@font-face{font-family:Inter;font-style:normal;font-display:block;font-weight:100 900;src:url(fonts/inter-latin-opsz-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-display:block;font-weight:100 900;src:url(fonts/inter-latin-ext-opsz-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Inter;font-style:normal;font-display:block;font-weight:100 900;src:url(fonts/inter-cyrillic-opsz-normal.woff2) format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:Inter;font-style:normal;font-display:block;font-weight:100 900;src:url(fonts/inter-cyrillic-ext-opsz-normal.woff2) format('woff2');unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}

:root{
  --p:#4B1FE8; --p2:#6D45FF; --p-soft:#ECE7FF; --ink:#0B0B10; --muted:#6E6E78; --line:#E6E6EC;
  --bg:#F4F4F6; --card:#FFFFFF; --side:#FBFBFD; --ok:#16A34A; --ok-soft:#DCFCE7; --warn:#B45309; --warn-soft:#FEF3C7;
  --bad:#DC2626; --bad-soft:#FEE2E2; --key:#F1F1F5; --keyh:#E7E7EE; --shadow:0 1px 2px rgba(16,12,40,.05),0 8px 24px rgba(16,12,40,.06);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{ --p:#7C5CFF; --p2:#9A80FF; --p-soft:#2A2350; --ink:#F2F1F7; --muted:#9C9AAB; --line:#2A2836;
    --bg:#0E0C16; --card:#17151F; --side:#12101A; --ok:#22C55E; --ok-soft:#0F2E1C; --warn:#F59E0B; --warn-soft:#33240A;
    --bad:#F87171; --bad-soft:#3A1416; --key:#211F2B; --keyh:#2B2838; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); color-scheme:dark; }
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;font-feature-settings:'cv11','ss03';letter-spacing:-.011em;background:var(--bg);color:var(--ink);font-size:15px;-webkit-font-smoothing:antialiased;user-select:none;overflow:hidden}
input,select,textarea{font:inherit;color:inherit;user-select:text}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
[hidden]{display:none!important}
.drag{position:fixed;top:0;left:0;right:0;height:28px;-webkit-app-region:drag;z-index:5}
.muted{color:var(--muted)} .fine{color:var(--muted);font-size:12.5px;line-height:1.5}
.err{color:var(--bad);font-weight:600;font-size:13.5px;margin-top:8px}
.grow{flex:1} .r{text-align:right}
.row{display:flex;gap:10px;align-items:center} .row.wrap{flex-wrap:wrap}
kbd{font:600 11px Inter;opacity:.7;border:1px solid currentColor;border-radius:5px;padding:0 5px;margin-left:6px}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* brand mark: ( • ) */
.mark{width:34px;height:34px;border-radius:10px;background:var(--p);position:relative;flex:none}
.mark::before{content:"";position:absolute;inset:9px 8px;border:2.6px solid #fff;border-top-color:transparent;border-bottom-color:transparent;border-radius:50%}
.mark::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:#fff;left:calc(50% - 3.5px);top:calc(50% - 3.5px)}
.brand{display:flex;align-items:center;gap:10px}
.brand b{font:650 15px Inter;display:block;letter-spacing:-.02em}
.brand small{color:var(--muted);font-weight:600;font-size:12px}
.brand.big .mark{width:52px;height:52px;border-radius:15px}
.brand.big .mark::before{inset:14px 12px;border-width:3.5px}
.brand.big .mark::after{width:10px;height:10px;left:calc(50% - 5px);top:calc(50% - 5px)}
.brand.big b{font-size:20px}

