/* Layout and components. No raw colors or font names here: use theme.css.
   Public page composition follows the devcon.org (Devcon 8) homepage:
   key art, jaali border, centred lockup, Poppins scale, pill buttons. */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
  margin: 0; min-width: 320px; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--color-surface); color: var(--color-text);
  font-family: var(--font-ui); font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.home { font-family: var(--font-display); background: var(--color-paper); }
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.2; margin: 0; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 4px; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- top bar: solid on admin, floats over the key art on the home page */
.topbar { background: var(--color-surface-raised); color: var(--color-text); border-bottom: 1px solid var(--color-border); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--color-text); text-decoration: none; }
.brand:hover { color: var(--color-text); }
.brand svg { width: 28px; height: 33px; flex: none; }
.brand .wordmark { font-size: 19px; }
.wordmark { font-family: var(--font-wordmark); font-weight: 300; letter-spacing: -.01em; white-space: nowrap; }
.wordmark b { font-weight: 700; }
.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a, .topbar nav button {
  color: var(--color-text-secondary); text-decoration: none; font: inherit; font-size: 14px;
  padding: 8px 10px; border-radius: var(--radius-sm); background: none; border: 0; cursor: pointer;
}
.topbar nav a:hover, .topbar nav button:hover, .topbar nav a[aria-current="page"] { color: var(--color-text); background: var(--color-surface-sunk); }

.home .topbar { position: absolute; inset: 0 0 auto; z-index: 2; background: rgb(22 11 43 / 72%); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 0; border-bottom: 1px solid var(--color-on-dark-border); }
.home .topbar a { text-shadow: 0 1px 2px rgb(22 11 43 / 60%); }
.home .topbar .wrap { min-height: 72px; max-width: 1312px; }
.home .brand, .home .brand:hover { color: var(--color-on-dark); }
.home .topbar nav a { color: var(--color-on-dark); font-weight: 600; font-size: 15px; }
@media (max-width: 560px) { .home .brand .wordmark { display: none; } }
.home .topbar nav a:hover { background: none; color: var(--color-on-dark); text-decoration: underline; text-underline-offset: 6px; }

/* ---------- buttons (devcon.org pill style) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 22px; border-radius: 999px;
  font: 700 15px var(--font-display); line-height: 1; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, border-color .15s, transform .15s;
}
.btn-primary { background: var(--color-primary); color: var(--color-surface); }
.btn-primary:hover { background: var(--color-primary-hover); color: var(--color-surface); }
.btn-disabled { opacity: .85; cursor: not-allowed; }
.btn-outline { background: var(--color-surface-raised); color: var(--color-text); border-color: var(--color-hairline); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-danger { background: var(--color-surface-raised); color: var(--color-error-text); border-color: var(--color-border); }
.btn-sm { min-height: 34px; padding: 6px 14px; font-size: 13px; }
.home .btn { min-height: 52px; padding: 16px 30px; font-size: 16px; }
@media (prefers-reduced-motion: no-preference) { .home .btn-primary:hover { transform: scale(1.03); } }

/* ---------- key art + jaali edge */
.keyart { position: relative; height: clamp(300px, 50vw, 620px); overflow: hidden; background: var(--color-dark-bg); }
.keyart img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; }
.keyart { border-bottom: 6px solid var(--color-primary); }
/* devcon.org hangs this lattice under a solid purple band; same here */
.jaali { position: absolute; inset: 0 0 auto; height: 64px; pointer-events: none;
  background: url("img/devcon/jaali-purple-border.svg") center top / 1095px 100% repeat-x; transform: scaleY(-1); }
@media (min-width: 1024px) { .jaali { height: 84px; background-size: 1438px 100%; } }

