/* Docent Request Portal — California Academy of Sciences brand palette */
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* Layout: white masthead with logo, teal intro band, two-column form (steps rail + form) with a tab for tracking requests */
:root{
  --green:#87D036; --teal:#166572; --yellow:#FFB81C; --sky:#00BBDE; --purple:#61559A; --grey:#BABABA;
  --bg:#F5F8F6; --surface:#FFFFFF; --ink:#0B1A1C; --muted:#4A5C5F; --line:#D9E1DF; --field:#FFFFFF;
  --band:#166572; --band-ink:#FFFFFF; --accent:#166572; --accent-ink:#FFFFFF; --focus:#00BBDE; --label:#166572; --off:#61559A;
  --warn-bg:#FFF4D6; --warn-ink:#6B4A00; --ok-bg:#EEF8E2; --ok-ink:#2F5A0B; --err:#B3261E;
  --display:"Red Hat Display","Avenir Next","Segoe UI",system-ui,sans-serif;
  --body:"Red Hat Text","Segoe UI",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0C1617; --surface:#132325; --ink:#EAF2F1; --muted:#A6B7B8; --line:#294245; --field:#0F1D1F;
  --band:#0E4A53; --band-ink:#FFFFFF; --accent:#87D036; --accent-ink:#0B1A1C; --focus:#00BBDE; --label:#87D036; --off:#B3A8E6;
  --warn-bg:#3A2E0C; --warn-ink:#FFD77A; --ok-bg:#1D3110; --ok-ink:#BDEB8A; --err:#FF8A80; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0C1617; --surface:#132325; --ink:#EAF2F1; --muted:#A6B7B8; --line:#294245; --field:#0F1D1F;
  --band:#0E4A53; --band-ink:#FFFFFF; --accent:#87D036; --accent-ink:#0B1A1C; --focus:#00BBDE; --label:#87D036; --off:#B3A8E6;
  --warn-bg:#3A2E0C; --warn-ink:#FFD77A; --ok-bg:#1D3110; --ok-ink:#BDEB8A; --err:#FF8A80; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55}
.wrap{max-width:1120px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.15}
a{color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}

/* masthead */
.mast{background:var(--surface);border-bottom:1px solid var(--line)}
.mast .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px;flex-wrap:wrap}
.mast img{height:52px;width:auto;display:block}
.mast .unit{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* intro band */
.band{background:var(--band);color:var(--band-ink);position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;border:22px solid var(--green);opacity:.25}
.band .wrap{padding-block:40px 34px;position:relative;z-index:1}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--green)}
.band h1{font-size:clamp(30px,5vw,46px);font-weight:800;margin-top:8px}
.band p{max-width:62ch;margin:12px 0 0;opacity:.92}
.facts{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:22px;font-size:15px}
.facts div{display:flex;gap:8px;align-items:center}
.dot{width:10px;height:10px;border-radius:50%;flex:none}

/* deadline calculator */
.band-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
@media (max-width:880px){.band-grid{grid-template-columns:minmax(0,1fr)}}
.calc{background:var(--surface);color:var(--ink);border-radius:12px;padding:20px;display:grid;gap:14px;box-shadow:0 14px 30px -18px rgba(0,0,0,.5)}
.calc h2{font-size:18px;font-weight:700}
.calc-empty{margin:0;font-size:14px;color:var(--muted)}
.calc-out{display:grid;gap:10px}
.calc-dates{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc-date{border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:grid;gap:2px}
.calc-date .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.calc-date .v{font:700 16px/1.25 var(--display);font-variant-numeric:tabular-nums}
.calc-date .s{font-size:12px;color:var(--muted)}
.calc-date.ideal{border-color:var(--green);background:color-mix(in srgb,var(--green) 12%,transparent)}
.calc-date.latest{border-color:var(--yellow);background:color-mix(in srgb,var(--yellow) 14%,transparent)}
.calc-status{margin:0;padding:10px 12px;border-radius:8px;font-size:14px}
.calc-status.ok{background:var(--ok-bg);color:var(--ok-ink)}
.calc-status.warn{background:var(--warn-bg);color:var(--warn-ink)}
.calc-btn{background:var(--accent);color:var(--accent-ink);padding:11px 20px;font-size:15px;justify-self:start}
.calc-btn:hover{filter:brightness(1.1)}

/* tabs */
.tabs{display:flex;gap:4px;margin-top:-1px;border-bottom:1px solid var(--line);background:var(--surface)}
.tabs .wrap{display:flex;gap:4px}
.tab{appearance:none;border:0;background:none;font:600 15px var(--body);color:var(--muted);padding:14px 16px;border-bottom:3px solid transparent;cursor:pointer}
.tab[aria-selected="true"]{color:var(--ink);border-color:var(--green)}
.count{display:inline-block;min-width:22px;padding:0 6px;margin-left:6px;border-radius:11px;background:var(--line);font-size:12px;text-align:center}

main{padding-block:32px 64px}
.grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:820px){.grid{grid-template-columns:minmax(0,1fr);gap:20px}.rail{position:static!important}}