/* buttons, inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;font-weight:600;transition:background .15s,transform .05s}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--p);color:#fff}.btn.primary:hover{background:var(--p2)}
.btn.primary:disabled{opacity:.5;cursor:default}
.btn.ghost{background:var(--key)}.btn.ghost:hover{background:var(--keyh)}
.btn.danger-ghost{color:var(--bad);background:var(--bad-soft)}
.btn.small{height:36px;padding:0 14px;font-size:13.5px;border-radius:10px}
.link{color:var(--p);font-weight:600;text-decoration:underline;text-underline-offset:3px}
input:not([type=checkbox]),select{height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);padding:0 14px;width:100%;outline:none}
input:focus,select:focus{border-color:var(--p)}
.lbl{display:block;font-size:13px;font-weight:500;color:var(--muted);margin:16px 0 6px}
.chip{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:999px;font-size:11.5px;font-weight:650;letter-spacing:.03em;background:var(--ok-soft);color:var(--ok)}
.chip.test,.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.soft{background:var(--p-soft);color:var(--p)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.seg{display:inline-flex;background:var(--key);border-radius:12px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{height:34px;padding:0 13px;border-radius:9px;font-weight:600;font-size:13.5px;color:var(--muted)}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.card{background:var(--card);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
h1{font:700 30px/1.15 Inter;letter-spacing:-.035em;margin:22px 0 10px}
h2{font:650 20px/1.3 Inter;letter-spacing:-.025em;margin-bottom:6px}
h3{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:12px;letter-spacing:-.005em}

/* setup */
.setup{height:100%;display:grid;place-items:center;padding:40px}
.setup-card{max-width:560px;background:var(--card);border-radius:24px;padding:36px;box-shadow:var(--shadow)}
.setup-card .muted{line-height:1.55}
.steps{margin:22px 0 18px 20px;line-height:1.55;display:grid;gap:10px}
.steps li::marker{font-weight:650;color:var(--p)}
.setup .fine{margin-top:12px}

/* layout */
.app{display:grid;grid-template-columns:232px 1fr;height:100%}
.side{background:var(--side);border-right:1px solid var(--line);padding:42px 14px 16px;display:flex;flex-direction:column;gap:26px}
.side .brand{padding:0 8px}
nav{display:grid;gap:3px}
.nav{display:flex;align-items:center;gap:11px;height:42px;padding:0 12px;border-radius:11px;font-weight:600;color:var(--muted);text-align:left}
.nav:hover{background:var(--key)} .nav.on{background:var(--p-soft);color:var(--p)}
.side-foot{margin-top:auto;display:grid;gap:12px}
.side-foot .btn{justify-content:flex-start}
#custBtn.on{background:var(--p-soft);color:var(--p)}
main{overflow:auto;padding:38px 30px 30px}
.view{max-width:1100px;margin:0 auto}

/* till */
.till{display:grid;grid-template-columns:minmax(380px,460px) 1fr;gap:22px;align-items:start}
.amount{display:flex;align-items:baseline;gap:10px;font:650 60px/1.05 Inter;letter-spacing:-.045em;font-variant-numeric:tabular-nums;margin:4px 0 14px;min-height:66px;overflow:hidden;white-space:nowrap}
.amount .cur{font:600 18px Inter;color:var(--muted);letter-spacing:-.01em}
.amount.zero #amtVal{color:var(--muted);opacity:.5}
.note{margin-bottom:14px}
.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.pad button{height:60px;border-radius:14px;background:var(--key);font:500 24px Inter;font-variant-numeric:tabular-nums}
.pad button:hover{background:var(--keyh)} .pad button:active{transform:scale(.97)}
.pad-card .row .btn{height:56px;font-size:16px}
.side-card .stat{background:var(--p-soft);border-radius:16px;padding:16px 18px;margin-bottom:18px}
.stat small{display:block;font-weight:600;color:var(--muted);font-size:12.5px;margin-bottom:4px}
.stat b{font:650 24px Inter;color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.list{list-style:none;display:grid;gap:2px}
.list li{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:10px 8px;border-radius:12px;cursor:default}
.list li:hover{background:var(--key)}
.list .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list .a{font-weight:650;text-align:right;font-variant-numeric:tabular-nums}
.list .m{font-size:12.5px;color:var(--muted)}
.list .s{text-align:right}
.list .empty-li{display:block;color:var(--muted);padding:18px 8px}
.badge{display:inline-block;font-size:11.5px;font-weight:650;padding:2px 8px;border-radius:999px;background:var(--key);color:var(--muted)}
.badge.paid{background:var(--ok-soft);color:var(--ok)} .badge.pending{background:var(--p-soft);color:var(--p)}
.badge.underpaid,.badge.wrong_currency,.badge.mismatch{background:var(--warn-soft);color:var(--warn)} .badge.refunded{background:var(--bad-soft);color:var(--bad)}

