/* Shared style for all public pages (support / terms / privacy / delete-account / release-notes),
   aligned with the voinance.app marketing site: warm cream, serif wordmark, glass header, dark-theme aware. */
:root{
  --bg:#f8f2e8; --ink:#2a231d; --muted:#8a7a68; --soft:#4d4238; --accent:#c8895a; --deep:#a56a3c;
  --line:#ece2d3; --card:#fffdf8; --wash:#fdf2e6; --washln:#f0dcc3; --glass:rgba(248,242,232,.82);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Songti TC",Georgia,serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#1a130c; --ink:#f3e8d9; --muted:#a7947e; --soft:#cdbca8; --accent:#e0a06e; --deep:#eab486;
  --line:#33281c; --card:#241a11; --wash:#271b11; --washln:#42301d; --glass:rgba(26,19,12,.82);
}}
:root[data-theme="light"]{--bg:#f8f2e8;--ink:#2a231d;--muted:#8a7a68;--soft:#4d4238;--accent:#c8895a;--deep:#a56a3c;--line:#ece2d3;--card:#fffdf8;--wash:#fdf2e6;--washln:#f0dcc3;--glass:rgba(248,242,232,.82)}
:root[data-theme="dark"]{--bg:#1a130c;--ink:#f3e8d9;--muted:#a7947e;--soft:#cdbca8;--accent:#e0a06e;--deep:#eab486;--line:#33281c;--card:#241a11;--wash:#271b11;--washln:#42301d;--glass:rgba(26,19,12,.82)}
:root{--cardglass:rgba(255,253,248,.72);--glassbd:rgba(255,255,255,.6)}
@media (prefers-color-scheme:dark){:root{--cardglass:rgba(36,26,17,.7);--glassbd:rgba(230,190,140,.14)}}
:root[data-theme="light"]{--cardglass:rgba(255,253,248,.72);--glassbd:rgba(255,255,255,.6)}
:root[data-theme="dark"]{--cardglass:rgba(36,26,17,.7);--glassbd:rgba(230,190,140,.14)}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.72 var(--sans);-webkit-font-smoothing:antialiased}
.wrap{max-width:768px;margin:0 auto;padding:0 24px 110px}

/* sticky glass header */
header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin:0 -24px 8px;padding:16px 24px;background:var(--glass);backdrop-filter:blur(16px) saturate(1.3);
  -webkit-backdrop-filter:blur(16px) saturate(1.3);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:.01em;
  color:inherit;text-decoration:none;border-bottom:0}
.brand:hover{border-bottom:0}
.brand img{width:28px;height:28px;border-radius:8px;flex:none;box-shadow:0 2px 8px -2px rgba(120,74,32,.4)}
.brand span{color:var(--accent);font-family:var(--serif);font-weight:600;letter-spacing:.02em}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--card)}
.lang button{appearance:none;border:0;background:transparent;padding:7px 16px;font:inherit;font-size:14px;cursor:pointer;color:var(--muted);transition:color .2s,background .2s}
.lang button.active{background:var(--deep);color:#fff}
.lang button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* typography */
h1{font-size:clamp(30px,4.6vw,42px);line-height:1.16;font-weight:850;letter-spacing:-.02em;margin:34px 0 6px;text-wrap:balance}
.updated{color:var(--muted);font-size:14px;margin-bottom:30px}
h2{font-size:22px;font-weight:800;letter-spacing:-.01em;margin:44px 0 12px;padding-top:8px}
h3{font-size:16.5px;font-weight:750;margin:26px 0 6px}
p,li{color:var(--soft)}
a{color:var(--deep);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--deep) 30%,transparent);transition:border-color .2s}
a:hover{border-bottom-color:var(--deep)}
ul,ol{padding-left:22px}
li{margin:7px 0}
strong{color:var(--ink)}
code{background:var(--wash);border:1px solid var(--washln);padding:1px 6px;border-radius:6px;font-size:13px}

/* callout boxes */
.tldr{background:var(--wash);border:1px solid var(--washln);border-radius:14px;padding:18px 20px;margin:24px 0}
.tldr strong{color:var(--deep)}
.note{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;padding:14px 16px;margin:18px 0;font-size:15px;color:var(--muted)}

/* tables */
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--soft)}
th{background:var(--wash);color:var(--ink);font-weight:750;font-size:13.5px}
tr:last-child td{border-bottom:0}

/* release-notes specifics */
.rel-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:26px 0 4px}
.date{color:var(--muted);font-size:13.5px;font-weight:600}
.status,.rel-meta .tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.03em;color:var(--deep);
  background:var(--wash);border:1px solid var(--washln);border-radius:999px;padding:3px 11px}
.sec-head{font-size:15px;font-weight:800;color:var(--ink);margin:18px 0 4px}
.rel-body{color:var(--soft)}

/* footer */
footer{margin-top:60px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer a{color:var(--muted);border-bottom-color:transparent}
footer a:hover{color:var(--accent)}

