.su-root{--su-red:#e31837;--su-red-deep:#b3122a;--su-cream:#f4efe7;--su-ink:#2a2a2a;--su-muted:#6a6a6a;--su-border:#0000001f;background:radial-gradient(ellipse 80% 60% at 50% 0%,#e318371a,transparent 60%),var(--su-cream);min-height:100vh;color:var(--su-ink);font-family:DM Sans,system-ui,-apple-system,sans-serif}.su-nav{background:var(--su-red);color:#fff;justify-content:space-between;align-items:center;padding:1.1rem 2rem;display:flex}.su-nav-logo{color:#fff;letter-spacing:.02em;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:800;text-decoration:none;display:inline-flex}.su-nav-logo span{font-size:1.4rem}.su-nav-back{color:#fff;opacity:.85;font-size:.95rem;font-weight:600;text-decoration:none}.su-nav-back:hover{opacity:1;text-decoration:underline}.su-main{justify-content:center;align-items:flex-start;padding:3.5rem 1rem 6rem;display:flex}.su-card{background:#fff;border-radius:18px;width:100%;max-width:460px;padding:2.25rem 2rem 2rem;position:relative;overflow:hidden;box-shadow:0 18px 48px #0000001a,inset 0 0 0 1px #0000000d}.su-card:before{content:"";background:repeating-linear-gradient(-45deg,#fff 0 10px,var(--su-red)10px 20px);height:6px;position:absolute;inset:0 0 auto}.su-card-header{text-align:center;margin-bottom:1.5rem}.su-badge{background:var(--su-red);color:#fff;letter-spacing:.18em;border-radius:999px;margin-bottom:.85rem;padding:4px 10px;font-size:.7rem;font-weight:800;display:inline-block}.su-title{color:var(--su-ink);margin:0 0 .5rem;font-family:DM Serif Display,Georgia,serif;font-size:clamp(1.5rem,3vw,1.9rem);font-weight:700;line-height:1.15}.su-sub{color:var(--su-muted);margin:0;font-size:.95rem;line-height:1.45}.su-form{flex-direction:column;gap:1.05rem;display:flex}.su-field{flex-direction:column;gap:.35rem;display:flex}.su-label{letter-spacing:.08em;text-transform:uppercase;color:var(--su-ink);font-size:.8rem;font-weight:700}.su-input{font:inherit;border:1.5px solid var(--su-border);width:100%;color:var(--su-ink);background:#fafafa;border-radius:10px;padding:.75rem .9rem;transition:border .15s,background .15s,box-shadow .15s}.su-input:focus{border-color:var(--su-red);background:#fff;outline:none;box-shadow:0 0 0 4px #e318371f}.su-input--code{text-align:center;letter-spacing:.4em;font-size:1.4rem;font-weight:700}.su-hint{color:var(--su-muted);min-height:1.1em;font-size:.78rem}.su-hint--checking{color:var(--su-muted)}.su-hint--available{color:#1f8a3a;font-weight:600}.su-hint--taken{color:var(--su-red-deep);font-weight:600}.su-hint--invalid{color:var(--su-red-deep)}.su-hint--error{color:var(--su-muted);font-style:italic}.su-input-wrap{display:block;position:relative}.su-input--with-status{padding-right:2.5rem}.su-input--available{background:#fff;border-color:#1f8a3a;box-shadow:0 0 0 4px #1f8a3a1a}.su-input--taken{border-color:var(--su-red);background:#fff;box-shadow:0 0 0 4px #e318371f}.su-input--invalid{border-color:#e3183773}.su-status{pointer-events:none;justify-content:center;align-items:center;width:1.2rem;height:1.2rem;font-size:.95rem;font-weight:800;line-height:1;display:inline-flex;position:absolute;top:50%;right:.85rem;transform:translateY(-50%)}.su-status--available{color:#1f8a3a}.su-status--taken,.su-status--invalid{color:var(--su-red-deep)}.su-status--error{color:var(--su-muted)}.su-status--idle{display:none}.su-spinner{border:2px solid #00000026;border-top-color:var(--su-red);border-radius:50%;width:14px;height:14px;animation:.7s linear infinite su-spin}@keyframes su-spin{to{transform:rotate(360deg)}}.su-error{color:var(--su-red-deep);background:#e3183714;border:1px solid #e3183740;border-radius:8px;padding:.6rem .8rem;font-size:.88rem;line-height:1.4}.su-btn{background:var(--su-red);color:#fff;font:inherit;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;margin-top:.25rem;padding:.95rem 1.2rem;font-size:.95rem;font-weight:800;text-decoration:none;transition:transform .15s,background .15s,box-shadow .15s;display:inline-flex;box-shadow:0 6px 18px #e318374d}.su-btn:hover:not(:disabled){background:var(--su-red-deep);transform:translateY(-1px);box-shadow:0 10px 26px #e3183761}.su-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.su-btn-text{color:var(--su-red-deep);font:inherit;cursor:pointer;text-align:center;background:0 0;border:0;padding:.5rem;font-weight:600;text-decoration:underline;display:inline-block}.su-btn-text:hover:not(:disabled){color:var(--su-red)}.su-footer-text{text-align:center;color:var(--su-muted);margin-top:.25rem;font-size:.9rem}.su-footer-text a{color:var(--su-red-deep);font-weight:600}.su-done{flex-direction:column;align-items:center;gap:1rem;padding:1rem 0;display:flex}.su-done-icon{font-size:3.5rem;line-height:1;animation:1.4s ease-in-out infinite su-bounce}@keyframes su-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@media (max-width:540px){.su-nav{padding:.85rem 1rem}.su-main{padding:2rem .75rem 4rem}.su-card{border-radius:14px;padding:1.75rem 1.25rem 1.5rem}}