:root{
  --bg:#0f1115; --card:#171a21; --border:#262b36; --text:#e8eaed; --muted:#9aa3b2;
  --accent:#5b8def; --accent2:#f2994a; --danger:#eb5757; --good:#27ae60;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6;}
.wrap{max-width:920px;margin:0 auto;padding:0 20px;}
.site-header{padding:36px 0 18px;border-bottom:1px solid var(--border);}
.site-header h1{margin:0 0 6px;font-size:26px;}
.subtitle{color:var(--muted);margin:0;font-size:14px;}
main{padding:28px 0 60px;}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:22px;}
.tabs{display:flex;gap:8px;margin-bottom:16px;}
.tab-btn{background:transparent;border:1px solid var(--border);color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px;}
.tab-btn.active{color:var(--text);border-color:var(--accent);background:rgba(91,141,239,.12);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
textarea{width:100%;min-height:220px;background:#0d0f14;border:1px solid var(--border);border-radius:10px;color:var(--text);padding:14px;font-size:14px;resize:vertical;}
.row{display:flex;align-items:center;}
.space-between{justify-content:space-between;margin-top:10px;}
.btn{background:#232733;color:var(--text);border:1px solid var(--border);padding:9px 16px;border-radius:8px;cursor:pointer;font-size:14px;}
.btn:hover{border-color:var(--accent);}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#08101f;font-weight:600;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.muted{color:var(--muted);}
.small{font-size:12.5px;}
.center{text-align:center;}
.hidden{display:none !important;}
.drop-zone{border:1.5px dashed var(--border);border-radius:12px;padding:34px 16px;text-align:center;cursor:pointer;transition:.15s;}
.drop-zone.dragover{border-color:var(--accent);background:rgba(91,141,239,.08);}
.score-board{display:flex;gap:28px;flex-wrap:wrap;align-items:center;}
.gauge-wrap{width:200px;}
.gauge{position:relative;width:180px;height:180px;border-radius:50%;background:conic-gradient(var(--accent) 0deg,var(--border) 0deg);display:flex;align-items:center;justify-content:center;margin:0 auto;}
.gauge::before{content:"";position:absolute;width:140px;height:140px;border-radius:50%;background:var(--card);}
.gauge-label{position:relative;font-size:30px;font-weight:700;}
.breakdown{flex:1;min-width:260px;display:flex;flex-direction:column;gap:10px;}
.bar-row{display:flex;align-items:center;gap:10px;font-size:13px;}
.bar-row .name{width:150px;color:var(--muted);flex-shrink:0;}
.bar-track{flex:1;height:10px;background:#0d0f14;border-radius:6px;overflow:hidden;border:1px solid var(--border);}
.bar-fill{height:100%;background:var(--accent);}
.bar-val{width:44px;text-align:right;flex-shrink:0;}
.detail-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin:14px 0 22px;}
.detail-card{background:#0d0f14;border:1px solid var(--border);border-radius:10px;padding:14px;}
.detail-card h4{margin:0 0 8px;font-size:14px;}
.detail-card p{margin:0;font-size:13px;color:var(--muted);}
.detail-card .val{font-size:20px;font-weight:700;color:var(--accent);margin-bottom:6px;}
.highlighted-text{background:#0d0f14;border:1px solid var(--border);border-radius:10px;padding:16px;font-size:14px;white-space:pre-wrap;max-height:420px;overflow:auto;}
.hl-burst{background:rgba(242,153,74,.28);border-radius:3px;}
.hl-phrase{background:rgba(91,141,239,.32);border-radius:3px;}
.hl-fmt{text-decoration:underline wavy var(--danger);}
.disclaimer{margin-top:20px;padding:14px;border:1px solid var(--border);border-radius:10px;background:rgba(235,87,87,.06);font-size:13px;color:var(--muted);}
.panel-note{margin:16px 0;padding:14px;border:1px solid var(--border);border-radius:10px;background:rgba(39,174,96,.06);font-size:13px;}
.about-content{font-size:14px;color:var(--muted);}
.about-content h4{color:var(--text);margin:14px 0 6px;}
.about-content ul{padding-left:20px;}
.site-footer{border-top:1px solid var(--border);padding:20px 0;text-align:center;}