/* How we count (doc 68): the Casebook, the proof, three ways in, neutrality, security. Amber is money owed back only. */
.mthero{padding:104px 0 56px}

/* the Casebook */
.cb{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,1.1fr) minmax(0,1fr);gap:0;align-items:center;margin-top:34px}
.side{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.side.r{align-items:flex-end;text-align:right}
.chip{font-family:var(--mono);font-size:12.5px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:rgba(8,10,28,.7);max-width:100%}
.core{position:relative;height:220px;display:flex;align-items:center;justify-content:center}
.flow{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.flow path{fill:none;stroke:rgba(201,206,255,.45);stroke-width:1.2;stroke-dasharray:3 6;vector-effect:non-scaling-stroke;animation:fl 1.6s linear infinite}
@keyframes fl{to{stroke-dashoffset:-18}}
.rulebox{position:relative;text-align:center;padding:18px 26px;border-radius:18px;background:var(--blue);box-shadow:0 0 0 8px rgba(27,43,255,.18),0 30px 80px -20px #1B2BFF}
.rulebox b{display:block;font-size:24px;letter-spacing:-.02em}
.rulebox span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#DDE1FF;margin-top:4px}
.verdicts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:16px;overflow:hidden;margin-top:30px}
.verdicts div{background:rgba(6,8,24,.86);padding:18px 18px 20px;font-size:14px;color:#C3C8E6;line-height:1.5}
.verdicts b{display:block;color:#fff;font-size:17px;margin:12px 0 4px}
.verdicts b.am{color:var(--amber)}
.verdicts i{display:block;width:26px;height:18px;position:relative}
.verdicts i::before{content:"";position:absolute;left:12px;bottom:0;width:2px;border-radius:1px;background:#fff}
.verdicts i.h::before{height:18px}
.verdicts i.c::before{height:9px;background:#C9CEFF}
.verdicts i.o::before{width:7px;height:7px;border-radius:50%;left:9px;background:var(--amber)}
.verdicts i.n::before{height:5px;background:rgba(255,255,255,.4)}
.code{margin-top:14px;padding:20px 22px;font-family:var(--mono);font-size:13px;line-height:1.95;color:#DDE0F2;display:grid}
.code u{text-decoration:none;color:var(--soft)}
.code b{color:#fff;font-weight:500}
.code i{font-style:normal;color:var(--amber)}

/* the proof */
.term{margin-top:30px;overflow:hidden}
.th{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--mut)}
.th i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.2);flex:none}
.th .path{margin-left:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.th .tag{margin-left:auto;flex:none;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--soft);border:1px solid rgba(201,206,255,.35);border-radius:999px;padding:2px 10px}
.th .live{flex:none;display:flex;align-items:center;gap:6px;letter-spacing:.12em;text-transform:uppercase;font-size:11px;color:var(--mut)}
.th .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mut)}
.th .live.on{color:#fff}
.th .live.on::before{background:#fff;animation:bl 1.2s infinite}
@keyframes bl{50%{opacity:.2}}
.tabs{display:flex;gap:6px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--line)}
.tab{height:30px;padding:0 12px;border-radius:999px;background:transparent;color:#C3C8E6;border:1px solid var(--line);font-family:var(--mono);font-size:11.5px;cursor:pointer}
.tab.on{background:#fff;color:#000;border-color:#fff}
.feed{height:378px;overflow:hidden;position:relative}
.fr{display:grid;grid-template-columns:96px 130px minmax(0,1fr) 64px;gap:12px;width:100%;padding:0 16px;height:42px;align-items:center;font-family:var(--mono);font-size:12.5px;color:#fff;text-align:left;background:none;border:0;border-bottom:1px solid rgba(255,255,255,.06);cursor:pointer;transition:background .15s}
.fr:hover,.fr:focus-visible{background:rgba(94,107,255,.22)}
.fr:focus-visible{outline-offset:-2px}
.fr.new{animation:nw .9s}
@keyframes nw{from{background:rgba(255,255,255,.28);transform:translateY(-42px)}}
.fr span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fr span:nth-child(3){color:var(--mut)}
.fr span:last-child{text-align:right;color:var(--mut)}
.v.cb{color:var(--soft)}.v.ob{color:var(--amber)}.v.nj{color:var(--mut)}

