:root{
  --bg:#0a0b14; --bg2:#0f1120; --card:#141628; --card2:#171a30;
  --ink:#eef0ff; --mut:#9aa0c4; --line:rgba(255,255,255,.08);
  --claude:#d97757; --gpt:#10a37f; --gemini:#5b8def;
  --best:#c9a3ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 700px at 50% -10%, #1a1d38 0%, var(--bg) 55%);
  color:var(--ink); font-family:Inter,system-ui,sans-serif; min-height:100vh;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
.bg-orbs{position:fixed;inset:0;z-index:0;pointer-events:none;filter:blur(90px);opacity:.5}
.bg-orbs span{position:absolute;width:420px;height:420px;border-radius:50%}
.bg-orbs span:nth-child(1){background:var(--claude);top:-120px;left:-80px;opacity:.35}
.bg-orbs span:nth-child(2){background:var(--gpt);top:20%;right:-120px;opacity:.28}
.bg-orbs span:nth-child(3){background:var(--gemini);bottom:-160px;left:30%;opacity:.3}
main,.site-head,.site-foot{position:relative;z-index:1}

.site-head{display:flex;align-items:center;justify-content:space-between;padding:22px 30px;max-width:1180px;margin:0 auto}
.brand{font-weight:900;font-size:26px;letter-spacing:-.5px}
.brand span{background:linear-gradient(90deg,var(--claude),var(--gpt),var(--gemini));-webkit-background-clip:text;background-clip:text;color:transparent}
.tagline-mini{color:var(--mut);font-size:13px;font-weight:500}

.hero{max-width:820px;margin:40px auto 0;padding:0 22px;text-align:center}
.hero h1{font-size:clamp(30px,5.4vw,54px);line-height:1.08;font-weight:900;letter-spacing:-1.5px;margin:14px 0 0}
.grad{background:linear-gradient(90deg,var(--claude),var(--gpt) 55%,var(--gemini));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--mut);font-size:clamp(15px,2vw,18px);margin:18px auto 0;max-width:620px;line-height:1.55}

.musketeers{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:26px 0 30px}
.mk{display:flex;align-items:center;gap:8px;padding:9px 15px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);font-weight:700;font-size:14px}
.mk em{color:var(--mut);font-style:normal;font-weight:500;font-size:12px}
.mk .dot{width:9px;height:9px;border-radius:50%}
.mk-claude .dot{background:var(--claude);box-shadow:0 0 12px var(--claude)}
.mk-gpt .dot{background:var(--gpt);box-shadow:0 0 12px var(--gpt)}
.mk-gemini .dot{background:var(--gemini);box-shadow:0 0 12px var(--gemini)}

.ask{display:flex;gap:10px;align-items:flex-end;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.ask textarea{flex:1;background:transparent;border:0;outline:0;color:var(--ink);font:500 17px/1.5 Inter,sans-serif;resize:none;padding:10px 8px;max-height:220px}
.ask textarea::placeholder{color:#6b7099}
#go{position:relative;border:0;cursor:pointer;border-radius:13px;padding:0 22px;height:50px;min-width:150px;font:800 15px Inter,sans-serif;color:#fff;background:linear-gradient(90deg,var(--claude),var(--gpt) 55%,var(--gemini));transition:transform .12s, filter .2s}
#go:hover{filter:brightness(1.08)}
#go:active{transform:scale(.98)}
#go.loading .lbl{opacity:0}
#go.loading .spin{opacity:1}
.spin{position:absolute;inset:0;margin:auto;width:20px;height:20px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;opacity:0;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.hint{color:#5b6089;font-size:12.5px;margin:14px 0 0}
.hint kbd{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font:inherit;font-size:11px}

.results{max-width:1180px;margin:44px auto 0;padding:0 22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.best{border:1px solid rgba(201,163,255,.4);background:linear-gradient(180deg,rgba(201,163,255,.10),var(--card2));box-shadow:0 24px 70px rgba(120,80,200,.22);margin-bottom:22px}
.best-head{display:flex;align-items:center;gap:10px;padding:16px 22px;font-weight:800;font-size:16px;border-bottom:1px solid var(--line)}
.best-head .star{color:var(--best);font-size:20px}
.best-head em{color:var(--mut);font-style:normal;font-weight:500;font-size:13px}
.best-body{padding:20px 22px;font-size:16px;line-height:1.65;white-space:pre-wrap}

