/* ROBIX TOPUP — paper & ink */
:root {
  --paper: #f2efe6;
  --surface: #fffdf7;
  --sunk: #e9e5d9;
  --ink: #151412;
  --ink-2: #3b3934;
  --muted: #6b675d;
  --dim: #99948a;
  --hair: #d8d2c3;
  --accent: #ff4f1f;
  --ok: #1d7f47;
  --warn: #a8670e;
  --bad: #cf2a1b;
  --blue: #2346e8;

  /* ชื่อเดิมที่หลังบ้านยังใช้อยู่ */
  --card: var(--surface);
  --card-2: var(--sunk);
  --line: var(--hair);
  --line-2: #c4bdab;
  --text: var(--ink);
  --brand: var(--accent);
  --brand-2: var(--ink);
  --grad: var(--accent);

  --head: 'Bai Jamjuree', 'IBM Plex Sans Thai', sans-serif;
  --body: 'IBM Plex Sans Thai', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  --cover: 'Anton', 'Bai Jamjuree', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: #fff; }
.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--muted); }
.dim { color: var(--dim); }
.mono { font-family: var(--mono); }
.hidden { display: none !important; }
.grad-text { color: var(--accent); }

/* ---------- top strip ---------- */
.mock-banner {
  background: repeating-linear-gradient(-45deg, #ffd84d 0 14px, #f5c92e 14px 28px);
  color: var(--ink); text-align: center; font: 500 12.5px/1 var(--mono); padding: 8px 16px; border-bottom: 2px solid var(--ink);
}
.ticker { background: var(--ink); color: var(--paper); overflow: hidden; white-space: nowrap; font: 12.5px/1 var(--mono); }
.ticker-track { display: inline-flex; gap: 40px; padding: 10px 0; animation: tick 40s linear infinite; }
.ticker-track span::before { content: '/'; color: var(--accent); margin-right: 40px; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- nav ---------- */
.nav { background: var(--paper); border-bottom: 2px solid var(--ink); position: sticky; top: 0; z-index: 40; }
.nav .container { display: flex; align-items: center; gap: 20px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font: 700 19px/1 var(--head); letter-spacing: -0.2px; }
.logo-mark {
  width: 30px; height: 30px; display: grid; place-items: center; background: var(--accent); color: #fff;
  border: 2px solid var(--ink); font: 400 17px/1 var(--cover); box-shadow: 2px 2px 0 var(--ink);
}
.nav-links { display: flex; align-items: center; gap: 22px; margin-left: auto; font-size: 14.5px; }
.nav-links a { position: relative; padding: 4px 0; color: var(--ink-2); }
.nav-links a.btn { padding: 7px 14px; color: var(--ink); }
.nav-links a:not(.btn)::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav-links a:not(.btn):hover::after, .nav-links a.active:not(.btn)::after { transform: scaleX(1); }

/* ---------- buttons / inputs ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border: 2px solid var(--ink); background: var(--surface); color: var(--ink);
  font: 600 15px/1.2 var(--head); cursor: pointer; transition: transform .12s, box-shadow .12s, background .12s; white-space: nowrap;
}
.btn:hover:not(:disabled) { transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--ink); }
.btn:active:not(:disabled) { transform: none; box-shadow: none; }
.btn:disabled { cursor: not-allowed; background: var(--sunk); color: var(--dim); border-color: var(--line-2); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover:not(:disabled) { background: var(--accent); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-lg { padding: 15px 26px; font-size: 17px; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-width: 1.5px; }
.btn-ok { background: #d9f0e1; color: var(--ok); border-color: var(--ok); }
.btn-bad { background: #fbe1dc; color: var(--bad); border-color: var(--bad); }
.btn-block { width: 100%; }
.link-arrow { font: 600 15px var(--head); border-bottom: 2px solid var(--ink); padding-bottom: 2px; }
.link-arrow:hover { color: var(--accent); border-color: var(--accent); }

