/* ── Tokens ─────────────────────────────────────────────── */
:root{
  --moss:   #d8d5bf;  /* page: sun-faded topo paper */
  --quartz: #f2f0e8;  /* cards: the pale quartzite of the rock */
  --ink:    #1c3326;  /* ridge ink: deep forest */
  --ink-2:  #3f5546;
  --lichen: #7a8c5b;  /* muted accent */
  --blaze:  #ffffff;  /* AT white blaze */
  --blue:   #2c5fa8;  /* side-trail blue blaze */
  --gold:   #d9a83a;  /* sunset, used once */
  --rule:   rgba(28,51,38,.18);

  --display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --body:    "Atkinson Hyperlegible", "Helvetica Neue", Arial, sans-serif;
  --mono:    "IBM Plex Mono", Menlo, Consolas, monospace;

  --rail: 72px;
  --max: 960px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--body);
  font-size:1.05rem;
  line-height:1.55;
  color:var(--ink);
  background-color:var(--moss);
  /* contour lines: the map under the plan */
  background-image:
    repeating-radial-gradient(ellipse 140% 90% at 110% -20%, transparent 0 46px, rgba(28,51,38,.07) 46px 47px),
    repeating-radial-gradient(ellipse 120% 80% at -30% 120%, transparent 0 58px, rgba(28,51,38,.06) 58px 59px);
  background-attachment:fixed;
}

a{color:var(--blue)}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:8px}

/* ── Blaze rail ──────────────────────────────────────────── */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail);
  display:flex;flex-direction:column;justify-content:center;gap:22px;
  align-items:center;
  background:linear-gradient(90deg,#4a3b2a 0,#5a4a36 60%,transparent 100%); /* tree bark */
  z-index:5;
}
.blaze{position:relative;display:flex;flex-direction:column;gap:4px;padding:6px;text-decoration:none}
.blaze span{
  display:block;width:14px;height:38px;   /* 2 × 6 proportion, like the real thing */
  background:var(--blaze);
  box-shadow:0 0 0 1px rgba(0,0,0,.25), inset 0 0 6px rgba(0,0,0,.08);
  border-radius:1px;
  transition:transform .15s ease;
}
.blaze.blue span{background:var(--blue)}
.blaze.double span:first-child{transform:translateX(5px)}
.blaze.double span:last-child{transform:translateX(-5px);background:var(--blue)}
.blaze:hover span,.blaze:focus-visible span{transform:scale(1.08)}
.blaze.double:hover span:first-child{transform:translateX(5px) scale(1.08)}
.blaze.double:hover span:last-child{transform:translateX(-5px) scale(1.08)}
.blaze::after{
  content:attr(data-label);
  position:absolute;left:calc(100% + 6px);top:50%;transform:translateY(-50%);
  font-family:var(--display);font-weight:700;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);background:var(--quartz);padding:.15rem .5rem;border-radius:2px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s;
}
.blaze:hover::after,.blaze:focus-visible::after,.blaze.current::after{opacity:1}
.blaze.current span{box-shadow:0 0 0 2px var(--gold)}

/* ── Layout ──────────────────────────────────────────────── */
.hero,.section{
  margin-left:var(--rail);
  padding:3rem clamp(1.25rem,5vw,4rem);
}
.hero>*,.section>*{max-width:var(--max)}
.section{border-top:1px solid var(--rule)}

/* ── Type ────────────────────────────────────────────────── */
h1,h2,h3{font-family:var(--display);line-height:.95;margin:0 0 .6rem;text-transform:uppercase;letter-spacing:.01em}
h1{font-size:clamp(4.5rem,15vw,11rem);font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:.25rem 0 1rem}
h2{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem 1rem}
h2 .num{
  font-size:.42em;font-weight:800;letter-spacing:.12em;
  color:var(--quartz);background:var(--ink);padding:.25em .55em;border-radius:2px;
}
.turn h2 .num{background:var(--blue)}
h3{font-size:1.35rem;font-weight:700;color:var(--ink-2);margin-top:1.5rem}
.eyebrow{font-family:var(--display);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.9rem;color:var(--ink-2);margin:0}
.lede{font-size:1.3rem;max-width:36rem;margin:0 0 2rem}
.intro{max-width:40rem;margin:0 0 1.5rem}
.muted{color:var(--ink-2);opacity:.85}
.mono{font-family:var(--mono);font-size:.95rem}
code{font-family:var(--mono);font-size:.9em;background:var(--quartz);padding:.1em .35em;border-radius:2px}
.plain{list-style:none;padding:0;margin:0}
.plain li{padding:.45rem 0;border-bottom:1px dashed var(--rule)}
.plain li b{font-family:var(--mono);font-weight:500;margin-right:.6rem}