/* ---------- intro: centred hub lockup */
.intro { position: relative; background: var(--intro-bg); text-align: center; padding: 108px 0 72px; overflow: hidden; }
@media (min-width: 1024px) { .intro { padding-top: 128px; } }
.intro::before {
  content: ""; position: absolute; left: 50%; top: -140px; width: 760px; height: 760px; transform: translateX(-50%);
  background: url("img/devcon/lotus.png") center / contain no-repeat; opacity: .07; pointer-events: none;
}
.intro .wrap { position: relative; }
.lockup { display: flex; flex-direction: column; align-items: center; }
.lockup svg { width: 76px; height: 88px; }
.lockup h1 { font-size: clamp(44px, 9vw, 72px); color: var(--color-ink); margin-top: 14px; line-height: 1.05; }
.lockup-event { margin: 10px 0 0; font-size: 14px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--color-primary); }
.when { margin: 36px 0 0; font-size: clamp(24px, 4.4vw, 32px); font-weight: 800; letter-spacing: -.5px; color: var(--color-ink); line-height: 1.2; }
.where { margin: 6px 0 0; font-size: 17px; color: var(--color-text-secondary); }
.where .sep { margin: 0 6px; color: var(--color-border); }
.where .tba { color: var(--color-text-muted); }
.mission { margin: 28px auto 0; max-width: 40ch; font-size: clamp(18px, 2.4vw, 21px); line-height: 1.45; color: var(--color-text); }
.actions { margin-top: 32px; display: flex; justify-content: center; }
@media (max-width: 480px) {
  .where .sep { display: none; }
  .where .tba { display: block; }
}

/* ---------- photo row */
.photos { padding: 0 0 56px; background: var(--color-paper); }
.photo-row { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 12px; align-items: center; }
.photo-row img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 16px; }
.photo-row > a { display: block; cursor: zoom-in; border-radius: 16px; }
.photo-row > a:nth-child(2) img { aspect-ratio: 5 / 4; }
.photo-note { margin: 12px 0 0; font-size: 13px; color: var(--color-text-muted); text-align: center; }
@media (max-width: 640px) {
  .photo-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .photo-row img { border-radius: 12px; }
  .photo-row > a:nth-child(2) { grid-column: 1 / -1; order: -1; }
  .photo-row > a:nth-child(2) img { aspect-ratio: 3 / 2; }
}

/* ---------- programme (reads like the Devcon app schedule) */
.programme { padding: 0 0 72px; background: var(--color-paper); }
.eyebrow { font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--color-primary); margin: 0 0 12px; line-height: 1; }
.programme-head { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-top: 64px; border-top: 1px solid var(--color-hairline); margin-bottom: 32px; }
.programme-head h2 { font-size: clamp(26px, 4vw, 32px); font-weight: 800; letter-spacing: -.5px; color: var(--color-ink); }
.programme-head .sub { margin: 10px 0 0; color: var(--color-text-secondary); font-size: 15px; }
.track-art { width: 88px; height: auto; flex: none; }
@media (max-width: 640px) { .track-art { width: 72px; align-self: flex-start; } }

.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--color-hairline); margin-bottom: 40px; overflow-x: auto; scrollbar-width: none; }
.tab {
  flex: 1 0 auto; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 10px 12px 14px; min-height: 44px; text-decoration: none; color: var(--color-text-muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab-day { font-weight: 700; font-size: 17px; color: var(--color-text-secondary); white-space: nowrap; }
.tab-n { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.tab:hover .tab-day { color: var(--color-ink); }
.tab[aria-selected="true"] { border-bottom-color: var(--color-primary); }
.tab[aria-selected="true"] .tab-day { color: var(--color-primary); }
@media (max-width: 480px) { .tab { padding: 8px 4px 12px; } .tab-day { font-size: 15px; } }

.home .day-head { max-width: 640px; margin-bottom: 40px; }
.home .day-head h3 { font-size: clamp(22px, 3.4vw, 28px); font-weight: 800; letter-spacing: -.5px; color: var(--color-ink); }
.home .day-head p { margin: 8px 0 0; color: var(--color-text-secondary); font-size: 16px; }
.home .day-head .demo-note { font-size: 14px; color: var(--color-warn-text); }

