:root {
  --bg: #0a0a0c;
  --panel: rgba(20,20,24,.78);
  --panel-2: rgba(32,32,38,.78);
  --line: rgba(255,255,255,.10);
  --text: #f2f3f5;
  --muted: #9ea0aa;
  --accent: #9cff58;
  --accent-ink: #0a1405;
  --danger: #ff6d7a;
  --radius: 16px;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body { width:100%; height:100%; margin:0; overflow:hidden; background:var(--bg); color:var(--text); font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, a { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
#pixelCanvas { position:fixed; inset:0; width:100%; height:100%; display:block; touch-action:none; cursor:grab; background:#161616; image-rendering:pixelated; image-rendering:crisp-edges; }
body.editing #pixelCanvas { cursor:crosshair; }
.glass { background:var(--panel); border:1px solid var(--line); box-shadow:var(--shadow); backdrop-filter:blur(18px) saturate(135%); -webkit-backdrop-filter:blur(18px) saturate(135%); }
.topbar { position:fixed; z-index:20; top:calc(12px + env(safe-area-inset-top)); left:12px; right:12px; min-height:54px; border-radius:18px; display:flex; align-items:center; gap:12px; padding:8px 10px 8px 14px; }
.brand { display:flex; align-items:center; gap:9px; min-width:0; font-size:13px; font-weight:800; letter-spacing:.12em; white-space:nowrap; }
.brand-mark { color:#44078A; font-size:19px; }
.status-pill { margin-left:auto; color:var(--muted); font-size:12px; font-variant-numeric:tabular-nums; padding:8px 10px; border:1px solid var(--line); border-radius:999px; background:rgba(0,0,0,.18); }
.top-actions { display:flex; gap:7px; }
.btn { border:1px solid rgba(255,255,255,.13); color:var(--text); background:rgba(255,255,255,.09); border-radius:12px; padding:10px 14px; font-weight:750; line-height:1; cursor:pointer; text-decoration:none; text-align:center; transition:transform .12s ease, background .12s ease, opacity .12s ease; }
.btn:hover { background:rgba(255,255,255,.14); }
.btn:active { transform:scale(.97); }
.btn:disabled { opacity:.35; cursor:not-allowed; }
.btn.ghost { background:rgba(0,0,0,.16); }
.btn.accent { color:var(--accent-ink); background:var(--accent); border-color:transparent; }
.btn.demo { color:#17100a; background:#ffbd69; border-color:transparent; }
.btn.wide { display:block; width:100%; padding:13px 16px; margin-top:9px; }
.hidden { display:none !important; }
.mode-hint { position:fixed; z-index:15; left:50%; bottom:calc(18px + env(safe-area-inset-bottom)); transform:translateX(-50%); border-radius:999px; padding:9px 13px; color:var(--muted); font-size:12px; pointer-events:none; white-space:nowrap; }
.palette { position:fixed; z-index:18; right:14px; top:92px; width:132px; border-radius:18px; padding:11px; }
.palette-head { display:flex; justify-content:space-between; gap:6px; font-size:10px; font-weight:800; letter-spacing:.12em; color:var(--muted); margin:0 2px 9px; }
.swatches { display:grid; grid-template-columns:1fr 1fr; gap:7px; }
.swatch { appearance:none; aspect-ratio:1; width:100%; border-radius:10px; border:2px solid rgba(255,255,255,.12); cursor:pointer; box-shadow:inset 0 0 0 1px rgba(0,0,0,.3); }
.swatch.selected { outline:2px solid white; outline-offset:2px; }
.tiny-btn { width:100%; margin-top:10px; padding:8px 5px; border-radius:9px; border:1px solid var(--line); color:var(--muted); background:rgba(0,0,0,.14); font-size:11px; cursor:pointer; }
.color-editor { position:fixed; z-index:30; right:158px; top:92px; width:276px; border-radius:18px; padding:13px; }
.color-editor-head { display:flex; align-items:center; justify-content:space-between; font-weight:800; font-size:13px; }
.icon-btn, .modal-x { border:0; background:transparent; color:var(--muted); cursor:pointer; font-size:24px; line-height:1; }
.color-preview { height:36px; border-radius:10px; margin:11px 0; border:1px solid var(--line); }
.tabs { display:flex; gap:6px; margin-bottom:9px; }