/* ── Hero facts + profile ────────────────────────────────── */
.hero-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--rule);margin:0 0 2.5rem;border:1px solid var(--rule)}
.hero-facts>div{background:var(--quartz);padding:.8rem 1rem}
.hero-facts dt,.facts dt{font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;color:var(--ink-2);font-weight:700}
.hero-facts dd,.facts dd{margin:0;font-family:var(--mono);font-size:1.05rem}
#trip-date{font-family:var(--body);font-weight:700}

.profile{margin:0;background:var(--quartz);border:1px solid var(--rule);padding:1rem}
.profile svg{width:100%;height:auto;display:block}
.profile .line{stroke:var(--ink);stroke-width:3;stroke-linecap:round}
.profile .marks circle{fill:var(--blaze);stroke:var(--ink);stroke-width:2.5}
.profile .marks circle.blue{fill:var(--blue);stroke:var(--blue)}
.profile .marks text{font-family:var(--mono);font-size:12px;fill:var(--ink-2)}
.profile figcaption{font-size:.9rem;color:var(--ink-2);margin-top:.6rem}

/* ── Timeline ────────────────────────────────────────────── */
.timeline{list-style:none;padding:0;margin:0;border-left:3px solid var(--ink)}
.timeline li{display:grid;grid-template-columns:5.5rem 1fr;gap:1rem;padding:.9rem 0 .9rem 1.25rem;position:relative}
.timeline li::before{content:"";position:absolute;left:-9px;top:1.35rem;width:8px;height:16px;background:var(--blaze);box-shadow:0 0 0 1.5px var(--ink)}
.timeline li:nth-child(n+4)::before{background:var(--blue)}   /* after the turn-off, blue */
.timeline time{font-family:var(--mono);font-weight:500;color:var(--ink-2);padding-top:.1rem}
.timeline .optional{opacity:.8}
.timeline .optional::before{background:var(--moss)}

/* ── Trail facts ─────────────────────────────────────────── */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-bottom:2rem}
.facts>div{background:var(--quartz);padding:.8rem 1rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
@media (max-width:700px){.two-col{grid-template-columns:1fr}}
.btn{display:inline-block;font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:1rem;
  background:var(--ink);color:var(--quartz);padding:.55rem 1rem;border-radius:2px;text-decoration:none;border:2px solid var(--ink);cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink)}
.btn:hover{background:var(--ink-2);border-color:var(--ink-2);color:var(--quartz)}

/* ── Weather ─────────────────────────────────────────────── */
.weather{margin-top:2rem;background:var(--quartz);border:1px solid var(--rule);padding:1rem 1.25rem}
.weather h3{margin-top:0}
.wx{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem}
.wx div{border-top:3px solid var(--ink);padding-top:.4rem}
.wx .night{border-top-color:var(--blue)}
.wx b{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;display:block}
.wx .t{font-family:var(--mono);font-size:1.3rem}
.wx small{display:block;color:var(--ink-2);line-height:1.3}

/* ── Camp & rules ────────────────────────────────────────── */
.camp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}
.camp-grid h3{margin-top:0;border-left:6px solid var(--blue);padding-left:.6rem}
.rules{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media (max-width:700px){.rules{grid-template-columns:1fr}}
.rule{padding:1.25rem 1.5rem;background:var(--quartz);border:1px solid var(--rule)}
.rule h3{margin-top:0}
.rule ul{padding-left:1.1rem;margin:0}
.rule li{margin:.4rem 0}
.rule.hard{border-top:6px solid var(--ink)}
.rule.ours{border-top:6px solid var(--gold)}