/* payment */
.pay{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;min-height:calc(100vh - 110px)}
.pay-qr{padding:26px;border-radius:26px}
.qr{width:min(46vh,420px);aspect-ratio:1;display:grid;place-items:center;position:relative}
.qr img{width:100%;height:100%;image-rendering:pixelated;display:block}
.qr.small{width:180px}
.pay-amount b{font:650 68px/1 Inter;letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.pay-amount span{font:600 22px Inter;color:var(--muted);margin-left:6px;letter-spacing:-.01em}
.pay-info .chips{margin:16px 0 10px}
.pay-note{font-weight:600;font-size:17px;min-height:22px;margin-bottom:22px}
.pay-state{display:grid;gap:10px;margin-bottom:26px}
.waiting{display:flex;align-items:center;gap:10px;font-weight:650;font-size:18px}
.dot{width:12px;height:12px;border-radius:50%;background:var(--p);animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(.8);opacity:.5}50%{transform:scale(1.15);opacity:1}}
.timer{font-weight:600;color:var(--muted)} .timer b{color:var(--ink);font-variant-numeric:tabular-nums}
.timer.low b{color:var(--bad)}
.pay-done{margin-bottom:26px}
.pay-done h2{font-size:30px;margin:16px 0 6px;max-width:520px}
.check{width:96px;height:96px;border-radius:50%;background:var(--ok-soft);position:relative;animation:pop .35s ease-out}
.check::after{content:"";position:absolute;left:33px;top:22px;width:24px;height:42px;border:solid var(--ok);border-width:0 9px 9px 0;transform:rotate(45deg);border-radius:3px}
.check.warn{background:var(--warn-soft)} .check.warn::after,.check.gone::after{left:43px;top:20px;width:0;height:40px;border-width:0 10px 0 0;transform:none;border-color:var(--warn)}
.check.warn::before,.check.gone::before{content:"";position:absolute;left:43px;top:66px;width:10px;height:10px;border-radius:50%;background:var(--warn)}
.check.gone{background:var(--key)} .check.gone::after{border-color:var(--muted)} .check.gone::before{background:var(--muted)}
@keyframes pop{0%{transform:scale(.6);opacity:0}100%{transform:scale(1);opacity:1}}

/* links */
.links{display:grid;grid-template-columns:minmax(380px,480px) 1fr;gap:22px;align-items:start}
.form .btn.primary{width:100%;margin-top:20px;height:50px}
.link-out{display:flex;gap:16px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line);align-items:center}
.link-out input{margin-bottom:10px;font-size:12.5px}
.links .list li{cursor:pointer}

/* history */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.search{max-width:220px;height:38px!important}
.totals{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.totals .stat{padding:10px 14px;border-radius:12px;background:var(--p-soft)}
.totals .stat b{font-size:18px}
.table-wrap{overflow:auto;max-height:calc(100vh - 250px)}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{position:sticky;top:0;background:var(--card);text-align:left;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:10px;border-bottom:1px solid var(--line)}
.table td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.table td.amt{font-weight:650;text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table td .m{display:block;color:var(--muted);font-size:12px}
.table .link{font-size:13px}
.empty{padding:40px;text-align:center;color:var(--muted)}

/* settings */
.settings{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:22px;align-items:start}
.kv{display:flex;gap:10px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.kv span:first-child{color:var(--muted);font-weight:600;min-width:130px}
.kv code{font-size:12.5px;word-break:break-all;user-select:text}
.check-row{display:flex;gap:10px;align-items:center;font-weight:600;margin-top:4px}
.check-row input{width:18px;height:18px;accent-color:var(--p)}
.settings .row{margin-top:14px}

.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:12px;font-weight:600;z-index:10;box-shadow:var(--shadow)}
@media (max-width:1100px){ .till,.links{grid-template-columns:1fr} .pay{grid-template-columns:1fr;justify-items:center;text-align:center} .pay-info .chips,.waiting,.row.wrap{justify-content:center} .check{margin:0 auto} }

