/* ============================================================
   NẾP GẤP — 4gsoftbank.com
   Một tờ giấy: fold-white ground, washi cream panels, sumi ink,
   vermilion action, một chấm vàng đánh dấu "bây giờ".
   Mobile-first. Fonts: Be Vietnam Pro (voice) + Manrope (numbers).
   ============================================================ */

@font-face {
  font-family: 'Be Vietnam Pro';
  src: url('fonts/be-vietnam-pro-400.ttf') format('truetype');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  src: url('fonts/be-vietnam-pro-500.ttf') format('truetype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  src: url('fonts/be-vietnam-pro-600.ttf') format('truetype');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  src: url('fonts/be-vietnam-pro-700.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('fonts/manrope-500.ttf') format('truetype');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('fonts/manrope-600.ttf') format('truetype');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('fonts/manrope-700.ttf') format('truetype');
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --paper: #F6F1E9;        /* fold-white ground */
  --card: #FBF7F0;         /* input/inner card */
  --washi: #EDE3D1;        /* panels */
  --washi-deep: #E3D5BC;
  --crease: #D6CAB4;       /* hairlines on cream */
  --crease-soft: #E4DAC7;
  --sumi: #1A1A1A;
  --sumi-soft: #4A4741;
  --inkfade: #69655E;      /* faded ink — labels, dates */
  --verm: #C93527;         /* primary fill */
  --verm-ink: #B02A1E;     /* vermilion as text/outline */
  --verm-bright: #D83A2E;  /* diagrams, bands */
  --verm-deep: #A82A1F;
  --verm-wash: rgba(201, 53, 39, .08);
  --gold: #D4AF37;
  --sans: 'Be Vietnam Pro', -apple-system, 'Segoe UI', sans-serif;
  --num: 'Manrope', 'Be Vietnam Pro', sans-serif;
  --shadow-sheet: 0 1px 2px rgba(26, 26, 26, .05), 0 10px 28px rgba(26, 26, 26, .07);
  --shadow-desk: 0 2px 4px rgba(26, 26, 26, .06), 0 18px 44px rgba(26, 26, 26, .12);
  --rail-w: 232px;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--sumi);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
a { color: var(--verm-ink); text-decoration: none; text-underline-offset: 3px; }
img { max-width: 100%; }
button { font-family: inherit; }
::selection { background: var(--verm-bright); color: var(--paper); }
:focus-visible { outline: 2px solid var(--verm); outline-offset: 2px; border-radius: 2px; }
input, textarea { caret-color: var(--verm); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--washi-deep); border: 2px solid var(--paper); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--inkfade); }
* { scrollbar-width: thin; scrollbar-color: var(--washi-deep) var(--paper); }

.zg-mono { font-family: var(--num); font-variant-numeric: tabular-nums; letter-spacing: .01em; }
.zg-mute { color: var(--sumi-soft); font-size: 13px; }

.zg-ic { width: 20px; height: 20px; flex: none; }

/* ---------- frame ---------- */
.zg-frame { min-height: 100dvh; display: flex; flex-direction: column; }
.zg-stage { flex: 1; display: flex; flex-direction: column; }
.zg-main { flex: 1; width: 100%; max-width: 1120px; margin: 0 auto; padding: 20px 16px calc(88px + env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: 18px; }
.zg-main--wide { max-width: 1120px; }
#zg-view { outline: none; }

/* route transition — the crease folds down once */
@keyframes zgFoldIn {
  from { opacity: 0; clip-path: inset(0 0 100% 0); }
  to { opacity: 1; clip-path: inset(0 0 0% 0); }
}
.zg-anim .zg-main, .zg-anim .zg-auth__wrap { animation: zgFoldIn .34s cubic-bezier(.16, 1, .3, 1); }

/* ---------- topbar (mobile) ---------- */
.zg-topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--crease-soft);
}
.zg-topbar__brand { display: inline-flex; align-items: center; gap: 10px; color: var(--sumi); }
.zg-topbar__logo { width: 26px; height: 26px; object-fit: contain; }
.zg-topbar__brand span { font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.zg-topbar__tools { display: flex; align-items: center; gap: 4px; }

