:root{--color-primary:#06c;--color-primary-dark:#0052a3;--color-secondary:#00a86b;--color-cta:#ff6b35;--color-cta-end:#f7931e;--color-text:#333;--color-text-light:#666;--color-bg:#fff;--color-bg-light:#f8f9fa;--color-bg-section:#f5f7fa;--color-border:#e0e0e0;--color-danger:#c62828;--color-success-bg:#e8f8f0;--shadow:0 2px 8px #0000001a;--shadow-hover:0 4px 16px #00000026;--shadow-cta:0 10px 25px #ff6b3533;--radius:8px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, "Cascadia Mono", "Segoe UI Mono", Menlo, monospace;--transition:all .3s ease;--container:720px}*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0;overflow-x:clip}body{color:var(--color-text);background:var(--color-bg-section);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:var(--color-primary)}button,input{font:inherit}.site-header{background:var(--color-bg);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow);z-index:100;position:sticky;top:0}.site-nav{justify-content:space-between;align-items:center;gap:1rem;width:min(1200px,100% - 2rem);margin:0 auto;padding:.35rem 0;display:flex}.brand{color:inherit;align-items:center;gap:.75rem;min-width:0;text-decoration:none;display:flex}.brand-logo{object-fit:contain;width:auto;height:64px;display:block}.brand-lockup{flex-direction:column;gap:.1rem;min-width:0;display:flex}.brand-name{color:var(--color-primary);font-size:1.15rem;font-weight:700;line-height:1.2}.brand-sub{color:var(--color-text-light);font-size:.85rem;font-weight:500}.account{color:var(--color-text-light);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.75rem;font-size:.95rem;display:flex}.site-main{width:min(var(--container), calc(100% - 2rem));margin:0 auto;padding:2.5rem 0 3.5rem}.site-footer{border-top:1px solid var(--color-border);background:var(--color-bg);padding:1.25rem 0}.site-footer-inner{width:min(1200px,100% - 2rem);color:var(--color-text-light);text-align:center;margin:0 auto;font-size:.85rem}.page-intro h1{color:var(--color-text);letter-spacing:-.02em;overflow-wrap:anywhere;min-width:0;margin:0 0 .5rem;font-size:clamp(1.75rem,4vw,2.25rem);font-style:normal;font-weight:700;line-height:1.2}.page-intro .lede{color:var(--color-text-light);max-width:40rem;margin:0 0 1.75rem;font-size:1.05rem}.panel{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.75rem}.panel h2{color:var(--color-text);margin:0 0 .65rem;font-size:1.35rem;font-style:normal;font-weight:700}.panel p{color:var(--color-text-light);margin:0}.panel-note{font-size:.95rem;margin-top:.85rem!important}.auth-form{gap:1rem;margin-top:1.1rem;display:grid}.field-label{color:var(--color-text);gap:.5rem;font-weight:600;display:grid}.field-label input{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);padding:.85rem}.field-label input:focus{outline:2px solid var(--color-primary);outline-offset:1px}.code-input{letter-spacing:.28em;text-align:center;font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:600}.auth-actions{flex-wrap:wrap;gap:.75rem;margin-top:.25rem;display:flex}.upload-form{gap:1rem;margin-top:1.1rem;display:grid}.file-label{color:var(--color-text);gap:.5rem;font-weight:600;display:grid}.file-label input{border:1px dashed var(--color-border);border-radius:var(--radius);background:var(--color-bg-light);padding:.85rem}.file-meta{font-family:var(--font-mono);color:var(--color-text-light);margin:0;font-size:.9rem}.btn-primary,.btn-secondary,.btn-text{border-radius:var(--radius);cursor:pointer;width:fit-content;transition:var(--transition);border:2px solid #0000;justify-content:center;align-items:center;padding:.85rem 1.35rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(90deg, var(--color-cta), var(--color-cta-end));box-shadow:var(--shadow-cta);border-color:#0000}.btn-primary:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px)}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-secondary{color:var(--color-primary);background:var(--color-bg);border-color:var(--color-primary)}.btn-secondary:hover{background:var(--color-bg-light)}.btn-text{color:var(--color-text-light);border-color:var(--color-border);background:0 0;font-weight:600}.btn-text:hover{color:var(--color-primary);border-color:var(--color-primary)}.status{margin:1rem 0 0;font-size:.95rem}.status-error{color:var(--color-danger)}.receipt h3{color:var(--color-secondary);margin:0 0 .85rem;font-size:1.25rem;font-style:normal;font-weight:700}.receipt dl{background:var(--color-success-bg);border-radius:var(--radius);border:1px solid #00a86b40;gap:.75rem;margin:0;padding:1rem;display:grid}.receipt dl>div{gap:.15rem;display:grid}.receipt dt{text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-light);font-size:.75rem;font-weight:600}.receipt dd{word-break:break-word;color:var(--color-text);margin:0;font-weight:500}.receipt .btn-primary{margin-top:1.25rem}@media (max-width:640px){.brand-logo{height:52px}.brand-name{font-size:1rem}.site-nav{flex-direction:column;align-items:flex-start}.account{justify-content:flex-start;width:100%}.auth-actions{flex-direction:column}.auth-actions .btn-primary,.auth-actions .btn-secondary,.auth-actions .btn-text{width:100%}}