:root{
  --bg:#0a0a0f; --panel:#13131b; --panel-2:#191922; --border:#24242f;
  --text:#ececf2; --muted:#8b8b9b; --muted-2:#6a6a78;
  --accent:#ff2d6a; --accent-2:#7c5cff; --blue:#1d9bf0; --green:#19c37d; --gold:#ffb020;
  --radius:16px; --grad:linear-gradient(135deg,#ff2d6a,#7c5cff);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
::-webkit-scrollbar{width:10px}::-webkit-scrollbar-thumb{background:#26263300;border-radius:8px}
:hover::-webkit-scrollbar-thumb{background:#2a2a38}

/* ---------- layout ---------- */
.app{display:grid;grid-template-columns:250px minmax(0,640px) 320px;gap:24px;max-width:1240px;margin:0 auto;padding:0 16px}
.col{min-height:100vh}
@media(max-width:1100px){.app{grid-template-columns:80px minmax(0,1fr)}.rail{display:none}}
@media(max-width:680px){.app{grid-template-columns:1fr}.side{display:none}}

/* ---------- sidebar ---------- */
.side{position:sticky;top:0;height:100vh;padding:20px 8px;display:flex;flex-direction:column;gap:6px}
.brand{display:flex;align-items:center;gap:10px;padding:8px 12px;margin-bottom:14px;font-weight:800;font-size:22px;letter-spacing:-.5px}
.brand .dot{width:26px;height:26px;border-radius:9px;background:var(--grad);box-shadow:0 6px 18px #ff2d6a55}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:12px;color:var(--muted);font-weight:600;transition:.15s}
.nav a .ic{width:22px;height:22px;flex:0 0 22px}
.nav a:hover{background:var(--panel);color:var(--text)}
.nav a.active{color:var(--text);background:var(--panel)}
.nav a.active .ic{stroke:var(--accent)}
.side .me{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:var(--panel)}
.side .me .h{font-size:13px}.side .me .mut{color:var(--muted);font-size:12px}
.btn-post{margin-top:10px;background:var(--grad);color:#fff;border:0;border-radius:999px;padding:13px;font-weight:700;box-shadow:0 8px 22px #7c5cff44}
@media(max-width:1100px){.brand span,.nav a span,.side .me .txt{display:none}.side .me{justify-content:center}}

/* ---------- main ---------- */
.main{border-left:1px solid var(--border);border-right:1px solid var(--border);min-height:100vh}
.topbar{position:sticky;top:0;z-index:5;backdrop-filter:blur(12px);background:#0a0a0fcc;border-bottom:1px solid var(--border);
  padding:16px 20px;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:space-between}
.topbar .sub{font-weight:500;font-size:13px;color:var(--muted)}

/* composer */
.composer{display:flex;gap:14px;padding:18px 20px;border-bottom:1px solid var(--border)}
.composer textarea{flex:1;background:transparent;border:0;color:var(--text);font:inherit;resize:none;height:54px;outline:none}
.composer .row{display:flex;justify-content:flex-end}
.composer .send{background:var(--grad);color:#fff;border:0;border-radius:999px;padding:9px 20px;font-weight:700}

/* post card */
.post{display:flex;gap:14px;padding:18px 20px;border-bottom:1px solid var(--border);transition:.12s}
.post:hover{background:#101017}
.post .body{flex:1;min-width:0}
.post .head{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.post .name{font-weight:700}
.post .handle,.post .time{color:var(--muted);font-size:13px}
.post .text{margin:6px 0 10px;white-space:pre-wrap;word-wrap:break-word}
.post .actions{display:flex;gap:26px;color:var(--muted);font-size:13px}
.post .actions span{display:flex;align-items:center;gap:7px;transition:.12s;cursor:pointer}
.post .actions span:hover{color:var(--accent)}
.exclusive{display:inline-block;font-size:11px;font-weight:700;color:var(--gold);border:1px solid #ffb02055;background:#ffb02012;border-radius:6px;padding:1px 7px;margin-left:6px}