/* ── Packing ─────────────────────────────────────────────── */
.packs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.pack{background:var(--quartz);border:1px solid var(--rule);padding:1rem 1.25rem}
.pack h3{margin-top:0;display:flex;justify-content:space-between;align-items:baseline}
.pack h3 small{font-family:var(--mono);font-size:.8rem;font-weight:400;color:var(--ink-2)}
.pack ul{list-style:none;padding:0;margin:0}
.pack li{border-bottom:1px dashed var(--rule)}
.pack label{display:flex;gap:.7rem;align-items:flex-start;padding:.45rem 0;cursor:pointer}
.pack input{width:1.25rem;height:1.25rem;accent-color:var(--ink);margin-top:.15rem;flex:none}
.pack input:checked+span{text-decoration:line-through;opacity:.55}
.pack .note{display:block;font-size:.85rem;color:var(--ink-2)}

/* ── Kids / jobs ─────────────────────────────────────────── */
.kid-list li{font-size:1.1rem}
.jobs{list-style:none;padding:0;margin:0}
.jobs li{padding:.6rem .8rem;margin:.5rem 0;background:var(--quartz);border-left:6px solid var(--gold)}
.jobs b{font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;font-size:1.1rem;display:block}
.jobs .who{font-family:var(--mono);font-size:.85rem;color:var(--ink-2)}

/* ── Roster ──────────────────────────────────────────────── */
.roster{border-collapse:collapse;width:100%;background:var(--quartz)}
.roster th,.roster td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--rule);vertical-align:top}
.roster th{font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:.85rem;color:var(--ink-2)}
.roster .kid td:first-child::after{content:" · kid";font-family:var(--mono);font-size:.75rem;color:var(--ink-2)}

.sources p{font-size:.95rem;color:var(--ink-2)}

/* ── Small screens: rail becomes a bottom bar ───────────── */
@media (max-width:820px){
  :root{--rail:0px}
  .rail{top:auto;bottom:0;left:0;right:0;width:auto;height:56px;flex-direction:row;justify-content:space-around;gap:0;
    background:linear-gradient(0deg,#4a3b2a,#5a4a36)}
  .blaze span{width:9px;height:26px}
  .blaze::after{display:none}
  body{padding-bottom:56px}
  h1{font-size:clamp(4rem,22vw,7rem)}
  .timeline li{grid-template-columns:4rem 1fr}
}

/* ── Print: the lists on paper ──────────────────────────── */
@media print{
  body{background:#fff;color:#000;font-size:11pt}
  .rail,.btn,.weather,.skip,.profile{display:none}
  .hero,.section{margin-left:0;padding:1rem 0;border:0}
  h1{font-size:3rem}
  .pack,.rule,.facts>div,.hero-facts>div{background:#fff;border:1px solid #999}
  .pack input{accent-color:#000}
  #pack{page-break-before:always}
}

/* ── Reply form ──────────────────────────────────────────── */
.reply{background:var(--quartz);border:1px solid var(--rule);padding:1.5rem;max-width:var(--max)}
.reply .field{margin:0 0 1.25rem}
.reply label{display:block;font-weight:700}
.reply .field label{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;font-size:1rem;color:var(--ink-2);margin-bottom:.3rem}
.reply input[type=text],.reply textarea{
  width:100%;font:inherit;padding:.6rem .7rem;border:1.5px solid var(--ink-2);border-radius:2px;background:#fff;color:var(--ink)}
.reply input[type=text]:focus,.reply textarea:focus{outline:3px solid var(--gold);outline-offset:1px;border-color:var(--ink)}
.reply small{display:block;font-size:.85rem;color:var(--ink-2);margin-top:.3rem}
.reply fieldset{border:0;padding:0;margin:0 0 1.5rem}
.reply legend{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;font-size:1.15rem;font-weight:700;color:var(--ink);padding:0;margin-bottom:.3rem}
.reply fieldset .muted{margin:0 0 .6rem;font-size:.95rem}

.date-row{display:grid;grid-template-columns:8rem repeat(3,auto);gap:.5rem 1rem;align-items:center;padding:.5rem 0;border-bottom:1px dashed var(--rule)}
.date-row .d{font-family:var(--mono);font-weight:500}
.date-row label,.options label{display:flex;align-items:flex-start;gap:.45rem;font-weight:400;cursor:pointer}
.date-row input,.options input{width:1.2rem;height:1.2rem;accent-color:var(--blue);margin-top:.15rem;flex:none}
.date-row input:checked+span{font-weight:700}
.date-row input[value="Best"]:checked+span{color:var(--blue)}
.date-row input[value="Can't"]:checked+span{color:#8a2f1f}

.options{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.4rem .8rem}
.options label{padding:.45rem .5rem;border:1px solid transparent;border-radius:2px}
.options label:has(input:checked){background:var(--moss);border-color:var(--ink-2)}
.options small{margin-top:0}

