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rgba(0,0,0,.24)}.echo-episode-browser>header{min-height:112px;display:grid;grid-template-columns:76px 1fr auto auto;align-items:center;gap:15px;padding:16px 18px;border-bottom:1px solid var(--echo-line)}.echo-episode-art{width:76px;height:76px;background:#111 50%/cover no-repeat;border:1px solid var(--echo-line);border-radius:9px}.echo-episode-browser header>div:nth-child(2){min-width:0}.echo-episode-browser header span{color:var(--echo-muted);font-size:11px}.echo-episode-browser h2{margin:3px 0;overflow:hidden;font-size:21px;text-overflow:ellipsis;white-space:nowrap}.echo-episode-browser header p{margin:0;color:var(--echo-muted);font-size:12px}.echo-episode-browser header>a,.echo-episode-browser header>button{width:38px;height:38px;display:grid;place-items:center;color:var(--echo-ink);background:transparent;border:0;border-radius:50%;cursor:pointer}.echo-episode-browser header>a:hover,.echo-episode-browser header>button:hover{background:var(--echo-surface-soft)}.echo-episode-list{max-height:calc(min(720px, calc(100dvh - var(--echo-player-height) - 72px)) - 112px);overflow:auto;padding:0 18px 18px}.echo-episode-list article{display:grid;grid-template-columns:42px 1fr 42px;align-items:start;gap:12px;padding:15px 0;border-bottom:1px solid var(--echo-line)}.echo-episode-list article>button{width:38px;height:38px;display:grid;place-items:center;padding:0;color:var(--echo-inverse-ink);background:var(--echo-inverse);border:0;border-radius:50%;cursor:pointer}.echo-episode-list .echo-episode-favorite{color:var(--echo-ink);background:transparent;border:1px solid var(--echo-line)}.echo-episode-list .echo-episode-favorite.is-selected,.echo-episode-list .echo-episode-favorite:hover{color:var(--echo-inverse-ink);background:var(--echo-inverse);border-color:var(--echo-inverse)}.echo-episode-list article>div{min-width:0;display:grid;gap:4px}.echo-episode-list strong{font-size:14px;line-height:1.35}.echo-episode-list span{color:var(--echo-muted);font-size:11px}.echo-episode-list p{display:-webkit-box;margin:3px 0 0;overflow:hidden;color:var(--echo-muted);font-size:12px;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.echo-episode-status{min-height:90px;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--echo-muted);font-size:12px}.echo-episode-status.is-error{color:#b42318}.echo-episode-status button{color:inherit;background:transparent;border:0;text-decoration:underline;cursor:pointer}.echo-episode-more{min-height:44px;display:flex;align-items:center;justify-content:center;gap:7px;margin:14px auto 0;padding:0 18px;color:var(--echo-ink);background:transparent;border:1px solid var(--echo-line);border-radius:9px;cursor:pointer}.is-spinning{animation:echo-spin .8s linear infinite}@keyframes echo-spin{to{transform:rotate(1turn)}}.echo-favorites-heading{align-items:center}.echo-favorite-category-form button,.echo-favorite-create{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 14px;color:var(--echo-inverse-ink);background:var(--echo-inverse);border:1px solid var(--echo-inverse);border-radius:9px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.echo-favorite-category-form{display:flex;align-items:center;gap:8px;margin:-3px 0 17px;padding:13px;background:var(--echo-surface-soft);border:1px solid var(--echo-line);border-radius:10px}.echo-favorite-category-form input{width:min(360px,100%);height:40px;padding:0 12px;color:var(--echo-ink);background:var(--echo-surface);border:1px solid var(--echo-line);border-radius:8px;outline:0}.echo-favorite-category-form button:last-child{color:var(--echo-ink);background:transparent;border-color:var(--echo-line)}.echo-favorite-message{margin:-4px 