.community-hero {
  position: relative;
  padding: calc(var(--space-24) + 60px) 0 var(--space-16);
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  overflow: hidden;
}

.community-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(255, 69, 0, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.community-hero-content {
  position: relative;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.community-hero-title {
  font-family: var(--font-display);
  font-size: var(--font-size-5xl);
  color: var(--color-text-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.community-hero-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

.community-main {
  padding: var(--space-8) 0 var(--space-20);
}

.topic-filter {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.topic-filter::-webkit-scrollbar {
  display: none;
}

.topic-tag {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.topic-tag:hover {
  background: rgba(255, 69, 0, 0.1);
  border-color: rgba(255, 69, 0, 0.3);
  color: var(--color-accent);
}

.topic-tag.active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.posts-feed {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1024px) {
  .posts-feed {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .posts-feed {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .posts-feed {
    grid-template-columns: 1fr;
  }
}

.post-card {
  cursor: pointer;
  animation: fadeInUp 0.5s ease both;
  will-change: transform;
  transform: translateZ(0);
}

.post-card:nth-child(1) { animation-delay: 0.05s; }
.post-card:nth-child(2) { animation-delay: 0.1s; }
.post-card:nth-child(3) { animation-delay: 0.15s; }
.post-card:nth-child(4) { animation-delay: 0.2s; }
.post-card:nth-child(5) { animation-delay: 0.25s; }
.post-card:nth-child(6) { animation-delay: 0.3s; }

.post-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5) 0;
}

.post-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 69, 0, 0.3);
}

.post-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.post-author {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.post-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.post-content {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-images {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.post-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-images img {
  transform: scale(1.05);
}

.post-video {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.post-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  transition: background var(--transition-base);
}

.post-play span {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: 50%;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-base);
}

.post-card:hover .post-play {
  background: rgba(0, 0, 0, 0.15);
}

.post-card:hover .post-play span {
  transform: scale(1.1);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
}

.post-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5) var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.post-action {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.post-action:hover {
  color: var(--color-accent);
  background: rgba(255, 69, 0, 0.08);
}

.post-action.active {
  color: var(--color-accent);
}

.post-action span {
  font-size: var(--font-size-base);
}

.load-more-wrapper {
  text-align: center;
  margin-top: var(--space-12);
}

.fab-post {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  will-change: transform;
}

@media (max-width: 768px) {
  .fab-post {
    bottom: calc(64px + var(--space-4));
    right: var(--space-4);
  }
}

.fab-post-main {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
  position: relative;
  z-index: 2;
}

.fab-post-main:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow-lg);
}

.fab-post-main.active {
  transform: rotate(45deg);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.fab-icon {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-light);
  line-height: 1;
}

.fab-post-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  pointer-events: none;
  transition: all var(--transition-base);
}

.fab-post-options.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.fab-post-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}

.fab-post-option:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent);
  transform: translateX(-4px);
}

.fab-option-icon {
  font-size: var(--font-size-lg);
}

.fab-option-label {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-medium);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  will-change: opacity;
}

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

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  max-width: 640px;
  width: calc(100% - var(--space-8));
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  will-change: opacity, transform;
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.modal-body {
  padding: var(--space-5) var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.publish-textarea {
  min-height: 120px;
  resize: vertical;
}

.publish-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.publish-topic {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.publish-topic:hover {
  background: rgba(255, 69, 0, 0.1);
  border-color: rgba(255, 69, 0, 0.3);
  color: var(--color-accent);
}

.publish-topic.active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.publish-media-upload {
  border: 2px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.publish-media-upload:hover {
  border-color: var(--color-accent);
  background: rgba(255, 69, 0, 0.03);
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.upload-icon {
  font-size: var(--font-size-3xl);
  color: var(--color-text-muted);
}

.upload-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.publish-media-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.publish-media-preview img,
.publish-media-preview video {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.detail-modal {
  max-width: 720px;
}

.detail-modal .modal-body {
  padding: 0;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
}

.detail-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 69, 0, 0.3);
}

.detail-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-author {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.detail-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.detail-media {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  background: var(--color-bg-secondary);
}

.detail-content {
  padding: var(--space-5) var(--space-6);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0 var(--space-6) var(--space-4);
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-action {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: var(--space-2);
}

.detail-action:hover {
  color: var(--color-accent);
}

.detail-action.active {
  color: var(--color-accent);
}

.detail-action span {
  font-size: var(--font-size-lg);
}

.detail-comments {
  padding: var(--space-4) var(--space-6);
}

.detail-comments-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-height: 300px;
  overflow-y: auto;
}

.comment-item {
  display: flex;
  gap: var(--space-3);
}

.comment-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-author {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.comment-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.comment-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.detail-footer {
  padding: var(--space-4) var(--space-6);
}

.comment-input-wrapper {
  display: flex;
  gap: var(--space-3);
  width: 100%;
}

.comment-input {
  flex: 1;
}

.comment-submit {
  flex-shrink: 0;
}

.empty-state {
  text-align: center;
  padding: var(--space-16) 0;
}

.empty-state-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .community-hero {
    padding: calc(var(--space-16) + 60px) 0 var(--space-10);
  }

  .community-hero-title {
    font-size: var(--font-size-4xl);
  }

  .modal {
    width: calc(100% - var(--space-4));
    max-height: 95vh;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .detail-header,
  .detail-content,
  .detail-tags,
  .detail-actions,
  .detail-comments,
  .detail-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .fab-post {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .publish-media-preview {
    grid-template-columns: repeat(2, 1fr);
  }
}