/* ======================================================================
   Master Enhancement Bundle for BesserNews Messenger
   Imports all enhanced features in the correct order
   ====================================================================== */

/* Core enhancements */
@import './conversation-list-enhanced.css';
@import './start-surface-enhanced.css';
@import './thread-view-enhanced.css';
@import './composer-enhanced.css';

/* Feature modules */
@import './notes-feature.css';

/* Mobile & responsive */
@import './mobile-optimized.css';

/* Additional UI polish */

/* Backdrop for modals/menus */
.bn-ms-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: calc(var(--bn-ms-z-overlay) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--bn-ms-transition-base);
}

.bn-ms-backdrop[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

/* Toast notifications */
.bn-ms-toast {
  position: fixed;
  bottom: calc(var(--bn-ms-spacing-xl) + var(--bn-ms-safe-bottom, 0px));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bn-ms-color-text);
  color: var(--bn-ms-color-surface);
  padding: var(--bn-ms-spacing-sm) var(--bn-ms-spacing-lg);
  border-radius: var(--bn-ms-radius-pill);
  font-size: var(--bn-ms-font-size-sm);
  font-weight: var(--bn-ms-font-weight-medium);
  box-shadow: var(--bn-ms-shadow-lg);
  z-index: var(--bn-ms-z-max);
  pointer-events: none;
  opacity: 0;
  transition: transform var(--bn-ms-transition-base), 
              opacity var(--bn-ms-transition-base);
  max-width: calc(100vw - 2rem);
  text-align: center;
}

.bn-ms-toast[data-visible="true"] {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.bn-ms-toast--success {
  background: var(--bn-ms-color-success);
  color: #fff;
}

.bn-ms-toast--error {
  background: var(--bn-ms-color-danger);
  color: #fff;
}

.bn-ms-toast--info {
  background: var(--bn-ms-color-primary);
  color: #fff;
}

/* Loading spinner */
.bn-ms-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 122, 24, 0.2);
  border-top-color: var(--bn-ms-color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.bn-ms-spinner--small {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.bn-ms-spinner--large {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* Loading state overlay */
.bn-ms-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: var(--bn-ms-z-overlay);
  border-radius: inherit;
}

.bn-ms-loading-overlay[data-active="true"] {
  display: flex;
}

/* Empty states */
.bn-ms-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--bn-ms-spacing-xl);
  text-align: center;
  color: var(--bn-ms-color-text-muted);
  gap: var(--bn-ms-spacing-md);
}

.bn-ms-empty-state__icon {
  font-size: 4rem;
  opacity: 0.3;
  line-height: 1;
}

.bn-ms-empty-state__title {
  font-size: var(--bn-ms-font-size-lg);
  font-weight: var(--bn-ms-font-weight-bold);
  color: var(--bn-ms-color-text);
}

.bn-ms-empty-state__desc {
  font-size: var(--bn-ms-font-size-sm);
  color: var(--bn-ms-color-text-soft);
  max-width: 35ch;
  line-height: 1.5;
}

.bn-ms-empty-state__action {
  margin-top: var(--bn-ms-spacing-sm);
}

/* Badge/pill components */
.bn-ms-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: var(--bn-ms-radius-pill);
  font-size: var(--bn-ms-font-size-xs);
  font-weight: var(--bn-ms-font-weight-bold);
  line-height: 1.4;
}

.bn-ms-badge--primary {
  background: var(--bn-ms-color-primary-soft);
  color: var(--bn-ms-color-primary-strong);
}

.bn-ms-badge--success {
  background: rgba(34, 197, 94, 0.12);
  color: #15803d;
}

.bn-ms-badge--danger {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.bn-ms-badge--neutral {
  background: var(--bn-ms-color-surface-alt);
  color: var(--bn-ms-color-text-muted);
}

/* Avatar stack (for group conversations) */
.bn-ms-avatar-stack {
  display: inline-flex;
  align-items: center;
}

.bn-ms-avatar-stack__item {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--bn-ms-color-surface);
  overflow: hidden;
  margin-left: -8px;
  transition: transform var(--bn-ms-transition-base);
}

.bn-ms-avatar-stack__item:first-child {
  margin-left: 0;
}

.bn-ms-avatar-stack:hover .bn-ms-avatar-stack__item {
  transform: translateX(4px);
}

.bn-ms-avatar-stack:hover .bn-ms-avatar-stack__item:first-child {
  transform: translateX(0);
}

/* Skeleton loaders */
.bn-ms-skeleton {
  background: linear-gradient(
    90deg,
    var(--bn-ms-color-surface-alt) 0%,
    var(--bn-ms-color-border) 50%,
    var(--bn-ms-color-surface-alt) 100%
  );
  background-size: 200% 100%;
  animation: skeletonPulse 1.5s ease-in-out infinite;
  border-radius: var(--bn-ms-radius-sm);
}

@keyframes skeletonPulse {
  0%, 100% {
    background-position: 200% 0;
  }
  50% {
    background-position: -200% 0;
  }
}

.bn-ms-skeleton--text {
  height: 1em;
  width: 100%;
}

.bn-ms-skeleton--avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.bn-ms-skeleton--button {
  height: 40px;
  width: 100px;
  border-radius: var(--bn-ms-radius-md);
}

/* Divider */
.bn-ms-divider {
  height: 1px;
  background: var(--bn-ms-color-border);
  margin: var(--bn-ms-spacing-md) 0;
  border: none;
}

.bn-ms-divider--thick {
  height: 2px;
  background: var(--bn-ms-color-border-strong);
}

.bn-ms-divider--spacious {
  margin: var(--bn-ms-spacing-lg) 0;
}

/* Utility classes */
.bn-ms-text-center {
  text-align: center;
}

.bn-ms-text-muted {
  color: var(--bn-ms-color-text-muted);
}

.bn-ms-text-soft {
  color: var(--bn-ms-color-text-soft);
}

.bn-ms-text-primary {
  color: var(--bn-ms-color-primary);
}

.bn-ms-text-danger {
  color: var(--bn-ms-color-danger);
}

.bn-ms-text-success {
  color: var(--bn-ms-color-success);
}

.bn-ms-font-bold {
  font-weight: var(--bn-ms-font-weight-bold);
}

.bn-ms-font-medium {
  font-weight: var(--bn-ms-font-weight-medium);
}

.bn-ms-truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bn-ms-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}