0 16px;color:var(--echo-muted);font-size:12px}.echo-favorite-sections{display:grid;gap:34px}.echo-favorite-category>header{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:13px;border-bottom:1px solid var(--echo-line)}.echo-favorite-category>header>div{min-width:0;display:flex;align-items:baseline;gap:9px}.echo-favorite-category h2{margin:0;color:var(--echo-ink);font-size:19px;letter-spacing:-.035em}.echo-favorite-category>header span{color:var(--echo-muted);font-size:11px}.echo-favorite-category>header nav{display:flex;align-items:center;gap:4px}.echo-favorite-category>header form button,.echo-favorite-category>header nav button{width:32px;height:32px;display:grid;place-items:center;padding:0;color:var(--echo-ink);background:transparent;border:0;border-radius:50%;cursor:pointer}.echo-favorite-category>header form button:hover,.echo-favorite-category>header nav button:hover{background:var(--echo-surface-soft)}.echo-favorite-category>header form{display:flex;align-items:center;gap:3px}.echo-favorite-category>header form input{width:min(280px,42vw);height:34px;padding:0 9px;color:var(--echo-ink);background:var(--echo-surface);border:1px solid var(--echo-strong-line);border-radius:7px;outline:0}.echo-favorite-card{position:relative;content-visibility:auto;contain-intrinsic-size:0 330px}.echo-favorite-card[draggable=true]{cursor:grab}.echo-favorite-card[draggable=true]:active{cursor:grabbing}.echo-favorite-card.is-dragged{opacity:.4;transform:scale(.98)}.echo-favorite-grid.is-dragging{min-height:90px;padding:5px;outline:1px dashed var(--echo-strong-line);outline-offset:5px;border-radius:10px}.echo-favorite-drag-handle{position:absolute;z-index:2;top:9px;right:9px;width:28px;height:28px;display:grid;place-items:center;color:#fff;background:rgba(0,0,0,.68);border:1px solid rgba(255,255,255,.32);border-radius:7px;pointer-events:none}.echo-favorite-drop-empty{min-height:118px;grid-column:1/-1;display:grid;place-items:center;padding:20px;color:var(--echo-muted);background:var(--echo-surface-soft);border:1px dashed var(--echo-strong-line);border-radius:10px;font-size:12px;text-align:center}.echo-favorite-card-action>button:last-child{display:inline-flex;align-items:center;gap:5px}.echo-global-player{position:fixed;z-index:950;right:0;bottom:0;left:0;height:var(--echo-player-height);min-height:var(--echo-player-height);color:var(--echo-ink);background:var(--echo-surface);border:0;border-top:1px solid var(--echo-line);border-radius:0;box-shadow:0 16px 52px rgba(0,0,0,.12)}:root[data-theme=dark] .echo-global-player{box-shadow:0 16px 52px rgba(0,0,0,.72)}.echo-global-player.is-visually-hidden{width:1px;height:1px;min-height:0;overflow:hidden;opacity:0;pointer-events:none}.echo-global-player.is-user-hidden{display:none}.echo-global-player.is-resizing{user-select:none}.echo-player-resize-handle{position:absolute;z-index:3;top:0;right:58px;left:0;height:13px;cursor:ns-resize;touch-action:none}.echo-player-resize-handle:after{position:absolute;top:3px;left:50%;width:64px;height:3px;content:"";background:var(--echo-strong-line);border-radius:999px;opacity:.36;transform:translateX(-50%);transition:width .16s ease,opacity .16s ease}.echo-global-player.is-resizing .echo-player-resize-handle:after,.echo-player-resize-handle:focus-visible:after,.echo-player-resize-handle:hover:after{width:96px;opacity:.9}.echo-player-resize-handle:focus-visible{outline:2px solid var(--echo-ink);outline-offset:-3px}.echo-player-hide{position:absolute;z-index:4;top:9px;right:12px;width:34px;height:34px;display:grid;place-items:center;padding:0;color:var(--echo-ink);background:color-mix(in srgb,var(--echo-surface) 