/* Community page styles — URBot Community Hub */
:root {
  --bg: #050812;
  --surface: #0d1220;
  --card-bg: #111827;
  --card-hover: #161f30;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(0,255,136,0.25);
  --accent: #00ff88;
  --accent-glow: rgba(0,255,136,0.12);
  --accent2: #0088ff;
  --text: #f0f0f8;
  --text-dim: #8892a4;
  --text-muted: #5a6070;
  --error: #ff4444;
  --cat-tip: #00ff88;
  --cat-question: #f59e0b;
  --cat-showcase: #8b5cf6;
  --cat-feedback: #0088ff;
  --radius: 10px;
  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Header ---- */
.community-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5,8,18,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.brand-link { color: var(--text); }
.brand-link:hover { color: var(--accent); text-decoration: none; }
.brand-robot { font-size: 1.25rem; }
.brand-sep { color: var(--text-muted); }
.brand-community { color: var(--accent); }

.header-search {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  display: flex;
  gap: 0.5rem;
}

.header-search input {
  flex: 1;
  padding: 0.5rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.header-search input:focus { border-color: var(--accent); }
.header-search input::placeholder { color: var(--text-muted); }

#search-btn {
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1rem;
  transition: border-color var(--transition), color var(--transition);
}
#search-btn:hover { border-color: var(--accent); color: var(--accent); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-browse {
  padding: 0.4rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 0.85rem;
  transition: border-color var(--transition), color var(--transition);
}
.btn-browse:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

.btn-new-post {
  padding: 0.45rem 1rem;
  background: var(--accent);
  color: #050812;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-new-post:hover { opacity: 0.9; transform: translateY(-1px); }

/* ---- Layout ---- */
.community-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  display: grid;
  grid-template-columns: 200px 1fr 240px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .community-layout {
    grid-template-columns: 180px 1fr;
  }
  .sidebar-right { display: none; }
}

@media (max-width: 640px) {
  .community-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-left { display: none; }
}

/* ---- Sidebar ---- */
.sidebar-left, .sidebar-right {
  position: sticky;
  top: 70px;
}

.filter-heading, .sidebar-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.category-chips, .sort-chips {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
  gap: 0.3rem;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

.chip-tip.active     { border-color: var(--cat-tip); color: var(--cat-tip); background: rgba(0,255,136,0.08); }
.chip-question.active{ border-color: var(--cat-question); color: var(--cat-question); background: rgba(245,158,11,0.08); }
.chip-showcase.active{ border-color: var(--cat-showcase); color: var(--cat-showcase); background: rgba(139,92,246,0.08); }
.chip-feedback.active{ border-color: var(--cat-feedback); color: var(--cat-feedback); background: rgba(0,136,255,0.08); }

.sort-chips { flex-direction: row; }

.bot-filter-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 320px;
  overflow-y: auto;
}
.bot-filter-list::-webkit-scrollbar { width: 4px; }
.bot-filter-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.bot-filter-item {
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.8rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bot-filter-item:hover { background: var(--surface); color: var(--text); }
.bot-filter-item.active { background: var(--accent-glow); color: var(--accent); }

/* ---- Main feed ---- */
.feed-header {
  margin-bottom: 1.25rem;
}
.feed-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.feed-subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

.feed-loading {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.post-feed {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

/* ---- Post card ---- */
.post-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
}
.post-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
  background: var(--card-hover);
}
.post-card.pinned {
  border-left: 3px solid var(--accent);
}

.post-card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.vote-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
  padding-top: 0.1rem;
}

.vote-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.vote-btn:hover {
  border-color: var(--cat-tip);
  color: var(--cat-tip);
  background: rgba(0,255,136,0.06);
}
.vote-btn.voted {
  border-color: var(--cat-tip);
  color: var(--cat-tip);
  background: rgba(0,255,136,0.1);
}
.vote-btn.animate {
  animation: vote-pop 0.3s ease;
}
@keyframes vote-pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.4); }
  100% { transform: scale(1); }
}

.vote-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dim);
  text-align: center;
  min-width: 24px;
}

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

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.cat-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.cat-tip      { background: rgba(0,255,136,0.12); color: var(--cat-tip); }
.cat-question { background: rgba(245,158,11,0.12); color: var(--cat-question); }
.cat-showcase { background: rgba(139,92,246,0.12); color: var(--cat-showcase); }
.cat-feedback { background: rgba(0,136,255,0.12); color: var(--cat-feedback); }

