@font-face{font-family:Manrope;src:url('./assets/fonts/manrope-latin.woff2') format('woff2');font-weight:200 800;font-display:swap}
:root{color-scheme:dark;--paper:#090b0d;--surface:#171a1e;--ink:#f5f6f7;--muted:#b0b4bb;--accent:#d6ff62;--line:#ffffff1f;--ease-out:cubic-bezier(.23,1,.32,1);--ease-drawer:cubic-bezier(.32,.72,0,1);--font-body:-apple-system,BlinkMacSystemFont,'Segoe UI',Manrope,sans-serif;--font-display:var(--font-body);font-family:var(--font-body);font-size:16px;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{color:inherit;border:0;background:none;cursor:pointer}button,a,input,textarea{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{transition:transform 140ms var(--ease-out),background-color 140ms var(--ease-out)}button:active:not(:disabled){transform:scale(.97)}button:disabled{cursor:default}a{color:var(--accent);text-underline-offset:4px}svg{display:block}[hidden]{display:none!important}::selection{background:var(--accent);color:var(--paper)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;padding:0;border:0}.icon{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-button{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:50%}
.desktop-note,.feed-controls{display:none}.app-shell{--player-offset:0px;height:100vh;height:100dvh;width:100%;margin:auto;display:flex;flex-direction:column;background:var(--paper);overflow:hidden;position:relative;isolation:isolate}.app-header{display:flex;align-items:center;justify-content:space-between;padding:calc(14px + env(safe-area-inset-top)) 22px 8px;flex-shrink:0;gap:20px;z-index:5}.brand{display:inline-flex;align-items:center;text-decoration:none;flex-shrink:0}.brand img{display:block;width:164px;height:auto}.about-button{color:#eef0f2;background:#ffffff0a}.page-heading{display:flex;align-items:center;justify-content:space-between;padding:22px 24px 18px;gap:12px;flex-shrink:0}.page-heading h1{font-size:34px;line-height:1.06;font-weight:720;letter-spacing:-.035em;margin:0;text-wrap:balance}#page-eyebrow{font-size:14px;line-height:1.5;color:var(--muted);margin:9px 0 0}.session-progress{display:none}.filters{display:flex;gap:6px;overflow:auto;scrollbar-width:none;z-index:5}.filters::-webkit-scrollbar{display:none}.filter{position:relative;flex-shrink:0;font-size:13px;line-height:1;font-weight:600;min-height:44px;padding:0 16px;border-radius:24px;color:#f1f2f3;background:#10131680;border:1px solid #ffffff18;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.filter[aria-pressed=true]{background:#f5f6f7;color:#111416;border-color:#f5f6f7}
#main{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:none;outline:none;overflow-anchor:none}#main::-webkit-scrollbar{display:none}body[data-tab=feed] .app-header{position:absolute;inset:0 0 auto;background:linear-gradient(#05070ab3,transparent)}body[data-tab=feed] .page-heading{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);padding:0}body[data-tab=feed] .filters{position:absolute;top:calc(76px + env(safe-area-inset-top));left:22px;right:22px;padding-bottom:4px}.feed-main{scroll-snap-type:y mandatory;scroll-behavior:smooth}.idea-card{position:relative;isolation:isolate;height:100%;min-height:600px;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;background:#171f25}.scene-image{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;object-position:var(--scene-position,50% 35%);z-index:-3}.scene-shade{position:absolute;inset:0;z-index:-2;background:linear-gradient(180deg,#04070a66 0%,#04070a08 30%,#04070a20 38%,#04070abb 62%,#04070af2 85%,#04070a 100%)}.card-series{position:absolute;top:calc(151px + env(safe-area-inset-top));left:24px;display:flex;gap:9px;align-items:center;font-size:10px;font-weight:700;letter-spacing:.13em;color:#f5f6f7;text-shadow:0 1px 12px #0009}.card-series span{display:block}.card-series span+span{font-weight:450;letter-spacing:.02em;color:#d9dcdf}.card-content{position:absolute;left:24px;right:78px;bottom:calc(145px + env(safe-area-inset-bottom) + var(--player-offset));max-width:440px}.card-meta{display:flex;align-items:center;gap:9px;font-size:12px;line-height:1.5;font-weight:600;letter-spacing:.01em;color:#d6dce0;margin:0 0 12px}.card-meta .meta-separator{width:3px;height:3px;background:#b2bcc2;border-radius:50%}.topic-mark{display:none}.card-title{font-size:clamp(32px,9.7vw,44px);line-height:1.045;letter-spacing:-.035em;font-weight:740;margin:0 0 15px;text-wrap:balance;text-shadow:0 2px 18px #0003;max-width:16ch}.card-summary{font-size:15px;line-height:1.5;color:#dedfe3;margin:0 0 23px;max-width:34ch;text-shadow:0 1px 8px #0007}.card-actions{display:flex;align-items:center;gap:20px}.listen-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:46px;min-width:111px;padding:10px 20px;border-radius:28px;background:var(--accent);color:#11170a;font-size:14px;font-weight:680;white-space:nowrap}.listen-button .icon{width:18px;height:18px}.listen-button.is-playing{background:#fff;color:#111}.apply-button{display:flex;align-items:center;gap:6px;min-height:44px;font-size:13px;font-weight:600;white-space:nowrap;padding:0}.apply-button .icon{width:16px;height:16px}.card-rail{position:absolute;right:14px;bottom:calc(145px + env(safe-area-inset-bottom) + var(--player-offset));display:flex;flex-direction:column;gap:17px}.rail-action{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:48px;min-height:64px;padding:0;font-size:11px;font-weight:500;color:#eff1f3}.rail-action .icon{box-sizing:content-box;padding:12px;width:23px;height:23px;border:1px solid #ffffff24;border-radius:50%;background:#17202480;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.rail-action[aria-pressed=true]{color:var(--accent)}.rail-action[aria-pressed=true] .icon{fill:#d6ff6233}.card-foot{position:absolute;bottom:calc(94px + env(safe-area-inset-bottom) + var(--player-offset));left:24px;right:24px;display:flex;align-items:center;justify-content:space-between;gap:10px;color:#afb6bc}.card-foot p{margin:0;font-size:11px;display:flex;align-items:center;gap:6px}.card-foot .icon{width:13px;height:13px}.next-button{font-size:11px;display:flex;align-items:center;gap:7px;min-height:44px;padding:0;color:#cdd3d7}.next-button .icon{width:15px;height:15px}.seen-dot{color:#d6ff62!important}.bottom-nav{position:absolute;bottom:calc(14px + env(safe-area-inset-bottom));left:16px;right:16px;display:flex;justify-content:space-around;background:#161b20d9;border:1px solid #ffffff26;border-radius:32px;padding:4px;z-index:7;backdrop-filter:blur(24px) saturate(140%);-webkit-backdrop-filter:blur(24px) saturate(140%);box-shadow:0 8px 28px #0003}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:10px;font-weight:550;min-height:55px;flex:1;color:#b5bbc3;position:relative;border-radius:27px;padding:5px 8px}.nav-item>span:first-child{display:grid;place-items:center}.nav-item .icon{width:22px;height:22px}.nav-item.active{color:#f5f6f7;background:#ffffff14}.nav-item.active .icon{stroke-width:2}.nav-item.active[data-tab=feed] .icon{fill:#f5f6f71a}.nav-badge{position:absolute;top:0;left:calc(50% + 8px);background:var(--accent);color:#11170a;font-size:10px;border:2px solid #22282c;border-radius:12px;min-width:16px;padding:1px 4px;line-height:1.2}
/* The player floats above navigation. The scene makes room; controls never cover its text. */