.input, select.input, textarea.input {
  width: 100%; padding: 12px 14px; border: 2px solid var(--ink); background: var(--surface);
  outline: none; font-size: 16px; border-radius: 0; transition: box-shadow .12s;
}
.input::placeholder { color: var(--dim); }
.input:focus { box-shadow: 4px 4px 0 var(--accent); }
label.lbl { display: block; font: 600 14px var(--head); margin-bottom: 6px; }
.field { margin-bottom: 16px; }
.hint { font-size: 13px; color: var(--muted); margin-top: 6px; }

.card { background: var(--surface); border: 2px solid var(--ink); }
.pad { padding: 22px; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; padding: 56px 0 48px; align-items: end; border-bottom: 2px solid var(--ink); }
.kicker { font: 500 12.5px var(--mono); letter-spacing: .5px; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.kicker i { width: 8px; height: 8px; background: var(--ok); display: inline-block; }
.hero h1 { font: 700 clamp(46px, 7.4vw, 92px)/0.98 var(--head); letter-spacing: -2px; margin: 18px 0 20px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { font-size: 17px; color: var(--ink-2); max-width: 470px; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0; margin-top: 40px; }
.facts div { padding: 0 24px; border-left: 2px solid var(--ink); }
.facts div:first-child { padding-left: 0; border-left: 0; }
.facts dt { font: 12px var(--mono); color: var(--muted); }
.facts dd { margin: 2px 0 0; font: 600 16px var(--head); }

.panel { background: var(--surface); border: 2px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); }
.panel-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 2px solid var(--ink); font: 600 15px var(--head); }
.panel-head span:last-child { font: 12px var(--mono); color: var(--muted); }
.quick { display: grid; grid-template-columns: 52px 1fr auto; gap: 14px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--hair); transition: background .12s; }
.quick:last-child { border-bottom: 0; }
.quick:hover { background: var(--sunk); }
.quick b { font: 600 15.5px var(--head); display: block; }
.quick small { font: 12.5px var(--mono); color: var(--muted); }
.quick .arr { font: 18px var(--mono); transition: transform .15s; }
.quick:hover .arr { transform: translateX(4px); color: var(--accent); }

.recent { display: flex; gap: 0; overflow: hidden; border-bottom: 2px solid var(--ink); font-size: 13.5px; }
.recent-label { flex: none; background: var(--accent); color: #fff; font: 600 12.5px var(--mono); padding: 10px 14px; border-right: 2px solid var(--ink); }
.recent-list { display: flex; gap: 28px; padding: 10px 16px; white-space: nowrap; overflow-x: auto; scrollbar-width: none; }
.recent-list span b { font-weight: 600; }
.recent-list span i { font-style: normal; color: var(--muted); font-family: var(--mono); font-size: 12px; margin-left: 6px; }

/* ---------- covers ---------- */
.cover {
  position: relative; overflow: hidden; aspect-ratio: 4 / 5; border: 2px solid var(--ink);
  background: var(--c1); color: var(--c2); container-type: inline-size;
}
.cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cover .abbr {
  position: absolute; left: 7%; bottom: 0; font: 400 calc(132cqw / max(var(--len), 3)) / .86 var(--cover);
  letter-spacing: -.01em; white-space: nowrap;
}
.cover .pub { position: absolute; top: 8%; left: 9%; font: 500 max(9px, 6.5cqw) var(--mono); opacity: .8; }
.cover .hot {
  position: absolute; top: 7%; right: 7%; background: var(--paper); color: var(--ink); border: 1.5px solid var(--ink);
  font: 600 max(9px, 6cqw)/1 var(--mono); padding: 3px 6px;
}
/* มีรูป: ไอคอนสี่เหลี่ยมอยู่ด้านบน แถบสีด้านล่างบอกผู้จัดจำหน่าย */
.cover.has-img img { bottom: auto; height: auto; aspect-ratio: 1; border-bottom: 2px solid var(--ink); }
.cover.has-img .pub { top: auto; bottom: 5.5%; color: var(--c2); }
.cover.logo { background: var(--c2); }
.cover.logo img { object-fit: contain; padding: 14%; border-bottom: 0; }
.cover.logo .pub { color: var(--c1); }
.cover.sq.has-img img { height: 100%; border-bottom: 0; }
.cover.sq { aspect-ratio: 1; }
.cover.sq .abbr { left: 8%; bottom: 4%; font-size: calc(110cqw / max(var(--len), 3)); }
.cover.sq .pub, .cover.sq .hot { display: none; }