[hidden]{display:none!important}

/* ===== usage-guide feature demos (support page) ===== */
.lede{color:var(--muted);font-size:16px;margin:0 0 8px;max-width:52ch}
.eyebrow{color:var(--deep);font-size:12.5px;font-weight:700;letter-spacing:.02em;margin:40px 0 12px;
  display:flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.eyebrow.en{letter-spacing:.16em;text-transform:uppercase}

.feat{display:grid;grid-template-columns:164px 1fr;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin:14px 0}
.feat h3{margin:0 0 7px;font-size:16.5px;line-height:1.35}
.feat p{margin:0;color:var(--soft);font-size:15px;line-height:1.65}
.feat .say{display:inline-block;margin-top:11px;background:var(--wash);border:1px solid var(--washln);
  color:var(--deep);border-radius:9px;padding:5px 11px;font-size:13.5px;font-weight:600}
.feat .hint{display:block;margin-top:9px;color:var(--muted);font-size:12.5px}

.demo{aspect-ratio:9/16;background:var(--wash);border:1px solid var(--washln);border-radius:20px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;position:relative;overflow:hidden}
.demo::before{content:"";position:absolute;top:9px;left:50%;transform:translateX(-50%);
  width:38px;height:4px;border-radius:99px;background:var(--washln)}
.play{width:48px;height:48px;border-radius:50%;background:var(--accent);display:grid;place-items:center;
  box-shadow:0 6px 16px color-mix(in srgb,var(--deep) 40%,transparent)}
.play::after{content:"";margin-left:3px;border-style:solid;border-width:8px 0 8px 13px;
  border-color:transparent transparent transparent #fff}
.demo .cap{color:var(--muted);font-size:11.5px;letter-spacing:.04em}
.demo.has-video{padding:0;background:#000}
.demo.has-video::before{display:none}
.demo video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}

@media (max-width:620px){
  .feat{grid-template-columns:1fr;gap:14px;padding:14px}
  .demo{max-width:190px;margin:0 auto;width:100%}
}

/* ===== opt-in (body.fx): fixed wave background + frosted glass content card =====
   Used on support / delete-account / release-notes. ToS & Privacy stay on the plain layout. */
body.fx{overflow-x:hidden}
#legalbg{position:fixed;inset:-4%;width:108%;height:108%;z-index:-2;filter:blur(14px) saturate(1.12)}
#legalscrim{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 80% at 50% -10%, color-mix(in srgb,var(--bg) 60%,transparent), transparent 46%),
             linear-gradient(180deg, color-mix(in srgb,var(--bg) 22%,transparent), transparent 30%, transparent 62%, color-mix(in srgb,var(--bg) 34%,transparent))}
body.fx .wrap{max-width:812px;margin:48px auto;padding:0 clamp(22px,4vw,44px) 64px;position:relative;z-index:1;
  background:var(--cardglass);backdrop-filter:blur(22px) saturate(1.25);-webkit-backdrop-filter:blur(22px) saturate(1.25);
  border:1px solid var(--glassbd);border-radius:26px;box-shadow:0 44px 110px -46px rgba(50,30,10,.5)}
body.fx header{position:static;margin:0 clamp(-22px,-4vw,-44px) 8px;padding:18px clamp(22px,4vw,44px);
  border-radius:26px 26px 0 0;border-bottom:1px solid var(--line);background:transparent;
  backdrop-filter:none;-webkit-backdrop-filter:none}
@media(max-width:640px){body.fx .wrap{margin:16px auto;border-radius:20px}}

/* ===== invite / step cards (closed-testing page) ===== */
.step{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px 24px;margin:20px 0;position:relative}
.step-no{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--deep);background:var(--wash);border:1px solid var(--washln);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.step h3{margin:0 0 8px;font-size:18px;font-weight:800}
.step p{margin:0 0 16px;color:var(--soft);font-size:15px}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--bg)!important;
  font-weight:750;font-size:15px;padding:13px 22px;border-radius:14px;border-bottom:0!important;
  transition:transform .2s cubic-bezier(.2,.8,.2,1),box-shadow .2s}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px color-mix(in srgb,var(--ink) 45%,transparent)}
.cta-btn .arrow{transition:transform .2s}
.cta-btn:hover .arrow{transform:translateX(3px)}
.reward{background:var(--wash);border:1px solid var(--washln);border-radius:14px;padding:20px 22px;margin:26px 0 0}
.reward p{margin:0 0 10px;color:var(--soft);font-size:15px}
.reward p:last-child{margin-bottom:0}
.reward strong{color:var(--deep)}

/* ===== known-issues page ===== */
.issue{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:18px 0}
.issue .status{margin-bottom:12px}
.issue h3{margin:0 0 8px;font-size:17px;font-weight:800}
.issue p{margin:0 0 12px;color:var(--soft)}
.issue p:last-child{margin-bottom:0}
.issue .fix{background:var(--wash);border:1px solid var(--washln);border-radius:10px;padding:12px 14px;font-size:14.5px;color:var(--soft)}
.issue .fix strong{color:var(--deep)}