/* Community Feed Styles - Bright Holographic Theme */

/* ==================== CONTAINER ==================== */

.community-container {
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fafc 0%, #e0e7ff 50%, #fce7f3 100%);
  padding-bottom: 5rem;
  position: relative;
}

.community-container::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ==================== HEADER ==================== */

.community-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}

.community-header .back-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #6366f1;
  text-decoration: none;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  transition: all 0.2s ease;
}

.community-header .back-link:hover {
  background: rgba(99, 102, 241, 0.2);
  transform: translateX(-2px);
}

.community-header .header-title {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.community-header .header-actions {
  display: flex;
  gap: 0.5rem;
}

.community-header .header-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(99, 102, 241, 0.1);
  border: none;
  border-radius: 12px;
  color: #6366f1;
  cursor: pointer;
  transition: all 0.2s ease;
}

.community-header .header-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  transform: translateY(-2px);
}

/* ==================== FILTER TABS ==================== */

.filter-tabs-container {
  padding: 1rem;
  overflow-x: auto;
  scrollbar-width: none;
  position: relative;
  z-index: 1;
}

.filter-tabs-container::-webkit-scrollbar {
  display: none;
}

.filter-tabs {
  display: flex;
  gap: 0.5rem;
  min-width: max-content;
}

.filter-tab {
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 9999px;
  color: #64748b;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.filter-tab:hover {
  background: rgba(99, 102, 241, 0.05);
  color: #6366f1;
  border-color: rgba(99, 102, 241, 0.3);
}

.filter-tab.active {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.filter-tab .tab-emoji {
  margin-right: 0.25rem;
}

/* ==================== FEED ==================== */

.community-feed {
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.feed-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.feed-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.feed-empty-text {
  color: #64748b;
  font-size: 0.875rem;
}

/* ==================== POST CARD (Feed Style) ==================== */

.post-card {
  background: white;
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(99, 102, 241, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.15);
}

.post-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.post-avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.post-meta {
  flex: 1;
  min-width: 0;
}

.post-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.post-author-name {
  font-weight: 700;
  color: #1e293b;
  font-size: 0.9375rem;
}

.post-author-type {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: 9999px;
  font-size: 0.75rem;
  color: #6366f1;
  font-weight: 600;
}

.post-author-level {
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 500;
}

.post-time {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.125rem;
}

.post-content {
  color: #334155;
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.post-content .highlight {
  color: #6366f1;
  font-weight: 600;
}

/* Post Attachment */
.post-attachment {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.post-attachment-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.post-attachment-label {
  font-size: 0.75rem;
  color: #94a3b8;
}

.post-attachment-type {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-attachment-emoji {
  font-size: 1.25rem;
}

.post-attachment-name {
  font-weight: 700;
  color: #1e293b;
  font-size: 0.875rem;
}

.post-attachment-score {
  font-size: 0.75rem;
  color: #10b981;
  padding: 0.125rem 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 6px;
  font-weight: 600;
}

/* Post Actions - Instagram/TikTok Style */
.post-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(99, 102, 241, 0.08);
}

.post-action-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: rgba(99, 102, 241, 0.05);
  border: none;
  border-radius: 12px;
  color: #64748b;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.post-action-btn:hover {
  background: rgba(99, 102, 241, 0.12);
  color: #6366f1;
  transform: scale(1.02);
}

.post-action-btn.liked {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.post-action-btn.liked:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

.post-action-btn svg {
  width: 18px;
  height: 18px;
}

.post-action-btn .action-count {
  font-weight: 700;
}

/* ==================== COMMENTS ==================== */

.post-comments {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(99, 102, 241, 0.08);
}

.comments-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: #6366f1;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease;
}

.comments-toggle:hover {
  color: #4f46e5;
}

.comments-list {
  display: none;
  margin-top: 0.75rem;
  padding-left: 0.5rem;
}

.comments-list.expanded {
  display: block;
}

.comment-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
  background: linear-gradient(135deg, #e0e7ff, #fce7f3);
}

.comment-content {
  flex: 1;
  background: rgba(99, 102, 241, 0.04);
  padding: 0.75rem 1rem;
  border-radius: 12px;
}

.comment-author {
  font-weight: 700;
  color: #1e293b;
  font-size: 0.8125rem;
}

.comment-text {
  color: #475569;
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  line-height: 1.5;
}

.comment-time {
  font-size: 0.6875rem;
  color: #94a3b8;
  margin-top: 0.375rem;
}

/* Comment Input */
.comment-input-container {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(99, 102, 241, 0.08);
}