/* the drawer */
.lock{overflow:hidden}
.scrim{position:fixed;inset:0;background:rgba(2,3,10,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:60;opacity:0;pointer-events:none;transition:opacity .25s}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(480px,100%);background:#0B0D1C;border-left:1px solid var(--line);z-index:61;transform:translateX(100%);transition:transform .45s cubic-bezier(.2,.8,.2,1);padding:28px;overflow:auto}
.drawer.on{transform:none}
.drawer:focus{outline:none}
.dh{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.dh>div{flex:1;min-width:0}
.dm{font-family:var(--mono);color:var(--mut);font-size:11.5px}
.dv{font-size:36px;font-weight:600;letter-spacing:-.03em;margin-top:4px}
.ev{display:grid;grid-template-columns:16px 1fr;gap:14px}
.ev i{width:12px;height:12px;border-radius:50%;background:var(--blue2);margin-top:6px;display:block;box-shadow:0 0 12px var(--blue2)}
.ev i.end{background:#fff;box-shadow:0 0 12px #fff}
.ev i.end.ob{background:var(--amber);box-shadow:0 0 12px var(--amber)}
.ev i.end.cb{background:#C9CEFF;box-shadow:0 0 12px #C9CEFF}
.ev i.end.nj{background:var(--mut);box-shadow:none}
.ev .l{width:2px;background:rgba(255,255,255,.12);margin:4px auto 0;height:calc(100% - 22px)}
.evb{padding-bottom:18px}
.ev h5{margin:0;font-size:16px}
.ev p{font-size:14.5px;color:#D5D8EE;margin:2px 0 3px}
.ev small{color:var(--mut);font-family:var(--mono);font-size:11.5px}
.dls{margin-top:8px}
.dl{display:flex;justify-content:space-between;padding:9px 0;border-top:1px solid rgba(255,255,255,.08);font-family:var(--mono);font-size:12.5px;color:#C3C8E6}
.dl b{color:#fff;font-weight:500}

/* three ways in */
.ways{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.ways>div{padding:24px;display:flex;flex-direction:column;align-items:flex-start}
.ways small{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--soft);margin-top:22px}
.ways b{font-size:22px;letter-spacing:-.02em;margin-top:10px}
.ways p{font-size:15px;color:#C3C8E6;margin-top:10px}

/* neutrality */
.bigs{border-bottom:1px solid rgba(255,255,255,.2)}
.big{font-size:clamp(34px,6.4vw,100px);font-weight:600;letter-spacing:-.045em;line-height:1;padding:.16em 0;border-top:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.28);transition:color .5s}
.big.lit{color:#fff}

/* security */
.sgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.sgrid>div{padding:24px}
.sgrid ul{list-style:none;margin:0;padding:0}
.sgrid li{font-size:14.5px;color:#C3C8E6;padding:11px 0 11px 26px;border-top:1px solid var(--line);position:relative;line-height:1.5}
.sgrid li:first-child{border-top:0;padding-top:2px}
.sgrid li b{color:#fff;font-weight:600}
.ok li::before{content:"✓";position:absolute;left:0;color:#fff;font-size:13px}
.todo li::before{content:"";position:absolute;left:2px;top:19px;width:10px;height:10px;border:1px solid var(--soft);border-radius:50%}
.todo li:first-child::before{top:10px}

@media (max-width:980px){
  .ways,.sgrid{grid-template-columns:1fr}
  .verdicts{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .mthero{padding:60px 0 40px}
  .cb{grid-template-columns:1fr 1fr;gap:12px}
  .core{grid-column:1/-1;order:-1;height:130px}
  .flow{display:none}
  .chip{font-size:11px;padding:8px 10px}
  .code{font-size:12px;padding:16px}
  .term{margin-left:-8px;margin-right:-8px}
  .th .path{display:none}
  .th .tag{margin-left:6px}
  .th .live{margin-left:auto}
  .fr{grid-template-columns:80px 108px minmax(0,1fr);font-size:11px;gap:8px;padding:0 12px}
  .fr span:last-child{display:none}
  .drawer{padding:22px 18px}
  .verdicts div{padding:14px}
}
@media (prefers-reduced-motion:reduce){.flow path,.th .live.on::before{animation:none}.fr.new{animation:none}.big,.drawer,.scrim{transition:none}}