/* ---------- rail (desktop) ---------- */
.zg-rail { display: none; }

/* ---------- bottom nav (mobile) ---------- */
.zg-bottom {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex;
  background: var(--washi);
  border-top: 1px solid var(--crease);
  padding-bottom: env(safe-area-inset-bottom);
}
.zg-bottom__item {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 9px 4px 8px; color: var(--inkfade); position: relative;
}
.zg-bottom__ic { display: flex; }
.zg-bottom__ic .zg-ic { width: 21px; height: 21px; }
.zg-bottom__label { font-size: 9.5px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; white-space: nowrap; }
.zg-bottom__item.is-now { color: var(--verm-ink); }
.zg-bottom__item.is-now::after {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--gold); position: absolute; top: 4px;
}

/* ---------- rail (desktop) ---------- */
@media (min-width: 960px) {
  .zg-frame { flex-direction: row; }
  .zg-rail {
    display: flex; flex-direction: column;
    width: var(--rail-w); flex: none;
    border-right: 1px solid var(--crease-soft);
    background: var(--paper);
    position: sticky; top: 0; height: 100dvh;
  }
  .zg-topbar { display: none; }
  .zg-bottom { display: none; }
  .zg-main { padding: 32px 36px 48px; }
}
.zg-brand { display: flex; align-items: center; gap: 10px; padding: 22px 20px 18px; border-bottom: 1px solid var(--crease-soft); }
.zg-brand__logo { width: 30px; height: 30px; object-fit: contain; }
.zg-brand__name { font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--sumi); }
.zg-rail__nav { display: flex; flex-direction: column; padding: 10px 0; overflow-y: auto; }
.zg-rail__item {
  display: grid; grid-template-columns: 26px 22px 1fr 10px; align-items: center;
  gap: 8px; padding: 10px 20px; color: var(--sumi-soft);
}
.zg-rail__no { font-family: var(--num); font-size: 11px; font-weight: 600; color: var(--inkfade); }
.zg-rail__ic { display: flex; }
.zg-rail__ic .zg-ic { width: 19px; height: 19px; }
.zg-rail__label { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.zg-rail__dot { width: 7px; height: 7px; border-radius: 50%; background: transparent; justify-self: end; }
.zg-rail__item:hover { background: var(--washi); color: var(--sumi); }
.zg-rail__item.is-now { color: var(--sumi); background: var(--washi); }
.zg-rail__item.is-now .zg-rail__dot { background: var(--gold); }
.zg-rail__item.is-now .zg-rail__no { color: var(--verm-ink); }
.zg-rail__foot { margin-top: auto; padding: 14px 20px 18px; border-top: 1px solid var(--crease-soft); display: flex; flex-direction: column; gap: 12px; }
.zg-rail__logout {
  display: inline-flex; align-items: center; gap: 8px;
  background: none; border: none; padding: 4px 0; cursor: pointer;
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--sumi-soft);
}
.zg-rail__logout:hover { color: var(--verm-ink); }
.zg-rail__logout .zg-ic { width: 16px; height: 16px; }

/* ---------- language ---------- */
.zg-lang { display: inline-flex; align-items: center; gap: 4px; }
.zg-lang__sep { color: var(--inkfade); font-size: 11px; }
.zg-lang__btn {
  background: none; border: none; cursor: pointer; padding: 4px 5px;
  font-family: var(--num); font-size: 11px; font-weight: 700; letter-spacing: .08em;
  color: var(--inkfade);
}
.zg-lang__btn.is-now { color: var(--verm-ink); border-bottom: 2px solid var(--gold); }

/* ---------- page head ---------- */
.zg-pagehead { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.zg-pagehead__no {
  font-family: var(--num); font-size: 30px; font-weight: 600;
  color: var(--inkfade); font-variant-numeric: tabular-nums;
}
.zg-pagehead__title { font-size: 21px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.zg-pagehead__sub { width: 100%; color: var(--sumi-soft); font-size: 13.5px; padding-left: 44px; margin-top: -4px; }

/* ---------- sheet ---------- */
.zg-sheet {
  background: var(--washi);
  border: 1px solid var(--crease);
  border-radius: 4px;
  padding: 20px;
  box-shadow: var(--shadow-sheet);
  display: flex; flex-direction: column; gap: 14px;
}
.zg-h2 { font-size: 20px; font-weight: 700; letter-spacing: -.01em; }
.zg-h3 { font-size: 12px; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; color: var(--sumi-soft); }