.home .shift { margin-bottom: 40px; }
.home .shift-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; padding-bottom: 10px; border-bottom: 1px solid var(--color-ink); }
.home .shift-time { font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--color-ink); }
.home .host { font-size: 14px; color: var(--color-text-secondary); }
.home .host strong { font-weight: 600; color: var(--color-ink); }
.home .sessions { list-style: none; margin: 0; padding: 0; }
.home .session { display: grid; grid-template-columns: 96px 1fr; gap: 0 24px; padding: 22px 0; border-bottom: 1px solid var(--color-hairline); }
.home .s-time { margin: 2px 0 0; font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--color-ink); }
.home .s-time span { display: block; font-weight: 400; font-size: 13px; color: var(--color-text-muted); }
.home .s-title { font-size: 19px; font-weight: 600; color: var(--color-ink); line-height: 1.3; }
.home .s-meta { margin: 4px 0 0; font-size: 14px; color: var(--color-text-secondary); }
.home .s-meta span + span::before { content: "\00B7"; margin: 0 8px; color: var(--color-text-muted); }
.home .s-type { text-transform: capitalize; color: var(--color-primary); font-weight: 500; }
.home .s-demo { color: var(--color-warn-text); }
.home .s-desc { margin: 8px 0 0; max-width: 62ch; font-size: 15px; color: var(--color-text); }
.home .cal { margin: 10px 0 0; font-size: 13px; font-weight: 600; }
.home .cal a { text-decoration: none; }
.home .cal a:hover { text-decoration: underline; }
.home .cal a + a { margin-left: 16px; }
.home .empty { margin: 0; padding: 22px 0; color: var(--color-text-muted); font-size: 15px; border-bottom: 1px solid var(--color-hairline); }
@media (max-width: 560px) {
  .home .session { grid-template-columns: 1fr; padding: 18px 0; }
  .home .s-time { margin-bottom: 4px; }
  .home .s-time span { display: inline; margin-left: 6px; }
  .home .s-time span::before { content: "to "; }
}
@media (min-width: 561px) { .home .s-time span::before { content: "to "; } }

/* ---------- organizers (Regens Unite style: names, no boxes) */
.people { padding: 72px 0 32px; text-align: center; background: linear-gradient(180deg, var(--color-paper), var(--color-lavender)); }
.org-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px 48px; margin: 8px 0 0; padding: 0; list-style: none; }
.org-list a { display: block; text-decoration: none; color: var(--color-ink); }
.org-photo { display: block; width: 112px; height: 112px; margin: 0 auto 14px; object-fit: cover; border-radius: 50%; box-shadow: 0 0 0 3px var(--color-paper), 0 0 0 4px var(--color-border, #dddae2); }
.org-photo.is-square { border-radius: 16px; }
.org-list b { display: block; font-size: 20px; font-weight: 600; color: var(--color-ink); }
.org-links { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 4px; font-size: 14px; }
.org-links a { display: inline-flex; align-items: center; gap: 5px; color: var(--color-text-muted); }
.org-links a:hover { color: var(--color-primary); }
.join { margin: 48px 0 0; font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; }
.moon-band { position: relative; height: 100px; background: var(--color-lavender); }
.moon-band::after { content: ""; position: absolute; inset: 0; opacity: .3;
  background: url("img/devcon/dc8-moon-element.svg") center bottom / 100px 100% repeat-x; }
.home main { background: var(--color-paper); }
@media (min-width: 768px) { .moon-band { height: 131px; } .moon-band::after { background-size: 131px 100%; } }

/* ---------- footer */
footer.site { background: var(--color-dark-bg); color: var(--color-on-dark-muted); font-size: 14px; padding: 28px 0; margin-top: auto; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer.site a { color: var(--color-on-dark); }
footer.site p { margin: 0; }

/* ---------- admin day layout */
.day-head { margin-bottom: 16px; }
.day-head h3 { font-size: clamp(22px, 4vw, 30px); }
.day-head p { margin: 4px 0 0; color: var(--color-text-secondary); }

