/* Fermata · web top-up page. w17 ledger17 restyle (look only; pay16.js, ids and the flow are unchanged):
   the page is the opera-house treasury of the in-game Nạp Ngọc window — painted vault behind (w17_vault.jpg), slate panels in worn
   brass, gem caskets on the pack cards (w17_casket_N.png, same ElevenLabs candidates as Resources/Ledger17, "ứng viên, chưa duyệt"),
   burgundy velvet primary, aged-ivory inputs, amber light kept local. Lock: FERMATA-REF-2026-11-04. No web fonts (system serif /
   sans stacks), no external requests (CSP: self only). */
:root { --night900:#202938; --night800:#303C50; --slate700:#3B4A61; --slate600:#526176; --slate400:#8591A0; --brass700:#8F6334; --brass500:#BD8B48;
  --brass300:#D9AE6A; --fire300:#F3BC6D; --fire100:#FFE1A6; --velvet900:#48252A; --velvet700:#703232; --ivory300:#D9C8AA; --ivory100:#EEE0C4;
  --ink:#2B211C; --inksoft:#5B4634; --accent:#8F4A1C; --danger:#E39A8A; --up:#A9C48A;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif; }
* { box-sizing: border-box; }
html { background: var(--night900); }
body { margin: 0; min-height: 100vh; color: var(--ivory100); font: 16px/1.45 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(243,188,109,.26), transparent 70%),
    radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(12,15,22,.85) 100%),
    linear-gradient(180deg, rgba(32,41,56,.55), rgba(32,41,56,.88) 60%, var(--night900)),
    url("w17_vault.jpg") center top / cover no-repeat fixed, var(--night900); }

/* ---- header: brass rule, serif title, crest */
.top { text-align: center; padding: 30px 16px 10px; position: relative; }
.top::before { content: ""; display: block; width: 92px; height: 92px; margin: 0 auto 6px; background: url("w17_crest.png") center / contain no-repeat;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,.6)) drop-shadow(0 0 18px rgba(243,188,109,.35)); }
.brand { letter-spacing: .55em; font-weight: 700; color: var(--fire300); font-size: 13px; text-shadow: 0 1px 0 #000; }
h1 { margin: 4px 0 6px; font: 700 34px/1.15 var(--serif); color: var(--fire100); text-shadow: 0 2px 0 rgba(0,0,0,.8), 0 0 22px rgba(243,188,109,.35); }
.sub { margin: 0 auto; max-width: 560px; color: var(--ivory300); }
.sub b { color: var(--fire300); }
.top::after { content: ""; display: block; width: min(520px, 80%); height: 9px; margin: 16px auto 0;
  background: linear-gradient(90deg, transparent, var(--brass700) 15%, var(--brass300) 50%, var(--brass700) 85%, transparent) center / 100% 2px no-repeat,
              radial-gradient(circle at 50% 50%, var(--fire300) 0 4px, transparent 5px); }
.test { display: inline-block; margin-top: 12px; padding: 7px 16px; border: 1px solid var(--brass500); border-radius: 6px; color: var(--fire100);
  background: linear-gradient(180deg, var(--velvet700), var(--velvet900)); font-weight: 700; font-size: 14px; letter-spacing: .02em;
  box-shadow: inset 0 0 0 1px rgba(255,225,166,.18), 0 4px 12px rgba(0,0,0,.45); }

/* ---- the first-pack callout (static text) */
.first { max-width: 760px; margin: 14px auto 0; padding: 12px 16px 12px 92px; position: relative; border-radius: 10px; color: var(--ivory100);
  background: linear-gradient(90deg, rgba(112,50,50,.92), rgba(72,37,42,.88)); border: 1px solid var(--brass500);
  box-shadow: inset 0 0 0 1px rgba(255,225,166,.15), 0 0 26px rgba(243,188,109,.28), 0 10px 24px rgba(0,0,0,.5); }
.first::before { content: ""; position: absolute; left: 12px; top: 50%; width: 70px; height: 62px; transform: translateY(-50%) rotate(-6deg);
  background: url("w17_ticket.png") center / contain no-repeat; filter: drop-shadow(0 4px 8px rgba(0,0,0,.5)); }
.first b { color: var(--fire100); font: 700 18px/1.3 var(--serif); display: block; }
.first span { color: var(--ivory300); font-size: 14px; }

