:root{
  --ground:#F1F0EC; --surface:#FFF; --surface-2:#FAF9F6;
  --ink:#1A1C1E; --muted:#63645F; --rule:#D9D7D0; --rule-soft:#E7E5DE;
  --accent:#23485E; --accent-soft:#E2EAEF;
  --caution:#8F6206; --caution-soft:#F6EDD8;
  --warning:#8E2718; --warning-soft:#F7E4E0;
  --ok:#336044; --ok-soft:#E1EDE5;
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bot:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ground:#141619; --surface:#1B1E23; --surface-2:#21252B;
  --ink:#E8E7E2; --muted:#9B9C97; --rule:#2F343B; --rule-soft:#262A30;
  --accent:#8FBDD3; --accent-soft:#1D2B34;
  --caution:#E3AB35; --caution-soft:#2C2415;
  --warning:#E68370; --warning-soft:#301B18;
  --ok:#79B790; --ok-soft:#18261D;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--ground);color:var(--ink)}
body{font-family:"IBM Plex Serif",Georgia,serif;font-size:16px;line-height:1.55;
  padding-bottom:calc(24px + var(--safe-bot));overscroll-behavior-y:contain}
h1,h2,h3,h4,button,.sans,.eyebrow,th{font-family:"IBM Plex Sans Condensed","Helvetica Neue",Arial,sans-serif}
.mono,.pn,code{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace}
[hidden]{display:none!important}
button{font:inherit;cursor:pointer}

/* ---------- gate ---------- */
.gate{position:fixed;inset:0;display:grid;place-items:center;padding:22px;background:var(--ground);z-index:60;overflow:auto}
.gate-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--rule);border-radius:4px;padding:26px 24px 22px}
.eyebrow{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);font-weight:600;margin:0 0 12px}
.gate h1{font-size:2.1rem;line-height:1.03;margin:0 0 22px;font-weight:700;letter-spacing:-.01em}
.who-row{display:flex;gap:8px;margin:0 0 16px;flex-wrap:wrap}
.who-row button{flex:1 1 0;min-width:110px;padding:11px 8px;background:var(--surface-2);border:1px solid var(--rule);
  border-radius:3px;color:var(--muted);font-weight:600;font-size:.95rem}
.who-row button.on{background:var(--accent);border-color:var(--accent);color:var(--surface)}
:root:not([data-theme="light"]) .who-row button.on{color:#141619}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .who-row button.on{color:#141619}}
.fld{display:block;margin:0 0 14px}
.fld span{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.7rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:5px}
.fld input{width:100%;padding:12px 13px;font-size:1.05rem;font-family:"IBM Plex Mono",monospace;
  background:var(--surface-2);border:1px solid var(--rule);border-radius:3px;color:var(--ink)}
.fld input:focus{outline:2px solid var(--accent);outline-offset:1px}
.btn{display:block;width:100%;padding:12px;margin:0 0 9px;border-radius:3px;border:1px solid var(--rule);
  background:var(--surface-2);color:var(--ink);font-weight:600;font-size:.92rem;letter-spacing:.02em}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary{color:#141619}}
.btn.link{background:none;border:0;color:var(--muted);font-size:.85rem;padding:8px}
.btn.danger{color:var(--warning);border-color:var(--warning)}
.gate-msg{min-height:1.2em;margin:10px 0 0;font-size:.88rem;color:var(--warning)}
.gate-msg.ok{color:var(--ok)}

/* ---------- chrome ---------- */
.top{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--rule);
  padding-top:var(--safe-top)}
.top-in{display:flex;align-items:center;justify-content:space-between;padding:11px 16px 8px;gap:12px}
.top-id b{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:1.05rem;letter-spacing:.02em}
.top-id span{font-family:"IBM Plex Sans Condensed",sans-serif;color:var(--muted);font-size:.8rem;margin-left:8px}
.top-right{display:flex;align-items:center;gap:10px}
.me{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  font-weight:600;background:var(--accent-soft);color:var(--accent);padding:3px 8px;border-radius:2px}
/* 44x44 is the smallest thing a thumb hits reliably. The old 21x27 button was
   findable with a mouse and a coin flip on a phone. */
.icon-btn{background:none;border:0;color:var(--ink);font-size:1.5rem;line-height:1;
  width:44px;height:44px;display:grid;place-content:center;margin-right:-8px}
.prog{display:flex;align-items:center;gap:10px;padding:0 16px 10px}
.prog-bar{flex:1;height:6px;background:var(--rule-soft);border-radius:99px;overflow:hidden}
.prog-bar i{display:block;height:100%;width:0;background:var(--ok);transition:width .3s ease}
.prog-txt{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.78rem;color:var(--muted);
  font-variant-numeric:tabular-nums;white-space:nowrap}
.tabs{position:sticky;top:calc(var(--safe-top) + 66px);z-index:29;display:flex;background:var(--ground);
  border-bottom:1px solid var(--rule)}
.tabs button{flex:1;background:none;border:0;border-bottom:2px solid transparent;padding:11px 6px;
  font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tabs button.on{color:var(--ink);border-bottom-color:var(--accent)}
main{max-width:760px;margin:0 auto;padding:16px}

