* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
}

#app {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  body {
    background: #0a0a0a;
    color: #e0e0e0;
  }
  .profile {
    background: #1a1a1a;
  }
  .post-item {
    border-color: #333;
  }
  .post-link:hover {
    background: #1a1a1a;
  }
  .browser-input {
    background: #1a1a1a;
    border-color: #333;
    color: #e0e0e0;
  }
}

/* Header */
#header {
  margin-bottom: 24px;
}

.header-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.header-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
}

.header-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f0f0;
  color: #333;
  border: 1px solid #ddd;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
}

.header-btn:hover {
  background: #e0e0e0;
}

.header-btn.at-btn {
  background: #0066cc;
  color: #fff;
  border-color: #0066cc;
}

.header-btn.at-btn:hover {
  background: #0052a3;
}

.header-btn.login-btn {
  color: #666;
}

.header-btn.user-btn {
  background: #0066cc;
  color: #fff;
  border-color: #0066cc;
}

/* Post Form */
.post-form-container {
  padding: 20px 0;
}

.post-form-container h3 {
  font-size: 18px;
  margin-bottom: 16px;
}

.post-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.post-form-title {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 16px;
}

.post-form-body {
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.post-form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.post-form-collection {
  font-size: 12px;
  color: #888;
  font-family: monospace;
}

.post-form-btn {
  padding: 10px 24px;
  background: #0066cc;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}

.post-form-btn:hover {
  background: #0052a3;
}

.post-form-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.post-status {
  margin-top: 12px;
}

.post-success {
  color: #155724;
}

.post-error {
  color: #dc3545;
}

/* Profile */
.profile {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #f5f5f5;
  border-radius: 12px;
  margin-bottom: 24px;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.profile-handle {
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
}

.profile-desc {
  font-size: 14px;
  color: #444;
}

/* Post List */
.post-list {
  list-style: none;
}

.post-item {
  border-bottom: 1px solid #eee;
}

.post-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 8px;
  text-decoration: none;
  color: inherit;
}

.post-link:hover {
  background: #f9f9f9;
}

.post-title {
  font-weight: 500;
}

.post-date {
  font-size: 13px;
  color: #888;
}

/* Post Detail */
.post-detail {
  padding: 20px 0;
}

.post-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.post-header .post-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.post-header .post-date {
  font-size: 14px;
  color: #888;
}

.json-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  background: #f0f0f0;
  color: #666;
  border-radius: 4px;
  text-decoration: none;
  font-family: monospace;
  font-size: 12px;
}

.json-btn:hover {
  background: #e0e0e0;
  color: #333;
}

.post-content {
  font-size: 16px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.post-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid #eee;
}

.back-link {
  color: #0066cc;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

/* Utility */
.no-posts,
.no-data,
.error {
  padding: 40px;
  text-align: center;
  color: #888;
}

.loading {
  padding: 40px;
  text-align: center;
  color: #666;
}

/* Footer */
.site-footer {
  margin-top: 60px;
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: #888;
}

.site-footer p {
  margin: 4px 0;
}

/* Mode Tabs */
.mode-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.tab {
  padding: 8px 16px;
  text-decoration: none;
  color: #666;
  border-radius: 6px;
  font-size: 14px;
}

.tab:hover {
  background: #f0f0f0;
}

.tab.active {
  background: #0066cc;
  color: #fff;
}

/* AT Browser */
.collections,
.records,
.record-detail {
  padding: 16px 0;
}

.collections h3,
.records h3,
.record-detail h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.collection-list,
.record-list {
  list-style: none;
}

.collection-item,
.record-item {
  border-bottom: 1px solid #eee;
}

.collection-link,
.record-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  text-decoration: none;
  color: inherit;
  font-family: monospace;
  font-size: 14px;
}

.collection-link:hover,
.record-link:hover {
  background: #f9f9f9;
}

.collection-favicon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.collection-nsid {
  flex: 1;
}

.collection-service {
  font-size: 12px;
  color: #888;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.record-link {
  display: flex;
  gap: 16px;
}

.record-rkey {
  color: #0066cc;
  min-width: 120px;
}

.record-preview {
  color: #666;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.record-count {
  font-size: 13px;
  color: #888;
  margin-bottom: 12px;
}

/* Record Detail */
.record-header {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.record-uri,
.record-cid {
  font-family: monospace;
  font-size: 12px;
  color: #666;
  margin: 4px 0;
  word-break: break-all;
}

.schema-status {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  margin-top: 8px;
}

.schema-verified {
  background: #d4edda;
  color: #155724;
}

.schema-none {
  background: #f0f0f0;
  color: #666;
}

/* JSON View */
.json-view {
  background: #f5f5f5;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
}

.json-view pre {
  margin: 0;
}

.json-view code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.5;
}

/* Dark mode additions */
@media (prefers-color-scheme: dark) {
  .header-input {
    background: #1a1a1a;
    border-color: #333;
    color: #e0e0e0;
  }
  .header-btn {
    background: #2a2a2a;
    border-color: #333;
    color: #e0e0e0;
  }
  .header-btn:hover {
    background: #333;
  }
  .header-btn.at-btn,
  .header-btn.user-btn {
    background: #0066cc;
    border-color: #0066cc;
    color: #fff;
  }
  .post-form-title,
  .post-form-body {
    background: #1a1a1a;
    border-color: #333;
    color: #e0e0e0;
  }
  .json-btn {
    background: #2a2a2a;
    color: #888;
  }
  .json-btn:hover {
    background: #333;
    color: #e0e0e0;
  }
  .tab:hover {
    background: #333;
  }
  .tab.active {
    background: #0066cc;
  }
  .collection-link:hover,
  .record-link:hover {
    background: #1a1a1a;
  }
  .collection-item,
  .record-item,
  .record-header {
    border-color: #333;
  }
  .json-view {
    background: #1a1a1a;
  }
  .schema-verified {
    background: #1e3a29;
    color: #75b798;
  }
  .schema-none {
    background: #2a2a2a;
    color: #888;
  }
}