90%,transparent);border:1px solid var(--echo-line);border-radius:50%;cursor:pointer}.echo-player-hide:hover{background:var(--echo-surface-soft)}.echo-player-restore{position:fixed;z-index:951;right:86px;bottom:22px;width:50px;height:50px;display:grid;place-items:center;padding:0;color:var(--echo-inverse-ink);background:var(--echo-inverse);border:1px solid var(--echo-strong-line);border-radius:50%;box-shadow:0 12px 34px rgba(0,0,0,.28);cursor:pointer}.echo-player-restore:hover{transform:translateY(-2px)}.echo-player-empty{height:100%;min-height:82px;display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:13px;padding:0 58px 0 20px;color:var(--echo-ink);text-decoration:none}.echo-player-empty>span:first-child{width:38px;height:38px;display:grid;place-items:center;background:var(--echo-surface-soft);border-radius:9px}.echo-player-empty>span:nth-child(2){display:grid;gap:3px}.echo-player-empty small{color:var(--echo-muted)}.echo-player-empty b{padding:9px 12px;color:var(--echo-inverse-ink);background:var(--echo-inverse);border-radius:8px;font-size:12px}.echo-global-player:has(.echo-player-empty){min-height:82px;--echo-player-height:82px}.echo-player-expanded{height:100%;min-height:132px;display:grid;grid-template-columns:minmax(210px,.9fr) minmax(390px,1.35fr) minmax(260px,1fr);grid-template-rows:minmax(78px,1fr) 46px;align-items:center;padding:8px 18px 4px}.echo-player-identity{min-width:0;display:flex;align-items:center;gap:13px}.echo-player-cover{flex:0 0 auto;width:66px;height:66px;overflow:hidden;padding:0;background:#d5d5d5 50%/cover no-repeat;border:1px solid var(--echo-line);border-radius:8px;filter:grayscale(1)}.echo-player-cover>img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}.echo-player-identity button.echo-player-cover{cursor:pointer}.echo-player-identity>div,.echo-player-track-link{min-width:0;display:grid;gap:4px}.echo-player-track-link{padding:0;color:var(--echo-ink);background:transparent;border:0;text-align:left;cursor:pointer}.echo-player-identity strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.echo-player-identity small{color:var(--echo-muted)}.echo-player-transport{display:flex;align-items:center;justify-content:center;gap:8px}.echo-player-compact button,.echo-player-tools a,.echo-player-tools button,.echo-player-transport button{width:38px;height:38px;display:grid;place-items:center;padding:0;color:var(--echo-ink);background:transparent;border:0;border-radius:50%;text-decoration:none;cursor:pointer}.echo-player-compact button:hover,.echo-player-tools a:hover,.echo-player-tools button:hover,.echo-player-transport button:hover{background:var(--echo-surface-soft)}.echo-player-compact-controls .is-primary,.echo-player-transport .is-primary{width:48px;height:48px;color:var(--echo-inverse-ink);background:var(--echo-inverse)}.echo-player-compact-controls .is-primary:hover,.echo-player-transport .is-primary:hover{background:var(--echo-inverse)}.echo-player-transport .echo-player-rate{width:50px;border-radius:8px;font-size:12px;font-weight:800}.echo-player-tools{display:flex;align-items:center;justify-content:flex-end;gap:5px}.echo-player-tools button{position:relative}.echo-player-tools button small{position:absolute;right:0;bottom:1px;font-size:8px}.echo-player-tools .is-selected{color:var(--echo-inverse-ink);background:var(--echo-inverse)}.echo-player-timeline{grid-column:1/-1;display:grid;grid-template-columns:48px 1fr 54px;align-items:center;gap:12px;color:var(--echo-muted);font-size:11px}.echo-player-timeline input{width:100%;height:4px;margin:0;appearance:none;background:linear-gradient(to