:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f3f4f6;--surface:#fff;--text:#111827;--text-muted:#6b7280;--primary:#2563eb;--primary-dark:#1d4ed8;--danger:#dc2626;--border:#e5e7eb;--shadow:0 8px 24px #0f172a14;--radius:14px;--tap-min:48px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-weight:400;line-height:1.5}*,:before,:after{box-sizing:border-box}html,body,#app{min-height:100%}body{background:var(--bg);margin:0}button,input{font:inherit}button{cursor:pointer}input{background:0 0;border:none;outline:none}a{color:inherit;text-decoration:none}.page{min-height:100vh;padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom))}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow)}.btn{min-height:var(--tap-min);border:none;border-radius:12px;justify-content:center;align-items:center;padding:0 20px;font-size:18px;font-weight:600;transition:opacity .15s;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:not(:disabled):active{background:var(--primary-dark)}.btn-ghost{color:var(--text);border:1px solid var(--border);background:#f9fafb}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));color:#fff;z-index:100;pointer-events:none;background:#111827eb;border-radius:999px;max-width:calc(100vw - 32px);padding:12px 18px;font-size:16px;position:fixed;transform:translate(-50%)}.toast.error{background:#dc2626f2}.toast.success{background:#16a34af2}