.app-shell:has(.player:not([hidden])){--player-offset:132px}.player{position:absolute;left:16px;right:16px;bottom:calc(90px + env(safe-area-inset-bottom));padding:10px 14px 4px;border-radius:21px;background:#1a2026f5;color:var(--ink);border:1px solid #ffffff24;z-index:6;box-shadow:0 8px 24px #0004}.player-top{display:flex;align-items:center;gap:6px}.player-art{width:24px;height:34px;display:flex;align-items:center;justify-content:center;gap:3px;flex-shrink:0;color:var(--accent)}.player-art i{width:3px;height:10px;background:currentColor;border-radius:3px}.player-art i:nth-child(2){height:20px}.player-art i:nth-child(3){height:14px}.player-art i:nth-child(4){height:7px}.player.is-playing .player-art i{animation:wave .85s linear alternate infinite}.player.is-playing .player-art i:nth-child(2){animation-delay:.3s}.player.is-playing .player-art i:nth-child(3){animation-delay:.15s}.player-copy{min-width:0;flex:1}.player-copy>span{font-size:11px;line-height:1.5;color:#b0bbc2;display:block}.player-copy button{font-size:12px;line-height:1.4;font-weight:600;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;padding:0;display:block;min-height:28px}.speed-button{font-size:11px;font-weight:600;min-height:44px;min-width:35px;border-radius:12px;padding:0}.player .icon-button{min-width:36px;min-height:44px}.player .icon{width:20px;height:20px}.player-toggle{color:var(--accent)}.player-close{color:#bdc4ca}.player-bottom{display:flex;align-items:center;gap:8px}.player-bottom span{font-size:10px;color:#b6c0c7;width:25px;font-variant-numeric:tabular-nums}.player-bottom span:last-child{text-align:right}input[type=range]{accent-color:var(--accent);height:27px;min-width:0;flex:1;width:100%;cursor:pointer}.player button:disabled{opacity:.5}.speech-status-row{display:flex;align-items:center;gap:9px;min-height:23px}.speech-status{flex:1;margin:0;font-size:11px;line-height:1.4;color:#bac4cb}.speech-status-row .text-button{color:var(--accent);font-size:11px;min-height:28px;padding:4px 0;flex-shrink:0}.speech-progress{display:block;width:100%;height:3px;accent-color:var(--accent);margin:4px 0;border:0;border-radius:2px;overflow:hidden}.speech-progress::-webkit-progress-bar{background:#485159}.speech-progress::-webkit-progress-value{background:var(--accent)}.speech-timing{display:none!important}.audio-error{font-size:12px;line-height:1.5;color:#ffc2b3;margin:7px 0}.player.is-buffering .player-art i{animation-play-state:paused}
/* Collections: content posters instead of nested UI cards. */
.explore-main,.saved-main,.review-main{padding:0 24px calc(110px + env(safe-area-inset-bottom) + var(--player-offset))}.explore-content{max-width:1120px;margin:auto}.explore-search{display:flex;gap:10px;align-items:center;position:relative;margin:0 0 24px;padding:0 15px;background:#1a1e22;border:1px solid #ffffff14;border-radius:15px;min-height:48px;color:var(--muted)}.explore-search input{width:100%;height:48px;background:transparent;color:var(--ink);border:0;outline-offset:5px;font-size:16px;min-width:0}.explore-search input::placeholder{color:#a1a8b0}.explore-search .icon{width:20px;height:20px}.catalog-hero{position:relative;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate;width:100%;min-height:260px;border-radius:24px;padding:25px;margin-bottom:32px;text-align:left;background:#1a252b}.catalog-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 30%;z-index:-2}.catalog-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#06090df0,transparent 100%);z-index:-1}.catalog-hero span{display:block}.catalog-hero .hero-kicker,.catalog-hero small{font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;color:#dbe4e9}.catalog-hero h2,.catalog-hero