/* ---------- shifts + sessions */
.admin .shift { background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: var(--radius-lg); margin-bottom: 16px; overflow: hidden; box-shadow: var(--shadow-card); }
.admin .shift-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; align-items: center; padding: 12px 16px; background: var(--color-surface-alt); border-bottom: 1px solid var(--color-border); border-left: 5px solid var(--shift-accent, var(--shift-accent-1)); }
.admin .shift:nth-of-type(3n+2) { --shift-accent: var(--shift-accent-2); }
.admin .shift:nth-of-type(3n+3) { --shift-accent: var(--shift-accent-3); }
.admin .shift-time { font-family: var(--font-display); font-weight: 600; font-variant-numeric: tabular-nums; }
.admin .host { font-size: 14px; color: var(--color-text-secondary); }
.admin .host strong { color: var(--color-text); }
.admin .sessions { list-style: none; margin: 0; padding: 0; }
.admin .session { display: grid; grid-template-columns: 112px 1fr; gap: 4px 16px; padding: 16px; border-top: 1px solid var(--color-border); }
.admin .session:first-child { border-top: 0; }
.admin .s-time { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 15px; }
.admin .s-time small { display: block; color: var(--color-text-muted); font-weight: 400; font-size: 12px; }
.admin .s-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin: 4px 0 2px; }
.admin .s-who { font-size: 14px; color: var(--color-text-secondary); margin: 0; }
.admin .s-desc { font-size: 15px; margin: 6px 0 10px; color: var(--color-text); }
.admin .badges { display: flex; flex-wrap: wrap; gap: 6px; }
.admin .badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: var(--color-surface-sunk); color: var(--color-text-secondary); text-transform: capitalize; }
.admin .badge-type { background: var(--color-type-bg); color: var(--color-primary-hover); }
.admin .badge-demo { background: var(--color-warn-bg); color: var(--color-warn-text); text-transform: none; }
.admin .cal { display: flex; flex-wrap: wrap; gap: 8px; }
.admin .empty { padding: 16px; color: var(--color-text-muted); font-size: 14px; }
@media (max-width: 560px) {
  .admin .session { grid-template-columns: 1fr; }
  .admin .s-time small { display: inline; margin-left: 6px; }
}

/* ---------- admin */
.admin main { padding: 28px 0 56px; }
.admin h1 { font-size: clamp(26px, 4vw, 34px); margin-bottom: 6px; }
.lead { color: var(--color-text-secondary); margin: 0 0 20px; }
.flash { list-style: none; padding: 0; margin: 0 0 16px; }
.flash li { padding: 10px 14px; border-radius: var(--radius-md); margin-bottom: 6px; font-size: 14px; }
.flash .ok { background: var(--color-ok-bg); color: var(--color-ok-text); }
.flash .error { background: var(--color-error-bg); color: var(--color-error-text); }
.note { background: var(--color-surface-sunk); border-radius: var(--radius-md); padding: 10px 14px; font-size: 14px; color: var(--color-text-secondary); margin-bottom: 20px; }
.card { background: var(--color-surface-raised); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-card); margin-bottom: 16px; }
label, .label { display: block; font-size: 12px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--color-text-secondary); margin-bottom: 4px; }
input[type=text], input[type=email], input[type=password], input[type=time], input[type=number], select, textarea {
  width: 100%; font: 15px var(--font-ui); color: var(--color-text); background: var(--color-surface-raised);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 9px 11px; min-height: 42px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--focus-ring); }
textarea { min-height: 90px; resize: vertical; }
.field { margin-bottom: 14px; }
.row { display: grid; grid-template-columns: 1fr; gap: 0 14px; }
@media (min-width: 640px) { .row-2 { grid-template-columns: 1fr 1fr; } .row-3 { grid-template-columns: repeat(3, 1fr); } .row-4 { grid-template-columns: repeat(4, 1fr); } }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--color-text); }
.check input { margin-top: 3px; width: 18px; height: 18px; }
.errors, .warnings { padding: 12px 16px 12px 32px; border-radius: var(--radius-md); font-size: 14px; }
.errors { background: var(--color-error-bg); color: var(--color-error-text); }
.warnings { background: var(--color-warn-bg); color: var(--color-warn-text); }
.shift-edit { display: grid; grid-template-columns: 1fr; gap: 10px; align-items: end; padding: 14px 16px; border-bottom: 1px solid var(--color-border); background: var(--color-surface-alt); }
@media (min-width: 760px) { .shift-edit { grid-template-columns: 110px 110px 1fr auto; } }
.shift-edit .field { margin: 0; }
.inline-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.inline-actions form { margin: 0; }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; }
table.list th, table.list td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
table.list th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-secondary); }
.table-scroll { overflow-x: auto; }
.match-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 980px) { .match-grid { grid-template-columns: 1.5fr 1fr; align-items: start; } }
.slot { display: grid; gap: 8px; padding: 12px 16px; border-top: 1px dashed var(--color-border); }
.slot-time { font-weight: 600; font-variant-numeric: tabular-nums; }
.slot-time span { font-weight: 400; color: var(--color-text-muted); font-size: 13px; }
.slot form { display: grid; grid-template-columns: 1fr; gap: 8px; align-items: center; }
@media (min-width: 640px) { .slot form { grid-template-columns: 1fr 100px auto auto; } }
.entry { padding: 12px 0; border-top: 1px solid var(--color-border); }
.entry:first-of-type { border-top: 0; }
.entry h4 { font-size: 16px; }
.entry p { margin: 2px 0; font-size: 14px; color: var(--color-text-secondary); }
.day-title { font-size: 20px; margin: 24px 0 10px; }
.muted { color: var(--color-text-muted); }
.tz-note { margin: 0; }
@media (max-width: 560px) {
  .admin .topbar .wrap { flex-wrap: wrap; padding-top: 10px; padding-bottom: 6px; }
  .admin .topbar nav { width: 100%; margin-left: -10px; }
}
.card-title { font-size: 20px; margin-bottom: 10px; }
.mt-6 { margin-top: 6px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.self-end { align-self: end; }
.shift-foot { padding: 0 16px 16px; }
.login-card { max-width: 420px; margin: 24px auto; }
.full { width: 100%; }
.inline-form { display: inline; margin: 0; }
.small-note { margin: 0; font-size: 13px; }
.placed { margin: 4px 0; }
.reveal { border: 2px solid var(--color-border); }
.secret code { font-size: 18px; user-select: all; word-break: break-all; }
@media (min-width: 760px) { .shift-edit.shift-edit-host { grid-template-columns: 1fr auto; } }
.admin .shift.shift-mine { border: 2px solid var(--color-primary, var(--color-border)); }