/* ---------- section ---------- */
.section { padding: 56px 0 8px; }
.sec-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.sec-head h2 { font: 700 34px/1.1 var(--head); letter-spacing: -.5px; margin: 0; }
.sec-head h2 sup { font: 500 14px var(--mono); color: var(--muted); margin-left: 6px; vertical-align: super; }
.toolbar { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.tabs-line { display: flex; gap: 18px; flex-wrap: wrap; }
.tabs-line button { background: none; border: 0; padding: 4px 0; cursor: pointer; font: 500 15px var(--head); color: var(--muted); border-bottom: 2px solid transparent; }
.tabs-line button:hover { color: var(--ink); }
.tabs-line button.active { color: var(--ink); border-color: var(--accent); }
.search { position: relative; width: 240px; max-width: 100%; }
.search input { padding: 9px 12px 9px 38px; font-size: 15px; border-width: 1.5px; }
.search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); }

.games { display: grid; grid-template-columns: repeat(auto-fill, minmax(176px, 1fr)); gap: 30px 20px; }
.tile { display: block; }
.tile .cover { transition: transform .15s, box-shadow .15s; }
.tile:hover .cover { transform: translate(-4px, -4px); box-shadow: 6px 6px 0 var(--ink); }
.tile-name { font: 600 16.5px/1.3 var(--head); margin-top: 12px; }
.tile-price { font: 13px var(--mono); color: var(--muted); }

.howto { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ink); }
.howto > div { padding: 22px 26px 26px 0; }
.howto > div + div { padding-left: 26px; border-left: 1px solid var(--hair); }
.howto .no { font: 500 13px var(--mono); color: var(--accent); }
.howto h3 { font: 600 20px var(--head); margin: 6px 0 6px; }
.howto p { margin: 0; color: var(--ink-2); font-size: 15px; }

.faq-wrap { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; border-top: 2px solid var(--ink); padding-top: 26px; }
.faq-wrap h2 { font: 700 34px/1.1 var(--head); margin: 0; }
.faq details { border-bottom: 1px solid var(--hair); padding: 16px 0; }
.faq details:first-child { padding-top: 0; }
.faq summary { cursor: pointer; font: 600 17px var(--head); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 22px/1 var(--mono); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq p { color: var(--ink-2); margin: 10px 0 0; max-width: 620px; }

/* ---------- game page ---------- */
.crumb { font: 13px var(--mono); color: var(--muted); padding: 22px 0 0; }
.crumb a:hover { color: var(--ink); text-decoration: underline; }
.game-head { display: grid; grid-template-columns: 150px 1fr; gap: 28px; align-items: end; padding: 20px 0 30px; border-bottom: 2px solid var(--ink); }
.game-head h1 { font: 700 clamp(34px, 5vw, 56px)/1 var(--head); letter-spacing: -1px; margin: 0 0 10px; }
.game-head .meta { font: 13.5px var(--mono); color: var(--muted); }
.game-head ul { list-style: none; padding: 0; margin: 14px 0 0; display: flex; gap: 22px; flex-wrap: wrap; font-size: 14.5px; }
.game-head li::before { content: '—'; color: var(--accent); margin-right: 8px; }

.checkout { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; padding: 10px 0 70px; }
.step-sec { padding: 26px 0 30px; border-bottom: 1px solid var(--hair); }
.step-sec:last-child { border-bottom: 0; }
/* ---------- policy pages ---------- */
.policy { max-width: 760px; margin: 0 auto; padding: 48px 0 72px; line-height: 1.8; }
.policy h1 { font: 700 clamp(32px, 6vw, 48px)/1.15 var(--head); margin: 10px 0 26px; padding-bottom: 22px; border-bottom: 2px solid var(--ink); }
.policy h3 { display: flex; gap: 12px; align-items: baseline; font: 700 18px var(--head); margin: 30px 0 6px; }
.policy h3 .n { font: 500 12.5px var(--mono); color: var(--accent); }
.policy p { margin: 0 0 8px; color: var(--ink-2); }
.policy a { text-decoration: underline; }
.policy-en { margin: 36px 0 18px; padding: 18px 20px; border: 1.5px solid var(--ink); background: var(--card); font-size: 14.5px; }
.policy-en p { margin: 6px 0 0; }