/* ---------- buttons ---------- */
.zg-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 18px; border-radius: 3px; border: 1px solid transparent;
  font-size: 13px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase;
  cursor: pointer; text-align: center; line-height: 1.2;
  transition: background-color .18s ease, color .18s ease, transform .12s ease, border-color .18s ease;
}
.zg-btn:active { transform: translateY(1px); }
.zg-btn__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); flex: none; }
.zg-btn--primary { background: var(--verm); color: #fff; }
.zg-btn--primary:hover { background: var(--verm-deep); }
.zg-btn--primary:disabled { opacity: .5; cursor: default; }
.zg-btn--ghost { background: transparent; border-color: var(--verm-ink); color: var(--verm-ink); }
.zg-btn--ghost:hover { background: var(--verm-wash); }
.zg-btn--ghost:disabled { opacity: .5; cursor: default; }
.zg-btn--block { width: 100%; }
.zg-btn--sm { padding: 6px 10px; font-size: 11.5px; letter-spacing: .04em; }
.zg-btn .zg-ic { width: 16px; height: 16px; }

.zg-arrowlink {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: var(--verm-ink);
}
.zg-arrowlink .zg-ic { width: 15px; height: 15px; transition: transform .18s ease; }
.zg-arrowlink:hover .zg-ic { transform: translateX(3px); }

/* ---------- fields ---------- */
.zg-field { display: flex; flex-direction: column; gap: 7px; }
.zg-field__label {
  font-size: 11.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--sumi-soft);
}
.zg-field__opt { font-style: normal; text-transform: none; letter-spacing: 0; color: var(--inkfade); font-weight: 500; }
.zg-field__row { display: flex; gap: 8px; align-items: stretch; }
.zg-field__row .zg-input { flex: 1; }
.zg-field__hint { font-size: 12.5px; color: var(--verm-ink); min-height: 1em; }
.zg-input {
  width: 100%; background: var(--card);
  border: 1px solid var(--crease); border-radius: 3px;
  padding: 11px 12px; font-family: inherit; font-size: 16px; color: var(--sumi);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.zg-input:focus { outline: none; border-color: var(--verm); box-shadow: 0 0 0 3px var(--verm-wash); }
.zg-input::placeholder { color: var(--inkfade); }
.zg-input[readonly] { color: var(--sumi-soft); }
.zg-textarea { resize: vertical; min-height: 96px; line-height: 1.55; }

/* ---------- ledger ---------- */
.zg-ledger { display: flex; flex-direction: column; }
.zg-ledger__row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 9px 0; border-top: 1px solid var(--crease-soft);
}
.zg-ledger__row:first-child { border-top: none; }
.zg-ledger__label { font-size: 13px; color: var(--sumi-soft); }
.zg-ledger__value {
  font-family: var(--num); font-weight: 600; font-size: 14.5px;
  font-variant-numeric: tabular-nums; text-align: right; overflow-wrap: anywhere;
}
.zg-ledger__row--total { border-top: 1px solid var(--crease); padding-top: 12px; }
.zg-ledger__row--total .zg-ledger__value { font-size: 20px; font-weight: 700; color: var(--verm-ink); }
.zg-ledger--big .zg-ledger__value { font-size: 17px; }

/* ---------- fold diagram ---------- */
.zg-diagram { width: 100%; height: auto; display: block; }
.zg-diagram__sheet { fill: var(--verm-bright); stroke: var(--verm-deep); stroke-width: 1; }
.zg-diagram__crease { stroke: rgba(246, 241, 233, .5); stroke-width: 1; fill: none; }
.zg-diagram__used { fill: var(--verm-deep); opacity: .9; }
.zg-diagram__front { stroke: var(--paper); stroke-width: 1.6; }
.zg-diagram__dot { fill: var(--gold); stroke: var(--paper); stroke-width: .8; }
.zg-foldcard--flat .zg-diagram__sheet { fill: var(--washi-deep); stroke: var(--crease); }
.zg-foldcard--flat .zg-diagram__crease { stroke: rgba(26, 26, 26, .12); }
.zg-foldcard--flat .zg-diagram__front { stroke: none; }
.zg-foldcard--flat .zg-diagram__dot { display: none; }