main { max-width: 800px; margin: 0 auto; padding: 6px 14px 30px; }

/* ---- slate panels in worn brass (the kit's w17_panel, in CSS) */
.card { position: relative; margin: 16px 0; padding: 18px 20px; border-radius: 12px; color: var(--ivory100);
  background: linear-gradient(180deg, rgba(59,74,97,.94), rgba(40,51,69,.96)) padding-box,
              linear-gradient(135deg, var(--brass300), var(--brass700) 30%, #5d3f21 50%, var(--brass700) 70%, var(--brass300)) border-box;
  border: 3px solid transparent; box-shadow: 0 0 0 1px rgba(0,0,0,.6), 0 14px 30px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,225,166,.12); }
.card::before, .card::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--brass300); opacity: .8; }
.card::before { left: 6px; top: 6px; border-right: 0; border-bottom: 0; border-radius: 8px 0 0 0; }
.card::after { right: 6px; bottom: 6px; border-left: 0; border-top: 0; border-radius: 0 0 8px 0; }
.card.small { font-size: 14px; color: var(--ivory300); }
.card.small li { margin: 4px 0; }
h2 { margin: 0 0 14px; font: 700 21px/1.2 var(--serif); color: var(--fire100); display: flex; align-items: center; gap: 12px; padding-bottom: 10px;
  background: repeating-linear-gradient(180deg, transparent 0 3px, rgba(189,139,72,.45) 3px 4px) left bottom / 100% 17px no-repeat; }
h2 .n { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; font: 700 15px/1 var(--serif); color: var(--fire100);
  background: radial-gradient(circle at 35% 30%, #9a4747, var(--velvet900)); border: 2px solid var(--brass500); box-shadow: 0 0 10px rgba(243,188,109,.35); }

label { display: block; font-weight: 600; margin: 10px 0; color: var(--ivory300); }
input, select { display: block; width: 100%; margin-top: 5px; padding: 11px 13px; font-size: 16px; border: 1px solid var(--brass500); border-radius: 7px;
  background: linear-gradient(180deg, #f6ecd6, var(--ivory100)); color: var(--ink); box-shadow: inset 0 2px 4px rgba(43,33,28,.18); }
input:focus, select:focus { outline: 2px solid var(--fire300); outline-offset: 1px; }
label.check { font-weight: 400; display: flex; gap: 10px; align-items: flex-start; color: var(--ivory100); }
label.check input { width: auto; margin-top: 4px; accent-color: var(--velvet700); }
a { color: var(--fire300); }

button, .as-button { display: inline-block; text-align: center; text-decoration: none; cursor: pointer; border-radius: 9px; font-size: 16px; font-weight: 700;
  padding: 13px 20px; border: 2px solid var(--brass500); letter-spacing: .02em; }
.primary { width: 100%; font: 700 19px/1.2 var(--serif); letter-spacing: .06em; color: var(--fire100);
  background: radial-gradient(ellipse at 50% 0%, rgba(255,225,166,.22), transparent 60%), linear-gradient(180deg, #8a3b3b, var(--velvet700) 45%, var(--velvet900));
  box-shadow: inset 0 0 0 1px rgba(255,225,166,.25), 0 0 22px rgba(243,188,109,.3), 0 6px 14px rgba(0,0,0,.5); text-shadow: 0 1px 0 #000; }
.primary:not(:disabled):hover { filter: brightness(1.08); }
.primary:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.ghost { color: var(--fire100); background: linear-gradient(180deg, #6a4128, #4a2c1b); box-shadow: inset 0 0 0 1px rgba(255,225,166,.18), 0 4px 10px rgba(0,0,0,.4); }
.who { margin: 12px 0 0; padding: 9px 12px; border-radius: 7px; background: rgba(78,107,54,.28); border: 1px solid rgba(169,196,138,.45); color: var(--up); font-weight: 600; }
.who.bad { background: rgba(142,47,47,.28); border-color: rgba(227,154,138,.45); color: var(--danger); }

