@media(min-width:1500px){.feed-scroll{max-width:700px}.feed-screen:before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,#34314a33,transparent 70%);pointer-events:none}}
@media(max-width:900px){.app-header{gap:18px;padding:0 24px}.header-link{padding:9px 10px;font-size:13px}.header-nav{gap:0}.panel-screen{padding:34px 26px 65px}.topic-entry-grid{gap:14px}.topic-entry{gap:16px;padding:20px}.entry-icon{width:46px;height:46px}.topic-entry strong{font-size:17px}.topic-matches{grid-template-columns:1fr}}
@media(max-width:640px){:root{--header:58px;--nav:calc(64px + env(safe-area-inset-bottom))}.app-header{padding:0 18px;justify-content:space-between}.brand{font-size:21px}.header-nav{display:none}.header-search{font-size:23px;padding:2px 12px;background:none;border:0}.header-search span{font-size:12px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;height:var(--nav);display:flex;align-items:stretch;justify-content:space-around;background:#0c0d14f5;border-top:1px solid #ffffff10;padding:4px 8px calc(4px + env(safe-area-inset-bottom));backdrop-filter:blur(16px)}.mobile-link{display:flex;flex:1;align-items:center;justify-content:center;flex-direction:column;gap:0;font-size:10px;padding:2px 0;background:none;border:0;color:#7c7f92;line-height:1.7}.mobile-link span{font-size:23px;line-height:1.35}.mobile-link.active{color:white}.mobile-link:hover{background:none}.mobile-create span{background:linear-gradient(105deg,#d33282,#8155da);border-radius:9px;padding:0 14px;color:white;font-size:24px;margin:1px 0 2px}.panel-screen{padding:30px 20px calc(30px + var(--nav));min-height:calc(100dvh - var(--header))}.panel-heading{margin-bottom:26px}h1{font-size:28px}h2{font-size:19px}.topic-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.topic-entry{gap:18px;border-radius:19px}.entry-icon{width:50px;height:50px}.topic-entry strong{font-size:18px}.topic-overview-grid{grid-template-columns:1fr}.discussion-card{padding:21px 18px}.discussion-card strong{font-size:17px}.topic-video-grid,.search-video-grid{grid-template-columns:1fr}.topic-video-card,.search-video-card{display:grid;grid-template-columns:85px minmax(0,1fr)}.topic-video-scene,.search-video-scene{height:100%;min-height:135px}.topic-video-card>div:last-child,.search-video-card>div:last-child{padding:14px}.topic-video-card h3,.search-video-card h3{font-size:15px}.match-card{padding:20px}.segment-row{gap:6px}.segment{font-size:12px;padding:9px 10px;border-radius:9px}.rank-row{grid-template-columns:22px minmax(0,1fr) 64px;gap:12px;padding:22px 0}.rank-row h3{font-size:15px}.rank-index{font-size:21px}.rank-value>b{font-size:21px}.rank-value button{font-size:11px;padding:5px 8px}.rank-value>span{max-width:64px}.range-row{gap:26px}.feed-toolbar{top:9px}.feed-entry{font-size:18px}.feed-entries{gap:25px}.video-content{left:18px;right:80px;bottom:28px}.video-content h1{font-size:21px}.video-meta{font-size:12px}.feed-actions{right:15px;bottom:34px;gap:15px}.action-icon{font-size:31px}.feed-match-row{gap:12px;margin-top:14px}.watch-more{font-size:11px}.sound-toggle,.report-trigger{right:14px;top:66px}.report-trigger{top:106px}.match-feed-slide{padding:18px}.upload-card{padding:24px 18px}.submission-fields{grid-template-columns:1fr}.auth-card{padding:22px 18px}.profile-actions button{padding:10px 13px;font-size:12px}.review-card{padding:20px}.review-summary{gap:20px}.review-summary span{gap:7px}.review-summary b{font-size:23px}dialog{padding:24px 20px;border-radius:20px}.comment-dialog{margin:auto 0 0;width:100%;max-width:100%;border-radius:24px 24px 0 0}.search-form{gap:8px}.search-form .primary-button{padding:12px 16px}}
@media(max-width:640px){.topic-hero{align-items:stretch;flex-direction:column}.topic-hero .primary-button{width:100%}.topic-mode-switch{grid-template-columns:1fr}.match-preview-links{gap:4px;flex-wrap:wrap}.match-preview-links button{flex:1;min-width:72px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}