/* avatar + verified */
.av{width:46px;height:46px;border-radius:50%;flex:0 0 46px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px}
.av.sm{width:38px;height:38px;flex-basis:38px;font-size:14px}
.av.lg{width:84px;height:84px;flex-basis:84px;font-size:30px;border:3px solid var(--bg)}
.vf{width:16px;height:16px;color:var(--blue)}

/* ---------- right rail ---------- */
.rail{position:sticky;top:0;height:100vh;padding:18px 4px;display:flex;flex-direction:column;gap:18px;overflow:auto}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.card h3{margin:0 0 12px;font-size:16px}
.search{width:100%;background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:11px 16px;color:var(--text);outline:none}
.search:focus{border-color:var(--accent-2)}
.sug{display:flex;align-items:center;gap:11px;padding:8px 0}
.sug .body{flex:1;min-width:0}
.sug .n{font-weight:700;font-size:14px;display:flex;align-items:center;gap:5px}
.sug .h{color:var(--muted);font-size:12px}
.sug .follow{background:#fff;color:#000;border:0;border-radius:999px;padding:7px 15px;font-weight:700;font-size:13px}
.trend{padding:7px 0}
.trend .t{font-weight:700}.trend .m{color:var(--muted);font-size:12px}

/* ---------- profile ---------- */
.cover{height:160px;background:var(--grad);opacity:.85}
.phead{padding:0 20px 16px;border-bottom:1px solid var(--border)}
.phead .top{display:flex;align-items:flex-end;justify-content:space-between;margin-top:-42px}
.phead .pname{font-size:22px;font-weight:800;display:flex;align-items:center;gap:7px;margin-top:12px}
.phead .ph{color:var(--muted)}
.phead .bio{margin:10px 0}
.phead .stats{display:flex;gap:20px;color:var(--muted);font-size:14px}
.phead .stats b{color:var(--text)}
.edit-btn{border:1px solid var(--border);background:transparent;color:var(--text);border-radius:999px;padding:9px 18px;font-weight:700}

/* ---------- groups ---------- */
.glist{padding:8px 0}
.grow{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--border)}
.gicon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--panel-2);font-size:22px}
.grow .body{flex:1}
.grow .gn{font-weight:700;display:flex;align-items:center;gap:7px}
.grow .gm{color:var(--muted);font-size:13px}
.lock{font-size:11px;font-weight:700;color:var(--muted);border:1px solid var(--border);border-radius:6px;padding:2px 8px}
.join{border:1px solid var(--accent-2);color:#cbb8ff;background:#7c5cff14;border-radius:999px;padding:8px 16px;font-weight:700;font-size:13px}

/* ---------- settings / forms ---------- */
.form{padding:20px;display:flex;flex-direction:column;gap:16px;max-width:480px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--muted);font-weight:600}
.field input,.field textarea{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px 14px;color:var(--text);font:inherit;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--accent-2)}
.save{align-self:flex-start;background:var(--grad);color:#fff;border:0;border-radius:999px;padding:11px 24px;font-weight:700}
.hint{color:var(--muted-2);font-size:12px}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:20px}
.login .box{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:34px}
.login .lg{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:800;letter-spacing:-.5px;margin-bottom:6px}
.login .lg .dot{width:34px;height:34px;border-radius:11px;background:var(--grad);box-shadow:0 8px 22px #ff2d6a66}
.login p{color:var(--muted);margin:0 0 22px}
.login input{width:100%;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:14px;color:var(--text);font:inherit;outline:none;margin-bottom:12px}
.login input:focus{border-color:var(--accent-2)}
.login .go{width:100%;background:var(--grad);color:#fff;border:0;border-radius:12px;padding:14px;font-weight:800;font-size:16px}
.login .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.login .chip{background:var(--panel-2);border:1px solid var(--border);border-radius:999px;padding:7px 13px;font-size:13px;color:var(--muted)}
.login .chip:hover{color:var(--text);border-color:var(--accent-2)}

.empty{padding:60px 20px;text-align:center;color:var(--muted)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--panel-2);border:1px solid var(--border);
  border-radius:12px;padding:12px 18px;font-weight:600;box-shadow:0 12px 30px #000a;z-index:50;opacity:0;transition:.25s}
.toast.on{opacity:1}