:root{
  --paper:#F5F7FA; --paper-2:#FFFFFF; --ink:#0E1621; --ink-2:#3B4756; --steel:#8B95A3; --line:#D6DCE4;
  --blue:#0047FF; --blue-deep:#0032B8; --blue-soft:#E3EAFF; --tag:#1F8A4C; --tag-soft:#E0F3E8; --warn:#C9671A; --warn-soft:#FBEBDD;
  --display:'Space Grotesk',system-ui,sans-serif; --body:'Inter',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){
  color-scheme:dark; --paper:#0B1017; --paper-2:#121924; --ink:#EAF0F7; --ink-2:#B4BFCC; --steel:#7C8794; --line:#243040;
  --blue:#4D85FF; --blue-deep:#8FB3FF; --blue-soft:#13224A; --tag:#4FC98A; --tag-soft:#12301F; --warn:#F0A05A; --warn-soft:#3A2412;
}}
:root[data-theme="dark"]{
  color-scheme:dark; --paper:#0B1017; --paper-2:#121924; --ink:#EAF0F7; --ink-2:#B4BFCC; --steel:#7C8794; --line:#243040;
  --blue:#4D85FF; --blue-deep:#8FB3FF; --blue-soft:#13224A; --tag:#4FC98A; --tag-soft:#12301F; --warn:#F0A05A; --warn-soft:#3A2412;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
.wrap{max-width:900px;margin:0 auto;padding-inline:clamp(16px,4vw,32px)}
h1,h2,h3{font-family:var(--display);line-height:1.08;letter-spacing:-.02em;margin:0;text-wrap:balance}
h1{font-size:clamp(28px,5vw,40px);margin-bottom:10px}
h2{font-size:20px;margin-bottom:6px}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-bottom:10px}
.lede{color:var(--ink-2);font-weight:300;max-width:34em}
.muted{color:var(--steel)}
.hint{font-family:var(--body);text-transform:none;letter-spacing:0;color:var(--steel);font-weight:400}
.fine{font-size:12px;color:var(--steel);line-height:1.6;margin-top:6px}
.fine a{color:var(--steel)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.brand svg{width:26px;height:26px}
.brand b{font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.02em;text-transform:uppercase}
.navr{display:flex;align-items:center;gap:14px}
.navr select{font-family:var(--body);font-size:14px;padding:7px 10px;border-radius:6px;border:1px solid var(--line);background:var(--paper-2);color:var(--ink)}
.link{background:none;border:0;color:var(--blue);font-family:var(--body);font-size:14px;cursor:pointer;padding:4px 0;text-align:left}

main{padding-block:28px 64px}
.screen{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:clamp(18px,4vw,28px);margin-bottom:16px}
.hero-card{border:2px solid var(--ink);box-shadow:0 20px 40px -30px rgba(14,22,33,.5)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:6px;text-decoration:none;font-weight:500;font-size:15px;border:1px solid var(--line);background:var(--paper-2);color:var(--ink);cursor:pointer;font-family:var(--body)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue-deep);border-color:var(--blue-deep)}
.btn:hover{border-color:var(--blue)}
.btn.sm{padding:8px 12px;font-size:13px}
.btn[disabled]{opacity:.6;cursor:wait}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:-6px 0 18px}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:10px 12px;font-family:var(--display);font-weight:700;font-size:15px;color:var(--steel);cursor:pointer;margin-bottom:-1px}
.tab.active{color:var(--ink);border-bottom-color:var(--blue)}
.form{display:grid;gap:14px}
label{display:grid;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
input,select,textarea{font-family:var(--body);font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:12px 14px;width:100%}
input:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
.status{font-size:14px;color:var(--ink-2);min-height:1.3em}
.status.ok{color:var(--tag)} .status.err{color:var(--warn)}

.roles{display:grid;gap:12px;margin-top:22px}
.role{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:14px;row-gap:4px;text-align:left;background:var(--paper-2);border:2px solid var(--line);border-radius:12px;padding:18px 20px;cursor:pointer;font-family:var(--body);color:var(--ink)}
.role:hover{border-color:var(--blue)}
.role .k{grid-row:1/3;font-family:var(--mono);font-size:12px;color:var(--steel);align-self:start;padding-top:4px}
.role b{font-family:var(--display);font-size:18px;font-weight:700}
.role span:not(.k){color:var(--ink-2);font-size:14px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card h2 .pill{margin-left:8px}
.pill{display:inline-flex;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:999px;color:var(--tag);background:var(--tag-soft);vertical-align:middle}
.pill.warn{color:var(--warn);background:var(--warn-soft)}
.pill.blue{color:var(--blue);background:var(--blue-soft)}
.list{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:0}
.list li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.list li:first-child{border-top:0}
.list .who b{display:block;font-weight:500}
.list .who span{font-size:13px;color:var(--steel)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.sharebox{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--paper);margin-top:12px}
.sharebox code{flex:1;min-width:0;font-family:var(--mono);font-size:13px;padding:12px 14px;overflow-wrap:anywhere;display:flex;align-items:center;user-select:all}
.sharebox button{font-family:var(--body);font-size:13px;font-weight:500;border:0;border-left:1px solid var(--line);background:var(--paper-2);color:var(--ink);padding:0 14px;cursor:pointer}
.sharebox button:hover{color:var(--blue)}
.msg{border-top:1px solid var(--line);padding:14px 0}
.msg:first-child{border-top:0}
.msg .h{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--steel)}
.msg .h b{color:var(--ink);font-weight:500}
.msg .body{white-space:pre-wrap;margin:8px 0 10px;color:var(--ink-2);font-size:15px}
.msg .act{display:flex;gap:8px;flex-wrap:wrap}
.empty{color:var(--steel);font-size:14px;padding:10px 0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:8px;font-size:14px;box-shadow:0 10px 30px -10px rgba(0,0,0,.4);z-index:9}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}