  100% { r: 18; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .brand-mark-core { animation: none; }
  .brand-mark-ring { animation: none; opacity: 0; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: var(--space-10);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-2);
}

.nav-link.active {
  color: var(--color-text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background: var(--color-accent-primary);
  border-radius: var(--radius-full);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 var(--space-2);
}

/* Social Links in Nav */
.nav-social-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  min-width: 36px;
  max-width: 36px;
  padding: 0;
  border-radius: 9999px;
  color: rgba(255, 255, 255, 0.5);
  overflow: hidden;
  white-space: nowrap;
  transition: max-width 0.28s ease, padding 0.28s ease, color 0.18s ease, background 0.18s ease;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-social-link:hover {
  max-width: 140px;
  padding: 0 12px;
  justify-content: flex-start;
  gap: 7px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.07);
}

.nav-social-link:active {
  opacity: 0.7;
}

.nav-social-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-social-label {
  font-size: 12px;
  font-weight: 500;
  /* Hidden from layout at rest — prevents pushing icon out of overflow:hidden box */
  width: 0;
  overflow: hidden;
  opacity: 0;
  transition: width 0.28s ease, opacity 0.2s ease 0.08s;
  pointer-events: none;
  letter-spacing: 0.01em;
}

.nav-social-link:hover .nav-social-label {
  width: auto;
  max-width: 100px;
  opacity: 1;
}

/* ========================================
   Navigation Auth
   ======================================== */

.nav-auth {
  display: flex;
  align-items: center;
  margin-left: var(--space-3);
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-border);
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.auth-buttons .btn {
  white-space: nowrap;
}

.auth-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Account Menu */
.account-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.account-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  padding-right: var(--space-3);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.account-trigger:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-hover);
}

.account-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-primary-muted);
  color: var(--color-accent-primary);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
}

.account-avatar .avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.account-avatar .avatar-placeholder {
  font-size: var(--text-sm);
}

.account-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chevron-icon {
  width: 14px;
  height: 14px;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast);
}

.account-trigger:hover .chevron-icon {
  color: var(--color-text-secondary);
}

/* Account Dropdown */
.account-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 200px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.account-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.dropdown-email {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  word-break: break-all;
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.dropdown-item:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.dropdown-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.dropdown-item-danger {
  color: var(--color-error);
}

.dropdown-item-danger:hover {
  background: var(--color-error-muted);
  color: var(--color-error);
}

/* Spinner for loading states */
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-text-tertiary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

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

.btn .icon {
  font-size: 1.1em;
}

/* Button sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* Button variants */
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-primary-hover));
  color: white;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(224, 120, 80, 0.25);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-surface-2);
  border-color: var(--color-border-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.btn-danger {
  background: var(--color-error);
  color: white;
  border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
  background: #c94444;
  border-color: #c94444;
}

/* ========================================
   Inputs
   ======================================== */

.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.input:hover {
  border-color: var(--color-border-hover);
}

.input:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-primary-muted);
}

.input::placeholder {
  color: var(--color-text-tertiary);
}

.input.textarea {
  resize: vertical;
  min-height: 100px;
  line-height: var(--leading-relaxed);
}

.input.code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6560' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.input-hint {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ========================================
   Sliders
   ======================================== */

.slider {
  width: 100%;
  height: 6px;
  appearance: none;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--color-accent-primary);
  border-radius: 50%;
  cursor: grab;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 6px rgba(224, 120, 80, 0.3);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-glow);
}

.slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.1);
}

.slider-group {
  margin-bottom: var(--space-6);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.slider-header label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.slider-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  background: var(--color-accent-primary-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-fast);
}

.card:hover {
  border-color: var(--color-border-hover);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  background: var(--color-bg-tertiary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Stat Cards */
.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.stat-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-primary-muted);
  border-radius: var(--radius-lg);
  font-size: var(--text-xl);
  color: var(--color-accent-primary);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* Action Cards */
.action-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  min-height: 180px;
  color: var(--color-text-primary);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.action-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.action-card:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-accent-primary);
  color: var(--color-text-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.action-card:hover::before {
  opacity: 1;
}

