/* Common Ground — visual system drawn from the event deck. */
:root {
  --paper:#f1f1f1;
  --ink:#050505;
  --deep:#050505;
  --line:#d4d4d4;
  --line-hard:#111111;
  --acid:#ffc814;
  --hot:#b42318;
  --muted:#555555;
  --mono:'IBM Plex Mono',monospace;
  --display:'Google Sans',sans-serif;
}
html { scroll-behavior:smooth; scroll-padding-top:28px; }
body { background:var(--paper); color:var(--ink); letter-spacing:-.01em; }
h1,h2,h3 { font-family:var(--display); font-weight:400; }
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible { outline:3px solid var(--ink); outline-offset:3px; }
.topbar { height:72px; padding-inline:clamp(20px,5vw,76px); border-color:var(--ink); }
.brand { font-size:18px; letter-spacing:.015em; font-weight:600; }
.brand-mark { width:16px; height:16px; border-radius:50%; background:var(--acid)!important; box-shadow:0 0 0 1px var(--ink); }
.top-caption,.top-link,.eyebrow,.helper,footer,.wire-note { letter-spacing:.045em; }
.top-caption { font-size:10px; color:#303030; }
.top-link { border:1px solid var(--ink); border-radius:999px; padding:9px 15px; background:var(--acid); color:var(--ink); }
.top-link:hover { background:var(--ink); color:var(--acid); }
main { padding-inline:clamp(20px,5vw,76px); }
footer { padding-inline:clamp(20px,5vw,76px); color:#555; border-color:var(--ink); }
.eyebrow { color:#333; font-size:10px; }
.helper { color:#555; }
.wire-note { border-left-color:var(--acid); }

/* Bright cover treatment, with intersecting rings as a nod to the event theme. */
.hero { position:relative; isolation:isolate; overflow:hidden; min-height:max(440px,calc(100svh - 82px)); grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr); gap:clamp(28px,6vw,90px); align-items:center; padding:clamp(54px,8vw,112px) clamp(24px,5vw,76px); margin:0 calc(clamp(20px,5vw,76px) * -1); background:var(--acid); color:var(--ink); border:0; }
.hero:before { content:""; position:absolute; inset:0 0 0 40%; z-index:-1; opacity:.44; pointer-events:none;
  background:
    radial-gradient(circle at 64% 48%,transparent 0 104px,rgba(0,0,0,.34) 105px 106px,transparent 107px),
    radial-gradient(circle at 83% 48%,transparent 0 104px,rgba(0,0,0,.34) 105px 106px,transparent 107px),
    linear-gradient(90deg,transparent 49.8%,rgba(0,0,0,.14) 50%,transparent 50.2%),
    linear-gradient(0deg,transparent 49.8%,rgba(0,0,0,.14) 50%,transparent 50.2%); }
.hero:after { content:""; position:absolute; z-index:-1; right:14%; top:18%; width:clamp(116px,17vw,220px); aspect-ratio:1; border:1px solid rgba(0,0,0,.28); border-radius:50%; box-shadow:0 0 0 18px rgba(255,255,255,.18),0 0 0 38px rgba(0,0,0,.08); pointer-events:none; }
.hero .eyebrow,.hero h1 { color:var(--ink); }
.hero .eyebrow { color:#24200f; font-size:10px; }
.hero h1 { font-size:clamp(48px,7.6vw,104px); letter-spacing:-.065em; line-height:.91; max-width:9ch; }
.hero h1 em { color:var(--ink); font-family:var(--display); font-style:normal; font-weight:400; text-decoration:underline; text-decoration-thickness:.045em; text-underline-offset:.09em; }
.hero p { color:#24200f; max-width:38ch; font-size:15px; }
.hero-meta { z-index:1; background:#f1f1f1; color:var(--ink); border:1px solid var(--ink); border-radius:16px; padding:22px; box-shadow:8px 8px 0 rgba(0,0,0,.12); }
.hero-meta dt,.hero-note { color:#444; }
.hero-meta dd { color:var(--ink); }
.hero-note { border-color:var(--ink); }
.hero-actions { display:flex; align-items:center; gap:20px; flex-wrap:wrap; margin-top:28px; }
.primary-link { display:inline-flex; gap:18px; align-items:center; padding:14px 20px; background:var(--ink); color:#fff; border:1px solid var(--ink); border-radius:999px; font-size:13px; }
.primary-link:hover { background:#fff; color:var(--ink); }
.text-link { color:var(--ink); font-size:13px; border-bottom:1px solid var(--ink); padding:8px 0; }

