/* ============================================================
   MahjongWoo — cozy tearoom stationery
   Palette lifted from the app itself (SharedUI.swift → Theme)
   ============================================================ */
:root{
  --jade:#15B886; --jade-deep:#0E8F69; --jade-soft:#D8F5EA;
  --gold:#FFC23C; --gold-deep:#EBA01F;
  --tangerine:#FF8A3D; --coral:#FF5D73; --berry:#8B6CE6; --sky:#46B6F0;

  --bg-top:#FFF6E9; --bg-bottom:#FFE9CF;
  --surface:#FFFFFF; --surface-2:#FFF7EC; --surface-sunk:#F3ECDD;
  --ink:#3B2F2A; --ink-soft:#9C8E83;
  --hairline:rgba(59,47,42,.09);
  --shadow:rgba(74,54,40,.18);
  --tile-body:#F5F1E6; --tile-ink:#2B2B2B;

  --r-lg:26px; --r-md:20px; --r-sm:14px;
  --maxw:1180px;
  --display:"Baloo 2","Trebuchet MS",system-ui,sans-serif;
  --body:"Nunito","Avenir Next",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg-top:#16241F; --bg-bottom:#0F1A16;
    --surface:#21302A; --surface-2:#1B2823; --surface-sunk:#15201B;
    --ink:#F4EEE3; --ink-soft:#9DB1A6;
    --hairline:rgba(255,255,255,.10);
    --shadow:rgba(0,0,0,.45);
    --jade-soft:#1C4234;
    --tile-body:#E8E2D2; --tile-ink:#22201C;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

body{
  margin:0; font-family:var(--body); color:var(--ink);
  font-size:17px; line-height:1.72; letter-spacing:.005em;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(21,184,134,.16), transparent 62%),
    radial-gradient(820px 520px at 8% 4%, rgba(255,194,60,.20), transparent 60%),
    linear-gradient(178deg, var(--bg-top), var(--bg-bottom));
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{ /* paper grain */
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0; opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
@media (prefers-color-scheme:dark){body::before{mix-blend-mode:screen;opacity:.22}}

.skip{position:absolute;left:-9999px;top:0;background:var(--jade);color:#fff;padding:12px 18px;border-radius:0 0 var(--r-sm) 0;z-index:99;font-weight:700}
.skip:focus{left:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:1}
:focus-visible{outline:3px solid var(--jade);outline-offset:3px;border-radius:6px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px) saturate(1.3);
  background:color-mix(in srgb,var(--bg-top) 78%,transparent);
  border-bottom:1px solid var(--hairline)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);
  font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:-.01em}
.brand .glyph{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(160deg,var(--tile-body),#E4DCC6);
  box-shadow:0 3px 0 var(--gold-deep),0 6px 14px var(--shadow);color:var(--tile-ink)}
.nav-links{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-weight:700;font-size:14.5px;
  padding:8px 13px;border-radius:999px;transition:.18s}
.nav-links a:hover{color:var(--ink);background:var(--surface)}
.nav-links a[aria-current]{color:var(--jade-deep);background:var(--jade-soft)}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px;display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:700;
  font-size:13px;letter-spacing:.13em;text-transform:uppercase;color:var(--jade-deep);
  background:var(--jade-soft);padding:7px 15px;border-radius:999px;margin:0 0 16px}
h1{font-family:var(--display);font-weight:800;font-size:clamp(2.3rem,6vw,3.9rem);line-height:1.03;
  letter-spacing:-.025em;margin:0 0 14px;
  background:linear-gradient(168deg,var(--jade),var(--jade-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(1.02rem,2.2vw,1.2rem);color:var(--ink-soft);max-width:56ch;margin:0 0 22px}
.stamp{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:14px;color:var(--ink);
  background:var(--surface);border:1px solid var(--hairline);padding:9px 17px;border-radius:999px;
  box-shadow:0 3px 0 rgba(0,0,0,.05),0 8px 18px var(--shadow)}
.stamp .dot{width:9px;height:9px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px var(--jade-soft)}

.mascot{width:clamp(140px,20vw,215px);height:auto;filter:drop-shadow(0 16px 26px var(--shadow));
  animation:bob 4.2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-13px) rotate(1.5deg)}}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding:40px 0 26px}
  .mascot{width:132px;justify-self:center;order:-1}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;
  font-size:16px;text-decoration:none;padding:13px 26px;border-radius:999px;
  background:var(--jade);color:#fff;box-shadow:0 4px 0 var(--jade-deep),0 10px 22px var(--shadow);
  transition:transform .14s,box-shadow .14s;border:0;cursor:pointer}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--jade-deep),0 14px 26px var(--shadow);color:#fff}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 var(--jade-deep)}
.btn.ghost{background:var(--surface);color:var(--ink);box-shadow:0 4px 0 rgba(0,0,0,.07),0 10px 22px var(--shadow)}
.btn.ghost:hover{color:var(--ink);box-shadow:0 6px 0 rgba(0,0,0,.07),0 14px 26px var(--shadow)}
.btn.gold{background:var(--gold);color:var(--tile-ink);box-shadow:0 4px 0 var(--gold-deep),0 10px 22px var(--shadow)}
.btn.gold:hover{color:var(--tile-ink);box-shadow:0 6px 0 var(--gold-deep),0 14px 26px var(--shadow)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 20px}

