:root {
  --primary: #0070f3;
  --accent: #00c896;
  --dark: #0a0a0a;
  --dark2: #111;
  --dark3: #1a1a1a;
  --text: #e8e8e8;
  --muted: #888;
  --border: #2a2a2a;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 2rem; background: rgba(0,0,0,0.85);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(8px);
}
.topbar .logo { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.topbar .logo span { color: var(--primary); }
.topbar nav { display: flex; gap: 1.2rem; align-items: center; }
.topbar nav a { color: var(--text); }
.topbar nav a.active { color: var(--accent); }

.container { max-width: 880px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.container.wide { max-width: 1100px; }

h1 { font-size: 2rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.4rem; margin: 1.5rem 0 0.75rem; }
.muted { color: var(--muted); font-size: 0.9rem; }

.card {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.card h3 { margin-top: 0; }

.btn {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  background: var(--primary);
  color: white;
  border: 0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: #0058c2; }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--dark3); border: 1px solid var(--border); }
.btn.secondary:hover { background: #222; }
.btn.danger { background: var(--danger); }
.btn.ghost { background: none; color: var(--muted); border: 1px solid var(--border); }
.btn.ghost:hover { color: var(--text); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.35rem; }
.field input, .field textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--dark);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--primary);
}
.field textarea { min-height: 120px; resize: vertical; }

.tabs { display: flex; gap: 1rem; border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.tabs button {
  background: none; border: 0; color: var(--muted); padding: 0.75rem 0;
  font-size: 1rem; cursor: pointer; border-bottom: 2px solid transparent;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }

.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert.error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert.success { background: rgba(0,200,150,0.1); border: 1px solid rgba(0,200,150,0.3); color: #6ee7b7; }
.alert.info { background: rgba(0,112,243,0.1); border: 1px solid rgba(0,112,243,0.3); color: #93c5fd; }

.thread-row {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 1rem;
}
.thread-row:last-child { border-bottom: 0; }
.thread-row .title { font-size: 1.1rem; font-weight: 600; color: var(--text); }
.thread-row .title:hover { color: var(--primary); }
.thread-row .meta { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }
.thread-row .stat { text-align: right; color: var(--muted); font-size: 0.85rem; }
.thread-row .stat .count { font-size: 1.2rem; color: var(--text); display: block; }

.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--dark3); object-fit: cover;
  flex-shrink: 0; border: 1px solid var(--border);
}
.avatar.sm { width: 28px; height: 28px; }
.avatar.lg { width: 64px; height: 64px; }
.author-line { display: flex; align-items: center; gap: 0.65rem; }
.team-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  padding: 0.15rem 0.5rem; border-radius: 6px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; vertical-align: middle; margin-left: 0.4rem;
  letter-spacing: 0.02em;
}
.thread-row { align-items: flex-start; }
.thread-row > div:first-child { display: flex; gap: 0.75rem; }

.post {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.post:last-child { border-bottom: 0; }
.post .head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.5rem; gap: 0.75rem; }
.post .author { font-weight: 600; }
.post.team-post { background: linear-gradient(135deg, rgba(0,112,243,0.04), rgba(0,200,150,0.04)); border-left: 3px solid var(--accent); margin-left: -1.5rem; padding-left: 1.5rem; padding-right: 1.5rem; margin-right: -1.5rem; }
.post .ts { color: var(--muted); font-size: 0.85rem; }
.post .body { white-space: pre-wrap; word-break: break-word; margin: 0.5rem 0; }
.post .actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; align-items: center; }
.post .actions button { font-size: 0.85rem; padding: 0.3rem 0.7rem; }
.like-btn.liked { background: rgba(0,200,150,0.15); color: var(--accent); border-color: var(--accent); }

.empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }

@media (max-width: 600px) {
  .topbar { padding: 0.75rem 1rem; }
  .topbar nav { gap: 0.75rem; font-size: 0.9rem; }
  .container { padding: 1rem; }
  h1 { font-size: 1.5rem; }
}