.comment-input {
  flex: 1;
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 9999px;
  padding: 0.625rem 1rem;
  color: #1e293b;
  font-size: 0.875rem;
}

.comment-input::placeholder {
  color: #94a3b8;
}

.comment-input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.comment-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.comment-submit-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

/* ==================== WRITE POST ==================== */

.write-post-fab {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  border: none;
  border-radius: 20px;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
  transition: all 0.3s ease;
  z-index: 50;
}

.write-post-fab:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

/* Write Post Modal */
.write-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(99, 102, 241, 0.1);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.write-modal {
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  background: white;
  border-radius: 24px 24px 0 0;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -10px 50px rgba(99, 102, 241, 0.15);
}

.write-modal-overlay.active .write-modal {
  transform: translateY(0);
}

.write-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
}

.write-modal-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1e293b;
}

.write-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(99, 102, 241, 0.1);
  border: none;
  border-radius: 50%;
  color: #6366f1;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.write-modal-close:hover {
  background: rgba(99, 102, 241, 0.2);
  transform: rotate(90deg);
}

.write-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.write-textarea {
  width: 100%;
  min-height: 150px;
  background: transparent;
  border: none;
  color: #1e293b;
  font-size: 1rem;
  line-height: 1.7;
  resize: none;
}

.write-textarea::placeholder {
  color: #94a3b8;
}

.write-textarea:focus {
  outline: none;
}

.write-char-count {
  text-align: right;
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.5rem;
  font-weight: 500;
}

.write-char-count.warning {
  color: #f59e0b;
}

.write-char-count.error {
  color: #ef4444;
}

/* Attachment Selection */
.write-attachment-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.write-attachment-label {
  font-size: 0.875rem;
  color: #64748b;
  margin-bottom: 0.75rem;
  display: block;
  font-weight: 600;
}

.attachment-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.attachment-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: white;
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 12px;
  color: #475569;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.attachment-option:hover {
  border-color: #6366f1;
  color: #6366f1;
}

.attachment-option.selected {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  border-color: #6366f1;
  color: #6366f1;
}

.selected-attachment {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(236, 72, 153, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 16px;
  margin-top: 0.75rem;
}

.selected-attachment-emoji {
  font-size: 1.5rem;
}

.selected-attachment-info {
  flex: 1;
}

.selected-attachment-name {
  font-weight: 700;
  color: #1e293b;
  font-size: 0.875rem;
}

.selected-attachment-remove {
  width: 28px;
  height: 28px;
  background: rgba(239, 68, 68, 0.1);
  border: none;
  border-radius: 50%;
  color: #ef4444;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.selected-attachment-remove:hover {
  background: rgba(239, 68, 68, 0.2);
}

.write-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.write-submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  border: none;
  border-radius: 16px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.write-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

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

/* ==================== NAVIGATION ==================== */

.community-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  padding: 0.75rem 1rem;
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  background: white;
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
}

.community-nav .nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  transition: all 0.2s ease;
}

.community-nav .nav-link:hover {
  color: #6366f1;
  background: rgba(99, 102, 241, 0.05);
}

.community-nav .nav-link.active {
  color: #6366f1;
  background: rgba(99, 102, 241, 0.1);
}

.community-nav .nav-icon {
  font-size: 1.25rem;
}

/* ==================== LOADING ==================== */

.loading-posts {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

.loading-post-skeleton {
  background: white;
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.skeleton-header {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(90deg, #e0e7ff 0%, #f0f4ff 50%, #e0e7ff 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-lines {
  flex: 1;
}

.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, #e0e7ff 0%, #f0f4ff 50%, #e0e7ff 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  margin-bottom: 0.5rem;
}

.skeleton-line:last-child {
  width: 60%;
  margin-bottom: 0;
}

.skeleton-content {
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(90deg, #e0e7ff 0%, #f0f4ff 50%, #e0e7ff 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==================== INFINITE SCROLL ==================== */

.load-more-trigger {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.load-more-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(99, 102, 241, 0.15);
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== RESPONSIVE ==================== */

@media (min-width: 768px) {
  .community-container {
    max-width: 600px;
    margin: 0 auto;
  }

  .write-modal-overlay {
    align-items: center;
    padding: 2rem;
  }

  .write-modal {
    border-radius: 24px;
    max-height: 80vh;
  }

  .write-post-fab {
    right: calc(50% - 300px + 1.5rem);
  }
}

@media (min-width: 1024px) {
  .community-container {
    max-width: 700px;
  }
}