/* ═══════════════════════════════════════════════════════════════════
   Rumble Brawl Shop — Telegram Mini App

   Monochrome: black chrome (header + tab bar + buttons) on a white page,
   colour only where the goods themselves are. The gem artwork ships as
   cut-out PNGs with a real alpha channel, so it sits directly on white —
   no blend modes, no dark tiles.
   ═══════════════════════════════════════════════════════════════════ */

:root{
  --ink:    #0B0B0C;   /* text + all black chrome */
  --bg:     #FFFFFF;
  --card:   #FFFFFF;
  --line:   #E4E6EA;
  --line-2: #EFF1F3;
  --muted:  #6B7280;
  --accent: #22C55E;   /* active tab + confirmations only */
  --danger: #DC2626;

  --r-lg: 18px;
  --r-md: 13px;

  --tabbar: 66px;
}

*,*::before,*::after{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

button{ font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
img{ max-width: 100%; display: block; }

/* ═══════════════════ HEADER ═══════════════════ */

.topbar{
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 12px;
  padding: calc(11px + env(safe-area-inset-top)) 16px 11px;
  background: var(--ink);
}

.brand{ display: flex; align-items: center; gap: 9px; min-width: 0; }
.mark{ width: 27px; height: 27px; flex: none; }

/* Plain white type, no italic and no background-clip: the clipped descender on
   the last letter came from clipping a gradient to slanted glyphs. */
.word{
  color: #fff; font-weight: 900; font-size: 19px;
  letter-spacing: .2px; white-space: nowrap;
}
.word em{ font-style: normal; margin-left: 6px; }

.langs{
  display: flex; margin-left: auto; flex: none; gap: 6px;
}
.lang{
  padding: 5px 13px; border-radius: 8px;
  border: 1.5px solid rgba(255,255,255,.45);
  font-size: 12.5px; font-weight: 800; letter-spacing: .5px; color: #fff;
  transition: background .15s, color .15s, border-color .15s;
}
.lang.is-on{ background: #fff; color: var(--ink); border-color: #fff; }

/* ═══════════════════ LAYOUT ═══════════════════ */

#main{
  padding: 16px 16px calc(var(--tabbar) + 26px + env(safe-area-inset-bottom));
  max-width: 620px; margin: 0 auto;
}

.view{ display: none; animation: rise .24s ease both; }
.view.is-on{ display: block; }
@keyframes rise{ from{ opacity:0; transform: translateY(6px);} to{ opacity:1; transform:none; } }

.section{
  margin: 22px 0 12px; font-size: 32px; font-weight: 900;
  letter-spacing: -1.1px; line-height: 1.08;
}
.section:first-of-type{ margin-top: 4px; }

.lead{ margin: 0 0 16px; color: var(--muted); font-size: 13.5px; }

.fineprint{
  margin: 22px 2px 0; color: #9AA1AB; font-size: 11.5px; line-height: 1.5; text-align: center;
}

/* ═══════════════════ PREMIUM CARD ═══════════════════ */

.premium{
  padding: 16px;
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(11,11,12,.05);
}
.premium .chip{
  display: inline-flex; align-items: center;
  padding: 4px 10px; border-radius: 7px;
  background: var(--ink); color: #fff;
  font-size: 11.5px; font-weight: 800;
}
.premium h3{
  margin: 11px 0 6px; font-size: 26px; font-weight: 800; letter-spacing: -.7px;
}
.premium p{ margin: 0 0 14px; color: var(--muted); font-size: 14px; }

/* ═══════════════════ GEM GRID ═══════════════════ */

.grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.card{
  position: relative; display: flex; flex-direction: column;
  padding: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: 0 1px 2px rgba(11,11,12,.05);
  transition: transform .12s ease;
}
.card:active{ transform: scale(.985); }

.art{
  height: 92px; margin: 2px 0 8px;
  display: grid; place-items: center;
}
.art img{ max-height: 100%; width: auto; }

.amount{ font-size: 22px; font-weight: 800; letter-spacing: -.6px; line-height: 1.1; }
.incl{ margin: 5px 0 10px; color: var(--muted); font-size: 12.5px; flex: 1 0 auto; }

.badge{
  position: absolute; top: 11px; right: 11px; z-index: 2;
  padding: 3px 8px; border-radius: 6px;
  background: var(--ink); color: #fff;
  font-size: 11px; font-weight: 800;
}

.price{ display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.eur{ font-size: 17px; font-weight: 800; letter-spacing: -.3px; }
.str{ font-size: 12.5px; color: var(--muted); font-weight: 600; white-space: nowrap; }

/* ═══════════════════ BUTTONS ═══════════════════ */

.btn{
  width: 100%; padding: 12px 14px; border-radius: 10px;
  font-size: 14.5px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform .12s ease, opacity .15s;
}
.btn:active{ transform: scale(.97); }
.btn[disabled]{ opacity: .35; pointer-events: none; }

