/* ============================================================================
   Options Research Lab — shared research-lab styling
   Used by every /research/<id>/ experiment page via ORLKit.
   Change here, every lab changes. Do not fork per experiment.
   ========================================================================== */
:root{
  --bg:#071726; --panel:#0e2437; --panel2:#122c42; --line:#1d3d57;
  --ink:#eaf2f9; --mut:#8fa9c0; --acc:#5b8def; --accB:#f0a03c;
  --good:#3fbf87; --bad:#e5615e; --fA:#5b8def; --fB:#f0a03c; --pro:#f2b84b;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}

/* ---- site chrome ---- */
.orl-head{background:#0a1e2f;border-bottom:1px solid var(--line)}
.orl-head-inner{max-width:1500px;margin:0 auto;padding:14px 26px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
.orl-brand{font:800 17px Inter,Arial,sans-serif;color:#fff;text-decoration:none;letter-spacing:-.2px}
.orl-brand span{color:var(--pro)}
.orl-head nav{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto}
.orl-head nav a{color:#9db6cc;text-decoration:none;font-size:14px;font-weight:500}
.orl-head nav a:hover{color:#fff}
.orl-head nav a.active{color:#fff;font-weight:700}

header.hero{padding:24px 26px 22px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#0b2032,#071726)}
.hero-in{max-width:1500px;margin:0 auto}
.pill{display:inline-block;font:600 11px Inter,Arial,sans-serif;letter-spacing:.14em;
  text-transform:uppercase;background:#17395a;color:#9dc4ee;padding:4px 10px;
  border-radius:999px;border:1px solid #235b8c}
h1{margin:11px 0 5px;font:700 27px Lora,Georgia,serif;letter-spacing:-.3px}
h2{font:700 16px Inter,Arial,sans-serif;margin:0 0 10px;letter-spacing:-.1px}
.sub{color:var(--mut);font-size:14px;margin:0;max-width:960px}
.readme{display:inline-block;margin-top:12px;color:var(--pro);font-size:13.5px;font-weight:600;
  text-decoration:none;border-bottom:1px solid rgba(242,184,75,.4)}
main{padding:22px 26px 70px;max-width:1500px;margin:0 auto}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:18px}
.grid{display:grid;gap:18px}
@media(min-width:1050px){.two{grid-template-columns:1fr 1fr}}

/* ---- parameter controls ---- */
.ctl{display:grid;grid-template-columns:repeat(auto-fit,minmax(186px,1fr));gap:13px 14px;align-items:end}
.fld{position:relative;display:flex;flex-direction:column;justify-content:flex-end}
label{font-size:11px;color:var(--mut);margin-bottom:5px;line-height:1.35;
  text-transform:uppercase;letter-spacing:.06em;min-height:30px;display:flex;align-items:flex-end}
.fld[data-pro] label{padding-right:38px}
.fld.locked label{color:#70889d}
input,select{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--ink);
  padding:8px 10px;border-radius:8px;font-size:14px;font-family:inherit}
input:focus,select:focus{outline:2px solid var(--acc);outline-offset:-1px}
input:disabled,select:disabled{opacity:.45;cursor:not-allowed}
.lock{display:none;position:absolute;top:1px;right:0;z-index:2;font:700 9.5px Inter,Arial,sans-serif;
  letter-spacing:.1em;color:#0d2033;background:var(--pro);padding:2px 6px;border-radius:4px}
.fld.locked .lock{display:inline-block}

button{background:var(--acc);color:#fff;border:0;padding:11px 20px;border-radius:9px;font-size:15px;
  font-weight:600;cursor:pointer;font-family:inherit}
button:hover{filter:brightness(1.1)} button:disabled{opacity:.5;cursor:not-allowed}
button.sec{background:transparent;border:1px solid var(--line);color:var(--ink);font-weight:500}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:16px}
.k-status{color:var(--mut);font-size:13.5px}
.bar{height:5px;background:var(--panel2);border-radius:3px;overflow:hidden;margin-top:12px}
.bar>div{height:100%;width:0;background:var(--acc);transition:width .12s}

/* ---- Pro gate ---- */
.pro-banner{background:linear-gradient(180deg,#1b2c3d,#152634);border:1px solid #3d5a75;
  border-left:3px solid var(--pro);border-radius:0 10px 10px 0;padding:15px 18px;margin:0 0 17px}
.pro-banner h3{margin:0 0 6px;font:700 14.5px Inter,Arial,sans-serif;color:#fff}
.pro-banner p{margin:0 0 11px;font-size:13.5px;color:#b6cadd;line-height:1.6;max-width:900px}
.pro-banner .row{margin-top:0}
.pro-banner a.btn{display:inline-block;background:var(--pro);color:#0d2033;padding:9px 17px;
  border-radius:8px;text-decoration:none;font-weight:700;font-size:14px}
.pro-banner button{padding:9px 17px;font-size:14px}
.pro-ok{background:#13302a;border:1px solid #2f6b52;border-radius:9px;padding:11px 15px;
  margin:0 0 17px;font-size:13.5px;color:#8fdcb8}

/* ---- results ---- */
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:8px 9px;text-align:right;border-bottom:1px solid var(--line)}
th:first-child,td:first-child{text-align:left}
thead th{color:var(--mut);font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;font-weight:600}
tbody tr:hover{background:#12293d}
td.d{font-weight:600}
.pos{color:var(--good)} .neg{color:var(--bad)}
.sec-h td{color:var(--mut);font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;
  padding-top:16px;font-weight:600;border-top:1px solid var(--line)}
canvas{width:100%;display:block;border-radius:8px}
.lg{display:flex;gap:16px;font-size:12.5px;color:var(--mut);margin-bottom:10px;flex-wrap:wrap}
.lg i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.note{font-size:12.5px;color:var(--mut);margin:9px 0 0}
.verdict{background:var(--panel2);border-left:3px solid var(--accB);padding:14px 16px;
  border-radius:0 9px 9px 0;font-size:14.5px;line-height:1.65}
.verdict b{color:#fff}
details{margin-top:12px}
summary{cursor:pointer;color:var(--mut);font-size:13px}
code{background:#0a1e2f;padding:1px 5px;border-radius:4px;font-size:12.5px}
.hide{display:none}
.disclaim{max-width:1500px;margin:0 auto;padding:0 26px 46px;color:#6f8ba3;font-size:12px;line-height:1.6}
.disclaim a{color:#8fa9c0}

/* ---- archive index ---- */
.arc{display:grid;gap:14px}
.arc a.item{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:17px 19px;text-decoration:none;color:inherit}
.arc a.item:hover{border-color:#2f5f88;background:#11293d}
.arc .id{font:700 11px Inter,Arial,sans-serif;letter-spacing:.12em;color:#9dc4ee;text-transform:uppercase}
.arc h3{margin:6px 0 5px;font:700 18px Lora,Georgia,serif;color:#fff}
.arc p{margin:0;color:var(--mut);font-size:13.5px;line-height:1.55;max-width:820px}
.arc .tags{margin-top:10px;display:flex;gap:7px;flex-wrap:wrap}
.arc .tag{font:600 10.5px Inter,Arial,sans-serif;letter-spacing:.06em;text-transform:uppercase;
  padding:3px 8px;border-radius:5px;background:#17395a;color:#9dc4ee;border:1px solid #235b8c}
.arc .tag.done{background:#13302a;color:#8fdcb8;border-color:#2f6b52}
.arc .tag.wip{background:#3a2f16;color:var(--pro);border-color:#6b5a2f}