:root{--bg:#0f1115;--panel:#171a21;--border:#262b36;--text:#e6e8ee;--muted:#8a93a6;--accent:#5b8cff;--danger:#ff5c7a;--ok:#3ecf8e}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--accent)}
.hidden{display:none!important}
.shell{max-width:1200px;margin:0 auto;padding:20px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.brand{display:flex;gap:12px;align-items:center}
.brand-mark{background:var(--accent);color:#fff;font-weight:800;padding:8px 12px;border-radius:8px;letter-spacing:1px}
.brand-text h1{font-size:20px}
.brand-note{color:var(--muted);font-size:13px}
.session-bar{display:flex;gap:12px;align-items:center}
.login-card{max-width:400px;margin:80px auto;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:32px}
.login-card h2{margin-bottom:8px}
.muted{color:var(--muted);font-size:13px}
label{display:block;margin:12px 0 6px;font-size:14px}
input,textarea,select{width:100%;padding:10px 12px;background:#0c0e13;border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:14px}
textarea{min-height:200px;resize:vertical;font-family:ui-monospace,Menlo,monospace}
button{padding:10px 18px;background:var(--accent);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600}
button:hover{opacity:.9}
button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
button.danger{background:var(--danger)}
.error{color:var(--danger);font-size:13px;margin-top:8px}
.flow-strip{display:flex;gap:16px;align-items:center;margin-bottom:24px;flex-wrap:wrap}
.reading{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;flex:1;min-width:180px}
.reading-label{color:var(--muted);font-size:13px}
.reading-value{font-size:32px;font-weight:700}
.reading-unit{color:var(--muted);margin-left:4px}
.reading-note{color:var(--muted);font-size:12px;margin-top:4px}
.flow-arrow{color:var(--muted);font-size:20px}
.zone{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:500;font-size:12px;text-transform:uppercase}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.empty{color:var(--muted);text-align:center;padding:24px}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:12px;background:#262b36}
.tag.ok{background:rgba(62,207,142,.15);color:var(--ok)}
.tag.bad{background:rgba(255,92,122,.15);color:var(--danger)}
dialog{border:1px solid var(--border);border-radius:12px;background:var(--panel);color:var(--text);max-width:90vw;max-height:90vh;overflow:auto;padding:0}
dialog::backdrop{background:rgba(0,0,0,.6)}
.dialog-body{padding:24px}
.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.dialog-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.icon-button{background:none;border:none;color:var(--muted);font-size:24px;cursor:pointer;padding:0 8px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--border);padding:12px 20px;border-radius:8px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
.source-wrap{display:flex;gap:0;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.source-gutter{background:#0c0e13;padding:10px 8px;color:var(--muted);text-align:right;font-family:ui-monospace,Menlo,monospace;font-size:13px;user-select:none;min-width:40px}
#scriptSource{border:none;border-radius:0;flex:1}
.check-row{display:flex;align-items:center;gap:8px}
.check-row input{width:auto}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:12px 0}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center}
.stat-label{color:var(--muted);font-size:12px;margin-bottom:4px}
.stat-value{font-size:24px;font-weight:700;color:var(--accent)}
.stat-sub{font-size:11px;color:var(--muted);margin-top:2px}
.analytics-grid{display:grid;grid-template-columns:280px 1fr;gap:16px;margin-top:16px}
.pie-wrap{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center}
.pie-wrap h4,.script-detail-wrap h4{margin:0 0 12px;font-size:14px}
#pieLegend{margin-top:12px;text-align:left;font-size:12px}
.pie-legend-item{display:flex;align-items:center;gap:6px;margin:4px 0}
.pie-dot{width:12px;height:12px;border-radius:3px;flex-shrink:0}
.script-detail-wrap{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;overflow-x:auto}
@media(max-width:768px){
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .analytics-grid{grid-template-columns:1fr}
  .shell{padding:12px}
  .topbar{flex-direction:column;align-items:stretch;gap:12px}
  .session-bar{justify-content:flex-end}
  .flow-strip{flex-direction:column;gap:8px}
  .flow-arrow{display:none}
  .reading{text-align:center}
  .zone{padding:14px}
  .dialog-body{padding:16px}
  dialog{max-width:96vw}
  .section-head{flex-wrap:wrap;gap:8px}
  .btn-row{justify-content:center}
}
@media(max-width:480px){
  .stat-cards{grid-template-columns:1fr 1fr}
  .stat-value{font-size:20px}
  .reading-value{font-size:24px}
  table{font-size:12px}
  th,td{padding:8px 6px}
  button{padding:8px 12px;font-size:12px}
  .brand-text h1{font-size:16px}
  .brand-note{font-size:11px}
}