.step-title { display: flex; align-items: baseline; gap: 14px; margin: 0 0 18px; font: 700 22px var(--head); }
.step-title .n { font: 500 13px var(--mono); color: var(--accent); }
.step-title small { font: 400 13px var(--body); color: var(--muted); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.packs { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 12px; }
.pack {
  position: relative; text-align: left; padding: 14px 14px 12px; cursor: pointer;
  border: 2px solid var(--ink); background: var(--surface); transition: transform .12s, box-shadow .12s;
}
.pack:hover { transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--ink); }
.pack.sel { background: var(--ink); color: var(--paper); transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--accent); }
.pack-name { font: 600 15.5px/1.3 var(--head); margin-bottom: 14px; padding-right: 8px; }
.pack-price { font: 600 18px var(--mono); }
.pack.sel .pack-price { color: #ff8a66; }
.pack-badge { position: absolute; top: -1px; right: -1px; background: var(--accent); color: #fff; font: 600 11px/1 var(--mono); padding: 4px 7px; }

/* receipt */
.receipt {
  position: sticky; top: 88px; background: var(--surface); border: 2px solid var(--ink);
  padding: 20px 20px 28px; font-family: var(--mono); font-size: 13.5px; margin-top: 26px;
}
/* รูเจาะตามขอบล่างแบบตั๋ว */
.receipt::after {
  content: ''; position: absolute; left: 6px; right: 6px; bottom: -7px; height: 12px;
  background: radial-gradient(circle at 9px 6px, var(--paper) 3.5px, var(--ink) 3.5px 5px, transparent 5.5px) 0 0 / 18px 12px repeat-x;
}
.r-title { font: 700 16px var(--head); display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.r-title span { font: 12px var(--mono); color: var(--muted); }
.sum-row { display: flex; justify-content: space-between; gap: 14px; padding: 8px 0; border-bottom: 1px dashed var(--line-2); }
.sum-row span:first-child { color: var(--muted); flex: none; }
.sum-row span:last-child { text-align: right; word-break: break-word; }
.sum-total { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0 4px; }
.sum-total b { font: 700 30px var(--mono); letter-spacing: -1px; }
.receipt .btn { font-family: var(--head); margin-top: 16px; }
.r-foot { font-size: 12px; color: var(--muted); margin-top: 12px; text-align: center; }

/* ---------- order page ---------- */
.order-wrap { max-width: 980px; margin: 0 auto; padding: 30px 0 70px; }
.order-top { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; padding-bottom: 22px; border-bottom: 2px solid var(--ink); }
.order-top h1 { font: 700 clamp(30px, 4.6vw, 48px)/1.05 var(--head); letter-spacing: -1px; margin: 6px 0 6px; }
.order-top p { margin: 0; color: var(--ink-2); }
.progress { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 22px 0 30px; }
.progress div { font: 12px var(--mono); color: var(--dim); }
.progress div::before { content: ''; display: block; height: 6px; background: var(--hair); margin-bottom: 8px; }
.progress .done { color: var(--ink); }
.progress .done::before { background: var(--ink); }
.progress .now { color: var(--accent); }
.progress .now::before { background: var(--accent); animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: .35; } }
.order-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.order-grid .receipt { position: relative; top: 0; margin-top: 0; }

.pay { text-align: center; }
.pay h3 { font: 700 20px var(--head); margin: 0 0 4px; text-align: left; }
.pay .sub { text-align: left; color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.qr-frame { border: 2px solid var(--ink); background: #fff; width: 270px; max-width: 100%; margin: 0 auto; }
.qr-frame .pp-head { background: #0e3a6d; color: #fff; font: 700 14px/1 var(--head); letter-spacing: 1px; padding: 10px; }
.qr-frame #qr { padding: 12px; }
.qr-frame svg { width: 100%; height: auto; display: block; }
.amount-big { font: 700 36px var(--mono); letter-spacing: -1px; margin: 16px 0 0; }
.countdown { font: 13px var(--mono); color: var(--muted); margin-top: 2px; }
.countdown b { color: var(--accent); }
.upload { display: block; border: 2px dashed var(--ink); padding: 22px 16px; text-align: center; cursor: pointer; margin-top: 22px; background: var(--surface); transition: background .12s; }
.upload:hover { background: var(--sunk); }
.upload img { max-height: 220px; margin: 0 auto 10px; }
.upload b { font: 600 16px var(--head); display: block; }

