.themes-section{border-top:1px solid #35516b;background:linear-gradient(140deg,#0d2339,#142e46)}.themes-intro{max-width:760px;color:#bad0e2;font-size:18px;margin:0 0 35px;line-height:1.7}.theme-gallery{border:1px solid #607f9b;border-radius:8px;overflow:hidden;background:#081827;box-shadow:0 20px 60px #0003}.theme-screen-top{display:flex;justify-content:space-between;padding:14px 20px;font:10px ui-monospace,Consolas,monospace;letter-spacing:1.5px;color:#a7c5df}.theme-screen-top span:last-child{color:var(--yellow)}.theme-stage{position:relative;width:100%;display:block;aspect-ratio:16/9;padding:0;border:0;background:#060f18;perspective:1800px;overflow:hidden;cursor:zoom-in}.theme-slide{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transform:rotateY(-90deg);transform-origin:50% 50%;transition:transform .65s cubic-bezier(.2,.7,.25,1),opacity .65s ease;backface-visibility:hidden;pointer-events:none}.theme-slide.is-active{opacity:1;transform:rotateY(0);z-index:2}.theme-slide.is-leaving{transform:rotateY(90deg);opacity:0;z-index:1}.theme-toolbar{padding:23px 25px;display:flex;align-items:center;justify-content:space-between;gap:20px}.theme-toolbar h3{font-size:24px;letter-spacing:-.6px;margin:0 0 5px}.theme-toolbar p{margin:0;color:#a8c0d4;font-size:13px}.theme-arrows{display:flex;gap:8px;flex-shrink:0}.theme-arrows button{border:1px solid #62809a;border-radius:4px;background:#18374f;color:#eaf2f8;padding:9px 14px;font-size:12px;cursor:pointer;white-space:nowrap}.theme-arrows button:hover{background:#274d6c}.theme-choices{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}.theme-choices button{display:flex;align-items:center;gap:12px;min-width:0;border:1px solid #4e6b85;border-radius:5px;background:#0b2035;color:#c7dae8;font-size:13px;text-align:left;padding:15px;cursor:pointer}.theme-choices button:hover{background:#1c3b55}.theme-choices button[aria-pressed=true]{border-color:var(--yellow);color:var(--yellow);box-shadow:inset 0 0 0 1px var(--yellow)}.theme-swatches{display:flex;flex-shrink:0;overflow:hidden;border-radius:50%;width:29px;height:29px;border:1px solid #ffffff44;transform:rotate(-25deg)}.theme-swatches i{display:block;width:33.333%;height:100%}.theme-bottom{display:flex;justify-content:space-between;gap:30px;align-items:center;font-size:12px;color:#9ab4cb;margin-top:18px}.theme-bottom p{max-width:550px;margin:0}.theme-bottom>span{font-size:11px;text-align:right}@media(max-width:1000px){header nav{gap:15px;font-size:12px}.theme-choices button{padding:12px;font-size:12px;gap:9px}.theme-toolbar{padding:20px}}@media(max-width:650px){.themes-intro{font-size:16px}.theme-toolbar{flex-direction:column;align-items:start;padding:20px}.theme-toolbar h3{font-size:22px}.theme-arrows{width:100%;justify-content:space-between}.theme-arrows #theme-play{flex:1}.theme-choices{grid-template-columns:repeat(2,1fr);gap:9px}.theme-choices button{font-size:11px;padding:11px;gap:8px}.theme-swatches{width:23px;height:23px}.theme-bottom{display:block}.theme-bottom>span{display:block;text-align:left;margin-top:12px}.theme-screen-top{padding:12px;font-size:8px}.themes-section .section-heading>p{max-width:none}}@media(prefers-reduced-motion:reduce){.theme-slide{transition:none;transform:none}.theme-slide.is-leaving{transform:none}}