:root{
  --bg: #f7f6fb;
  --surface: #ffffff;
  --surface-soft: #eeebfa;
  --border: #e1ddf0;
  --text: #201c33;
  --text-muted: #6f6a85;
  --accent: #5b45e0;
  --accent-dim: #5b45e014;
  --accent-2: #1fb6a8;
  --good: #1fb6a8;
  --mid: #e2a53d;
  --bad: #e0526a;
  --radius: 14px;
  --radius-sm: 9px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
a{color:inherit;}

header{
  padding: 18px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand{ display:flex; align-items:center; gap:9px; text-decoration:none; }
.brand-mark{
  font-family:'Sora', sans-serif;
  font-weight:700;
  font-size:20px;
  color: var(--text);
  letter-spacing:-0.01em;
}
.brand-mark span{ color: var(--accent); }
nav.tools{ display:flex; gap:6px; flex-wrap:wrap; }
nav.tools a{
  font-size:13.5px;
  font-weight:600;
  color: var(--text-muted);
  text-decoration:none;
  padding:8px 14px;
  border-radius:8px;
}
nav.tools a:hover{ background: var(--surface-soft); color: var(--text); }
nav.tools a.current{ color: #fff; background: var(--accent); }

main{
  flex:1;
  display:flex;
  flex-direction:column;
  padding: 30px 28px 48px;
  max-width:1100px;
  width:100%;
  margin:0 auto;
}

.intro{ margin-bottom:22px; text-align:center; }
h1{
  font-family:'Sora', sans-serif;
  font-size: clamp(24px, 4vw, 33px);
  margin:0 0 8px;
  font-weight:700;
  letter-spacing:-0.01em;
}
.intro p{ margin:0 auto; color:var(--text-muted); font-size:15px; max-width:560px; line-height:1.55; }

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  color: var(--accent);
  background: var(--accent-dim);
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:14px;
}

.calc-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 2px 16px rgba(32,28,51,0.04);
}

.field-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
  margin-bottom: 18px;
}
@media (max-width: 720px){ .field-row{ grid-template-columns: 1fr; } }

.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:13px; font-weight:600; color:var(--text-muted); }
.field textarea{
  font-family:'Inter', sans-serif;
  font-size:14.5px;
  line-height:1.5;
  padding:12px 14px;
  border-radius: var(--radius-sm);
  border:1.5px solid var(--border);
  background: var(--bg);
  color: var(--text);
  outline:none;
  resize:vertical;
  min-height:160px;
  transition: border-color .15s ease;
}
.field textarea:focus{ border-color: var(--accent); }

button.calc-btn{
  font-family:'Sora', sans-serif;
  font-weight:600;
  font-size:15px;
  color:#fff;
  background: var(--accent);
  border:none;
  padding:13px 24px;
  border-radius: 999px;
  cursor:pointer;
  transition: background .15s ease, transform .1s ease;
}
button.calc-btn:hover{ background:#4d38cc; }
button.calc-btn:active{ transform: translateY(1px); }
button.calc-btn:disabled{ background:#b8b0e0; cursor:not-allowed; }

.status-line{
  margin-top:14px;
  font-size:13px;
  color: var(--text-muted);
  font-family: 'IBM Plex Mono', monospace;
  min-height:18px;
}
.progress-bar{
  margin-top:8px;
  height:6px;
  background: var(--surface-soft);
  border-radius:999px;
  overflow:hidden;
  display:none;
}
.progress-bar.show{ display:block; }
.progress-bar-fill{
  height:100%;
  background: var(--accent);
  width:0%;
  transition: width .2s ease;
}

.result-panel{
  margin-top: 22px;
}
.overall-card{
  padding: 22px;
  background: var(--surface-soft);
  border-radius: var(--radius);
  text-align:center;
  margin-bottom:18px;
}
.overall-card .label{ font-size:13px; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.04em; margin-bottom:6px; }
.overall-card .value{ font-family:'Sora', sans-serif; font-weight:700; font-size: clamp(30px, 5vw, 42px); color: var(--accent); line-height:1.1; }
.overall-card .interp{ margin-top:8px; font-size:14px; color: var(--text-muted); }

.match-list{ display:flex; flex-direction:column; gap:10px; }
.match-item{
  border:1px solid var(--border);
  border-radius: var(--radius-sm);
  padding:14px 16px;
  background: var(--surface);
}
.match-item .score-row{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:8px;
}
.score-pill{
  font-family:'IBM Plex Mono', monospace;
  font-size:12.5px;
  font-weight:600;
  padding:3px 10px;
  border-radius:999px;
  color:#fff;
}
.score-pill.high{ background: var(--bad); }
.score-pill.mid{ background: var(--mid); }
.score-pill.low{ background: var(--good); }
.match-item .sent-a{ font-size:14px; margin-bottom:6px; }
.match-item .sent-b{ font-size:14px; color: var(--text-muted); }
.match-item .sent-label{ font-size:11px; text-transform:uppercase; letter-spacing:0.04em; color:var(--text-muted); margin-right:6px; }

.content-block{
  margin-top:40px;
  border-top:1px solid var(--border);
  padding-top:28px;
}
.content-block h2{ font-family:'Sora', sans-serif; font-size:19px; margin:0 0 10px; }
.content-block p{ color:var(--text-muted); font-size:14.5px; line-height:1.65; margin:0 0 14px; }
.faq-item{ margin-bottom:16px; }
.faq-item h3{ font-size:14.5px; margin:0 0 4px; color:var(--text); }
.faq-item p{ margin:0; }

.scale-key{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin: 14px 0 6px;
  font-size:13px;
  color: var(--text-muted);
}
.scale-key span{ display:flex; align-items:center; gap:6px; }
.scale-key .dot{ width:10px; height:10px; border-radius:50%; display:inline-block; }

footer{
  text-align:center;
  padding:20px;
  font-size:13px;
  color: var(--text-muted);
  border-top:1px solid var(--border);
  background: var(--surface);
}
footer a{ color: var(--accent); text-decoration:underline; }

@media (max-width: 600px){
  main{ padding: 22px 16px 40px; }
  .calc-card{ padding:18px; }
}