/* ---------- phases + tasks ---------- */
.phase{margin:0 0 26px}
.phase-h{display:flex;gap:12px;align-items:baseline;border-bottom:2px solid var(--ink);padding-bottom:8px;margin-bottom:6px}
.phase-h .n{font-family:"IBM Plex Mono",monospace;font-size:.76rem;font-weight:600;color:var(--accent)}
.phase-h h2{font-size:1.18rem;margin:0;font-weight:700;flex:1}
.phase-h .c{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.74rem;color:var(--muted);font-variant-numeric:tabular-nums}
.phase-note{font-size:.86rem;color:var(--muted);margin:8px 0 12px}
.task{background:var(--surface);border:1px solid var(--rule-soft);border-radius:3px;margin:0 0 6px;overflow:hidden}
.task-head{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:12px 14px}
.tick{appearance:none;-webkit-appearance:none;width:22px;height:22px;flex:0 0 auto;margin:1px 0 0;
  border:1.5px solid var(--rule);border-radius:2px;background:var(--surface-2);display:grid;place-content:center}
.tick::after{content:"";width:11px;height:6px;border-left:2.5px solid #fff;border-bottom:2.5px solid #fff;
  transform:rotate(-45deg) translate(1px,-1px);opacity:0}
.tick:checked{background:var(--ok);border-color:var(--ok)}
.tick:checked::after{opacity:1}
.tick:disabled{opacity:.45}
.t-title{font-family:"IBM Plex Sans Condensed",sans-serif;font-weight:600;font-size:1rem;line-height:1.3}
.task.done .t-title{text-decoration:line-through;opacity:.55}
.t-meta{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.72rem;color:var(--muted);margin-top:3px}
.t-badges{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.badge{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;
  font-weight:600;padding:2px 6px;border-radius:2px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.badge.req{background:var(--caution-soft);color:var(--caution)}
.badge.toast{position:fixed;left:50%;bottom:calc(22px + var(--safe-bot));transform:translateX(-50%);z-index:80;
  background:var(--ink);color:var(--ground);padding:11px 17px;border-radius:4px;font-size:.88rem;
  font-family:"IBM Plex Sans Condensed",sans-serif;max-width:88vw;text-align:center;box-shadow:0 6px 24px rgba(0,0,0,.3)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- reference imagery, per-step log, lightbox ---------- */
.sub{display:flex;align-items:center;gap:8px;margin:16px 0 8px}
.sub span{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);font-weight:600;white-space:nowrap}
.sub i{flex:1;height:1px;background:var(--rule);display:block}
.strip figure{position:relative}
.src{position:absolute;left:4px;top:4px;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.55rem;
  letter-spacing:.09em;text-transform:uppercase;font-weight:600;padding:2px 5px;border-radius:2px;
  background:rgba(26,28,30,.82);color:#fff;pointer-events:none}
.src.airtex{background:rgba(35,72,94,.9)}
.src.ipc{background:rgba(143,98,6,.92)}
.src.ours{background:rgba(51,96,68,.92)}
.strip figure button{padding:0;border:0;background:none;display:block;cursor:zoom-in}
.log{margin:6px 0 0;padding:0;list-style:none}
.log li{display:grid;grid-template-columns:16px 1fr;gap:9px;padding:6px 0;font-size:.85rem;
  border-bottom:1px solid var(--rule-soft)}
.log li:last-child{border-bottom:0}
.log .g{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.9rem;line-height:1.15;text-align:center}
.log b{font-family:"IBM Plex Sans Condensed",sans-serif;font-weight:600}
.log time{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.72rem;color:var(--muted);
  font-variant-numeric:tabular-nums;margin-top:1px}
.log q{display:block;margin-top:3px;color:var(--muted);font-style:italic}
.stamp{display:inline-flex;align-items:center;gap:6px;margin-top:4px;padding:3px 8px;border-radius:2px;
  background:var(--ok-soft);color:var(--ok);font-family:"IBM Plex Sans Condensed",sans-serif;
  font-size:.72rem;font-weight:600;font-variant-numeric:tabular-nums}
.none{font-size:.85rem;color:var(--muted);font-style:italic;margin:4px 0 0}
.sheet-h{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);font-weight:600;margin:22px 0 8px}
.link-box{display:flex;gap:6px;margin:8px 0}
.link-box input{flex:1;min-width:0;padding:9px 10px;font-family:"IBM Plex Mono",monospace;font-size:.72rem;
  background:var(--surface-2);border:1px solid var(--rule);border-radius:3px;color:var(--ink)}
.link-box button{flex:0 0 auto;width:auto;margin:0;padding:9px 14px}
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(10,11,13,.96);display:flex;
  flex-direction:column;align-items:center;justify-content:center;padding:var(--safe-top) 0 var(--safe-bot)}
.lightbox img{max-width:100%;max-height:calc(100vh - 130px);object-fit:contain;background:#fff}
.lb-close{position:absolute;top:calc(var(--safe-top) + 10px);right:14px;background:none;border:0;
  color:#fff;font-size:2.1rem;line-height:1;width:46px;height:46px}
.lb-bar{display:flex;align-items:center;gap:16px;padding:14px 18px;color:#fff;max-width:100%}
.lb-bar span{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.8rem;text-align:center;flex:1;
  color:rgba(255,255,255,.8)}
.lb-bar button{background:rgba(255,255,255,.12);border:0;color:#fff;font-size:1.6rem;line-height:1;
  width:46px;height:46px;border-radius:50%}