.pay-qr.dim .qr{opacity:.18;filter:grayscale(1);transition:opacity .4s}

.netpick{margin:-8px 0 22px}
.netpick .lbl{margin:0 0 6px}
.netpick .fine{margin-top:6px}
.seg button:disabled{opacity:.45;cursor:default}
.seg.multi button.on{background:var(--p);color:#fff;box-shadow:none}

/* cart & receipt */
.cart{background:var(--key);border-radius:16px;padding:10px 12px;margin-bottom:12px}
.cart ul{list-style:none;display:grid;gap:4px;max-height:220px;overflow:auto}
.cart li{display:grid;grid-template-columns:1fr auto auto auto;gap:8px;align-items:center;font-weight:600;font-size:14px}
.cart li .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cart li .qty{display:flex;align-items:center;gap:4px}
.cart li .qty button,.cart li .rm{width:26px;height:26px;border-radius:8px;background:var(--card);font-weight:650}
.cart li .rm{color:var(--bad)}
.cart li .ln{font-variant-numeric:tabular-nums;min-width:70px;text-align:right}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);margin-top:8px;padding-top:8px;font-weight:650}
.cart-total b{font:650 20px Inter;color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.quick{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.quick button{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 10px 0 12px;border-radius:10px;background:var(--key);font-weight:600;font-size:13.5px}
.quick button:hover{background:var(--keyh)}
.quick button small{color:var(--muted);font-weight:600}
.quick button .x{opacity:.0;color:var(--muted);font-weight:650;padding:0 2px}
.quick button:hover .x{opacity:1}
.quick-hint{margin-bottom:16px}
.pay-items{list-style:none;display:grid;gap:3px;margin:-14px 0 20px;max-width:420px;font-size:14px}
.pay-items li{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-weight:600}
.pay-items li b{color:var(--ink);font-variant-numeric:tabular-nums}
.modal{position:fixed;inset:0;background:rgba(10,8,20,.55);display:grid;place-items:center;z-index:20;padding:24px}
.modal-card{background:var(--bg);border-radius:22px;padding:18px;max-height:calc(100vh - 48px);overflow:auto;box-shadow:var(--shadow);width:420px}
.modal-btns{justify-content:center;margin-top:14px}
.table tr.click{cursor:pointer} .table tr.click:hover td{background:var(--key)}
.pad-card .row .btn{white-space:nowrap;padding:0 14px}
#addItemBtn kbd{display:none}

/* lock */
.lock{position:fixed;inset:0;z-index:30;background:var(--bg)}
.lock-card{width:min(420px,92vw);display:grid;gap:12px;text-align:center;justify-items:stretch}
.lock-card .brand{justify-content:center;margin-bottom:6px}
.lock-card h2{font-size:18px;margin:4px 0 4px}
.lock-card .link{justify-self:center;font-size:13.5px;margin-top:4px}
.pw-form{display:grid;gap:8px;margin:6px 0 4px}
#lockBtn{justify-content:flex-start}

/* Windows: same clean look as on the Mac — our header under the system buttons, thin scrollbars */
body.os-win32 .drag{height:36px;right:140px}
body.os-win32 .side{padding-top:46px}
body.os-win32 main{padding-top:46px}
body.os-win32 ::-webkit-scrollbar{width:10px;height:10px}
body.os-win32 ::-webkit-scrollbar-track{background:transparent}
body.os-win32 ::-webkit-scrollbar-thumb{background:var(--line);border-radius:10px;border:2px solid transparent;background-clip:content-box}
body.os-win32 ::-webkit-scrollbar-thumb:hover{background:var(--muted);background-clip:content-box}
body.os-win32 .modal-card{scrollbar-width:thin}
#coinRow .lbl{margin-top:12px}

/* compact pickers: network + coin */
.pick{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.seg.mini{padding:2px;border-radius:10px}
.seg.mini button{height:28px;padding:0 10px;border-radius:8px;font-size:12.5px;font-weight:550}
.seg-in{display:contents}
.netpick{margin:-10px 0 20px}
.netpick .pick{margin-bottom:4px}