right,var(--echo-inverse) var(--echo-player-progress),var(--echo-line) var(--echo-player-progress));border-radius:999px}.echo-player-timeline input::-webkit-slider-thumb{width:12px;height:12px;appearance:none;background:var(--echo-inverse);border-radius:50%}.echo-player-queue{position:absolute;right:16px;bottom:calc(100% + 8px);width:min(340px,calc(100vw - 32px));max-height:320px;padding:10px;overflow:auto;color:var(--echo-ink);background:var(--echo-surface);border:1px solid var(--echo-line);border-radius:11px;box-shadow:0 18px 54px rgba(0,0,0,.2)}.echo-player-queue header{display:flex;align-items:center;justify-content:space-between;padding:6px 8px 10px}.echo-player-queue header button,.echo-player-queue>button{color:inherit;background:transparent;border:0;cursor:pointer}.echo-player-queue>button{width:100%;min-height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 10px;border-top:1px solid var(--echo-line)}.echo-player-queue>button.is-current{color:var(--echo-inverse-ink);background:var(--echo-inverse)}.echo-global-player.is-collapsed{min-height:64px;--echo-player-height:64px}.echo-player-compact{position:relative;min-height:62px;display:grid;grid-template-columns:46px minmax(180px,1fr) auto 42px 42px;align-items:center;gap:9px;padding:0 12px}.echo-player-compact .echo-player-cover{width:42px;height:42px;padding:0}.echo-player-track{display:grid;gap:2px;min-width:0;padding:0;text-align:left;color:var(--echo-ink);background:transparent;border:0;cursor:pointer}.echo-player-track small,.echo-player-track strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.echo-player-track small{color:var(--echo-muted);font-size:10px}.echo-player-compact-controls{display:flex;align-items:center;gap:4px}.echo-player-compact-progress{position:absolute;right:0;bottom:0;left:0;height:2px;background:var(--echo-line)}.echo-player-compact-progress i{display:block;height:100%;background:var(--echo-inverse)}@media (max-width:1180px){.echo-podcast-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.echo-player-expanded{grid-template-columns:minmax(190px,.8fr) 1.2fr auto}}@media (max-width:960px){body:has(.echo-desktop-experience){padding-top:var(--site-topbar-height)}.echo-sidebar{display:none}.echo-mobile-topbar{position:fixed;z-index:900;top:0;right:0;left:0;min-height:var(--site-topbar-height);display:flex;align-items:center;justify-content:space-between;padding:env(safe-area-inset-top,0) 14px 0;color:var(--echo-ink);background:var(--echo-page);border-bottom:1px solid var(--echo-line)}.echo-mobile-topbar nav{display:flex;align-items:center;gap:6px}.echo-mobile-favorites-link{width:40px;height:40px;display:grid;place-items:center;color:var(--echo-ink);border-radius:50%}.echo-mobile-favorites-link:hover{background:var(--echo-surface-soft)}.echo-mobile-topbar .echo-theme-toggle{width:40px;min-height:40px;justify-content:center;padding:0}.echo-mobile-topbar .echo-theme-toggle span{display:none}.echo-desktop-shell .echo-desktop-content{margin-left:0;padding-bottom:0}.echo-home-page{width:min(100% - 28px,760px);padding-top:20px}.echo-podcast-toolbar form{width:100%}.echo-podcast-heading{align-items:stretch;flex-direction:column}.echo-podcast-title-row{align-items:flex-start;flex-direction:column}.echo-podcast-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.echo-episode-overlay{left:0;bottom:0;padding:18px}}@media (min-width:768px) and (max-width:960px){.echo-desktop-shell .echo-desktop-content{padding-bottom:calc(var(--echo-player-height) + 18px)}:root[data-echo-player-hidden=true] .echo-desktop-shell .echo-desktop-content{padding-bottom:18px}.echo-player-expanded{grid-template-columns:minmax(145px,1fr) minmax(270px,1.45fr) auto;padding-right:12px;padding-left:12px}.echo-player-cover{width:56px;height:56px}.echo-player-identity{gap:9px}.echo-player-transport{gap:3px}.echo-player-tools