.extension-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:22px;margin:24px 0 40px}.extension-tile{position:relative;aspect-ratio:1;min-width:0;border-radius:22px;overflow:hidden;background:#dfeae9;box-shadow:0 8px 28px #1835530d}.extension-link{display:block;position:relative;width:100%;height:100%;color:#fff;text-decoration:none}.extension-link img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.extension-link:hover img{transform:scale(1.04)}.extension-placeholder{display:grid;place-items:center;width:100%;height:100%;background:linear-gradient(145deg,#d7ede5,#638ca6);font-size:86px;color:#ffffffa8;padding-bottom:38px}.extension-copy{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:24px 20px;background:linear-gradient(transparent 10%,#0f294346 50%,#0f2943eb 100%);gap:8px}.extension-copy strong{font-size:21px;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.extension-copy small{font-size:11px;letter-spacing:.1em}.extension-copy>span{font-size:13px;opacity:.8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.extension-controls{position:absolute;top:12px;right:12px;display:flex;gap:6px}.extension-controls button{border:0;border-radius:8px;background:#fffffff2;padding:7px 11px;cursor:pointer;color:#193550}.extension-dialog{border:1px solid #d9e5e7;border-radius:22px;padding:28px;width:min(520px,calc(100vw - 32px));max-height:90vh;overflow:auto;color:#18334e;box-shadow:0 25px 90px #172e4a33}.extension-dialog::backdrop{background:#142b4566;backdrop-filter:blur(4px)}.extension-dialog h2{margin:0 0 18px}.extension-form{display:grid;gap:15px}.extension-form label{display:grid;gap:7px;font-size:14px}.extension-form input,.extension-form select,.extension-form textarea{width:100%;padding:10px;border:1px solid #cfdddd;border-radius:9px;font:inherit;box-sizing:border-box}.extension-form [hidden]{display:none}.extension-form .extension-checkbox{display:flex;align-items:center}.extension-checkbox input{width:auto}.extension-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:10px}.extension-dialog [role=alert]{color:#b14444;margin:0;min-height:1em}.extension-link:focus-visible{outline:4px solid #2468ff;outline-offset:-4px}.extension-form small{color:#687c85}@media(max-width:540px){.extension-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.extension-copy{padding:14px 12px;gap:5px}.extension-copy strong{font-size:16px}.extension-copy>span{font-size:11px}.extension-tile{border-radius:15px}.extension-controls{top:7px;right:7px}.extension-controls button{padding:5px 7px;font-size:11px}}@media(prefers-reduced-motion:reduce){.extension-link img{transition:none}}