:root{
  --ink:#1b1b18;
  --ink-soft:#252521;
  --paper:#f4f1eb;
  --paper-soft:#ebe7df;
  --card:#faf8f4;
  --white:#fff;
  --muted:#77746d;
  --line:rgba(27,27,24,.11);
  --line-light:rgba(255,255,255,.13);
  --red:#c92332;
  --red-dark:#9f1825;
  --red-soft:rgba(201,35,50,.10);
  --green:#25735a;
  --shadow:0 20px 60px rgba(30,27,21,.10);
  --radius-sm:14px;
  --radius-md:22px;
  --radius-lg:30px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  background:var(--paper);
  color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
button,input,select{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--red);
  outline-offset:3px;
}
svg{width:1em;height:1em;stroke-width:1.7}
.site-nav{
  height:68px;
  padding:0 clamp(20px,5vw,64px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:var(--ink);
  border-bottom:1px solid var(--line-light);
}
.brand{
  color:#fff;
  font-size:24px;
  font-weight:300;
  letter-spacing:.16em;
  line-height:1;
  text-decoration:none;
}
.brand span{color:var(--red)}
.back-link{
  display:flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.72);
  font-size:12px;
  font-weight:700;
  text-decoration:none;
  transition:.2s;
}
.back-link:hover{color:#fff}
.page-hero{
  padding:72px 24px 76px;
  color:#fff;
  background:
    radial-gradient(circle at 80% 15%,rgba(201,35,50,.18),transparent 32%),
    linear-gradient(145deg,#20201d,#11110f);
}
.hero-inner{width:min(1120px,100%);margin:auto}
.eyebrow{
  margin-bottom:15px;
  color:#e45b65;
  font-size:11px;
  font-weight:800;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.page-hero h1{
  max-width:820px;
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:clamp(40px,7vw,76px);
  font-weight:400;
  letter-spacing:-.045em;
  line-height:1.02;
}
.page-hero h1 em{color:#e45b65;font-style:normal}
.page-hero .lead{
  max-width:650px;
  margin-top:22px;
  color:rgba(255,255,255,.62);
  font-size:15px;
}
main{width:min(1120px,calc(100% - 40px));margin:-34px auto 80px;position:relative}
.panel{
  padding:clamp(24px,4vw,42px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--card);
  box-shadow:var(--shadow);
}
.panel+.panel{margin-top:20px}
.panel-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.panel-head h2{font-size:clamp(24px,4vw,34px);letter-spacing:-.035em}
.panel-head p{max-width:520px;color:var(--muted);font-size:13px}
.status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 11px;
  border-radius:999px;
  background:rgba(37,115,90,.09);
  color:var(--green);
  font-size:11px;
  font-weight:800;
  white-space:nowrap;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.status.offline{background:var(--red-soft);color:var(--red)}
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
label{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
input,select{
  width:100%;
  height:54px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--ink);
  background:#fff;
  appearance:none;
}
select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2377746d' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 15px center;
  padding-right:44px;
}
input:focus,select:focus{border-color:rgba(201,35,50,.5)}
.primary-btn,.secondary-btn,.icon-btn{
  border:0;
  cursor:pointer;
  transition:.2s;
}
.primary-btn{
  min-height:52px;
  padding:0 22px;
  border-radius:14px;
  background:var(--red);
  color:#fff;
  font-weight:800;
}
.primary-btn:hover{background:var(--red-dark);transform:translateY(-1px)}
.secondary-btn{
  min-height:46px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:13px;
  color:var(--ink);
  background:#fff;
  font-weight:750;
}
.secondary-btn:hover{border-color:var(--ink)}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)
}
.icon-btn:hover{border-color:var(--red);color:var(--red)}
.result-box{
  margin-top:22px;
  padding:28px;
  border-radius:var(--radius-md);
  color:#fff;
  background:var(--ink);
}
.result-label{color:rgba(255,255,255,.5);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.result-value{margin-top:6px;font-size:clamp(32px,7vw,58px);font-weight:300;letter-spacing:-.045em}
.result-value strong{color:#ef626d;font-weight:500}
.result-rate{margin-top:8px;color:rgba(255,255,255,.57);font-size:12px}
.meta-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;color:var(--muted);font-size:11px
}
.note{
  margin-top:18px;padding:15px 17px;border-left:3px solid var(--red);
