/* Layout: одна колонка под телефон. Сверху — две крупные кнопки по центру (матовая шапка),
   ниже — сетка стикеров по 3 в ряд, выровненная по центру. Карточка артикула — нижняя шторка.
   Три оформления (data-skin на <html>): pearl — светлый перламутр, graphite — тёмный, silk — пастельное стекло. */
:root {
  --font-ui: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-code: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r: 12px;
  --sticker-ink: #1A1F2B;          /* текст на пастельных стикерах — во всех оформлениях */
  --badge-1: #34C47C; --badge-2: #1C9A59;

  /* «Жемчуг» — по умолчанию */
  --bg: #F3F4F7;
  --bg-paint:
    radial-gradient(1100px 520px at 0% -10%, #E7EBF7 0%, transparent 60%),
    radial-gradient(900px 480px at 110% 0%, #F5EAF0 0%, transparent 55%),
    linear-gradient(180deg, #F8F9FB 0%, #EEF0F4 100%);
  --surface: #FFFFFF;
  --surface-2: #F3F5F9;
  --sheet: #FFFFFF;
  --ink: #161A23;
  --muted: #6B7383;
  --line: #E2E6ED;
  --header-bg: rgba(248, 249, 251, .72);
  --scrim: rgba(18, 22, 30, .38);
  --cta-1: #34405F; --cta-2: #161C2C; --cta-ink: #FFFFFF; --cta-glow: rgba(22, 28, 44, .35);
  --ok-1: #3CC17D; --ok-2: #1E9257; --ok-glow: rgba(30, 146, 87, .38);
  --bad-1: #F2605F; --bad-2: #CF3439; --bad-glow: rgba(207, 52, 57, .36);
  --btn-1: #FFFFFF; --btn-2: #F1F3F7; --btn-ink: #1C2230; --btn-edge: rgba(20, 26, 40, .08);
  --sh-1: 0 1px 2px rgba(20, 26, 40, .06), 0 6px 18px rgba(20, 26, 40, .08);
  --sh-2: 0 2px 6px rgba(20, 26, 40, .06), 0 18px 40px rgba(20, 26, 40, .14);
  --warn: #B4511F;
}
:root[data-skin="graphite"] {
  --bg: #0F1217;
  --bg-paint:
    radial-gradient(900px 520px at 50% -18%, #28324A 0%, transparent 62%),
    radial-gradient(700px 400px at 100% 100%, #1C2433 0%, transparent 60%),
    linear-gradient(180deg, #151A22 0%, #0D1015 100%);
  --surface: #1A1F28;
  --surface-2: #232A35;
  --sheet: #171C24;
  --ink: #EEF1F6;
  --muted: #98A2B3;
  --line: #2B3341;
  --header-bg: rgba(15, 18, 23, .62);
  --scrim: rgba(0, 0, 0, .55);
  --cta-1: #FFFFFF; --cta-2: #D7DEEA; --cta-ink: #10141B; --cta-glow: rgba(215, 222, 234, .18);
  --ok-1: #46D68C; --ok-2: #22A463; --ok-glow: rgba(70, 214, 140, .30);
  --bad-1: #FF6B6B; --bad-2: #D9383E; --bad-glow: rgba(255, 107, 107, .28);
  --btn-1: #262D39; --btn-2: #1D232D; --btn-ink: #EEF1F6; --btn-edge: rgba(255, 255, 255, .07);
  --sh-1: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 22px rgba(0, 0, 0, .35);
  --sh-2: 0 2px 8px rgba(0, 0, 0, .45), 0 24px 50px rgba(0, 0, 0, .5);
  --warn: #F0A070;
  color-scheme: dark;
}
:root[data-skin="silk"] {
  --bg: #EEF0F8;
  --bg-paint:
    radial-gradient(520px 420px at -5% 5%, #FFD7E3 0%, transparent 65%),
    radial-gradient(560px 460px at 105% 15%, #D3E4FF 0%, transparent 65%),
    radial-gradient(640px 480px at 40% 105%, #D9F3E6 0%, transparent 65%),
    radial-gradient(420px 360px at 85% 70%, #EADCFF 0%, transparent 60%),
    linear-gradient(180deg, #F7F5FB 0%, #EEF1F8 100%);
  --surface: rgba(255, 255, 255, .7);
  --surface-2: rgba(255, 255, 255, .55);
  --sheet: rgba(255, 255, 255, .86);
  --ink: #1B1E2E;
  --muted: #646B82;
  --line: rgba(120, 128, 160, .2);
  --header-bg: rgba(255, 255, 255, .42);
  --scrim: rgba(40, 36, 70, .28);
  --cta-1: #7B83FF; --cta-2: #9D6BF2; --cta-ink: #FFFFFF; --cta-glow: rgba(123, 110, 250, .42);
  --ok-1: #4CD28E; --ok-2: #22A866; --ok-glow: rgba(34, 168, 102, .36);
  --bad-1: #FF7A86; --bad-2: #EE4A63; --bad-glow: rgba(238, 74, 99, .36);
  --btn-1: rgba(255, 255, 255, .85); --btn-2: rgba(255, 255, 255, .6); --btn-ink: #1B1E2E; --btn-edge: rgba(255, 255, 255, .9);
  --sh-1: 0 1px 2px rgba(60, 50, 120, .06), 0 8px 24px rgba(60, 50, 120, .10);
  --sh-2: 0 2px 6px rgba(60, 50, 120, .08), 0 24px 50px rgba(60, 50, 120, .18);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font-variant-numeric: tabular-nums;
  background: var(--bg); color: var(--ink); font: 15px/1.4 var(--font-ui);
  min-height: 100vh; overscroll-behavior-y: contain;
}
.backdrop { position: fixed; inset: 0; z-index: -1; background: var(--bg-paint); pointer-events: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--cta-1); outline-offset: 2px; }