/* ---------- notice ---------- */
.notice{display:flex;gap:15px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--hairline);border-left:6px solid var(--gold);
  border-radius:var(--r-md);padding:19px 22px;margin:0 0 46px;box-shadow:0 10px 26px var(--shadow)}
.notice .ico{font-size:24px;line-height:1.2;flex:none}
.notice p{margin:0;font-size:15.5px;color:var(--ink-soft)}
.notice strong{color:var(--ink)}

/* ---------- legal layout ---------- */
.cols{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start;padding-bottom:80px}
@media(max-width:960px){.cols{grid-template-columns:1fr;gap:26px}}
.toc{position:sticky;top:88px}
@media(max-width:960px){.toc{position:static}}
.toc-card{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-lg);
  padding:18px;box-shadow:0 4px 0 rgba(0,0,0,.045),0 14px 30px var(--shadow)}
.toc h2{font-family:var(--display);font-size:13px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-soft);margin:0 0 12px;padding-left:4px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t}
.toc a{display:flex;gap:10px;align-items:baseline;text-decoration:none;color:var(--ink-soft);
  font-size:14.5px;font-weight:600;padding:7px 10px;border-radius:11px;transition:.16s;line-height:1.4}
.toc a::before{content:counter(t);font-family:var(--display);font-weight:700;font-size:11.5px;
  color:var(--jade-deep);background:var(--jade-soft);min-width:21px;height:21px;border-radius:7px;
  display:grid;place-items:center;flex:none;transform:translateY(1px)}
.toc a:hover{background:var(--surface-sunk);color:var(--ink)}
.toc a.active{background:var(--jade-soft);color:var(--jade-deep)}
@media(max-width:960px){.toc ol{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:2px}}

section.doc{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-lg);
  padding:30px 34px;margin:0 0 20px;box-shadow:0 4px 0 rgba(0,0,0,.045),0 14px 32px var(--shadow);
  scroll-margin-top:104px}
@media(max-width:560px){section.doc{padding:24px 20px;border-radius:var(--r-md)}}
.h-row{display:flex;gap:15px;align-items:center;margin:0 0 14px}
.tile{flex:none;width:42px;height:54px;border-radius:11px;display:grid;place-items:center;
  font-family:var(--display);font-weight:800;font-size:20px;color:var(--tile-ink);
  background:linear-gradient(163deg,#fff,var(--tile-body) 46%,#E4DCC6);
  box-shadow:inset 0 2px 0 rgba(255,255,255,.9),0 4px 0 var(--jade-deep),0 9px 16px var(--shadow)}
h2.sec{font-family:var(--display);font-weight:700;font-size:clamp(1.32rem,3vw,1.62rem);
  letter-spacing:-.015em;margin:0;color:var(--ink);line-height:1.18}
h3.sub{font-family:var(--display);font-weight:700;font-size:1.06rem;margin:22px 0 8px;color:var(--ink)}

section.doc p{margin:0 0 14px}
section.doc p:last-child,section.doc ul:last-child,section.doc ol:last-child,
section.doc .tablewrap:last-child{margin-bottom:0}
section.doc ul,section.doc ol{margin:0 0 14px;padding-left:0;list-style:none}
section.doc ol{counter-reset:n}
section.doc ul li,section.doc ol li{position:relative;padding-left:30px;margin-bottom:9px}
section.doc ul li::before{content:"";position:absolute;left:8px;top:.72em;width:8px;height:8px;
  border-radius:3px;background:var(--jade);transform:rotate(45deg)}
section.doc ol li{counter-increment:n}
section.doc ol li::before{content:counter(n);position:absolute;left:0;top:.1em;font-family:var(--display);
  font-weight:700;font-size:12px;color:var(--jade-deep);background:var(--jade-soft);
  width:21px;height:21px;border-radius:7px;display:grid;place-items:center}
strong{color:var(--ink);font-weight:700}
a{color:var(--jade-deep);text-decoration-color:color-mix(in srgb,var(--jade) 45%,transparent);text-underline-offset:3px}
a:hover{color:var(--jade)}
.ph{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.87em;background:var(--surface-sunk);
  border:1px dashed color-mix(in srgb,var(--coral) 55%,transparent);color:var(--coral);
  padding:2px 7px;border-radius:7px;font-weight:600}