/* ---- pack caskets (cards built by pay16.js: button.pack > .g .b .p .a) */
.packs { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; }
.pack { position: relative; text-align: center; padding: 104px 10px 12px; border-radius: 10px; font-weight: 400; color: var(--ivory100);
  background: radial-gradient(ellipse 80% 45% at 50% 28%, rgba(243,188,109,.28), transparent 70%), linear-gradient(180deg, #34425a, #232d3e);
  border: 2px solid var(--brass700); box-shadow: inset 0 1px 0 rgba(255,225,166,.12), 0 6px 14px rgba(0,0,0,.45); transition: transform .12s, box-shadow .12s; }
.pack::before { content: ""; position: absolute; left: 50%; top: 10px; width: 120px; height: 90px; transform: translateX(-50%);
  background: url("w17_casket_1.png") center bottom / contain no-repeat; filter: drop-shadow(0 6px 8px rgba(0,0,0,.55)); }
.pack:nth-child(2)::before { background-image: url("w17_casket_2.png"); }
.pack:nth-child(3)::before { background-image: url("w17_casket_3.png"); }
.pack:nth-child(4)::before { background-image: url("w17_casket_4.png"); }
.pack:nth-child(5)::before { background-image: url("w17_casket_5.png"); }
.pack:nth-child(6)::before { background-image: url("w17_casket_6.png"); }
.pack:nth-child(7)::before { background-image: url("w17_casket_7.png"); }
.pack:last-child::before { background-image: url("w17_ticket.png"); }
.pack:hover { transform: translateY(-2px); border-color: var(--brass500); }
.pack.on { border-color: var(--fire300); box-shadow: 0 0 0 3px rgba(243,188,109,.45), 0 0 28px rgba(243,188,109,.4), 0 8px 18px rgba(0,0,0,.5); }
.pack .g { font: 700 22px/1.2 var(--serif); color: var(--fire100); text-shadow: 0 1px 0 #000; }
.pack .b { font-size: 13px; color: var(--fire300); min-height: 18px; }
.pack .p { display: inline-block; margin-top: 8px; padding: 5px 14px; border-radius: 7px; font-size: 18px; font-weight: 800; color: var(--fire100);
  background: linear-gradient(180deg, var(--velvet700), var(--velvet900)); border: 1px solid var(--brass500); }
.pack .a { font-size: 12px; color: var(--slate400); text-decoration: line-through; margin-top: 4px; }

.note { font-size: 14px; color: var(--ivory300); }
.note b { color: var(--fire300); }
.summary { font: 600 18px/1.4 var(--serif); color: var(--fire100); padding: 10px 12px; border-radius: 7px; background: rgba(32,41,56,.6); border: 1px dashed rgba(189,139,72,.6); }
.msg { min-height: 22px; color: var(--danger); font-weight: 600; }
footer { text-align: center; color: var(--slate400); font-size: 13px; padding: 10px 0 24px; }

/* return page */
#state { font: 600 19px/1.45 var(--serif); color: var(--fire100); }
#ref { color: var(--ivory300); }

@media (max-width: 520px) {
  h1 { font-size: 27px; }
  .packs { grid-template-columns: repeat(2, 1fr); }
  .pack { padding-top: 92px; }
  .pack::before { width: 100px; height: 78px; }
  .first { padding-left: 80px; }
}

/* w17 sepay17 · VietQR transfer card */
.qr { display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-start; }
.qr img { width: 240px; height: 240px; max-width: 100%; background: #fff; border-radius: 10px; padding: 8px; box-sizing: border-box; }
.qr .bank { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; flex: 1 1 220px; }
.qr .bank dt { opacity: .7; }
.qr .bank dd { margin: 0; word-break: break-all; }
.qr .copy { padding: 2px 8px; font-size: 12px; margin-left: 6px; }