:root{
  --roblox-blue: #0066cc;
  --bg: #f3f6fb;
  --card: #ffffff;
  --muted: #6b7280;
  --accent: #0b5ed7;
  --radius: 10px;
  --text: #0b1220;
  --shadow: 0 6px 18px rgba(12,24,40,0.08);
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
.topbar{
  height:64px;display:flex;align-items:center;gap:16px;padding:0 20px;
  background:linear-gradient(180deg,var(--roblox-blue), #005bb5);color:#fff;
}
.logo{font-weight:700;font-size:18px}
.logo-link{color:inherit}
.search{flex:1;max-width:720px;margin:0 16px;padding:10px 14px;border-radius:999px;border:none;outline:none;font-size:14px;background:#fff;color:var(--text)}
.auth-area{display:flex;gap:8px;align-items:center}

.container{display:flex;gap:20px;max-width:1200px;margin:20px auto;padding:0 16px}
.sidebar{width:280px}
.content{flex:1}

.card{background:var(--card);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow);margin-bottom:14px}
.card-title{font-weight:600;margin-bottom:8px;color:var(--muted);font-size:13px}
.sections-list{list-style:none;padding:0;margin:0}
.sections-list li{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:8px;cursor:pointer}
.sections-list li:hover{background:#f1f5f9}

.thread-list{display:grid;gap:10px}
.thread{background:var(--card);border-radius:10px;padding:12px;display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(11,10,10,0.03)}
.thread .title{font-weight:600}
.thread .meta{color:var(--muted);font-size:13px}
.actions{display:flex;gap:8px;align-items:center}

.btn{border:0;padding:8px 12px;border-radius:8px;background:transparent;color:var(--accent);cursor:pointer;font-weight:600}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{background:transparent;color:var(--muted);font-weight:500}
.small{padding:6px 8px;font-size:13px}

.post{background:var(--card);padding:14px;border-radius:10px;border:1px solid rgba(11,10,10,0.03);margin-bottom:10px}
.post .meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
.post .content{margin-top:8px;white-space:pre-wrap;font-size:15px;line-height:1.45}

.input,textarea,select{width:100%;padding:10px;border-radius:8px;border:1px solid #e6eef8;background:#fbfdff;outline:none;font-size:14px}
textarea{min-height:110px;resize:vertical}

.footer{text-align:center;padding:18px;color:var(--muted);font-size:13px;margin-top:20px}

.centered{display:flex;align-items:center;justify-content:center;height:calc(100vh - 120px)}
.auth-card{width:420px;padding:18px}
.muted{color:var(--muted)}
.user-chip{padding:6px 10px;border-radius:999px;background:#f1f5f9;font-size:13px}