/* ---------- the peeper: the family view ---------- */
#peep{background:#0B0C0E;color:#F2F1EC;min-height:100vh}
.peep-top{position:sticky;top:0;z-index:10;padding:calc(var(--safe-top) + 14px) 16px 12px;
  background:linear-gradient(#0B0C0E 68%,rgba(11,12,14,0));text-align:center}
.peep-top h1{font-family:"IBM Plex Sans Condensed",sans-serif;font-size:1.12rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;margin:0}
.peep-top span{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.68rem;
  letter-spacing:.14em;text-transform:uppercase;color:#75776F;margin-top:5px}
.peep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:0 2px}
@media (min-width:560px){.peep-grid{grid-template-columns:repeat(4,1fr)}}
@media (min-width:860px){.peep-grid{grid-template-columns:repeat(6,1fr);max-width:1100px;margin:0 auto}}
.peep-grid button{position:relative;padding:0;border:0;background:#17181B;aspect-ratio:1;overflow:hidden;
  display:block;cursor:pointer}
.peep-grid img,.peep-grid video{width:100%;height:100%;object-fit:cover;display:block}
.peep-grid .vid{position:absolute;right:5px;bottom:4px;color:#fff;font-size:.7rem;
  text-shadow:0 1px 3px rgba(0,0,0,.8);pointer-events:none}
.peep-note{text-align:center;color:#75776F;font-size:.9rem;padding:34px 24px 60px;margin:0}

.pv{position:fixed;inset:0;z-index:95;background:#000;display:flex;flex-direction:column;
  touch-action:pan-y;overscroll-behavior:contain}
.pv-stage{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;overflow:hidden}
.pv-stage img,.pv-stage video{max-width:100%;max-height:100%;object-fit:contain;display:block}
.pv-close{position:absolute;top:calc(var(--safe-top) + 8px);right:10px;z-index:2;background:rgba(255,255,255,.1);
  border:0;color:#fff;font-size:1.9rem;line-height:1;width:44px;height:44px;border-radius:50%}
.pv-cap{padding:16px 22px calc(24px + var(--safe-bot));background:#000;text-align:center}
.pv-cap b{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.98rem;font-weight:600;
  color:#F2F1EC;line-height:1.3}
.pv-cap span{display:block;font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.78rem;
  letter-spacing:.04em;color:#8A8C84;margin-top:5px;font-variant-numeric:tabular-nums}
.capbtn{display:inline-block;margin-top:2px;padding:2px 6px;border:1px dashed var(--rule);border-radius:2px;
  background:none;color:var(--accent);font-family:"IBM Plex Sans Condensed",sans-serif;font-size:.62rem;
  line-height:1.25;text-align:left;max-width:96px;overflow:hidden}
.delbtn{position:absolute;right:3px;top:3px;width:22px;height:22px;border:0;border-radius:50%;
  background:rgba(26,28,30,.72);color:#fff;font-size:1rem;line-height:1;padding:0;display:grid;place-content:center}

.errbar{position:fixed;left:0;right:0;bottom:0;z-index:120;background:var(--warning);color:#fff;
  padding:12px 16px calc(12px + var(--safe-bot));font-family:"IBM Plex Mono",monospace;font-size:.72rem;
  line-height:1.4;max-height:38vh;overflow:auto}