.design-viewer{background:var(--navy-dark);color:#fff;min-height:100vh}.viewer-heading{max-width:1400px;margin:auto;padding:28px 5vw 24px}.viewer-back{display:inline-block;color:#bfe7e9;font-size:.9rem;margin-bottom:22px}.viewer-title{display:flex;justify-content:space-between;align-items:center;gap:25px}.viewer-title h1{font-size:clamp(1.6rem,4vw,2.3rem);margin-top:5px}.viewer-title p{color:#bbccd5;font-size:.85rem;margin-top:6px}.viewer-title img{width:100px;background:transparent}.viewer-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.viewer-actions[hidden],.design-viewer [hidden]{display:none}.viewer-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;background:var(--yellow);color:var(--navy-dark);padding:10px 20px;border-radius:10px;font-size:.9rem;font-weight:700}.viewer-button.secondary{color:white;background:transparent;border:1px solid #496170}.viewer-main{max-width:1400px;margin:0 auto;padding:0 5vw 25px}.viewer-status{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:55vh;text-align:center;gap:15px;border:1px solid #284a5d;background:var(--navy);border-radius:20px;padding:35px}.viewer-status h2{font-size:1.35rem}.viewer-status p{color:#d2dfe6;max-width:520px;font-size:.94rem}.viewer-spinner{width:35px;height:35px;border:3px solid #476475;border-top-color:var(--yellow);border-radius:50%;animation:viewer-spin 1s linear infinite}.viewer-status.error .viewer-spinner{display:none}.viewer-status progress{width:min(340px,100%);height:8px;accent-color:var(--yellow);margin-top:10px}.viewer-status.error progress{display:none}#pdf-frame{width:100%;height:75vh;min-height:480px;border:0;border-radius:10px;background:white}.viewer-help{color:#c2d3dd;margin-top:14px;font-size:.82rem;text-align:center}@keyframes viewer-spin{to{transform:rotate(360deg)}}@media(max-width:600px){.viewer-heading{padding-top:20px}.viewer-title img{width:76px}.viewer-actions{gap:10px}.viewer-button{font-size:.8rem;padding:10px 13px}.viewer-status{padding:25px 20px}.viewer-status h2{font-size:1.1rem}#pdf-frame{height:65vh;min-height:400px}}@media(prefers-reduced-motion:reduce){.viewer-spinner{animation:none}}