:root{--graphite: #0e1512;--surface: #161d1a;--elevated: #1f2823;--text: #ffffff;--muted: #8a938e;--border: #232c27;--accent: #3fb37f;--danger: #e5484d;--on-accent: #06130d;color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--graphite);color:var(--text)}.screen{min-height:100dvh;padding:24px 20px calc(24px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px;max-width:560px;margin:0 auto}.brand{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.business{font-size:1.5rem;font-weight:700;letter-spacing:-.01em}h1{font-size:1.35rem;margin:0}p{margin:0;color:var(--muted);line-height:1.5}.grow{flex:1}.btn{width:100%;border:none;border-radius:14px;padding:18px;font-size:1.05rem;font-weight:700;background:var(--accent);color:var(--on-accent);cursor:pointer}.btn:disabled{opacity:.5;cursor:default}.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--text);font-weight:600}.btn.danger{background:transparent;border:1px solid var(--danger);color:var(--danger)}.field{display:flex;flex-direction:column;gap:8px}.field label{font-size:.82rem;color:var(--muted)}.field input{background:var(--elevated);border:1px solid var(--border);border-radius:12px;padding:16px;color:var(--text);font-size:1.4rem;font-weight:700;letter-spacing:.18em;text-align:center;text-transform:uppercase}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:8px}.card .coupon{font-size:1.3rem;font-weight:700}.card .cost{font-size:.95rem;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}.viewfinder{position:relative;aspect-ratio:3 / 4;border-radius:16px;overflow:hidden;background:#000}.viewfinder video{width:100%;height:100%;object-fit:cover}.viewfinder .frame{position:absolute;top:18%;right:18%;bottom:18%;left:18%;border:3px solid rgba(255,255,255,.85);border-radius:16px}.result{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}.tick{width:88px;height:88px;border-radius:50%;display:grid;place-items:center;font-size:2.6rem;background:var(--accent);color:var(--on-accent)}.tick.bad{background:var(--danger);color:#fff}.error{background:#e5484d1f;border:1px solid var(--danger);color:#ffb4b6;border-radius:12px;padding:12px 14px;font-size:.9rem}.console{min-height:100dvh;display:grid;grid-template-columns:1fr;grid-template-rows:1fr auto;background:var(--graphite)}.side{order:2;position:sticky;bottom:0;z-index:2;display:flex;align-items:stretch;gap:2px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border)}.side-brand,.side-foot{display:none}.side-nav{display:flex;flex:1;gap:2px}.side-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:0;border:none;border-radius:12px;background:transparent;color:var(--muted);font-size:.68rem;font-weight:600;padding:8px 2px;cursor:pointer;transition:color .15s ease,background .15s ease}.side-item:hover{color:var(--text)}.side-item.active{color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}.side-label{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main{order:1;padding:28px 18px 24px;display:flex;flex-direction:column;gap:12px;width:100%;max-width:720px;margin:0 auto}.main h1{font-size:1.55rem;font-weight:700;letter-spacing:-.02em;margin:0}.main .lede{margin:-4px 0 8px;color:var(--muted);font-size:.9rem}@media (min-width: 860px){.console{grid-template-columns:252px 1fr;grid-template-rows:1fr}.side{order:0;position:sticky;top:0;height:100dvh;flex-direction:column;align-items:stretch;gap:4px;padding:24px 14px;border-top:none;border-right:1px solid var(--border);background:var(--surface);-webkit-backdrop-filter:none;backdrop-filter:none}.side-brand{display:flex;align-items:center;gap:10px;padding:0 8px 18px}.side-brand .logo{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);font-weight:800;font-size:.85rem;flex:none}.side-brand .who{min-width:0;display:flex;flex-direction:column}.side-brand .mark{font-size:.62rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.side-brand .shop{font-size:.95rem;font-weight:700;line-height:1.25;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.side-nav{flex-direction:column;flex:none}.side-item{flex:none;flex-direction:row;justify-content:flex-start;gap:11px;padding:11px 12px;border-radius:10px;font-size:.92rem}.side-item.active{background:var(--elevated);color:var(--text)}.side-item.active svg{color:var(--accent)}.side-foot{display:block;margin-top:auto;padding:12px 4px 0;border-top:1px solid var(--border)}.main{padding:36px 32px 48px;margin:0;gap:14px}.main h1{font-size:1.75rem}}.field input.plain{font-size:1rem;font-weight:400;letter-spacing:normal;text-align:left;text-transform:none}.date-row{display:flex;gap:10px}.date-row .field{flex:1;min-width:0}.label{font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:14px 0 2px}.line{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 14px;border:1px solid var(--border);border-radius:12px;background:var(--surface);font-size:.94rem}.line .muted{color:var(--muted);font-size:.8rem;font-variant-numeric:tabular-nums;text-align:right;flex:none}.link{align-self:flex-start;background:none;border:none;padding:6px 2px;font-size:.86rem;font-weight:600;color:var(--muted);cursor:pointer}.link:hover{color:var(--text)}.link.danger{color:var(--danger)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.stat{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}.stat b{font-size:1.9rem;font-weight:700;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.stat span{font-size:.74rem;color:var(--muted)}.enrol-qr{width:100%;max-width:260px;align-self:center;border-radius:14px}.qr-placeholder{width:100%;max-width:260px;aspect-ratio:1;align-self:center;border-radius:14px;background:var(--elevated)}.enrol-code{align-self:center;font-size:1.7rem;font-weight:700;letter-spacing:.32em;text-indent:.32em;font-variant-numeric:tabular-nums}.field select{background:var(--elevated);border:1px solid var(--border);border-radius:12px;padding:14px 12px;color:var(--text);font-size:1rem}