/* Open, editorial sections and outlined cards. */
.section { padding-block:clamp(40px,6vw,76px); border-color:var(--ink); }
.section-head h2 { font-size:clamp(28px,4vw,48px); letter-spacing:-.055em; }
.section-head .eyebrow { display:inline-flex; align-items:center; min-height:30px; padding:5px 13px; border:1px solid var(--ink); border-radius:999px; color:var(--ink); }
.intro-grid,.perks { background:transparent; border:0; gap:14px; }
.tool-claim-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; align-items:stretch; }
.tool-claim-grid .perk { padding:clamp(24px,2.5vw,34px); }
.tool-claim-grid .perk-head { align-items:flex-start; gap:16px; }
.tool-claim-grid .perk-head h3 { line-height:1.15; }
.tool-claim-grid .perk-kind { margin-top:10px; line-height:1.6; }
.tool-claim-grid .perk > p:first-of-type { min-height:3.5em; margin-top:22px; line-height:1.75; }
.tool-claim-grid .perk > button[data-tool-claim] { width:100%; margin-top:20px; align-self:stretch; }
.tool-claim-grid .perk > .helper:empty { display:none; }
.tool-claim-grid .perk > .helper:not(:empty) { margin-top:12px; }
.intro-card,.perk { background:#fff; border:1px solid var(--ink); border-radius:14px; padding:clamp(22px,3vw,34px); }
.intro-card .idx,.sched-row time { color:#111; }
.intro-card .idx { display:inline-flex; border:1px solid var(--ink); border-radius:999px; padding:4px 9px; }
.intro-card h3,.perk-head h3 { font-size:21px; letter-spacing:-.035em; }
.sched-row { grid-template-columns:110px minmax(0,.9fr) minmax(0,1.5fr); padding-block:18px; border-color:var(--ink); }
.sched-row time { color:var(--ink); font-weight:600; }
.sched-row span { color:#333; }

/* The schedule gets a full yellow panel, like the deck’s day map. */
#weekend { position:relative; isolation:isolate; background:transparent; padding:clamp(32px,5vw,64px); margin-inline:calc(clamp(20px,5vw,76px) * -1); border:0; }
#weekend::before { content:""; position:absolute; z-index:-1; inset:0 calc(50% - 50vw); background:var(--acid); border-block:1px solid var(--ink); pointer-events:none; }
#weekend .section-head .eyebrow { background:#fff; }
#weekend .schedule { border-color:var(--ink); }
#weekend .sched-row { border-color:var(--ink); }
#weekend .sched-row span { color:#24200f; }

/* Dark interlude for sign-in and private attendee status. */
.gate { margin:clamp(38px,6vw,72px) 0; padding:clamp(30px,5vw,64px); border:1px solid var(--ink); border-radius:18px; position:relative; overflow:hidden; background:var(--ink); color:#fff; }
.gate .eyebrow { color:var(--acid); }
.gate h2 { color:#fff; }
.gate p { color:#d5d5d5; }
.gate:after { content:""; position:absolute; width:220px; height:220px; right:8%; top:12%; opacity:.65; border:1px solid rgba(255,200,20,.55); border-radius:50%; box-shadow:0 0 0 24px rgba(255,200,20,.08),0 0 0 50px rgba(255,200,20,.06); pointer-events:none; }
.gate-form input { border:1px solid #fff; border-radius:10px!important; background:#111; color:#fff; }
.gate-form input:focus { border-color:var(--acid); }
.gate-form button,.admin-nav button.active { background:var(--acid); color:var(--ink); border:1px solid var(--acid); border-radius:999px; }
.gate-form button:hover { background:#fff; border-color:#fff; }
.gate-error { color:#ffd4d0; border-color:#e27067; background:#321312; border-radius:10px; }
.token-card { border:1px solid #fff; border-radius:16px; }
.token-card:after { border-radius:50%; border-color:#555; transform:none; }
.token-block { border-style:solid; border-color:#777; border-radius:12px; }
.token-value { color:var(--acid); }
.copy-btn { border-radius:999px; }
.copy-btn:hover,.copy-btn.done { border-color:var(--acid); color:var(--acid); }
.redeem { background:var(--ink); color:#fff; border:1px solid var(--ink); border-radius:999px; }
.redeem:hover { background:var(--acid); color:var(--ink); }