.send{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin:.5rem 0}
.send .btn{font-size:.95rem}
.preview summary{cursor:pointer;color:var(--ink-2);font-size:.9rem}
.preview pre{font-family:var(--mono);font-size:.85rem;white-space:pre-wrap;background:#fff;padding:.8rem;border:1px solid var(--rule);margin:.5rem 0 0}

@media (max-width:600px){
  .date-row{grid-template-columns:1fr 1fr 1fr;}
  .date-row .d{grid-column:1 / -1}
}
@media print{ #reply{display:none} }

[hidden]{display:none !important}

/* ── Trip helper panel ───────────────────────────────────── */
.sr{position:absolute;left:-9999px}
.helper-open{
  position:fixed;right:1rem;bottom:1rem;z-index:6;
  display:flex;align-items:center;gap:.6rem;
  font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:1rem;
  background:var(--ink);color:var(--quartz);border:2px solid var(--ink);border-radius:2px;
  padding:.6rem 1rem .6rem .7rem;cursor:pointer;box-shadow:0 6px 20px rgba(28,51,38,.3)}
.helper-open:hover{background:var(--ink-2);border-color:var(--ink-2)}
.helper-blaze{display:block;width:9px;height:24px;background:var(--blaze);box-shadow:0 0 0 1px rgba(0,0,0,.25)}
.helper-panel{
  position:fixed;right:1rem;bottom:1rem;z-index:7;
  width:min(420px,calc(100vw - 2rem));height:min(620px,calc(100vh - 2rem));
  display:flex;flex-direction:column;
  background:var(--quartz);border:1px solid var(--rule);border-top:6px solid var(--ink);
  box-shadow:0 12px 40px rgba(28,51,38,.35)}
.helper-panel header{display:flex;justify-content:space-between;align-items:flex-start;padding:.8rem 1rem .6rem;border-bottom:1px solid var(--rule)}
.helper-panel header strong{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;font-size:1.2rem;display:block}
.helper-panel header small{color:var(--ink-2);font-size:.8rem}
.helper-close{background:none;border:0;font-size:1.6rem;line-height:1;cursor:pointer;color:var(--ink-2);padding:0 .2rem}
.helper-log{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem}
.helper-intro{margin:0;color:var(--ink-2);font-size:.95rem}
.helper-starters{display:flex;flex-wrap:wrap;gap:.4rem}
.helper-starters button{font:inherit;font-size:.9rem;background:var(--moss);border:1px solid var(--rule);border-radius:2px;padding:.35rem .6rem;cursor:pointer;color:var(--ink);text-align:left}
.helper-starters button:hover{border-color:var(--ink-2)}
.helper-msg{max-width:88%;padding:.55rem .8rem;border-radius:3px;white-space:pre-wrap;font-size:.98rem;line-height:1.45}
.helper-msg.user{align-self:flex-end;background:var(--ink);color:var(--quartz)}
.helper-msg.assistant{align-self:flex-start;background:#fff;border:1px solid var(--rule);border-left:4px solid var(--blue)}
.helper-msg.error{border-left-color:#8a2f1f;color:#8a2f1f}
.helper-msg.thinking::after{content:"…";animation:helper-dots 1.2s steps(4,end) infinite}
@keyframes helper-dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}
@media (prefers-reduced-motion:reduce){.helper-msg.thinking::after{animation:none;content:"…"}}
.helper-form{display:flex;gap:.5rem;padding:.6rem 1rem;border-top:1px solid var(--rule);align-items:flex-end}
.helper-form textarea{flex:1;font:inherit;font-size:1rem;padding:.5rem .6rem;border:1.5px solid var(--ink-2);border-radius:2px;resize:none;background:#fff;color:var(--ink);max-height:120px}
.helper-form textarea:focus{outline:3px solid var(--gold);outline-offset:1px}
.helper-form .btn{padding:.55rem .9rem}
.helper-foot{margin:0;padding:.5rem 1rem .8rem;font-size:.75rem;line-height:1.35;color:var(--ink-2)}
@media (max-width:820px){
  .helper-open{bottom:calc(56px + .75rem)}
  .helper-panel{right:0;bottom:0;width:100vw;height:calc(100vh - 56px);border-left:0;border-right:0}
}
@media print{.helper{display:none}}