:root{--bg:#faf6f3;--surface:#fff;--border:#e8ddd7;--border-strong:#c9b8af;--text:#5a3e35;--text-heading:#1c0f09;--text-muted:#7a5a50;--primary:#2c1810;--primary-hover:#1c0f09;--accent:#b86930;--accent-hover:#a05828;--accent-light:#f5e8df;--error:#b83230;--error-bg:#fdf3f2;--radius:14px;--radius-sm:9px;--radius-full:9999px;--shadow-sm:0 1px 3px #2c181012, 0 1px 2px #2c18100a;--shadow:0 4px 16px #2c18101a, 0 2px 6px #2c18100d;--sans:system-ui, -apple-system, "Segoe UI", sans-serif;font-family:var(--sans);color:var(--text);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#1a110d;--surface:#241810;--border:#3a2820;--border-strong:#5a3e32;--text:#c4a090;--text-heading:#f5ede8;--text-muted:#9a7a6e;--primary:#f0e0d4;--primary-hover:#fff;--accent:#d4814a;--accent-hover:#e0925a;--accent-light:#2e1e14;--error:#e05040;--error-bg:#2a1210}}*,:before,:after{box-sizing:border-box}body{margin:0}#root{flex-direction:column;max-width:480px;min-height:100svh;margin:0 auto;display:flex}h1,h2,h3{color:var(--text-heading);margin:0;font-weight:600;line-height:1.2}h1{font-size:24px}h2{font-size:17px}h3{font-size:15px}p{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}input[type=email],input[type=text]{width:100%;font-size:16px;font-family:var(--sans);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text-heading);outline:none;padding:13px 15px;transition:border-color .15s}input[type=email]::placeholder,input[type=text]::placeholder{color:var(--text-muted)}input[type=email]:focus,input[type=text]:focus{border-color:var(--accent)}.btn{width:100%;font-size:15px;font-family:var(--sans);border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:13px 20px;font-weight:500;line-height:1;text-decoration:none;transition:background .15s,opacity .15s;display:flex}.btn:hover{text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}@media (prefers-color-scheme:dark){.btn-primary{color:var(--bg)}}.btn-outline{background:var(--surface);color:var(--text-heading);border:1.5px solid var(--border)}.btn-outline:hover{background:var(--bg)}.page{flex-direction:column;flex:1;gap:0;padding:20px 16px 36px;display:flex}.page-title{color:var(--text-heading);margin-bottom:20px;font-size:22px;font-weight:700}.back-link{color:var(--text-muted);align-items:center;gap:5px;margin-bottom:20px;font-size:16px;display:inline-flex}.back-link:hover{color:var(--text-heading);text-decoration:none}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:12px;padding:16px}.card--highlight{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light), var(--shadow-sm)}.card-stamp-count{color:var(--text);margin-top:4px;font-size:15px}.card-actions{justify-content:space-between;margin-top:12px;font-size:15px;display:flex}.card-actions a,.card-actions span{color:var(--accent);font-weight:500}.stamp-dots{flex-wrap:wrap;gap:5px;margin:10px 0 6px;display:flex}.stamp-dot{border:2px solid var(--border-strong);background:0 0;border-radius:50%;width:20px;height:20px;transition:background .1s,border-color .1s}.stamp-dot.filled{background:var(--accent);border-color:var(--accent)}.badge{border-radius:var(--radius-full);align-items:center;padding:3px 10px;font-size:12px;font-weight:600;line-height:1.4;display:inline-flex}.badge-reward{background:var(--accent);color:#fff}.badge-reward-large{background:var(--accent-light);color:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-sm);align-items:center;gap:12px;margin-bottom:16px;padding:10px 14px;font-size:15px;display:flex}.error-msg{background:var(--error-bg);border:1px solid var(--error);border-radius:var(--radius-sm);color:var(--error);padding:11px 14px;font-size:14px}.divider{color:var(--text-muted);align-items:center;gap:12px;margin:4px 0;font-size:13px;display:flex}.divider:before,.divider:after{content:"";background:var(--border);flex:1;height:1px}.page-footer{text-align:center;color:var(--text-muted);margin-top:auto;padding-top:28px;font-size:17px}.page-footer a{color:var(--text-muted)}.page-footer a:hover{color:var(--text);text-decoration:underline}.page-footer button{color:var(--text-muted);font-size:inherit;cursor:pointer;background:0 0;border:none;padding:0}.page-footer button:hover{color:var(--text)}.loading{color:var(--text-muted);flex:1;justify-content:center;align-items:center;font-size:15px;display:flex}.history-list{margin:0;padding:0;list-style:none}.history-list li{border-bottom:1px solid var(--border);color:var(--text);align-items:center;gap:8px;padding:11px 0;font-size:15px;display:flex}.history-list li:last-child{border-bottom:none}.signin-page{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:0;padding:32px 20px 40px;display:flex}.signin-logo{margin-bottom:6px;font-size:36px;line-height:1}.signin-wordmark{color:var(--text-heading);margin-bottom:4px;font-size:22px;font-weight:700}.signin-tagline{color:var(--text);margin-bottom:32px;font-size:19px}.signin-form{flex-direction:column;gap:10px;width:100%;display:flex}.signin-privacy{text-align:center;color:var(--text-muted);margin-top:4px;font-size:15px}.signin-privacy a{color:var(--text-muted);text-decoration:underline}.signin-confirm{text-align:center;flex-direction:column;align-items:center;gap:12px;width:100%;display:flex}.signin-confirm-icon{font-size:40px;line-height:1}.signin-confirm h1{font-size:20px}.signin-confirm p{color:var(--text);max-width:280px;font-size:18px}.qr-page{background:var(--surface);flex-direction:column;flex:1;justify-content:center;align-items:center;padding:24px 20px 36px;display:flex}.qr-page .back-link{align-self:flex-start;margin-bottom:auto}.qr-container{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.qr-name{color:var(--text-heading);font-size:20px;font-weight:600}.qr-hint{color:var(--text-muted);text-align:center;font-size:17px}.privacy-page{max-width:680px;margin:0 auto;padding:24px 20px 48px}.privacy-page h1{margin-bottom:8px}.privacy-page h2{margin:28px 0 8px}.privacy-page p{color:var(--text);margin:8px 0;line-height:1.6}.privacy-page ul{margin:8px 0;padding-left:20px}.privacy-page li{color:var(--text);margin:6px 0;line-height:1.6}.privacy-page table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14px}.privacy-page th,.privacy-page td{text-align:left;border:1px solid var(--border);vertical-align:top;padding:8px 10px}.privacy-page th{background:var(--accent-light);color:var(--text-heading);font-weight:600}.privacy-page code{background:var(--accent-light);border-radius:4px;padding:1px 5px;font-family:ui-monospace,monospace;font-size:13px}