:root{--ink: #1c1030;color:var(--ink);background:#000;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#000}button,input{font:inherit}.certificate-page{position:relative;display:grid;grid-template-areas:"stack";place-items:center;min-height:100svh;overflow:hidden;padding:8px;background:#000}.name-card{z-index:1;grid-area:stack;display:grid;gap:12px;width:min(360px,calc(100vw - 36px));padding:22px;border:1px solid rgba(255,255,255,.28);border-radius:16px;background:#000000b8;box-shadow:0 18px 60px #0000007a;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.name-card label{color:#ffffffd1;font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;text-align:center}.name-card input{width:100%;min-height:48px;border:1px solid rgba(255,255,255,.3);border-radius:10px;padding:0 14px;color:#fff;background:#ffffff1a;outline:none;font-weight:700;text-align:center}.name-card input::placeholder{color:#ffffff80}.name-card input:focus{border-color:#ffffffb8;box-shadow:0 0 0 3px #ffffff1f}.preview-actions{position:absolute;z-index:2;left:50%;bottom:clamp(26px,5vw,72px);transform:translate(-50%)}.preview-actions .download-button{width:min(280px,calc(100vw - 32px))}.confirm-button,.download-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 16px;border:1px solid rgba(255,255,255,.3);border-radius:11px;color:#fff;background:#00000085;box-shadow:0 12px 32px #00000059;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;font-weight:850;transition:transform .14s ease,background .14s ease,box-shadow .14s ease}.confirm-button{width:100%}.confirm-button:hover:not(:disabled),.download-button:hover:not(:disabled){background:#ffffff2e;box-shadow:0 14px 38px #0000006b;transform:translateY(-1px)}.confirm-button:disabled,.download-button:disabled{cursor:not-allowed;opacity:.58}.download-error{position:fixed;z-index:2;right:16px;bottom:16px;margin:0;padding:9px 12px;border-radius:8px;color:#b42318;background:#ffffffeb;box-shadow:0 10px 32px #1c103024;font-size:.86rem;font-weight:750}canvas{display:block;grid-area:stack;width:auto;max-width:calc(100vw - 16px);height:auto;max-height:calc(100svh - 16px);object-fit:contain;border:0;box-shadow:0 12px 45px #00000073}@media(max-width:560px){.certificate-page{padding:6px}.preview-actions{left:50%;bottom:22px}.preview-actions .download-button{width:min(280px,calc(100vw - 24px));min-height:44px;padding:0 13px}}