strong{font-size:32px;line-height:1.08;letter-spacing:-.03em;font-weight:710;display:block;max-width:12ch;margin:10px 0}.catalog-hero p{margin:10px 0 0;font-size:13px;line-height:1.5;color:#d3dbe0;max-width:35ch}.catalog-section{margin:0 0 32px}.catalog-section-header{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 15px}.catalog-section h2{font-size:20px;font-weight:650;letter-spacing:-.025em;margin:0}.catalog-section-header p,.catalog-section>p{font-size:12px;color:var(--muted);margin:6px 0 14px}.poster-row{display:grid;grid-auto-flow:column;grid-auto-columns:46%;gap:12px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;scrollbar-width:none;padding:3px 1px 12px;margin:0 -1px}.poster-row::-webkit-scrollbar{display:none}.poster-card{position:relative;isolation:isolate;display:flex;align-items:flex-end;aspect-ratio:2/3;min-width:0;border-radius:16px;overflow:hidden;padding:16px;text-align:left;background:#1b252c;scroll-snap-align:start}.poster-card>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--scene-position,50% 30%);z-index:-2}.poster-card::after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,#080c10f5,transparent 95%)}.poster-copy{display:flex;flex-direction:column;gap:7px}.poster-copy strong{font-size:18px;font-weight:650;line-height:1.15;letter-spacing:-.025em}.poster-copy span,.poster-copy small{font-size:11px;line-height:1.5;color:#c2cbd1}.search-status{color:var(--muted);font-size:13px;margin:0 0 16px}.view-intro{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 23px}.saved-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.saved-item{min-width:0;position:relative}.saved-item .poster-card{width:100%;height:100%;min-height:225px}.saved-item>.icon-button{position:absolute;right:7px;top:7px;background:#121a21c9;color:var(--accent);border:1px solid #ffffff24}.saved-item>.icon-button .icon{width:19px;height:19px}.saved-item .poster-copy strong{font-size:19px}
.empty-state{max-width:440px;padding:55px 0 28px;margin:auto}.empty-illustration{width:64px;height:64px;color:var(--accent);display:grid;place-items:center;margin:0 0 26px;background:#d6ff6210;border:1px solid #d6ff6233;border-radius:20px}.empty-illustration .icon{width:28px;height:28px}.empty-state h2{font-size:34px;line-height:1.1;letter-spacing:-.035em;margin:0 0 16px;font-weight:700;max-width:15ch}.empty-state p{font-size:15px;line-height:1.65;color:var(--muted);max-width:34ch;margin:0 0 25px}.primary-button{background:var(--accent);color:#12180c;padding:14px 22px;border-radius:28px;font-size:14px;font-weight:650;min-height:48px}.secondary-button{border:1px solid #ffffff40;padding:13px 20px;border-radius:28px;font-size:14px;min-height:48px;font-weight:600;background:#ffffff08}.review-main{max-width:720px;width:100%;margin:auto}.review-banner{padding:3px 0 22px;margin:0 0 24px;border-bottom:1px solid var(--line)}.review-banner p,.review-banner h2{display:none}.review-stats{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.review-pills{display:flex;gap:4px;margin:20px 0 0}.review-pills span{height:3px;background:#343b41;flex:1;border-radius:2px}.review-pills span.done{background:var(--accent)}.question-topic{font-size:12px;color:var(--accent);margin:0 0 12px;font-weight:600}.review-question h3{font-size:27px;line-height:1.2;letter-spacing:-.025em;margin:0 0 26px;font-weight:630;max-width:30ch}.answer-options{display:flex;flex-direction:column;gap:11px}.answer-option{display:flex;gap:14px;align-items:center;text-align:left;border:1px solid #ffffff24;background:#171b20;border-radius:16px;padding:17px 15px;font-size:14px;line-height:1.5;min-height:66px}.answer-letter{flex-shrink:0;width:29px;height:29px;border:1px solid #ffffff33;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:550}.answer-option.correct{border-color:var(--accent);background:#d6ff6210}.answer-option.incorrect{border-color:#ffab95;background:#ffab9510}.answer-option>.icon{width:20px;height:20px;margin-left:auto}.answer-feedback{font-size:14px;line-height:1.6;margin-top:24px;padding:0 0 4px}.answer-feedback strong{display:block;font-size:16px;margin-bottom:9px}.answer-feedback p{margin:0;color:var(--muted)}.review-question .primary-button{width:100%;margin-top:22px}.review-complete small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:22px}
.toast{position:fixed;bottom:calc(96px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%,8px);background:#eef1f4;color:#14181c;padding:13px 18px;border-radius:24px;font-size:13px;line-height:1.5;box-shadow:0 6px 24px #0005;z-index:20;pointer-events:none;opacity:0;transition:opacity 160ms var(--ease-out),transform 160ms var(--ease-out);max-width:min(420px,calc(100vw - 32px));text-align:center;width:max-content}.toast.visible{opacity:1;transform:translate(-50%,0)}.sheet{border:1px solid #ffffff26;border-bottom:0;border-radius:30px 30px 0 0;max-width:600px;width:100%;max-height:92vh;max-height:92dvh;margin:auto auto 0;padding:28px 26px calc(32px + env(safe-area-inset-bottom));background:#171b20;color:var(--ink);overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#4c555f transparent}.sheet[open]{animation:sheet-in 210ms var(--ease-drawer)}.sheet::backdrop{background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.sheet-handle{width:34px;height:4px;border-radius:3px;background:#616b76;position:absolute;top:11px;left:calc(50% - 17px)}.sheet-close{position:sticky;top:0;float:right;margin:-10px -12px 0 12px;z-index:2;background:#2d343c}.sheet-label{font-size:12px;color:var(--accent)!important;margin:12px 42px 12px 0}.sheet h2{font-size:33px;line-height:1.09;letter-spacing:-.03em;font-weight:700;margin:18px 24px 25px 0;text-wrap:balance}.sheet h3{font-size:15px;font-weight:650;margin:27px 0 10px}.sheet p{font-size:16px;line-height:1.65;color:#c6cdd3}.sheet .practice-box{background:#ffffff06;border:1px solid #ffffff1f;border-radius:20px;padding:20px;margin:27px -5px}.practice-box h3{margin:0 0 11px;color:var(--accent);font-size:13px}.practice-box p{margin:0;color:var(--ink);font-size:21px;line-height:1.35;font-weight:550;letter-spacing:-.015em}.note-label{font-size:12px;font-weight:600;color:var(--muted);display:block;margin:24px 0 10px}textarea{resize:vertical;display:block;width:100%;min-height:112px;border:1px solid #4b5661;padding:14px;border-radius:13px;font-size:16px;line-height:1.6;color:var(--ink);background:#0d1116;caret-color:var(--accent)}textarea::placeholder{color:#9ca7b2;opacity:1}.note-status{display:block;font-size:11px!important;color:var(--muted)!important;margin:9px 0 0!important;min-height:22px}.source-box{margin:27px 0}.source-box h3{margin-top:0}.source-box a{font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:5px;min-height:44px}.source-box p{font-size:13px;color:var(--muted);margin:9px 0}.sheet .primary-button.full{width:100%;margin-top:10px}.about-list{padding:0;list-style:none;display:flex;flex-direction:column;gap:22px;margin:28px 0}.about-list li{font-size:14px;line-height:1.65;display:flex;gap:13px;align-items:flex-start;color:#c6cdd3}.about-list .icon{color:var(--accent);width:21px;height:21px;margin-top:3px}.prototype-label{display:none}.text-button{font-size:13px;font-weight:600;color:var(--accent);padding:11px 0;text-align:left;min-height:44px}.sheet .license-note{font-size:12px;line-height:1.6;margin-bottom:0}.loading-state{padding:180px 28px;text-align:center;font-size:14px;line-height:1.7;color:var(--muted)}.loading-state button{display:block;margin:22px auto}.session-end{height:100%;min-height:600px;scroll-snap-align:start;display:flex;align-items:center;justify-content:center;padding:140px 28px 130px;background:#0c1115}.session-end .empty-state{padding-top:0}.session-end .secondary-button{display:block;margin-top:12px}.audio-setup-actions{display:flex;flex-direction:column;gap:10px;margin-top:26px}.audio-setup-actions button{width:100%}