.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.col-head{display:flex;align-items:center;gap:8px;padding:14px 18px;font-weight:700;border-bottom:1px solid var(--line)}
.col-head .dot{width:9px;height:9px;border-radius:50%}
.col-head em{color:var(--mut);font-style:normal;font-weight:500;font-size:12px;margin-left:auto}
.col-claude .col-head .dot{background:var(--claude)} .col-claude{border-top:2px solid var(--claude)}
.col-gpt .col-head .dot{background:var(--gpt)} .col-gpt{border-top:2px solid var(--gpt)}
.col-gemini .col-head .dot{background:var(--gemini)} .col-gemini{border-top:2px solid var(--gemini)}
.col-body{padding:16px 18px;font-size:14.5px;line-height:1.6;color:#dfe2ff;white-space:pre-wrap;min-height:60px}
.col-body.err{color:#ff8a9b}
.skeleton{display:flex;flex-direction:column;gap:9px;padding-top:4px}
.skeleton i{height:11px;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.12),rgba(255,255,255,.05));background-size:200% 100%;animation:sh 1.3s infinite}
.skeleton i:nth-child(2){width:88%}.skeleton i:nth-child(3){width:70%}
@keyframes sh{to{background-position:-200% 0}}
.meta{color:#5b6089;font-size:12.5px;text-align:center;margin:20px 0 0}

.site-foot{max-width:1180px;margin:60px auto 30px;padding:22px;text-align:center;color:#5b6089;font-size:13px;border-top:1px solid var(--line)}
.site-foot span{color:var(--mut);font-weight:700}
#foot-tag{font-style:italic}

@media(max-width:820px){.cols{grid-template-columns:1fr}}

/* ---- upload UI ---- */
.ask{flex-direction:column;gap:0;align-items:stretch}
.ask-row{display:flex;gap:10px;align-items:flex-end;width:100%}
.attach{flex:0 0 auto;width:44px;height:50px;border:0;background:transparent;color:var(--mut);cursor:pointer;display:grid;place-items:center;border-radius:12px;transition:.15s}
.attach:hover{color:var(--ink);background:rgba(255,255,255,.06)}
.previews{display:flex;flex-wrap:wrap;gap:10px;padding:4px 4px 12px}
.pv{position:relative;width:74px}
.pv img{width:74px;height:74px;object-fit:cover;border-radius:11px;border:1px solid var(--line);display:block}
.pv .fileicon{width:74px;height:74px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.05);display:grid;place-items:center;font-weight:800;font-size:13px;color:var(--mut)}
.pv-x{position:absolute;top:-7px;right:-7px;width:22px;height:22px;border-radius:50%;border:0;background:#e0455e;color:#fff;font-size:15px;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.4)}
.pv-n{display:block;font-size:10.5px;color:#6b7099;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:74px}

.drop-veil{position:fixed;inset:0;z-index:50;display:none;place-items:center;background:rgba(10,11,20,.82);backdrop-filter:blur(6px)}
.drop-veil.on{display:grid}
.drop-veil>div{border:2.5px dashed rgba(255,255,255,.4);border-radius:22px;padding:60px 90px;font-weight:800;font-size:22px;color:var(--ink)}

/* ---- council hero image ---- */
.council-img{margin:26px auto 30px;max-width:640px}
.council-img img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);box-shadow:0 26px 74px rgba(0,0,0,.5)}
@media(max-width:640px){.council-img{max-width:100%}}

/* ---- left watermark: pale, watery, diagonal (like a reflection on a lake) ---- */
.watermark{
  position:fixed; left:1.5%; top:46%; transform:translateY(-50%) rotate(-19deg);
  font-family:Inter,sans-serif; font-weight:800; font-size:clamp(13px,1.55vw,25px);
  line-height:1.75; letter-spacing:.4px; color:rgba(206,213,240,.075);
  z-index:0; pointer-events:none; user-select:none; text-shadow:none;
}
@media(max-width:1180px){.watermark{display:none}}
.watermark span{ display:block; margin-bottom:.5em;
  -webkit-box-reflect: below 0px linear-gradient(transparent 40%, rgba(206,213,240,.05)); }