a,.echo-player-tools button,.echo-player-transport button{width:34px;height:34px}.echo-player-transport .is-primary{width:44px;height:44px}.echo-player-transport .echo-player-rate{width:42px}.echo-player-tools{gap:1px;padding-right:40px}.echo-player-timeline{grid-template-columns:42px 1fr 48px;gap:8px}.echo-player-restore{right:80px;bottom:20px}}@media (max-width:767px){.echo-global-player,.echo-player-restore{display:none!important}}@media (max-width:560px){.echo-favorite-grid{grid-template-columns:1fr}.echo-favorite-category-form{align-items:stretch;flex-direction:column}.echo-favorite-category-form button,.echo-favorite-category-form input{width:100%}}.echo-cloud-share{display:inline-flex;align-items:center;gap:6px;margin-top:9px;padding:7px 9px;border:1px solid #36544f;border-radius:9px;color:#8ee4dc;background:#0c1918;font-size:11px;font-weight:750;cursor:pointer}.echo-cloud-share.is-shared{color:#d7d7d7;border-color:#3a3a3a;background:#171717}.echo-cloud-share:disabled{opacity:.5;cursor:wait}.is-spinning{animation:spin .8s linear infinite}.is-pulsing{animation:cloudPulse 1.3s ease-in-out infinite}@keyframes cloudPulse{50%{opacity:.35;transform:translateY(-3px)}}.cloud-material-status{min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:12px;padding:30px;color:#eee;text-align:center;background:#050505}.cloud-material-status>svg{width:48px;height:48px;color:#5fe1d6}.cloud-material-status h1,.cloud-material-status p{margin:0}.cloud-material-status p{color:#92999d}.cloud-material-status a{margin-top:8px;padding:10px 14px;border-radius:10px;color:#06100f;background:#5fe1d6;font-weight:800;text-decoration:none}.cloud-reading-player{height:100dvh;display:grid;grid-template-rows:auto 1fr;color:#eee;background:#080808}.cloud-reading-player header{display:flex;align-items:center;gap:20px;padding:14px 20px;border-bottom:1px solid #292929}.cloud-reading-player header h1{margin:0;font-size:18px}.cloud-reading-player header a{color:#5fe1d6;text-decoration:none}.cloud-reading-player iframe{width:100%;height:100%;border:0;background:#fff}.echo-learning-card{position:relative}.material-title-menu{position:relative;z-index:12}.echo-learning-card>.material-title-menu{position:absolute;right:10px;top:10px}.material-title-menu-trigger{display:grid!important;place-items:center;width:34px;height:34px;padding:0!important;border:1px solid #3a3a3a!important;border-radius:999px!important;color:#fff!important;background:rgba(8,8,8,.88)!important;backdrop-filter:blur(8px)}.material-title-menu-popover{position:absolute;right:0;top:40px;display:grid;min-width:170px;padding:7px;border:1px solid #353535;border-radius:11px;background:#151515;box-shadow:0 15px 35px rgba(0,0,0,.4)}.material-title-menu-popover>button{display:flex!important;align-items:center!important;gap:7px!important;justify-content:flex-start!important;width:100%!important;padding:9px 10px!important;border:0!important;border-radius:8px!important;color:#eee!important;background:transparent!important}.material-title-menu-popover>button:hover{background:#292929!important}.material-title-menu-popover>button:disabled{opacity:.4}.material-title-menu-popover form{display:grid;grid-template-columns:minmax(120px,1fr) 32px 32px;gap:5px}.material-title-menu-popover input{min-width:0;padding:8px;border:1px solid #424242;border-radius:7px;color:#fff;background:#090909}.material-title-menu-popover form button{display:grid!important;place-items:center!important;padding:0!important;border:1px solid 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