:root{
  --navy:#081a34; --navy2:#0c2244; --navy3:#16345f;
  --gold:#d4af37; --gold-soft:#f3d98b; --teal:#36c7a0; --teal2:#2bb673;
  --white:#f5f7fa; --muted:#8aa0bf; --line:#1c3a63;
  --long:#2bb673; --short:#e5685b; --wait:#c7a23a;
}
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(120% 90% at 50% 0%,#16345f 0%,#0c2244 55%,#081a34 100%);
  color:var(--white)}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:13px}
.fineprint{color:var(--muted);font-size:12px;margin-top:14px}
button{font:inherit;cursor:pointer}
.btn{border:1px solid var(--line);background:#11294d;color:var(--white);padding:10px 16px;border-radius:10px}
.btn.primary{background:linear-gradient(180deg,var(--gold-soft),var(--gold));color:#1a1304;border:none;font-weight:700}
.btn.ghost{background:transparent}
.btn:hover{filter:brightness(1.08)}

/* ── Landing ── */
.landing{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 0%,#16345f,#081a34);z-index:20}
.landing-card{text-align:center;max-width:440px;padding:40px}
.landing-card h1{margin:14px 0 4px;font-size:30px}
.tagline{color:var(--gold);font-weight:600;margin:0}
.landing-card .sub{color:var(--muted);margin:10px 0 24px}
.landing-actions{display:flex;flex-direction:column;gap:10px}

/* ── App shell ── */
.app{display:grid;grid-template-columns:264px 1fr;height:100vh}
.sidebar{background:#0a1f3c;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;padding:4px 6px 16px}
.brand span{background:linear-gradient(90deg,var(--gold-soft),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;flex-direction:column;gap:4px}
.nav-item{text-align:left;background:transparent;border:none;color:var(--white);padding:9px 12px;border-radius:8px;font-size:14px}
.nav-item:hover{background:#11294d}
.nav-item.active{background:#11294d;box-shadow:inset 3px 0 0 var(--gold)}
.rail-label{color:var(--muted);font-size:11px;letter-spacing:1.5px;margin:18px 8px 8px}
.pair-list{display:flex;flex-direction:column;gap:2px;overflow:auto;flex:1}
.pair-row{display:flex;align-items:center;justify-content:space-between;text-align:left;background:transparent;border:none;color:var(--white);padding:8px 12px;border-radius:8px;font-size:14px}
.pair-row:hover{background:#11294d}
.pair-row.active{background:#11294d;box-shadow:inset 3px 0 0 var(--teal)}
.pair-row .dot{font-size:11px;font-weight:700;padding:2px 7px;border-radius:20px}
.dot.LONG{background:rgba(43,182,115,.18);color:var(--long)}
.dot.SHORT{background:rgba(229,104,91,.18);color:var(--short)}
.dot.WAIT{background:rgba(199,162,58,.18);color:var(--wait)}
.user{display:flex;align-items:center;gap:10px;margin-top:12px;padding:10px;border-top:1px solid var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--navy3));display:flex;align-items:center;justify-content:center;font-weight:700}
.user-name{font-size:14px;font-weight:600} .user-tag{font-size:11px;color:var(--muted)}

/* ── Main ── */
.main{overflow:auto;padding:26px 30px}
.main-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px}
.main-head h2{margin:0 0 4px;font-size:24px}
.verdict{padding:10px 16px;border-radius:12px;font-weight:700;text-align:right;min-width:150px}
.verdict.LONG{background:rgba(43,182,115,.14);color:var(--long);border:1px solid rgba(43,182,115,.4)}
.verdict.SHORT{background:rgba(229,104,91,.14);color:var(--short);border:1px solid rgba(229,104,91,.4)}
.verdict.WAIT{background:rgba(199,162,58,.14);color:var(--wait);border:1px solid rgba(199,162,58,.4)}
.verdict small{display:block;font-weight:400;color:var(--muted);font-size:11px;margin-top:2px}

/* drill chips */
.drill{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chip{background:#11294d;border:1px solid var(--line);color:var(--white);padding:7px 13px;border-radius:20px;font-size:13px}
.chip:hover{border-color:var(--teal);color:var(--teal)}

/* ── Chat bubbles (SMT thinking) — all left-aligned ── */
.chat{display:flex;flex-direction:column;gap:14px;max-width:680px}
.bubble{position:relative;background:#0f2748;border:1px solid var(--line);border-radius:16px;border-top-left-radius:4px;
  padding:12px 16px;display:flex;gap:12px;align-items:flex-start;animation:rise .3s ease both}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.pic{flex:none;width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#08131f}
.bubble .body{flex:1}
.bubble .row1{display:flex;align-items:center;gap:8px;margin-bottom:3px}
.bubble .who{font-weight:700;font-size:14px}
.bubble .pct{margin-left:auto;font-size:12px;color:var(--muted)}
.bubble .say{font-size:14px;line-height:1.45;color:#dce6f4}
.bubble .vote{font-size:11px;font-weight:700;padding:1px 8px;border-radius:20px}
.bubble.judge{background:linear-gradient(180deg,#13315a,#0f2748);border-color:var(--gold)}
.bubble.judge .who{color:var(--gold-soft)}

/* ── Cards / usage ── */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;max-width:760px}
.card{background:#0f2748;border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:0 0 6px;font-size:15px}
.card .big{font-size:26px;font-weight:700;color:var(--gold-soft);margin:6px 0}

/* ── Popup ── */
.popup{position:fixed;inset:0;background:rgba(4,12,26,.66);display:flex;align-items:center;justify-content:center;z-index:30}
.popup-card{background:#0f2748;border:1px solid var(--gold);border-radius:16px;padding:24px;max-width:440px;width:90%;position:relative;animation:rise .25s ease both}
.popup-x{position:absolute;top:12px;right:14px;background:transparent;border:none;color:var(--muted);font-size:16px}
.popup-card h3{margin:0 0 10px}

/* ── On-chain (Mantle) badge ── */
.head-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.onchain{font-size:11px;font-weight:700;padding:5px 11px;border-radius:20px;text-decoration:none;
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.onchain.ok{background:rgba(54,199,160,.15);color:var(--teal);border:1px solid rgba(54,199,160,.45)}
.onchain.pending{background:rgba(138,160,191,.12);color:var(--muted);border:1px solid var(--line)}
.onchain:hover{filter:brightness(1.12)}
.onchain-note{margin-top:8px;font-size:12px;color:var(--teal)}
.onchain-note a{color:var(--gold-soft)}