.delivery { background: var(--surface); border: 2px solid var(--ok); padding: 14px 16px; font: 14px var(--mono); white-space: pre-wrap; word-break: break-all; }
.note { border-left: 4px solid var(--warn); background: #f7ead0; padding: 12px 14px; font-size: 14.5px; color: #5a3d07; }
.note.bad { border-color: var(--bad); background: #f8dcd6; color: #6e170e; }
.code-chip { font: 500 13.5px var(--mono); background: var(--sunk); padding: 3px 8px; cursor: pointer; border: 1px solid var(--line-2); }
.code-chip:hover { border-color: var(--ink); }

/* ---------- status ---------- */
.st { display: inline-flex; align-items: center; gap: 6px; font: 500 12px/1 var(--mono); padding: 5px 8px; border: 1.5px solid currentColor; white-space: nowrap; background: var(--surface); }
.st::before { content: ''; width: 6px; height: 6px; background: currentColor; }
.st-pending_payment { color: var(--muted); }
.st-verifying { color: var(--warn); }
.st-processing { color: var(--blue); }
.st-success { color: var(--ok); }
.st-failed { color: var(--bad); }
.st-cancelled, .st-refunded { color: var(--dim); }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: var(--paper); margin-top: 80px; padding: 50px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.foot-name { font: 400 clamp(48px, 9vw, 110px)/.85 var(--cover); letter-spacing: -1px; color: var(--paper); }
.foot-name span { color: var(--accent); }
.footer h4 { font: 500 12px var(--mono); color: var(--dim); margin: 0 0 10px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer a:hover { color: var(--accent); }
.foot-bottom { margin-top: 40px; padding-top: 16px; border-top: 1px solid #3b3934; font: 12px var(--mono); color: var(--dim); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- misc ---------- */
.toast-wrap { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 100; display: flex; flex-direction: column; gap: 8px; align-items: center; width: min(420px, 100% - 32px); }
.toast { padding: 12px 18px; background: var(--ink); color: var(--paper); border-left: 5px solid var(--paper); font-size: 14.5px; animation: up .25s; box-shadow: 4px 4px 0 rgba(0,0,0,.2); }
.toast.err { border-color: var(--accent); }
.toast.ok { border-color: #53c27f; }
@keyframes up { from { opacity: 0; transform: translateY(10px); } }
.skeleton { background: repeating-linear-gradient(-45deg, var(--sunk) 0 10px, var(--paper) 10px 20px); border: 2px solid var(--hair); }
.empty { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty .big { font: 400 54px/1 var(--cover); color: var(--ink); margin-bottom: 10px; }
.badge { font: 500 11.5px var(--mono); padding: 2px 6px; border: 1px solid var(--line-2); background: var(--sunk); }
.chip { padding: 7px 13px; border: 1.5px solid var(--ink); background: var(--surface); cursor: pointer; font: 500 13.5px var(--head); }
.chip.active { background: var(--ink); color: var(--paper); }
/* backwards: ไม่ค้าง transform หลังจบ ไม่งั้น position:fixed ข้างในจะเพี้ยน */
.fade-in { animation: up .3s ease backwards; }

/* ---------- mobile helpers ---------- */
body { -webkit-tap-highlight-color: transparent; }
.qr-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.qr-actions .btn { padding: 11px 10px; font-size: 14.5px; }
.mobile-tip { display: none; font-size: 13px; color: var(--muted); margin: 12px 0 0; text-align: left; border-left: 3px solid var(--accent); padding-left: 10px; }
.buybar, .buybar-space { display: none; }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; }
  .checkout, .order-grid { grid-template-columns: 1fr; gap: 20px; }
  .receipt { position: relative; top: 0; }
  .faq-wrap { grid-template-columns: 1fr; gap: 16px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > :first-child { grid-column: 1 / -1; }