/* Consistent control and admin styling. */
.admin-layout { border:1px solid var(--ink); border-radius:16px; overflow:hidden; }
.admin-nav { background:#e6e6e6; border-color:var(--ink); }
.admin-nav button.active { font-weight:600; }
.admin-panel { padding:clamp(20px,3vw,38px); }
button.btn,.btn { border:1px solid var(--ink); border-radius:999px; }
button.btn-primary,.btn-primary { background:var(--acid); border-color:var(--ink); color:var(--ink); }
button.btn-primary:hover,.btn-primary:hover { background:var(--ink); color:var(--acid); }
.btn-dark { background:var(--ink); color:#fff; border-color:var(--ink); }
.btn-danger { color:#a22218; border-color:#a22218; }
input,textarea,select,.field input,.field textarea,.field select { border:1px solid var(--ink); border-radius:10px!important; }
.faq { gap:30px 52px; }
.faq div { border-color:var(--ink); }
.faq h3 { font-size:19px; }
.submission-auth { border:1px solid var(--ink); border-radius:14px; background:#e6e6e6; padding:18px 20px; margin:20px 0 24px; }
.submission-auth form { display:flex; align-items:flex-end; gap:12px; flex-wrap:wrap; }
.submission-auth .field { flex:1 1 250px; margin:0; }
.submission-auth .btn { flex:0 0 auto; }
.submission-auth .helper { margin-bottom:0; }
.submission-auth .helper.error { color:#a22218; }
.submission-auth #submission-signout { margin-top:12px; }
body.builder-page .team-section { border:1px solid var(--ink); border-radius:16px; background:#fff; padding:clamp(22px,4vw,36px); }
body.builder-page .team-section h2 { font-size:clamp(28px,4vw,44px); }
body.builder-page .team-section .field { margin-bottom:18px; }
body.builder-page .team-section .team-member { border:1px solid var(--ink); border-radius:12px; }
body.builder-page .project-gallery-card { border:1px solid var(--ink); border-radius:14px; background:#fff; }
body.builder-page .project-gallery-tracks span { border-color:var(--ink); background:var(--acid); color:var(--ink); }
body.builder-page .project-gallery-links a { font-weight:600; }
body.admin-page .inbox-auth,body.admin-page .inbox-list { border-color:var(--ink); border-radius:16px; }
body.admin-page .submission-card { border-color:var(--ink); border-radius:14px; background:#fff; }
body.admin-page .submission-badge { border-radius:999px; }
body.admin-page .submission-badge.ready { color:var(--ink); background:var(--acid); border-color:var(--ink); }
body.admin-page .people-choice-admin,body.admin-page .judging-admin { border-color:var(--ink); border-radius:16px; background:#e6e6e6; }
body.admin-page .finalist-option { border-color:var(--ink); border-radius:10px; }
body.admin-page .finalist-option input { accent-color:var(--acid); }
body.admin-page .judge-score-grid select,body.admin-page .judge-score-block textarea { border-color:var(--ink); border-radius:10px; }
@media(max-width:760px) {
  .tool-claim-grid .perk > p:first-of-type { min-height:0; }
  .tool-claim-grid { grid-template-columns:1fr; }
  .topbar { height:64px; }
  .hero { grid-template-columns:1fr; min-height:calc(100svh - 120px); padding-block:58px; }
  .hero:before { inset:0; opacity:.28; }
  .hero:after { right:8%; top:10%; width:140px; opacity:.42; }
  .hero-meta { max-width:460px; }
  .sched-row { grid-template-columns:76px 1fr; gap:8px 14px; }
  .sched-row span { grid-column:2; }
}
@media(max-width:480px) {
  .top-caption { display:none; }
  .hero { padding-inline:22px; }
  .hero h1 { font-size:clamp(46px,14vw,68px); }
  .hero-meta { padding:17px; }
  .hero-meta dl { gap:2px 8px; font-size:10px; }
  .gate { margin-inline:-2px; }
  footer { align-items:flex-start; flex-direction:column; }
  #weekend { padding:28px 22px; margin-inline:-22px; }
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior:auto!important; transition:none!important; animation:none!important; }
}