.btn-buy, .btn-gold{ background: var(--ink); color: #fff; }
.btn-ghost{ background: #fff; border: 1px solid var(--line); color: var(--ink); }

/* ═══════════════════ TAB BAR ═══════════════════ */

.tabbar{
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-template-columns: repeat(3, 1fr);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  background: var(--ink);
}
.tab{
  position: relative;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 5px 4px;
  color: rgba(255,255,255,.72); font-size: 11px; font-weight: 600;
  transition: color .16s ease;
}
.tab svg{
  width: 22px; height: 22px; fill: none;
  stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.tab.is-on{ color: var(--accent); font-weight: 700; }
.tab .dot{
  position: absolute; top: 3px; right: 50%; margin-right: -18px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 2px var(--ink);
}

/* ═══════════════════ SHEET ═══════════════════ */

.scrim{
  position: fixed; inset: 0; z-index: 50;
  background: rgba(11,11,12,.42);
  animation: fade .2s ease both;
}
@keyframes fade{ from{opacity:0} to{opacity:1} }

.sheet{
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 51;
  max-height: 92dvh; display: flex; flex-direction: column;
  background: #fff;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -10px 40px -14px rgba(11,11,12,.35);
  animation: slide .28s cubic-bezier(.22,1,.36,1) both;
}
/* display:flex above outweighs the UA rule for [hidden], so the sheet needs its
   own hide rule — without it the purchase sheet is permanently on screen. */
.sheet[hidden]{ display: none; }
@keyframes slide{ from{ transform: translateY(100%);} to{ transform:none; } }

.sheet-grip{
  width: 38px; height: 4px; border-radius: 99px; background: #D7DBE0;
  margin: 9px auto 2px; flex: none;
}

.sheet-head{ display: flex; align-items: center; gap: 8px; padding: 6px 14px 2px; flex: none; }
.sheet-title{ flex: 1; font-size: 17px; font-weight: 800; letter-spacing: -.3px; text-align: center; }
.sheet-back, .sheet-close{
  width: 32px; height: 32px; flex: none; border-radius: 50%;
  display: grid; place-items: center; background: #F2F4F6;
}
.sheet-back[hidden]{ display: none; }
.sheet-back svg, .sheet-close svg{
  width: 17px; height: 17px; fill: none; stroke: var(--ink);
  stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round;
}

.steps{ display: flex; gap: 5px; justify-content: center; padding: 10px 0 4px; flex: none; }
.step{ width: 26px; height: 3px; border-radius: 99px; background: #E4E6EA; transition: background .2s; }
.step.is-on{ background: var(--ink); }

.sheet-body{
  padding: 8px 18px calc(20px + env(safe-area-inset-bottom));
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  min-height: 0;   /* a flex item defaults to min-height:auto and would refuse to shrink */
}

/* ---- sheet content pieces ---- */

.sb-summary{
  display: flex; align-items: center; gap: 11px;
  padding: 10px; margin-bottom: 16px;
  background: #F7F8F9; border-radius: var(--r-md);
}
.sb-summary .thumb{
  width: 48px; height: 48px; flex: none; border-radius: 10px;
  display: grid; place-items: center; overflow: hidden; font-size: 20px;
}
.sb-summary .thumb img{ max-height: 100%; width: auto; }
.sb-summary b{ display: block; font-size: 14.5px; font-weight: 800; }
.sb-summary span{ font-size: 12px; color: var(--muted); }
.sb-summary .tally{ margin-left: auto; text-align: right; flex: none; }
.sb-summary .tally b{ font-size: 15px; }

.sb-label{ font-size: 11.5px; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; margin-bottom: 6px; }
.sb-help{ margin: 0 0 12px; font-size: 12.5px; color: var(--muted); line-height: 1.5; }

.field{
  width: 100%; padding: 13px 14px; border-radius: 10px;
  background: #fff; border: 1.5px solid var(--line); color: var(--ink);
  font-size: 16px; font-weight: 700; letter-spacing: .5px; outline: none;
  transition: border-color .16s, box-shadow .16s;
}
.field::placeholder{ color: #AEB4BC; font-weight: 500; letter-spacing: 0; }
.field:focus{ border-color: var(--ink); }
.field.bad{ border-color: var(--danger); }

.note{ margin: 8px 0 0; font-size: 12.5px; min-height: 18px; }
.note.ok{ color: var(--accent); }
.note.bad{ color: var(--danger); }
.note.busy{ color: var(--muted); }