/* ---------- dashboard fold card ---------- */
.zg-foldcard {
  display: flex; flex-direction: column; gap: 22px;
  background: var(--washi); border: 1px solid var(--crease); border-radius: 4px;
  padding: 22px; box-shadow: var(--shadow-sheet);
}
.zg-foldcard__stage { max-width: 264px; width: 100%; margin: 0 auto; }
.zg-foldcard--flat { align-items: center; text-align: center; padding: 40px 24px; }
.zg-foldcard--flat .zg-foldcard__stage { max-width: 180px; }
.zg-foldcard__title { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.zg-foldcard__plan {
  font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--inkfade);
}
.zg-foldcard__remain strong { font-family: var(--num); font-weight: 700; font-size: 34px; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.zg-foldcard__remain span { font-size: 13px; color: var(--sumi-soft); }
.zg-foldcard__expire { font-size: 13px; color: var(--sumi-soft); }
.zg-foldcard__expire.is-expired { color: var(--verm-ink); font-weight: 600; }
.zg-foldcard__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.zg-foldcard__actions .zg-btn { flex: 1 1 auto; }

@media (min-width: 880px) {
  .zg-foldcard { flex-direction: row; align-items: center; gap: 34px; padding: 28px 30px; }
  .zg-foldcard__stage { max-width: 340px; flex: none; margin: 0; }
  .zg-foldcard--flat { flex-direction: column; }
  .zg-foldcard__panel { flex: 1; display: flex; flex-direction: column; gap: 10px; }
  .zg-foldcard__actions { margin-top: 8px; }
  .zg-foldcard__actions .zg-btn { flex: 0 1 auto; }
}
.zg-foldcard__panel { display: flex; flex-direction: column; gap: 8px; }

/* ---------- columns ---------- */
.zg-cols { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 880px) { .zg-cols { grid-template-columns: 1.6fr 1fr; } }

/* ---------- notes / notice ---------- */
.zg-note { display: flex; flex-direction: column; gap: 4px; padding: 12px 0; border-top: 1px solid var(--crease-soft); }
.zg-note:first-of-type { border-top: none; padding-top: 0; }
.zg-note__title { font-size: 14.5px; font-weight: 600; }
.zg-note__date { font-family: var(--num); font-size: 11.5px; color: var(--inkfade); }
.zg-note__body { font-size: 13px; color: var(--sumi-soft); }

/* ---------- generic list rows ---------- */
.zg-planlist, .zg-orderlist, .zg-snilist, .zg-trafficlist, .zg-knlist, .zg-morelist, .zg-ticketlist { display: flex; flex-direction: column; }
.zg-planrow, .zg-orderrow, .zg-knrow, .zg-morerow, .zg-ticketrow {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 6px; border-top: 1px solid var(--crease-soft);
  color: var(--sumi);
}
.zg-planlist > :first-child, .zg-orderlist > :first-child, .zg-knlist > :first-child, .zg-morelist > :first-child, .zg-ticketlist > :first-child { border-top: none; }
.zg-planrow:hover, .zg-orderrow:hover, .zg-knrow:hover, .zg-morerow:hover, .zg-ticketrow:hover { background: rgba(251, 247, 240, .7); }
.zg-planrow__no, .zg-knrow__no, .zg-morerow__no {
  font-family: var(--num); font-size: 12px; font-weight: 600; color: var(--inkfade); font-variant-numeric: tabular-nums;
}
.zg-planrow__body { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.zg-planrow__name { font-size: 15.5px; font-weight: 600; }
.zg-planrow__specs { font-size: 12.5px; color: var(--sumi-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zg-planrow__price { font-family: var(--num); font-weight: 700; font-size: 17px; font-variant-numeric: tabular-nums; color: var(--verm-ink); }
.zg-planrow__go, .zg-knrow .zg-ic, .zg-morerow .zg-ic, .zg-ticketrow .zg-ic { color: var(--inkfade); width: 16px; height: 16px; flex: none; }

