:root{
  --bg:#eef1f8;
  --bg2:#ffffff;
  --card:#ffffff;
  --card2:#f6f8fd;
  --line:#e2e6f0;
  --txt:#1f2733;
  --muted:#6b7385;
  --accent:#5b6ef5;
  --accent2:#7a5cff;
  --green:#0aa06e;
  --yellow:#d08900;
  --red:#e35464;
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 700px at 80% -10%,#dde3fb 0,transparent 55%),radial-gradient(900px 600px at -10% 30%,#ece0fb 0,transparent 50%),var(--bg);
  color:var(--txt);
  min-height:100vh;
  line-height:1.5;
}
a{color:var(--accent);text-decoration:none}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.8);backdrop-filter:blur(6px);
  position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 6px 18px rgba(107,124,255,.4)}
.brand-name{font-weight:700;font-size:18px}
.brand-name span{font-weight:500;font-size:13px;color:var(--muted);margin-left:4px}
.brand-tag{font-size:12px;color:var(--muted)}
.top-actions{display:flex;gap:8px}
main{max-width:920px;margin:0 auto;padding:26px 20px 80px}
.hero{margin:14px 0 26px}
.hero h1{font-size:clamp(22px,4vw,34px);line-height:1.25;margin:0 0 12px}
.hl{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--muted);font-size:15px;max-width:640px;margin:0}
.card{
  background:linear-gradient(180deg,var(--card),var(--card2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin:0 0 22px;box-shadow:0 8px 24px rgba(50,70,120,.08);
}
.hidden{display:none!important}
.step-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.step-num{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-weight:700;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;
}
.step-head h2{margin:0 0 4px;font-size:19px}
.muted{color:var(--muted);font-size:13px;margin:0}
.btn{
  border:none;border-radius:12px;padding:11px 18px;font-size:14px;font-weight:600;
  cursor:pointer;color:var(--txt);background:var(--card2);border:1px solid var(--line);
  transition:transform .06s ease,filter .15s ease;
}
.btn:hover{filter:brightness(1.1)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;color:#fff;box-shadow:0 6px 16px rgba(91,110,245,.25)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sm{padding:7px 12px;font-size:13px}
.add-row{display:flex;gap:10px;margin-bottom:16px}
.search-wrap{position:relative;flex:1}
.search-wrap input{
  width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg2);color:var(--txt);font-size:14px;outline:none;
}
.search-wrap input:focus{border-color:var(--accent)}
.dropdown{
  position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--card2);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;z-index:30;
  box-shadow:0 12px 30px rgba(30,40,80,.15);
}
.dd-item{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:11px 14px;cursor:pointer;border-bottom:1px solid var(--line)}
.dd-item:last-child{border-bottom:none}
.dd-item:hover{background:var(--card)}
.dd-title{font-size:14px}
.dd-sub{font-size:12px;color:var(--muted)}
.liked-list{display:flex;flex-direction:column;gap:10px}
.empty{color:var(--muted);font-size:14px;text-align:center;padding:20px;border:1px dashed var(--line);border-radius:12px}
.liked-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--bg2)}
.liked-index{width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:var(--card2);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
.liked-main{flex:1;min-width:0}
.liked-title{font-weight:600}
.liked-note{margin-top:4px;font-size:13px;color:var(--muted)}
.liked-note input{width:100%;background:transparent;border:none;border-bottom:1px dashed var(--line);color:var(--txt);font-size:13px;padding:4px 0;outline:none}
.liked-note input:focus{border-color:var(--accent)}
.liked-remove{background:transparent;border:none;color:var(--red);cursor:pointer;font-size:16px;padding:4px}
.step-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.backup-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.backup-label{font-size:12.5px;color:var(--muted);margin-right:2px}
.analyze-body{display:flex;flex-direction:column;gap:16px}
.an-block h4{margin:0 0 8px;font-size:14px;color:var(--muted);font-weight:600}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{background:var(--card2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px}
.an-summary{font-size:14px;color:var(--txt);background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px}
.keyval{display:flex;flex-wrap:wrap;gap:12px;font-size:13px}
.kv{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:10px 14px;min-width:150px}
.kv b{display:block;color:var(--muted);font-weight:600;font-size:12px;margin-bottom:4px}
.cand-input-row{display:flex;gap:12px;align-items:stretch}
.cand-input-row textarea{
  flex:1;resize:vertical;border-radius:12px;border:1px solid var(--line);
  background:var(--bg2);color:var(--txt);padding:14px;font-size:14px;outline:none;font-family:inherit;
}
.cand-input-row textarea:focus{border-color:var(--accent)}
.cand-actions{display:flex;flex-direction:column;gap:8px;justify-content:center}
.results{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.result-card{display:flex;gap:16px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--bg2)}
.score{
  width:60px;height:60px;flex:0 0 60px;border-radius:14px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;font-weight:800;font-size:22px;line-height:1;
}
.score small{font-size:10px;font-weight:600;margin-bottom:3px;letter-spacing:.5px;opacity:.9}
.score.hi{background:rgba(56,211,159,.16);color:var(--green);border:1px solid rgba(56,211,159,.4)}
.score.mid{background:rgba(245,192,78,.16);color:var(--yellow);border:1px solid rgba(245,192,78,.4)}
.score.lo{background:rgba(255,107,122,.14);color:var(--red);border:1px solid rgba(255,107,122,.4)}
.score.na{background:var(--card2);color:var(--muted);border:1px solid var(--line)}
.result-main{flex:1;min-width:0}
.result-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.result-title h3{margin:0;font-size:16px}
.fit-label{font-size:12px;padding:3px 9px;border-radius:999px;font-weight:600}
.fit-label.hi{background:rgba(56,211,159,.2);color:var(--green)}
.fit-label.mid{background:rgba(245,192,78,.2);color:var(--yellow)}
.fit-label.lo{background:rgba(255,107,122,.2);color:var(--red)}
.result-reason{margin:8px 0 0;font-size:13.5px;color:var(--txt)}
.result-meta{margin-top:10px}
.result-meta .pills .pill{font-size:12px;padding:4px 10px}
.result-verdict{margin-top:10px;font-size:12.5px;color:var(--muted);border-left:3px solid var(--accent);padding-left:10px}
.responsive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.rec-card{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px}
.rec-card .score{margin-bottom:2px}
.rec-title{font-weight:700;font-size:15px}
.rec-en{font-size:12px;color:var(--muted)}
.loading{display:flex;align-items:center;gap:12px;color:var(--muted);padding:20px;justify-content:center}
.spinner{width:18px;height:18px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);
  background:var(--card2);border:1px solid var(--line);color:var(--txt);
  padding:12px 18px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;z-index:50;box-shadow:0 10px 30px rgba(30,40,80,.18);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:560px){
  main{padding:18px 14px 60px}
  .cand-input-row{flex-direction:column}
  .cand-actions{flex-direction:row}
  .result-card{flex-direction:column}
}