@keyframes wave{to{transform:scaleY(.45)}}@keyframes sheet-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media(hover:hover) and (pointer:fine){.icon-button:hover{background:#ffffff20}.listen-button:hover,.primary-button:hover{background:#e5ff9d}.apply-button:hover{text-decoration:underline;text-underline-offset:4px}.nav-item:hover{background:#ffffff0c;color:#fff}.nav-item.active:hover{background:#ffffff1a}.player .icon-button:hover,.speed-button:hover{background:#ffffff10}.answer-option:not(:disabled):hover{border-color:#909da8}.secondary-button:hover{background:#ffffff12}.poster-card:hover .poster-copy strong{text-decoration:underline;text-underline-offset:3px}.filter[aria-pressed=false]:hover{background:#303940cf}.rail-action:hover .icon{background:#4c5964aa}}
@media(min-width:760px){.explore-main,.saved-main{padding-left:40px;padding-right:40px}.page-heading{padding-left:40px;padding-right:40px}.poster-row{grid-auto-columns:calc((100% - 32px)/3);gap:16px}.saved-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-hero{min-height:330px;padding:32px}.catalog-hero h2,.catalog-hero strong{font-size:44px}.poster-copy strong{font-size:24px}.card-content{left:44px;right:100px;max-width:570px}.card-title{font-size:60px;max-width:16ch}.card-summary{font-size:18px;max-width:36ch}.card-rail{right:30px}.card-series{left:44px}.card-foot{left:44px;right:36px}.bottom-nav{max-width:500px;margin:auto}.player{max-width:600px;margin:auto}.review-main{padding-top:12px}.review-question h3{font-size:32px}}
@media(min-width:1050px){body{height:100vh;height:100dvh;display:flex;overflow:hidden}.desktop-note{display:flex;flex-direction:column;width:244px;flex-shrink:0;padding:35px 22px 24px;border-right:1px solid #ffffff0b;background:#0c0e11}.brand-large img{width:191px}.sidebar-nav{display:flex;flex-direction:column;gap:5px;margin:50px 0 36px}.sidebar-nav .nav-item{min-height:52px;flex-direction:row;justify-content:flex-start;gap:14px;font-size:14px;padding:0 17px;border-radius:13px;flex:none}.sidebar-nav .nav-item.active{background:#ffffff0c;color:var(--accent)}.sidebar-nav .nav-item .icon{width:21px;height:21px}.sidebar-collection{display:flex;flex-direction:column;gap:9px}.sidebar-collection>span{font-size:9px;letter-spacing:.1em;color:#9ba5ae;margin:0 12px 12px;line-height:1.5}.sidebar-collection button{display:flex;align-items:center;gap:12px;text-align:left;min-height:68px;padding:5px 10px;border-radius:10px}.sidebar-collection img{object-fit:cover;border-radius:7px}.sidebar-collection button>span{font-size:12px;line-height:1.4;font-weight:550}.sidebar-collection small{display:block;color:#9aa5af;font-size:11px;font-weight:400;margin-top:5px}.desktop-footer{margin-top:auto;padding:28px 12px 0;color:var(--muted)}.desktop-footer p{font-size:20px;line-height:1.2;letter-spacing:-.02em;font-weight:550;margin:15px 0 12px;color:#c9cfd4}.desktop-footer .text-button{font-size:11px;color:#a6afb9}.app-shell{margin:0;width:calc(100% - 244px);max-width:none;border:0}.app-header{padding:23px 36px 8px;min-height:75px}.app-header .brand{visibility:hidden}.about-button{margin-left:auto}.page-heading{padding:12px 44px 30px}.page-heading