.action-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-primary-muted);
  border-radius: var(--radius-lg);
  font-size: var(--text-xl);
  color: var(--color-accent-primary);
}

.action-content {
  flex: 1;
}

.action-content h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.action-content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.action-arrow {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-tertiary);
  transition: all var(--transition-fast);
}

.action-card:hover .action-arrow {
  color: var(--color-accent-primary);
  transform: translateX(4px);
}

/* ========================================
   Badges
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.badge-accent {
  background: var(--color-accent-primary-muted);
  color: var(--color-accent-primary);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.badge-success {
  background: var(--color-success-muted);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-muted);
  color: var(--color-warning);
}

.badge-error {
  background: var(--color-error-muted);
  color: var(--color-error);
}

.badge-info {
  background: var(--color-accent-secondary-muted);
  color: var(--color-accent-secondary);
}

/* ========================================
   Tags & Tag Inputs
   ======================================== */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.tag-remove {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.tag-remove:hover {
  opacity: 1;
}

.tag-input-container {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  min-height: 48px;
}

.tag-input-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.tag-input {
  border: none;
  background: transparent;
  padding: var(--space-1);
  min-width: 120px;
}

.tag-input:focus {
  box-shadow: none;
}

/* ========================================
   Breadcrumbs
   ======================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.breadcrumb a {
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent-primary);
}

.breadcrumb-sep {
  color: var(--color-text-muted);
}

.breadcrumb span:last-child {
  color: var(--color-text-secondary);
}

/* ========================================
   Page Headers
   ======================================== */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}

.page-header.compact {
  padding: var(--space-4) 0;
  margin-bottom: var(--space-4);
}

.page-header h1 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
}

.page-header p {
  margin-top: var(--space-1);
}

.page-header-actions {
  display: flex;
  gap: var(--space-3);
}

/* ========================================
   Empty States
   ======================================== */

.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-8);
}

.empty-icon {
  font-size: 4rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.empty-state-inline {
  padding: var(--space-10);
  text-align: center;
  background: var(--color-surface-1);
  border-radius: var(--radius-xl);
  border: 1px dashed var(--color-border);
}

/* ========================================
   Modals
   ======================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-4);
  animation: fadeIn var(--transition-fast);
}

.modal {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: scaleIn var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.modal.modal-large {
  max-width: 640px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
}

@keyframes slideDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(20px);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

/* ========================================
   Toasts
   ======================================== */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-3);
  z-index: var(--z-toast);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  min-width: 320px;
  max-width: 420px;
  animation: slideInRight var(--transition-base);
}

.toast-icon {
  font-size: var(--text-lg);
  margin-top: 2px;
}

.toast-success .toast-icon {
  color: var(--color-success);
}

.toast-error .toast-icon {
  color: var(--color-error);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
}

.toast-info .toast-icon {
  color: var(--color-info);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  padding: var(--space-1);
  margin: -var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-2);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ========================================
   Loading States
   ======================================== */

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-surface-3);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.skeleton {
  background: linear-gradient(90deg,
      var(--color-surface-1) 0%,
      var(--color-surface-3) 50%,
      var(--color-surface-1) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ========================================
   Toggles & Checkboxes
   ======================================== */

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  width: 44px;
  height: 24px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  border: 1px solid var(--color-border);
}

.toggle-thumb {
  position: absolute;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--color-text-tertiary);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.toggle input:checked+.toggle-track {
  background: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.toggle input:checked+.toggle-track+.toggle-thumb {
  transform: translateX(20px);
  background: white;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent-primary);
}

/* ========================================
   Responsive Utilities
   ======================================== */

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .main-nav {
    padding: 0 var(--space-4);
  }

  .container {
    padding: 0 var(--space-4);
  }

  .page-header {
    flex-direction: column;
    gap: var(--space-4);
  }

  .page-header-actions {
    width: 100%;
    flex-wrap: wrap;
  }
}