.found{
  display: flex; align-items: center; gap: 10px; margin-top: 10px;
  padding: 11px 12px; border-radius: 10px;
  background: #F1FAF3; border: 1px solid #C6EBD1;
}
.found .tick{
  width: 26px; height: 26px; flex: none; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 14px;
}
.found b{ font-size: 14px; }
.found span{ display: block; font-size: 11.5px; color: var(--muted); }

.pay{
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left;
  padding: 13px 14px; margin-bottom: 9px; border-radius: var(--r-md);
  background: #fff; border: 1.5px solid var(--line);
  transition: border-color .16s, transform .12s;
}
.pay:active{ transform: scale(.985); }
.pay .ico{ font-size: 21px; width: 26px; text-align: center; flex: none; }
.pay b{ display: block; font-size: 14.5px; font-weight: 800; }
.pay span{ font-size: 11.5px; color: var(--muted); }
.pay .go{ margin-left: auto; color: #C2C7CE; font-size: 19px; flex: none; }
.pay.is-on{ border-color: var(--ink); }

.steps-list{ margin: 0 0 16px; padding: 0; list-style: none; counter-reset: s; }
.steps-list li{
  position: relative; padding: 0 0 14px 30px; counter-increment: s;
  font-size: 13.5px; line-height: 1.5;
}
.steps-list li::before{
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 21px; height: 21px; border-radius: 50%;
  background: var(--ink); color: #fff; font-size: 11px; font-weight: 800;
  display: grid; place-items: center;
}
.steps-list li:not(:last-child)::after{
  content: ""; position: absolute; left: 10px; top: 24px; bottom: 4px; width: 1px;
  background: var(--line);
}

.copy{
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 11px 12px; margin: 6px 0 2px; border-radius: 10px;
  background: #F7F8F9; border: 1px dashed #CBD0D6; text-align: left;
}
.copy code{
  flex: 1; min-width: 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px; color: var(--ink); word-break: break-all; line-height: 1.4;
}
.copy .cp{ flex: none; font-size: 11px; font-weight: 800; color: var(--muted); }

.result-ico{
  width: 60px; height: 60px; margin: 6px auto 14px; border-radius: 50%;
  display: grid; place-items: center; font-size: 28px; background: #F1FAF3;
}
.result-ico.wait{ background: #FFF7E6; }
.result-h{ text-align: center; font-size: 21px; font-weight: 800; letter-spacing: -.5px; margin: 0 0 8px; }
.result-p{ text-align: center; color: var(--muted); font-size: 13.5px; margin: 0 0 18px; }

/* ═══════════════════ RECEIPTS ═══════════════════ */

.receipt{
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; margin-bottom: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
}
.receipt .thumb{
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center; overflow: hidden; font-size: 18px;
}
.receipt .thumb img{ max-height: 100%; width: auto; }
.receipt .txt{ min-width: 0; flex: 1; }
.receipt b{ display: block; font-size: 14px; font-weight: 800; }
.receipt span{ font-size: 11.5px; color: var(--muted); }
.receipt .rside{ margin-left: auto; text-align: right; flex: none; }

.pill{
  display: inline-block; padding: 3px 9px; border-radius: 6px;
  font-size: 10.5px; font-weight: 800; letter-spacing: .3px; text-transform: uppercase;
}
.pill.done{ background: #E8F7ED; color: #15803D; }
.pill.wait{ background: #FFF4E0; color: #B45309; }
.pill.no  { background: #FDECEC; color: var(--danger); }

.empty{
  padding: 40px 20px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--r-lg);
}
.empty .big{ font-size: 32px; margin-bottom: 8px; }

/* ═══════════════════ MISC ═══════════════════ */

.toast{
  position: fixed; left: 50%; bottom: calc(var(--tabbar) + 22px); z-index: 90;
  transform: translateX(-50%);
  padding: 9px 16px; border-radius: 999px;
  background: var(--ink); color: #fff;
  font-size: 12.5px; font-weight: 600; white-space: nowrap;
  animation: pop .2s ease both;
}
@keyframes pop{ from{ opacity:0; transform: translate(-50%, 8px);} to{ opacity:1; transform: translate(-50%,0);} }

.skeleton{
  height: 170px; border-radius: var(--r-lg);
  background: linear-gradient(100deg, #F2F4F6 30%, #E9ECEF 50%, #F2F4F6 70%);
  background-size: 220% 100%;
  animation: shine 1.3s linear infinite;
}
@keyframes shine{ to{ background-position: -120% 0; } }

.gate{ padding: 60px 26px; text-align: center; }
.gate .big{ font-size: 40px; margin-bottom: 12px; }
.gate h1{ font-size: 21px; font-weight: 800; margin: 0 0 8px; }
.gate p{ color: var(--muted); font-size: 14px; margin: 0; }

@media (min-width: 480px){
  .grid{ grid-template-columns: repeat(3, 1fr); }
  .section{ font-size: 36px; }
}