h1{font-size:40px}body[data-tab=feed] .filters{left:44px;right:auto;top:26px}.filter{font-size:13px;padding:0 21px}body[data-tab=feed] .app-header{pointer-events:none}.app-header .about-button{pointer-events:auto}.bottom-nav{display:none}.idea-card{min-height:590px}.scene-image{object-position:50% 37%}.scene-shade{background:linear-gradient(90deg,#05090c55,transparent 80%),linear-gradient(0deg,#05090dfc 0%,#05090dc4 32%,#05090d0a 75%,#05090d55 100%)}.card-series{top:106px;left:48px;font-size:11px}.card-content{left:60px;bottom:calc(105px + var(--player-offset));max-width:580px;right:145px}.card-title{font-size:clamp(45px,4.8vw,72px);line-height:1.02;max-width:15ch;margin-bottom:22px}.card-meta{font-size:13px;margin-bottom:15px}.card-summary{font-size:18px;margin-bottom:28px}.listen-button{min-height:50px;min-width:128px;font-size:15px}.apply-button{font-size:14px}.card-actions{gap:27px}.card-rail{right:42px;bottom:calc(112px + var(--player-offset));gap:24px}.card-foot{left:60px;right:43px;bottom:calc(40px + var(--player-offset));max-width:580px}.card-foot p,.next-button{font-size:12px}.feed-controls{display:none;position:absolute;right:40px;top:calc(50% - 55px);z-index:4;flex-direction:column;gap:10px}.feed-controls button{width:46px;height:46px;border:1px solid #ffffff29;background:#111a2188;backdrop-filter:blur(12px)}body[data-tab=feed] .feed-controls{display:flex}.app-shell:has(.player:not([hidden])){--player-offset:136px}.player{left:48px;right:auto;bottom:24px;width:510px;max-width:calc(100% - 150px);padding:12px 17px 6px}.player .icon-button{min-width:44px}.player-copy button{font-size:13px}.player-copy>span{font-size:11px}.speech-status{font-size:11px}.toast{left:calc(50% + 122px);bottom:28px}.sheet{border-radius:28px;border:1px solid #ffffff26;margin:auto;max-width:590px;max-height:88dvh;padding:32px}.explore-main,.saved-main{padding:0 44px calc(40px + var(--player-offset))}.explore-search{max-width:560px}.catalog-hero{min-height:300px;margin-bottom:34px}.catalog-hero>img{object-position:50% 35%}.catalog-hero h2,.catalog-hero strong{max-width:16ch;font-size:44px}.catalog-section h2{font-size:24px}.poster-row{grid-auto-columns:calc((100% - 36px)/3);gap:18px}.poster-card{aspect-ratio:4/4.7;padding:23px;border-radius:20px}.poster-copy strong{font-size:clamp(19px,2vw,28px)}.poster-copy span,.poster-copy small{font-size:12px}.saved-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.review-main{padding-bottom:calc(40px + var(--player-offset))}.review-question h3{font-size:33px}.session-end{padding:100px 50px}.session-end .empty-state{max-width:500px}.session-end .empty-state h2{font-size:52px}.session-end .empty-state p{font-size:18px}}
@media(max-height:740px) and (max-width:1049px){.app-header{padding-top:calc(8px + env(safe-area-inset-top))}.idea-card{min-height:560px}body[data-tab=feed] .filters{top:calc(65px + env(safe-area-inset-top))}.card-series{top:calc(126px + env(safe-area-inset-top))}.card-content{bottom:calc(130px + env(safe-area-inset-bottom) + var(--player-offset))}.card-title{font-size:32px;max-width:17ch;margin-bottom:12px}.card-summary{font-size:14px;line-height:1.45;margin-bottom:16px}.card-meta{margin-bottom:9px}.card-rail{bottom:calc(132px + env(safe-area-inset-bottom) + var(--player-offset))}.card-foot{bottom:calc(84px + env(safe-area-inset-bottom) + var(--player-offset))}.bottom-nav{bottom:calc(9px + env(safe-area-inset-bottom))}.app-shell:has(.player:not([hidden])) .card-summary,.app-shell:has(.player:not([hidden])) .card-series{display:none}.app-shell:has(.player:not([hidden])) .card-title{font-size:30px}.app-shell:has(.player:not([hidden])) .card-content{bottom:calc(133px + var(--player-offset))}}