  border-radius:0 12px 12px 0;background:var(--paper-soft);color:#69655e;font-size:12px
}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.mini-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff}
.mini-card .icon{
  width:42px;height:42px;display:grid;place-items:center;margin-bottom:18px;
  border-radius:13px;background:var(--red-soft);color:var(--red);font-size:20px
}
.mini-card h3{font-size:15px}
.mini-card p{margin-top:6px;color:var(--muted);font-size:12px}
.breakdown{display:grid;gap:0;margin-top:22px;border-top:1px solid var(--line)}
.breakdown-row{
  display:flex;justify-content:space-between;gap:20px;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:13px
}
.breakdown-row span:first-child{color:var(--muted)}
.breakdown-row strong{white-space:nowrap}
.breakdown-row.total{font-size:17px}
.breakdown-row.total span:first-child{color:var(--ink);font-weight:800}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.pill{
  padding:9px 14px;border:1px solid var(--line);border-radius:999px;
  background:#fff;color:var(--muted);font-size:12px;font-weight:750;cursor:pointer
}
.pill.active{border-color:var(--ink);background:var(--ink);color:#fff}
.toolbar{display:grid;grid-template-columns:1fr 220px;gap:12px;margin-bottom:22px}
.search-wrap{position:relative}
.search-wrap svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search-wrap input{padding-left:44px}
.phrase-list{display:grid;gap:12px}
.phrase-card{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) auto;
  align-items:center;gap:18px;padding:20px;border:1px solid var(--line);
  border-radius:var(--radius-md);background:#fff
}
.chinese{font-family:"Noto Serif SC",serif;font-size:25px}
.pinyin{margin-top:4px;color:var(--red);font-size:12px;font-weight:750}
.translation{font-size:14px;font-weight:700}
.say-it{margin-top:4px;color:var(--muted);font-size:11px}
.phrase-actions{display:flex;gap:7px}
.empty{display:none;padding:38px;text-align:center;color:var(--muted)}
footer{
  padding:30px 24px;border-top:1px solid var(--line);
  color:var(--muted);font-size:11px;text-align:center
}
.loading{opacity:.55;pointer-events:none}
@media(max-width:760px){
  .site-nav{height:62px;padding:0 20px}
  .page-hero{padding:58px 20px 66px}
  main{width:min(100% - 24px,1120px);margin-top:-24px}
  .panel{padding:22px;border-radius:22px}
  .panel-head{display:block}
  .panel-head .status{margin-top:13px}
  .field-grid,.cards,.toolbar{grid-template-columns:1fr}
  .phrase-card{grid-template-columns:1fr auto;gap:14px}
  .phrase-card .meaning{grid-column:1/-1;grid-row:2}
  .phrase-actions{grid-column:2;grid-row:1}
}
@media(max-width:420px){
  .page-hero h1{font-size:39px}
  .result-box{padding:22px}
  .phrase-card{padding:17px}
  .chinese{font-size:22px}
}

.mode-switch{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
  margin-bottom:22px;
  padding:6px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--paper-soft);
}
.mode-btn{
  min-height:46px;
  padding:0 14px;
  border:0;
  border-radius:12px;
  color:var(--muted);
  background:transparent;
  font-weight:800;
  cursor:pointer;
}
.mode-btn.active{
  color:#fff;
  background:var(--ink);
  box-shadow:0 8px 22px rgba(27,27,24,.14);
}
.context-card{
  margin-top:18px;
  padding:20px;
  border:1px solid rgba(201,35,50,.16);
  border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--red-soft),rgba(255,255,255,.7));
}
.context-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom:10px;
}
.context-head h3{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
}
.context-head h3 svg{color:var(--red)}
.context-card p{color:#5f5b55;font-size:13px}
.context-card strong{color:var(--ink)}
.context-refresh{
  border:0;
  color:var(--red);
  background:transparent;
  font-size:11px;
  font-weight:800;
  cursor:pointer;
}
.save-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-top:20px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:#fff;
}
.save-bar h3{font-size:14px}
.save-bar p{margin-top:3px;color:var(--muted);font-size:11px}
.save-confirm{
  display:none;
  margin-top:10px;
  color:var(--green);
  font-size:11px;
  font-weight:800;
}
.save-confirm.show{display:block}
@media(max-width:600px){
  .mode-switch{grid-template-columns:1fr}
  .save-bar{align-items:stretch;flex-direction:column}
  .save-bar .primary-btn{width:100%}
}