/* ---------- шапка: две крупные кнопки ---------- */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  padding: 14px 16px; display: flex; justify-content: center; gap: 12px;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.hbtn {
  flex: 1 1 0; max-width: 230px; min-height: 58px; padding: 8px 14px; border-radius: 18px; border: 0;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 16px; font-weight: 700; line-height: 1.15; letter-spacing: -.005em; text-align: center;
  transition: transform .1s, box-shadow .2s, background .2s;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
.hbtn svg { width: 22px; height: 22px; flex: none; }
.hbtn:active { transform: scale(.97); }
.hbtn.test {
  color: var(--btn-ink); background: linear-gradient(180deg, var(--btn-1), var(--btn-2));
  box-shadow: inset 0 0 0 1px var(--btn-edge), var(--sh-1);
}
.hbtn.pr { color: #fff; }
.hbtn.pr.off { background: linear-gradient(180deg, var(--bad-1), var(--bad-2)); box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 8px 22px -6px var(--bad-glow); }
.hbtn.pr.on { background: linear-gradient(180deg, var(--ok-1), var(--ok-2)); box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 8px 22px -6px var(--ok-glow); }
.hbtn.pr.busy svg { animation: pulse 1s infinite; }
.hbtn.pr.na { color: var(--btn-ink); background: linear-gradient(180deg, var(--btn-1), var(--btn-2)); box-shadow: inset 0 0 0 1px var(--btn-edge), var(--sh-1); }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- стикеры ---------- */
main { padding: 14px 16px 60px; display: grid; gap: 22px; }
.group { display: grid; gap: 14px; }
.group-h { display: flex; align-items: center; gap: 12px; color: var(--muted); font: 600 12px/1 var(--font-code); letter-spacing: .06em; }
.group-h::before, .group-h::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--line) 30%, var(--line) 70%, transparent); }
.group-h span { white-space: nowrap; }
.grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 12px; width: 100%; max-width: 560px; margin: 0 auto; }
.sticker { white-space: nowrap; }
.sticker {
  position: relative; flex: 0 0 calc((100% - 24px) / 3); height: 66px; border: 0; border-radius: 15px;
  color: var(--sticker-ink); font: 700 17px/1 var(--font-code); letter-spacing: .01em;
  display: grid; place-items: center; padding: 0 6px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 55%, #fff) 0%, var(--c) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .85),
    inset 0 -1px 0 rgba(0, 0, 0, .05),
    0 1px 2px rgba(20, 26, 40, .08),
    0 10px 20px -10px color-mix(in srgb, var(--c) 70%, #1a1f2b 45%);
  transition: transform .1s, box-shadow .2s;
}
.sticker:active { transform: translateY(1px) scale(.97); }
:root[data-skin="graphite"] .sticker {
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 82%, #fff) 0%, color-mix(in srgb, var(--c) 92%, #000) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55), 0 2px 4px rgba(0, 0, 0, .35), 0 12px 26px -12px color-mix(in srgb, var(--c) 70%, transparent);
}
:root[data-skin="silk"] .sticker {
  background:
    linear-gradient(150deg, rgba(255, 255, 255, .85) 0%, color-mix(in srgb, var(--c) 70%, rgba(255, 255, 255, .6)) 45%, var(--c) 100%);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .95), inset 0 -3px 0 color-mix(in srgb, var(--c) 90%, #000 8%), 0 10px 24px -10px rgba(60, 50, 120, .28);
}
.sticker .n {
  position: absolute; top: -8px; right: -6px; min-width: 25px; height: 25px; padding: 0 7px; border-radius: 13px;
  display: grid; place-items: center; color: #fff; font: 700 13px/1 var(--font-ui);
  background: linear-gradient(180deg, var(--badge-1), var(--badge-2));
  box-shadow: 0 0 0 2.5px var(--bg), 0 3px 8px rgba(28, 154, 89, .45);
}
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

