:root{--w2k-bg:#fff;--w2k-surface:#f8f9fa;--w2k-surface-2:#f1f3f5;--w2k-border:rgba(0,0,0,.08);--w2k-border-strong:rgba(0,0,0,.14);--w2k-text-primary:#111;--w2k-text-secondary:#6b7280;--w2k-text-tertiary:#9ca3af;--w2k-brand:#0ea5e9;--w2k-brand-dark:#0284c7;--w2k-brand-tint:#e0f2fe;--w2k-safe:#16a34a;--w2k-safe-tint:#dcfce7;--w2k-caution:#d97706;--w2k-caution-tint:#fef3c7;--w2k-alert:#dc2626;--w2k-alert-tint:#fee2e2;--w2k-scanner-overlay:rgba(0,0,0,.6);--w2k-scanner-frame:#0ea5e9;--w2k-radius:20px;--w2k-radius-sm:12px;--w2k-tabbar-height:64px;--w2k-shadow-sm:0 1px 2px rgba(0,0,0,.04),0 1px 3px rgba(0,0,0,.06);--w2k-shadow-md:0 4px 12px rgba(0,0,0,.08);--font-serif:"DM Serif Display",Georgia,"Times New Roman",serif;--font-sans:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--w2k-bg);color:var(--w2k-text-primary);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-bottom:calc(var(--w2k-tabbar-height) + env(safe-area-inset-bottom, 0px))}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}img{max-width:100%;display:block}.is-native .web-only{display:none!important}.native-only{display:none}.is-native .native-only{display:revert}.is-native .safe-top{padding-top:env(safe-area-inset-top,0)}h1,h2,h3{font-family:var(--font-serif);font-weight:400;line-height:1.15;letter-spacing:-.01em;color:var(--w2k-text-primary)}h1{font-size:30px}h2{font-size:22px}h3{font-size:18px}.eyebrow{font-family:var(--font-sans);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--w2k-text-tertiary)}.mono{font-family:var(--font-mono)}.text-secondary{color:var(--w2k-text-secondary)}.w2k-screen{min-height:100vh;max-width:560px;margin:0 auto;padding:20px}.w2k-stack{display:flex;flex-direction:column;gap:16px}.w2k-row{display:flex;align-items:center;gap:12px}.w2k-card{background:var(--w2k-bg);border:1px solid var(--w2k-border);border-radius:var(--w2k-radius);padding:20px;box-shadow:var(--w2k-shadow-sm)}.w2k-card-flat{background:var(--w2k-surface);border:1px solid var(--w2k-border);border-radius:var(--w2k-radius-sm);padding:16px}.w2k-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 22px;border:1px solid var(--w2k-border-strong);border-radius:999px;background:var(--w2k-bg);color:var(--w2k-text-primary);font-size:15px;font-weight:600;transition:transform .08s ease,background .15s ease,opacity .15s ease}.w2k-btn:active{transform:scale(.98)}.w2k-btn-primary{background:var(--w2k-brand);border-color:var(--w2k-brand);color:#fff}.w2k-btn-primary:active{background:var(--w2k-brand-dark)}.w2k-btn-block{display:flex;width:100%}.w2k-btn:disabled{opacity:.5;pointer-events:none}.w2k-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--w2k-surface-2);color:var(--w2k-text-secondary)}.w2k-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:stretch;height:calc(var(--w2k-tabbar-height) + env(safe-area-inset-bottom, 0px));padding-bottom:env(safe-area-inset-bottom,0);background:hsla(0,0%,100%,.92);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-top:1px solid var(--w2k-border)}.w2k-tab{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:transparent;border:none;color:var(--w2k-text-tertiary);font-size:11px;font-weight:600;letter-spacing:.01em}.w2k-tab.active{color:var(--w2k-brand)}.w2k-tab .w2k-tab-icon{width:24px;height:24px;display:block}.w2k-tab-scan .w2k-tab-icon{width:30px;height:30px}.muted{color:var(--w2k-text-secondary)}.center{text-align:center}.full{width:100%}.hidden{display:none}