/* tables */
.tablewrap{overflow-x:auto;margin:0 0 16px;border:1px solid var(--hairline);border-radius:var(--r-sm)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--hairline);vertical-align:top}
th{font-family:var(--display);font-weight:700;background:var(--surface-2);color:var(--ink);font-size:14px}
tr:last-child td{border-bottom:0}

/* cards */
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:12px;margin:0 0 16px}
.mini{background:var(--surface-2);border:1px solid var(--hairline);border-radius:var(--r-sm);padding:15px 17px}
.mini h3{font-family:var(--display);font-size:15px;margin:0 0 5px;color:var(--ink);font-weight:700}
.mini p{font-size:14.5px;color:var(--ink-soft);margin:0;line-height:1.6}

.contact{background:linear-gradient(158deg,var(--jade),var(--jade-deep));color:#fff;border:0}
.contact h2.sec,.contact p,.contact strong{color:#fff}
.contact .tile{box-shadow:inset 0 2px 0 rgba(255,255,255,.9),0 4px 0 rgba(0,0,0,.22),0 9px 16px rgba(0,0,0,.25)}
.contact a{color:#fff;text-decoration-color:rgba(255,255,255,.55)}
.contact .ph{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);color:#fff}

/* ---------- landing ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:8px 0 20px}
.feat{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:26px;
  box-shadow:0 4px 0 rgba(0,0,0,.045),0 14px 30px var(--shadow);
  transition:transform .18s,box-shadow .18s}
.feat:hover{transform:translateY(-4px);box-shadow:0 8px 0 rgba(0,0,0,.045),0 20px 38px var(--shadow)}
.feat .emoji{font-size:32px;display:block;margin:0 0 12px}
.feat h3{font-family:var(--display);font-weight:700;font-size:1.2rem;margin:0 0 8px;color:var(--ink)}
.feat p{margin:0;color:var(--ink-soft);font-size:15.5px;line-height:1.65}

.band{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-lg);
  padding:34px;margin:30px 0 60px;box-shadow:0 4px 0 rgba(0,0,0,.045),0 14px 32px var(--shadow)}
.band h2{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3.4vw,2rem);margin:0 0 10px;color:var(--ink)}
.band p{color:var(--ink-soft);margin:0 0 18px;max-width:62ch}
h2.title{font-family:var(--display);font-weight:700;font-size:clamp(1.6rem,3.6vw,2.15rem);
  margin:44px 0 6px;color:var(--ink);letter-spacing:-.02em}
p.sub{color:var(--ink-soft);margin:0 0 20px;max-width:60ch}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--hairline);background:color-mix(in srgb,var(--surface) 55%,transparent);position:relative;z-index:1}
.foot{max-width:var(--maxw);margin:0 auto;padding:34px 22px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.foot p{margin:0;color:var(--ink-soft);font-size:14.5px}
.foot nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.foot nav a{color:var(--ink-soft);text-decoration:none;font-weight:700;font-size:14.5px;padding:7px 12px;border-radius:999px}
.foot nav a:hover{color:var(--ink);background:var(--surface)}

/* ---------- print ---------- */
@media print{
  body{background:#fff;color:#000;font-size:11pt}
  body::before,.nav,.toc,.mascot,footer nav,.btn-row{display:none!important}
  .cols{grid-template-columns:1fr;padding-bottom:0}
  section.doc{box-shadow:none;border:0;border-top:1px solid #ccc;break-inside:avoid;
    page-break-inside:avoid;padding:14px 0;border-radius:0}
  h1{color:#000;-webkit-text-fill-color:#000}
  .tile{box-shadow:none;border:1px solid #999}
  a{color:#000;text-decoration:underline}
}


/* Support contact block. App Review guideline 1.5 wants the support address
   readable as text on the page, not hidden behind a mailto: button. Matches
   .toc-card so it sits in the existing design rather than beside it. */
.contact-card{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--r-md);
  padding:16px 18px;margin:18px 0 4px;
  box-shadow:0 4px 0 rgba(0,0,0,.045),0 14px 30px var(--shadow)}
.contact-label{font-family:var(--display);font-size:12px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-soft);margin:0 0 6px}
.contact-email{margin:0 0 6px}
.contact-email a{font-family:var(--display);font-weight:800;
  font-size:clamp(1.05rem,2.6vw,1.35rem);line-height:1.3;
  color:var(--jade-deep);text-decoration:none;word-break:break-word}
.contact-email a:hover{text-decoration:underline}
.contact-meta{margin:0;font-size:.9rem;line-height:1.5;color:var(--ink-soft)}