/* ---------- шторки ---------- */
.scrim { position: fixed; inset: 0; background: var(--scrim); z-index: 20; opacity: 0; transition: opacity .18s; -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.scrim.show { opacity: 1; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 21; max-height: 92%;
  background: var(--sheet); border-radius: 24px 24px 0 0; display: flex; flex-direction: column;
  -webkit-backdrop-filter: blur(24px) saturate(150%); backdrop-filter: blur(24px) saturate(150%);
  box-shadow: 0 -1px 0 var(--line), 0 -20px 50px rgba(0, 0, 0, .12);
  transform: translateY(100%); transition: transform .24s cubic-bezier(.2,.8,.2,1);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  max-width: 560px; margin: 0 auto;
}
.sheet.show { transform: none; }
.sheet-body { overflow-y: auto; padding: 6px 18px 18px; display: grid; gap: 20px; }
.grab { width: 42px; height: 5px; border-radius: 3px; background: var(--line); margin: 9px auto 4px; flex: none; }
.sheet-head { display: flex; align-items: center; gap: 12px; }
.sheet-head .sticker { flex: 1; height: 70px; font-size: 26px; pointer-events: none; }
.brand { font-weight: 700; font-size: 18px; flex: 1; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 50%; border: 0; flex: none; display: grid; place-items: center;
  color: var(--btn-ink); background: linear-gradient(180deg, var(--btn-1), var(--btn-2)); box-shadow: inset 0 0 0 1px var(--btn-edge), var(--sh-1);
}
.icon-btn svg { width: 20px; height: 20px; }
.sec { display: grid; gap: 9px; }
.sec-h { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; display: flex; justify-content: space-between; gap: 8px; }
.sec-h span:last-child { text-transform: none; letter-spacing: 0; font-weight: 500; }

.serials { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 9px; }
.serial {
  height: 50px; border-radius: 14px; border: 0; position: relative;
  font: 700 17px/1 var(--font-code); letter-spacing: .02em; display: grid; place-items: center;
  color: var(--btn-ink); background: linear-gradient(180deg, var(--btn-1), var(--btn-2)); box-shadow: inset 0 0 0 1px var(--btn-edge), var(--sh-1);
}
.serial[aria-checked="true"] { color: var(--cta-ink); background: linear-gradient(180deg, var(--cta-1), var(--cta-2)); box-shadow: 0 8px 18px -8px var(--cta-glow); }
.serial .all { position: absolute; top: 4px; right: 7px; font: 500 9px/1 var(--font-ui); opacity: .6; }
.note { color: var(--muted); font-size: 14px; background: var(--surface-2); border-radius: var(--r); padding: 12px; }

.qty {
  width: 100%; height: 80px; border-radius: 18px; border: 0; background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--line), inset 0 2px 6px rgba(0, 0, 0, .04);
  text-align: center; font: 700 46px/1 var(--font-code); letter-spacing: .3em; padding-left: .3em;
  font-variant-numeric: tabular-nums; caret-color: transparent; color: var(--ink);
}
.qty:focus { outline: none; box-shadow: inset 0 0 0 2px var(--cta-1), 0 0 0 4px color-mix(in srgb, var(--cta-1) 18%, transparent); }
.qty.zero { color: var(--muted); }
.qty-hint { font-size: 12px; color: var(--muted); text-align: center; }