.bot-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(0,136,255,0.1);
  color: #60b0ff;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pin-badge {
  font-size: 0.7rem;
  color: var(--accent);
}

.post-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
  line-height: 1.4;
}

.post-preview {
  font-size: 0.83rem;
  color: var(--text-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.post-author { font-size: 0.78rem; color: var(--text-muted); }
.post-time   { font-size: 0.78rem; color: var(--text-muted); }
.post-replies {
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

/* ---- Post detail (inside modal) ---- */
.post-detail-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}
.post-detail-meta {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.post-detail-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 1.5rem;
}
.post-detail-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

/* ---- Replies ---- */
.replies-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.reply-thread {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.reply-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
}
.reply-item.nested {
  margin-left: 1.5rem;
  border-left: 2px solid rgba(0,255,136,0.15);
}
.reply-author { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.35rem; }
.reply-body   { font-size: 0.88rem; color: var(--text); line-height: 1.6; }

/* Reply form */
.reply-form {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.reply-form textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.88rem;
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.reply-form textarea:focus { border-color: var(--accent); }
.reply-form textarea::placeholder { color: var(--text-muted); }
.reply-form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
  gap: 0.5rem;
}

/* ---- Load more ---- */
.btn-load-more {
  padding: 0.6rem 2rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.btn-load-more:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Trending sidebar ---- */
.trending-section {}
.trending-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.trending-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  cursor: pointer;
  transition: border-color var(--transition);
}
.trending-item:hover { border-color: var(--border-hover); }
.trending-item-title {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 0.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.trending-item-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.trending-rank {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 18px;
}

/* ---- Modals ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,8,18,0.85);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2rem 1rem;
  overflow-y: auto;
}

.modal-box {
  background: var(--card-bg);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 14px;
  padding: 2rem;
  width: 100%;
  max-width: 680px;
  position: relative;
  animation: modal-in 0.2s ease;
}
.modal-post-detail { max-width: 760px; }

@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  line-height: 1;
}
.modal-close:hover { border-color: var(--error); color: var(--error); }

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

/* ---- New post form ---- */
.form-row { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.form-input, .form-select {
  width: 100%;
  padding: 0.6rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.form-input:focus, .form-select:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
.form-select option { background: var(--card-bg); }

.form-textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  resize: vertical;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.form-textarea:focus { border-color: var(--accent); }
.form-textarea::placeholder { color: var(--text-muted); }

.form-hint {
  font-size: 0.73rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.2rem;
  text-align: right;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  cursor: pointer;
}
.form-check input { cursor: pointer; }

.form-error {
  padding: 0.6rem 0.875rem;
  background: rgba(255,68,68,0.08);
  border: 1px solid rgba(255,68,68,0.25);
  border-radius: 6px;
  color: var(--error);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn-cancel {
  padding: 0.55rem 1.25rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.btn-cancel:hover { border-color: var(--text-dim); color: var(--text); }

.btn-submit {
  padding: 0.55rem 1.5rem;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #050812;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-reply {
  padding: 0.4rem 0.875rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-reply:hover { border-color: var(--accent); color: var(--accent); }

/* Category chips in form — horizontal row */
.form-row .category-chips {
  flex-direction: row;
  flex-wrap: wrap;
}

/* ---- Bot community section (for download pages) ---- */
.bot-community-section {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: rgba(0,136,255,0.04);
  border: 1px solid rgba(0,136,255,0.15);
  border-radius: 12px;
}
.bot-community-section h3 {
  color: #60b0ff;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.bot-community-section p {
  font-size: 0.82rem;
  color: #94a3b8;
  margin-bottom: 0.75rem;
}
.bot-tips-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
}
.bot-tip-item {
  padding: 0.6rem 0.875rem;
  background: rgba(0,136,255,0.06);
  border-radius: 8px;
  font-size: 0.82rem;
  color: #c0d0e8;
  border-left: 2px solid rgba(0,136,255,0.3);
  line-height: 1.5;
}
.bot-community-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.btn-community-link {
  padding: 0.4rem 0.875rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-community-link.primary {
  background: rgba(0,136,255,0.15);
  border: 1px solid rgba(0,136,255,0.3);
  color: #60b0ff;
}
.btn-community-link.primary:hover { background: rgba(0,136,255,0.25); text-decoration: none; }
.btn-community-link.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.btn-community-link.secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .community-header { padding: 0.6rem 0.875rem; }
  .header-search { display: none; }
  .modal-box { padding: 1.25rem; }
  .post-card { padding: 0.875rem 1rem; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}