/* step rail */
.rail{position:sticky;top:calc(env(safe-area-inset-top,0px) + 20px);display:grid;gap:4px}
.rail a{display:flex;gap:12px;align-items:center;text-decoration:none;padding:10px 12px;border-radius:8px;color:var(--muted);font-weight:500}
.rail a:hover{background:var(--surface)}
.rail .n{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--grey);font:700 13px var(--display);flex:none}
.rail a.done .n{background:var(--green);border-color:var(--green);color:#0B1A1C}
.rail a.off{opacity:.45}
.notice{margin-top:16px;padding:14px;border-radius:8px;background:var(--warn-bg);color:var(--warn-ink);font-size:14px}

/* form */
form{display:grid;gap:28px}
fieldset{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:28px clamp(18px,3vw,32px);margin:0;display:grid;gap:20px;min-width:0}
legend{padding:0;float:left;width:100%}
.sechead{display:flex;gap:14px;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:14px}
.sechead .n{font:800 14px var(--display);color:var(--label);letter-spacing:.08em}
.sechead h2{font-size:22px;font-weight:700}
.sechead p{margin:4px 0 0;color:var(--muted);font-size:14px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.f{display:grid;gap:6px;min-width:0}
label,.lbl{font-weight:600;font-size:15px}
.req{color:var(--err);margin-left:2px}
.hint{font-size:13px;color:var(--muted);margin-top:-2px}
input[type=text],input[type=email],input[type=number],input[type=date],input[type=time],select,textarea{
  width:100%;font:16px var(--body);color:var(--ink);background:var(--field);border:1.5px solid var(--line);border-radius:8px;padding:11px 12px}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--sky) 30%,transparent)}
.invalid input,.invalid textarea,.invalid select{border-color:var(--err)}
.err{color:var(--err);font-size:13px}
.choices{display:flex;flex-wrap:wrap;gap:10px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.choice span{display:block;padding:10px 16px;border:1.5px solid var(--line);border-radius:999px;font-size:15px;background:var(--field)}
.choice input:checked+span{border-color:var(--teal);background:var(--teal);color:#fff}
.choice input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}
.lead{padding:12px 14px;border-radius:8px;font-size:14px}
.lead.warn{background:var(--warn-bg);color:var(--warn-ink)}
.lead.ok{background:var(--ok-bg);color:var(--ok-ink)}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{appearance:none;border:0;border-radius:999px;padding:13px 26px;font:700 16px var(--display);cursor:pointer}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.status-msg{font-size:14px;color:var(--muted)}

/* confirmation */
.confirm{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:40px clamp(20px,4vw,48px);max-width:680px}
.confirm .badge{width:56px;height:56px;border-radius:50%;background:var(--green);display:grid;place-items:center;margin-bottom:18px}
.confirm h2{font-size:28px}
.ref{font:700 15px ui-monospace,Menlo,monospace;background:var(--bg);padding:3px 8px;border-radius:6px}

/* tracker */
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:18px}
.toolbar h2{font-size:24px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters select{width:auto;padding:8px 10px;font-size:14px}
.list{display:grid;gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:18px;align-items:start}
@media (max-width:640px){.card{grid-template-columns:72px minmax(0,1fr)}.card .side{grid-column:1/-1}}
.date{text-align:center;border-right:1px solid var(--line);padding-right:14px;font-variant-numeric:tabular-nums}
.date .m{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.date .d{font:800 32px/1 var(--display)}
.date .y{font-size:12px;color:var(--muted)}
.card h3{font-size:18px}
.meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:14px;color:var(--muted);margin-top:4px}
.card details{margin-top:10px;font-size:14px}
.card summary{cursor:pointer;color:var(--muted);font-weight:600}
.kv{display:grid;grid-template-columns:minmax(120px,200px) minmax(0,1fr);gap:6px 16px;margin-top:10px}
.kv dt{color:var(--muted)} .kv dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}
.side{display:grid;gap:8px;justify-items:end}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.s-new{background:color-mix(in srgb,var(--sky) 18%,transparent);color:var(--ink)}
.s-new::before{background:var(--sky)}
.s-review{background:color-mix(in srgb,var(--yellow) 25%,transparent);color:var(--ink)}
.s-review::before{background:var(--yellow)}
.s-confirmed{background:color-mix(in srgb,var(--green) 25%,transparent);color:var(--ink)}
.s-confirmed::before{background:var(--green)}
.s-declined{background:color-mix(in srgb,var(--grey) 35%,transparent);color:var(--ink)}
.s-declined::before{background:var(--grey)}
.side select{width:auto;padding:6px 8px;font-size:13px}
.offsite{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--off)}
.empty{background:var(--surface);border:1.5px dashed var(--line);border-radius:12px;padding:40px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--ink);font-family:var(--display);font-size:18px;margin-bottom:6px}
.progress{position:sticky;top:calc(env(safe-area-inset-top,0px) + 12px);z-index:5;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:20px;box-shadow:0 6px 18px -12px rgba(0,0,0,.35)}
.progress .top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.progress .t{font:700 15px var(--display)}
.progress .c{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.progress .c b{color:var(--ink);font-weight:700}
.track{height:10px;border-radius:999px;background:var(--line);overflow:hidden}
.fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--sky),var(--green))}
.progress.done .fill{background:var(--green)}
@media (prefers-reduced-motion:no-preference){.fill{transition:width .35s ease}}
footer{border-top:1px solid var(--line);padding-block:24px;color:var(--muted);font-size:14px}
@media (prefers-reduced-motion:no-preference){.btn,.tab,.choice span{transition:all .15s ease}}