.preview { display: grid; place-items: center; background: var(--surface-2); border-radius: 18px; padding: 14px; box-shadow: inset 0 0 0 1px var(--line); }
.preview canvas { width: 100%; max-width: 300px; height: auto; background: #fff; border-radius: 6px; box-shadow: 0 2px 4px rgba(0,0,0,.08), 0 10px 24px rgba(0,0,0,.12); image-rendering: pixelated; }

.sheet-foot { padding: 12px 18px 16px; flex: none; }
.print-btn {
  width: 100%; height: 66px; border-radius: 20px; border: 0; color: var(--cta-ink);
  background: linear-gradient(180deg, var(--cta-1), var(--cta-2));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2), 0 12px 28px -10px var(--cta-glow);
  font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: transform .1s, opacity .2s;
}
.print-btn:active { transform: scale(.98); }
.print-btn svg { width: 24px; height: 24px; }
.print-btn:disabled { opacity: .35; box-shadow: none; }

/* меню настроек */
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn {
  min-height: 46px; padding: 0 14px; border-radius: 14px; border: 0;
  font-weight: 600; display: inline-flex; align-items: center; justify-content: center; gap: 6px; text-decoration: none;
  color: var(--btn-ink); background: linear-gradient(180deg, var(--btn-1), var(--btn-2)); box-shadow: inset 0 0 0 1px var(--btn-edge), var(--sh-1);
}
.btn.primary { color: var(--cta-ink); background: linear-gradient(180deg, var(--cta-1), var(--cta-2)); box-shadow: 0 8px 18px -8px var(--cta-glow); }
.btn.wide { flex: 1; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: var(--surface-2); border-radius: 14px; padding: 4px; gap: 4px; box-shadow: inset 0 0 0 1px var(--line); }
.seg button { border: 0; background: transparent; min-height: 38px; border-radius: 10px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.seg button[aria-pressed="true"] { color: var(--btn-ink); background: linear-gradient(180deg, var(--btn-1), var(--btn-2)); box-shadow: inset 0 0 0 1px var(--btn-edge), 0 2px 6px rgba(0,0,0,.10); }
.field { display: grid; gap: 4px; font-size: 13px; color: var(--muted); flex: 1; }
.field input { height: 44px; border-radius: 12px; border: 0; background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--line); padding: 0 12px; font-family: var(--font-code); font-size: 16px; color: var(--ink); }
.status { font-size: 13.5px; color: var(--muted); }
.status b { color: var(--ink); }
pre.out { margin: 0; max-height: 200px; overflow: auto; font: 12px/1.4 var(--font-code); background: var(--surface-2); border-radius: var(--r); padding: 10px; white-space: pre-wrap; word-break: break-all; }

/* демо: лента принтера */
.preview.strip { padding: 10px 0; }
.preview.strip img { width: 144px; image-rendering: pixelated; }

/* разбор файла */
.note.warn { color: var(--warn); }
.imp-list { display: grid; gap: 8px; }
.imp-row { display: grid; grid-template-columns: 112px 1fr; gap: 10px; align-items: center; font-size: 14px; }
.imp-row span:last-child { min-width: 0; overflow-wrap: anywhere; font-weight: 500; }
.imp-row .sticker { height: 36px; font-size: 13.5px; pointer-events: none; }
.sheet-foot.row { flex-wrap: nowrap; }
.sheet-foot .btn { min-height: 54px; font-size: 16px; }

/* тост */
.toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 40;
  background: var(--ink); color: var(--bg); border-radius: 14px; padding: 13px 16px; font-weight: 500; box-shadow: var(--sh-2);
  transform: translateY(calc(100% + 100px)); visibility: hidden; transition: transform .2s, visibility .2s; max-width: 528px; margin: 0 auto;
}
.toast.show { transform: none; visibility: visible; }
.toast.err { background: var(--bad-2); color: #fff; }

/* печать через системный диалог */
#print-root { display: none; }
@media print {
  body > *:not(#print-root) { display: none !important; }
  #print-root { display: block; }
  #print-root img { display: block; width: 100%; break-after: page; page-break-after: always; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }