/* rsvp.fm — one-column app, single black look. Titles in a code face, text in a plain sans.
   Color comes from avatars, headers and event covers; the interface stays black and white.
   Orange only marks "you're going", alerts and errors. */
:root{
  --bg:#000000; --surface:#0A0A0A; --line:#1F1F1F; --fg:#EDEDED; --muted:#8A8A8A; --dim:#5C5C5C; --accent:#FF5A36; --ink:#000000;
  --display:'Archivo',system-ui,-apple-system,sans-serif; --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --r:3px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.4 var(--display);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;margin:0;cursor:pointer;text-align:left}
button:disabled{opacity:.5;cursor:default}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.app{max-width:560px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.gut{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;height:56px;display:flex;align-items:center;gap:8px;background:var(--bg);border-bottom:1px solid var(--line)}
.logo{font:800 19px var(--mono);letter-spacing:-.5px}.logo b{color:var(--dim);font-weight:800}
.back{width:44px;height:44px;display:flex;align-items:center;justify-content:center;margin-left:-12px}
.htitle{font:700 14px var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.hright{margin-left:auto;display:flex;gap:8px;align-items:center}
main{flex:1;padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}
.mono{font-family:var(--mono)}.muted{color:var(--muted)}.accent{color:var(--fg)}a.accent{text-decoration:underline;text-underline-offset:3px}
.small{font:12px/1.5 var(--mono);color:var(--muted)}
.label{font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.bar{padding-block:12px;border-bottom:1px solid var(--line)}
h1{margin:0;font:800 26px/1.1 var(--mono);letter-spacing:-1px;text-wrap:balance}
h2{margin:0;font:700 17px/1.2 var(--mono);letter-spacing:-.5px;text-wrap:balance}
.section{padding-block:16px;display:flex;flex-direction:column;gap:10px}
.sep{border-top:1px solid var(--line)}

.post{padding-block:16px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.rp{display:flex;align-items:center;gap:6px;font:12px var(--mono);color:var(--muted)}
.who{display:flex;align-items:center;gap:10px;min-height:44px}
.av{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.name{font:700 14px var(--mono);letter-spacing:-.3px;display:block}.meta{font:11px var(--mono);color:var(--muted);display:block}
.txt{margin:0;font-size:15px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.card{display:block;width:100%;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.cover{position:relative;overflow:hidden}
.cover .c1{position:absolute;border-radius:50%;background:var(--ink)}
.cover .c2{position:absolute;border-radius:50%;border:3px solid var(--ink)}
.cover .t{position:absolute;left:20px;right:20px;bottom:16px}
.cover .t1{font-family:var(--mono);font-weight:800;line-height:.95;letter-spacing:-1px;overflow-wrap:anywhere}
.cover .t2{font:700 12px var(--mono);margin-top:4px}
.cardfoot{padding:12px 14px;display:flex;justify-content:space-between;gap:8px;font:12px var(--mono);color:var(--muted)}
.acts{display:flex;align-items:center;gap:8px}
.pill{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border-radius:var(--r);border:1px solid var(--fg);font:700 12px var(--mono);letter-spacing:-.2px;color:var(--fg);white-space:nowrap}
.pill.on{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.pill.solid{background:var(--fg);color:var(--ink)}
.pill.ghost{border-color:var(--line);color:var(--muted)}
.pill.big{height:48px;padding:0 22px;border-radius:var(--r);font-size:14px;font-weight:800}
.ico{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);gap:4px;font:12px var(--mono)}
.ico.on{color:var(--accent)}
.going{margin-left:auto;font:11px var(--mono);color:var(--muted)}
.picks{display:flex;gap:12px;overflow-x:auto;padding-block:4px 16px}
.pick{flex:0 0 160px;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px}
.row{display:flex;align-items:center;gap:14px;width:100%;padding-block:12px;border-bottom:1px solid var(--line)}
.date{width:56px;height:56px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;flex-shrink:0;font:700 11px var(--mono);line-height:1.2;text-align:center;white-space:pre-line}
.banner{height:112px;position:relative;overflow:hidden}
.ptop{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;margin-top:-36px;gap:12px}
.ring{border:4px solid var(--bg);border-radius:50%;display:inline-flex}
.stats{display:flex;gap:18px;flex-wrap:wrap;font:12px var(--mono);color:var(--muted)}.stats strong{color:var(--fg)}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.g{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;min-width:0}
.g span:last-child{font-size:12px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ref{border:1px dashed var(--muted);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:10px}
.box{border:1px solid var(--line);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:8px}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.facts div{background:var(--bg);padding:12px;display:flex;flex-direction:column;gap:4px;min-width:0}
.facts b{font-size:14px;overflow-wrap:anywhere}.facts span{font:11px var(--mono);color:var(--muted)}
.buy{position:sticky;bottom:calc(64px + env(safe-area-inset-bottom,0px));background:var(--bg);border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;padding-block:12px}
.buy .pill{margin-left:auto}
.faces{display:flex}.faces .ring{border-width:2px;margin-right:-8px}

form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.field legend{font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:1px;padding:0}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
input,textarea,select{width:100%;background:var(--surface);color:var(--fg);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;font:16px/1.4 var(--display)}
textarea{resize:vertical}
fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{display:inline-flex;align-items:center;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r);cursor:pointer;font-weight:700;font-size:13px;text-transform:none;letter-spacing:0;font-family:var(--display);color:var(--fg)}
.seg input{position:absolute;opacity:0;width:1px;height:1px}
.seg input:checked+span{color:var(--fg)}
.seg label:has(input:checked){border-color:var(--fg);background:var(--surface)}
.seg input:focus-visible+span{outline:2px solid var(--accent);outline-offset:4px}
.swatches{display:flex;gap:10px;flex-wrap:wrap}
.swatches label{width:36px;height:36px;border-radius:50%;cursor:pointer;border:2px solid transparent}
.swatches label:has(input:checked){border-color:var(--fg);outline:2px solid var(--bg);outline-offset:-4px}
.swatches input{position:absolute;opacity:0;width:1px;height:1px}
.avgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (min-width:520px){.avgrid{grid-template-columns:repeat(8,minmax(0,1fr))}}
.avopt{position:relative;display:block;border-radius:50%;cursor:pointer;aspect-ratio:1;max-width:100%}
.avopt img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block;border:3px solid transparent}
.avopt input{position:absolute;opacity:0;width:1px;height:1px}
.avopt:has(input:checked) img{border-color:var(--fg)}
.avopt input:focus-visible+img{outline:2px solid var(--accent);outline-offset:2px}
.err{color:var(--accent);font:12px/1.5 var(--mono);margin:0}
.code{font:700 14px var(--mono);letter-spacing:1px}
.hero{padding-block:40px 24px;display:flex;flex-direction:column;gap:14px}
.hero h1{font-size:34px;line-height:1.05}
.hero p{margin:0;font-size:16px;line-height:1.5;color:var(--muted);max-width:42ch}

nav{position:fixed;left:0;right:0;bottom:0;z-index:6;background:var(--bg);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
nav .in{max-width:560px;margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));height:64px}
nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted)}
nav a.on{color:var(--fg)}nav small{font:10px var(--mono)}
.toast{border-radius:var(--r)!important;position:fixed;left:16px;right:16px;bottom:calc(80px + env(safe-area-inset-bottom,0px));max-width:528px;margin:0 auto;z-index:8;background:var(--fg);color:var(--ink);border-radius:var(--r);padding:12px 14px;font:700 12px/1.4 var(--mono);overflow-wrap:anywhere}
.end{padding:32px 16px;text-align:center;font:12px var(--mono);color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
td,th{padding:8px 0;border-bottom:1px solid var(--line);text-align:left;font-weight:400}
th{font:11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:1px}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
@media (prefers-reduced-motion:no-preference){.toast{animation:up .2s ease-out}@keyframes up{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}}