.tab { flex:1; border:1px solid var(--line); background:rgba(0,0,0,.15); color:var(--muted); border-radius:8px; padding:6px; font-size:11px; font-weight:800; cursor:pointer; }
.tab.active { color:var(--text); background:rgba(255,255,255,.10); }
.slider-stack { display:grid; gap:9px; }
.slider-row { display:grid; grid-template-columns:22px 1fr 42px; align-items:center; gap:7px; font-size:11px; color:var(--muted); }
.slider-row output { text-align:right; color:var(--text); font-variant-numeric:tabular-nums; }
input[type=range] { width:100%; accent-color:var(--accent); }
.hex-row { display:flex; align-items:center; gap:4px; margin-top:10px; background:rgba(0,0,0,.17); border:1px solid var(--line); border-radius:9px; padding:7px 9px; color:var(--muted); }
.hex-row input { width:100%; border:0; outline:0; color:var(--text); background:transparent; text-transform:uppercase; font-family:ui-monospace, SFMono-Regular, Menlo, monospace; }
.modal-backdrop { position:fixed; z-index:50; inset:0; background:rgba(0,0,0,.62); display:grid; place-items:center; padding:20px; }
.modal { position:relative; width:min(560px, 100%); border-radius:24px; padding:27px; background:rgba(18,18,23,.94); }
.modal-x { position:absolute; top:14px; right:16px; }
.eyebrow { color:var(--accent); font-weight:900; letter-spacing:.14em; font-size:10px; }
.modal h1 { font-size:clamp(28px, 7vw, 48px); line-height:.96; margin:10px 0 18px; letter-spacing:-.04em; }
.modal h2 { font-size:24px; margin:8px 0 16px; }
.modal p { color:#bbbcc4; line-height:1.55; font-size:14px; }
.help-grid { margin-top:18px; display:grid; grid-template-columns:1fr 1fr; gap:9px; }
.help-grid div { padding:12px; border:1px solid var(--line); border-radius:13px; background:rgba(255,255,255,.035); }
.help-grid strong, .help-grid span { display:block; }
.help-grid strong { font-size:12px; margin-bottom:5px; }
.help-grid span { color:var(--muted); font-size:11px; line-height:1.35; }
.payment-card { width:min(420px, 100%); text-align:center; }
.qr-shell { width:190px; height:190px; margin:0 auto 14px; padding:9px; border-radius:18px; background:white; }
.qr-shell img { width:100%; height:100%; display:block; image-rendering:pixelated; }
.payment-stats { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin:9px 0 14px; }
.payment-stats div { border:1px solid var(--line); background:rgba(255,255,255,.035); border-radius:12px; padding:10px; }
.payment-stats span, .payment-stats strong { display:block; }
.payment-stats span { color:var(--muted); font-size:10px; text-transform:uppercase; letter-spacing:.1em; }
.payment-stats strong { margin-top:4px; font-size:14px; }
.payment-status { margin-top:14px; min-height:24px; color:#c7c8ce; font-size:12px; display:flex; justify-content:center; align-items:center; gap:8px; }
.spinner { width:12px; height:12px; border:2px solid rgba(255,255,255,.2); border-top-color:var(--accent); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }
.fineprint { font-size:10px !important; margin-bottom:0; }
.toast { position:fixed; z-index:100; left:50%; bottom:24px; transform:translate(-50%, 30px); opacity:0; pointer-events:none; background:#f2f3f5; color:#111; border-radius:999px; padding:10px 14px; font-size:12px; font-weight:800; transition:.2s ease; }
.toast.show { opacity:1; transform:translate(-50%,0); }
@media (max-width:640px) {
  .topbar { top:calc(8px + env(safe-area-inset-top)); left:8px; right:8px; padding-left:10px; }
  .brand { font-size:11px; letter-spacing:.08em; }
  .status-pill { display:none; }
  .btn { padding:10px 11px; }
  .palette { top:auto; right:10px; bottom:calc(58px + env(safe-area-inset-bottom)); width:118px; }
  .color-editor { top:auto; right:10px; left:10px; bottom:calc(58px + env(safe-area-inset-bottom)); width:auto; }
  .mode-hint { bottom:calc(12px + env(safe-area-inset-bottom)); }
  .modal { padding:23px 18px; }
  .help-grid { grid-template-columns:1fr; }
}