  /* แถบชำระเงินติดขอบล่าง */
  .buybar {
    display: flex; align-items: center; gap: 14px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
    background: var(--surface); border-top: 2px solid var(--ink);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .buybar-space { display: block; height: 90px; }
  .bb-info { flex: 1; min-width: 0; }
  .bb-info small { display: block; font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .bb-info b { font: 700 22px/1.1 var(--mono); letter-spacing: -.5px; }
  .buybar .btn { padding: 14px 24px; font-size: 16px; }
  .receipt #buy, .receipt #buyHint { display: none; }
  .mobile-tip { display: block; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .container { width: calc(100% - 32px); }
  .ticker { font-size: 11.5px; }
  .ticker-track { padding: 8px 0; }
  .nav .container { height: 56px; }
  .nav-links a[data-nav="home"] { display: none; }
  .nav-links .btn { padding: 8px 12px; font-size: 14px; }
  .logo { font-size: 17px; }

  .hero { padding: 26px 0 28px; gap: 0; }
  .hero h1 { font-size: 46px; letter-spacing: -1px; margin: 12px 0 14px; }
  .hero .lede { font-size: 15.5px; margin-bottom: 22px; }
  .hero-actions { gap: 16px; }
  .hero-actions .btn { flex: 1; }
  .hero .panel { display: none; }
  .facts { grid-template-columns: repeat(3, 1fr); margin-top: 26px; }
  .facts div { padding: 0 10px; }
  .facts dt { font-size: 11px; }
  .facts dd { font-size: 13.5px; line-height: 1.35; }

  .recent { margin: 0 -16px; border-left: 0; border-right: 0; }
  .recent-label { padding: 10px 12px; }

  .section { padding-top: 40px; }
  .sec-head { margin-bottom: 18px; gap: 14px; }
  .sec-head h2, .faq-wrap h2 { font-size: 28px; }
  .toolbar { width: 100%; gap: 12px; flex-direction: column-reverse; align-items: stretch; }
  .tabs-line { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; gap: 20px; }
  .tabs-line::-webkit-scrollbar { display: none; }
  .tabs-line button { flex: none; padding: 6px 0; }
  .search { width: 100%; }
  .search input { padding-top: 12px; padding-bottom: 12px; font-size: 16px; }
  .games { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .tile-name { font-size: 15px; margin-top: 8px; }

  .howto { grid-template-columns: 1fr; }
  .howto > div, .howto > div + div { padding: 16px 0; border-left: 0; border-bottom: 1px solid var(--hair); }
  .faq summary { font-size: 16px; }

  .crumb { padding-top: 14px; }
  .game-head { grid-template-columns: 84px 1fr; gap: 16px; padding: 14px 0 20px; align-items: center; }
  .game-head h1 { font-size: 30px; margin-bottom: 4px; }
  .game-head ul { display: none; }
  .step-sec { padding: 22px 0; }
  .step-title { font-size: 19px; margin-bottom: 14px; }
  .row2 { grid-template-columns: 1fr; gap: 0; }
  .packs { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .pack { padding: 12px; min-height: 92px; }
  .pack-name { font-size: 14.5px; margin-bottom: 10px; }
  .pack-price { font-size: 17px; }
  .receipt { margin-top: 6px; }

  .order-wrap { padding-top: 20px; }
  .order-top h1 { font-size: 32px; }
  .progress div { font-size: 10.5px; }
  .qr-frame { width: 100%; max-width: 300px; }
  .upload { padding: 18px 14px; }

  .foot-name { font-size: 64px; }
  .footer { margin-top: 50px; padding-top: 36px; }
  .pad { padding: 18px; }
  .toast-wrap { bottom: calc(96px + env(safe-area-inset-bottom)); }
}

/* จอสัมผัส: ไม่ใช้เอฟเฟกต์ hover ที่ค้าง ใช้ตอนกดแทน */
@media (hover: none) {
  .btn:hover:not(:disabled), .pack:hover:not(.sel), .tile:hover .cover { transform: none; box-shadow: none; }
  .btn-primary:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
  .btn:active:not(:disabled), .pack:active { transform: translate(1px, 1px); }
  .tile:active .cover { transform: scale(.98); }
}