.zg-orderrow { flex-wrap: wrap; justify-content: space-between; }
.zg-orderrow__main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.zg-orderrow__plan { font-size: 15px; font-weight: 600; }
.zg-orderrow__meta { font-size: 12px; color: var(--sumi-soft); }
.zg-orderrow__side { display: flex; align-items: center; gap: 12px; }
.zg-orderrow__amount { font-family: var(--num); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- stamp ---------- */
.zg-stamp {
  display: inline-block; padding: 4px 8px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  border: 1.5px solid currentColor; border-radius: 2px; transform: rotate(-1.5deg);
  white-space: nowrap;
}
.zg-stamp--verm { color: var(--verm-ink); }
.zg-stamp--ink { color: var(--sumi-soft); }
.zg-stamp--fade { color: var(--inkfade); }
.zg-stamp--done { color: var(--paper); background: var(--sumi); border-color: var(--sumi); }

/* ---------- steps ---------- */
.zg-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.zg-steps__item {
  display: grid; grid-template-columns: 30px 16px 1fr; align-items: center; gap: 10px;
  padding: 12px 4px; border-top: 1px solid var(--crease-soft);
}
.zg-steps__item:first-child { border-top: none; }
.zg-steps__no { font-family: var(--num); font-size: 11.5px; font-weight: 600; color: var(--inkfade); font-variant-numeric: tabular-nums; }
.zg-steps__dot {
  width: 8px; height: 8px; border-radius: 50%; justify-self: center;
  border: 1.5px solid var(--inkfade); background: transparent;
}
.zg-steps__item--done .zg-steps__dot { background: var(--sumi-soft); border-color: var(--sumi-soft); }
.zg-steps__item--now { background: rgba(251, 247, 240, .8); }
.zg-steps__item--now .zg-steps__dot { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212, 175, 55, .25); }
.zg-steps__item--now .zg-steps__no { color: var(--verm-ink); }
.zg-steps__body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.zg-steps__label { font-size: 14px; font-weight: 600; color: var(--sumi); }
.zg-steps__sub { font-size: 12.5px; color: var(--sumi-soft); }
.zg-steps--period .zg-steps__item { display: block; padding: 0; border-top: none; }
.zg-steps__pick { 
  display: grid; grid-template-columns: 30px 16px minmax(0, 1fr) auto; align-items: center; gap: 10px;
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 13px 8px; border-top: 1px solid var(--crease-soft); font-family: inherit;
}
.zg-steps__pick .zg-steps__label { white-space: nowrap; }
.zg-steps--period .zg-steps__item:first-child .zg-steps__pick { border-top: none; }
.zg-steps__pick:hover { background: rgba(251, 247, 240, .8); }
.zg-steps__pick .zg-steps__price { font-family: var(--num); font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; color: var(--sumi-soft); }
.zg-steps__item--now .zg-steps__pick .zg-steps__price { color: var(--verm-ink); }

/* ---------- buy layout ---------- */
.zg-buygrid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 880px) { .zg-buygrid { grid-template-columns: 1.5fr 1fr; align-items: start; } }
.zg-buypanel { display: flex; flex-direction: column; gap: 14px; }

/* ---------- SNI ---------- */
.zg-snirow {
  display: grid; grid-template-columns: 30px 16px 1fr auto; align-items: center; gap: 10px;
  padding: 13px 6px; border-top: 1px solid var(--crease-soft);
}
.zg-snilist > :first-child { border-top: none; }
.zg-snirow__no { font-family: var(--num); font-size: 11.5px; font-weight: 600; color: var(--inkfade); }
.zg-snirow__dot { width: 8px; height: 8px; border-radius: 50%; justify-self: center; border: 1.5px solid var(--inkfade); }
.zg-snirow.is-now .zg-snirow__dot { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212, 175, 55, .25); }
.zg-snirow__body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.zg-snirow__name { font-size: 14.5px; font-weight: 600; }
.zg-snirow__host { font-size: 12.5px; color: var(--sumi-soft); overflow-wrap: anywhere; }

/* ---------- traffic ---------- */
.zg-trafficrow {
  display: grid; grid-template-columns: 30px 76px 1fr auto; align-items: center; gap: 12px;
  padding: 11px 6px; border-top: 1px solid var(--crease-soft);
}
.zg-trafficlist > :first-child { border-top: none; }
.zg-trafficrow__no { font-family: var(--num); font-size: 11.5px; font-weight: 600; color: var(--inkfade); }
.zg-trafficrow__date { font-size: 12.5px; color: var(--sumi-soft); white-space: nowrap; }
.zg-trafficrow__bar { height: 6px; background: var(--crease-soft); border-radius: 1px; overflow: hidden; }
.zg-trafficrow__bar span { display: block; height: 100%; background: var(--verm); }
.zg-trafficrow__nums { display: flex; gap: 14px; font-family: var(--num); font-size: 12px; color: var(--sumi-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
.zg-trafficrow__nums strong { color: var(--sumi); font-weight: 700; }
.zg-sheet--sum .zg-ledger__value { font-size: 15px; }