/* Photo lightbox */
.lightbox { position: fixed; inset: 0; z-index: 50; display: none; align-items: center; justify-content: center; padding: 24px; background: rgb(22 11 43 / 88%); cursor: zoom-out; }
.lightbox.is-open { display: flex; }
.lightbox img { max-width: min(1400px, 100%); max-height: 100%; width: auto; height: auto; border-radius: 12px; box-shadow: 0 20px 60px rgb(0 0 0 / 45%); }
.lightbox button { position: absolute; top: 16px; right: 16px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgb(255 255 255 / 15%); color: #fff; font-size: 26px; line-height: 44px; cursor: pointer; }
.lightbox button:hover { background: rgb(255 255 255 / 28%); }

/* Get involved + FAQ (Anamarija, 2026-10-08) */
.involved, .faq { padding: 72px 0 24px; background: var(--color-paper); }
.involved .wrap, .faq .wrap { max-width: 760px; }
.involved h2, .faq h2 { margin: 4px 0 16px; font-size: 32px; line-height: 1.15; }
.involved p { margin: 0 0 10px; font-size: 17px; color: var(--color-text-secondary); }
.involved .actions { margin-top: 20px; }
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; position: relative; font-size: 18px; font-weight: 600; color: var(--color-ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 24px; font-weight: 400; color: var(--color-primary); }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin: 0 0 18px; color: var(--color-text-secondary); font-size: 16px; }
.involved .actions { justify-content: flex-start; }
@media (max-width: 560px) {
  .home .topbar nav { flex-wrap: nowrap; gap: 0; }
  .home .topbar nav a { font-size: 13px; padding: 8px 6px; white-space: nowrap; }
}

.org-list > li > a { display: block; text-decoration: none; color: var(--color-ink); }
.org-list > li > a:hover b { color: var(--color-primary); }
.org-logo { border-radius: 24px; }