/* ---------- invite ---------- */
.zg-inviterow {
  display: grid; grid-template-columns: 30px 1fr auto auto; align-items: baseline; gap: 12px;
  padding: 11px 4px; border-top: 1px solid var(--crease-soft);
}
.zg-inviterow:first-of-type { border-top: none; }
.zg-inviterow__no { font-family: var(--num); font-size: 11.5px; font-weight: 600; color: var(--inkfade); }
.zg-inviterow__mark { font-size: 13.5px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zg-inviterow__when { font-size: 12px; color: var(--inkfade); white-space: nowrap; }
.zg-inviterow__amt { font-family: var(--num); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- tickets ---------- */
.zg-ticketrow { justify-content: flex-start; }
.zg-ticketrow__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); flex: none; }
.zg-ticketrow.is-closed .zg-ticketrow__dot { background: transparent; border: 1.5px solid var(--inkfade); }
.zg-ticketrow__body { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.zg-ticketrow__subject { font-size: 14.5px; font-weight: 600; }
.zg-ticketrow.is-closed .zg-ticketrow__subject { color: var(--sumi-soft); }
.zg-ticketrow__meta { font-size: 12px; color: var(--inkfade); }
.zg-msglist { display: flex; flex-direction: column; gap: 10px; }
.zg-msg { max-width: 82%; background: var(--card); border: 1px solid var(--crease-soft); border-radius: 4px; padding: 10px 13px; display: flex; flex-direction: column; gap: 3px; }
.zg-msg--me { align-self: flex-end; background: var(--washi-deep); }
.zg-msg__who { font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--inkfade); }
.zg-msg__text { font-size: 14px; line-height: 1.55; overflow-wrap: anywhere; }
.zg-msg__when { font-family: var(--num); font-size: 11px; color: var(--inkfade); }

/* ---------- tabs / knowledge ---------- */
.zg-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.zg-tab {
  padding: 7px 13px; font-size: 12.5px; font-weight: 600; letter-spacing: .04em;
  color: var(--sumi-soft); border: 1px solid var(--crease); border-radius: 3px; background: transparent;
}
.zg-tab.is-now { color: var(--verm-ink); border-color: var(--verm-ink); background: rgba(251, 247, 240, .8); }
.zg-knrow__title { flex: 1; font-size: 14.5px; font-weight: 600; min-width: 0; }
.zg-article { font-size: 14.5px; line-height: 1.75; max-width: 68ch; }
.zg-article h1, .zg-article h2, .zg-article h3 { line-height: 1.35; margin: 18px 0 8px; }
.zg-article h1 { font-size: 20px; } .zg-article h2 { font-size: 17px; } .zg-article h3 { font-size: 15px; }
.zg-article p { margin: 0 0 10px; }
.zg-article a { text-decoration: underline; }
.zg-article img { border: 1px solid var(--crease); border-radius: 4px; }
.zg-article ul, .zg-article ol { padding-left: 22px; margin: 0 0 10px; }
.zg-article code { font-family: ui-monospace, 'Cascadia Mono', Consolas, Menlo, monospace; background: var(--card); border: 1px solid var(--crease-soft); padding: 1px 5px; border-radius: 3px; font-size: 13px; }

/* ---------- methods (radio) ---------- */
.zg-methods { border: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.zg-methods legend { margin-bottom: 10px; padding: 0; }
.zg-method {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 11px 12px; background: var(--card); border: 1px solid var(--crease); border-radius: 3px;
  font-size: 14px; font-weight: 500;
}
.zg-method:hover { border-color: var(--inkfade); }
.zg-method input { position: absolute; opacity: 0; pointer-events: none; }
.zg-method__dot { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--inkfade); flex: none; position: relative; }
.zg-method input:checked + .zg-method__dot { border-color: var(--verm-ink); }
.zg-method input:checked + .zg-method__dot::after {
  content: ''; position: absolute; inset: 2.5px; border-radius: 50%; background: var(--verm);
}
.zg-method input:checked ~ span:last-child { font-weight: 600; }
.zg-method input:focus-visible + .zg-method__dot { outline: 2px solid var(--verm); outline-offset: 2px; }

/* ---------- more / profile ---------- */
.zg-morerow__ic { display: flex; color: var(--verm-ink); }
.zg-morerow__ic .zg-ic { width: 18px; height: 18px; }
.zg-morerow__label { flex: 1; font-size: 14px; font-weight: 600; }
.zg-profgrid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 880px) { .zg-profgrid { grid-template-columns: 1fr 1fr; align-items: start; } }
.zg-balance { margin-top: 4px; }

/* ---------- banner / empty / loading / mock ---------- */
.zg-banner {
  background: var(--verm-wash); border: 1px solid rgba(201, 53, 39, .35);
  color: var(--verm-deep); padding: 11px 14px; border-radius: 4px;
  font-size: 13.5px; font-weight: 600;
}
.zg-empty { padding: 52px 20px; text-align: center; display: flex; flex-direction: column; gap: 14px; align-items: center; }
.zg-empty__msg { color: var(--sumi-soft); font-size: 14.5px; }
.zg-loading { padding: 64px 20px; text-align: center; color: var(--inkfade); font-size: 13.5px; letter-spacing: .08em; text-transform: uppercase; }
@keyframes zgPulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
.zg-loading { animation: zgPulse 1.4s ease-in-out infinite; }
.zg-mocktag {
  align-self: flex-start; font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--verm-deep); border: 1px dashed rgba(201, 53, 39, .5); border-radius: 3px; padding: 4px 8px;
}

/* ---------- modal ---------- */
.zg-modal {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(26, 26, 26, .45);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; transition: opacity .2s ease;
}
.zg-modal.is-in { opacity: 1; }
.zg-modal__sheet {
  background: var(--paper); border: 1px solid var(--crease); border-radius: 6px;
  box-shadow: var(--shadow-desk);
  width: min(380px, 100%); padding: 22px;
  transform: translateY(6px); transition: transform .2s ease;
}
.zg-modal.is-in .zg-modal__sheet { transform: none; }
.zg-modal__msg { font-size: 14.5px; line-height: 1.55; }
.zg-modal__row { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ---------- toast ---------- */
#zg-toast-region { position: fixed; left: 0; right: 0; bottom: calc(78px + env(safe-area-inset-bottom)); z-index: 90; display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none; }
@media (min-width: 960px) { #zg-toast-region { bottom: 28px; } }
.zg-toast {
  background: var(--sumi); color: var(--paper);
  padding: 10px 16px; border-radius: 4px; font-size: 13.5px;
  box-shadow: var(--shadow-desk);
  opacity: 0; transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease;
  max-width: min(420px, calc(100vw - 32px)); text-align: center;
}
.zg-toast.is-in { opacity: 1; transform: none; }
.zg-toast--err { background: var(--verm-deep); }

/* ---------- auth ---------- */
.zg-auth { min-height: 100dvh; display: grid; place-items: center; padding: 28px 18px; }
.zg-auth__wrap { width: min(430px, 100%); position: relative; }
.zg-auth__deco { width: 84px; margin: 0 -14px -30px auto; position: relative; z-index: 2; transform: rotate(6deg); filter: drop-shadow(0 4px 10px rgba(26, 26, 26, .18)); }
.zg-auth__deco .zg-diagram__used, .zg-auth__deco .zg-diagram__front { display: none; }
.zg-sheet--auth {
  background: var(--washi); border: 1px solid var(--crease); border-radius: 4px;
  padding: 30px 26px; box-shadow: var(--shadow-desk);
  display: flex; flex-direction: column; gap: 16px;
}
.zg-auth__head { display: flex; flex-direction: column; gap: 6px; }
.zg-auth__step { font-family: var(--num); font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--verm-ink); }
.zg-auth__title { font-size: 23px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.zg-auth__desc { font-size: 13.5px; color: var(--sumi-soft); }
.zg-auth__links { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--sumi-soft); }
.zg-auth__links a { font-weight: 600; }
.zg-auth__tagline { margin-top: 16px; text-align: center; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--inkfade); }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .zg-anim .zg-main, .zg-anim .zg-auth__wrap { animation: none; }
}