@media(max-width:359px){.app-header{padding-left:18px;padding-right:18px}.brand img{width:148px}body[data-tab=feed] .filters{left:18px;right:14px;gap:5px}.filter{padding:0 12px;font-size:12px}.card-series{left:20px;font-size:9px}.card-content{left:20px;right:67px}.card-title{font-size:30px}.card-summary{font-size:14px}.card-actions{gap:14px}.listen-button{min-width:94px;padding:10px 15px;font-size:13px}.apply-button{font-size:12px;gap:3px}.card-rail{right:7px}.rail-action .icon{padding:10px;width:22px;height:22px}.card-foot{left:20px;right:16px}.card-foot p{font-size:10px}.next-button{font-size:10px}.player{left:10px;right:10px;padding-left:10px;padding-right:10px}.player-art{display:none}.bottom-nav{left:10px;right:10px}.page-heading,.saved-main,.review-main,.explore-main{padding-left:20px;padding-right:20px}.poster-copy strong{font-size:17px}.poster-card{padding:12px}.sheet{padding-left:22px;padding-right:22px}}
@media(prefers-reduced-transparency:reduce){.bottom-nav,.player,.filter,.rail-action .icon{backdrop-filter:none;-webkit-backdrop-filter:none;background:#171d23}.filter[aria-pressed=true]{background:#f5f6f7}.sheet::backdrop{backdrop-filter:none;-webkit-backdrop-filter:none;background:#000c}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}button:active:not(:disabled){transform:none}}html[data-input=keyboard] *,html[data-input=keyboard] *::before,html[data-input=keyboard] *::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}html[data-input=keyboard] button:active:not(:disabled){transform:none}

/* Integration refinements: readable controls and immediate search results. */
.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:9px}.primary-button .icon{width:18px;height:18px}.card-series{font-size:11px;letter-spacing:.08em}.nav-item{font-size:11px}.nav-badge,.player-bottom span{font-size:11px}.next-button{min-width:44px;justify-content:center}.catalog-section h2{margin-bottom:15px}.catalog-hero p{margin-bottom:11px}.catalog-hero .primary-button{margin-top:10px}.explore-content.is-searching .catalog-hero{display:none}.search-status:empty{display:none}.sidebar-collection>span{font-size:11px;letter-spacing:.04em}.card-foot p{font-size:11px}.player .icon-button,.speed-button{min-width:44px}.speech-status-row .text-button{min-height:44px}.speech-status-row:has(.text-button:not([hidden])){min-height:44px}

.explore-search:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:4px}.explore-search input:focus-visible{outline:none}

/* Sound follows the visible idea after the first intentional tap. */
.feed-sound{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;min-width:44px;border-radius:24px;padding:0 13px;border:1px solid #ffffff26;background:#151b22bf;backdrop-filter:blur(16px);color:#f5f6f7;font-size:11px;font-weight:600;white-space:nowrap;pointer-events:auto;margin-left:auto}.feed-sound .icon{width:18px;height:18px}.feed-sound.is-active{color:var(--accent)}body:not([data-tab=feed]) .feed-sound{display:none}.app-header{gap:10px}.app-header .about-button{margin-left:0}.app-header .brand img{width:150px}body[data-tab=feed] .filters{mask-image:linear-gradient(to right,#000 94%,transparent)}
@media(min-width:1050px){.app-header{justify-content:flex-end}.app-header .brand{display:none}body[data-tab=feed] .filters{right:230px}.feed-sound{margin-left:auto}}
@media(max-width:359px){.app-header{gap:6px}.app-header .brand img{width:136px}.feed-sound{padding:0 10px;gap:5px}.about-button{min-width:38px}.feed-sound span{font-size:10px}}

.app-shell:has(.player:not([hidden])) .scene-shade{background:linear-gradient(180deg,#04070a44 0%,#04070a22 20%,#04070a99 38%,#04070ae6 62%,#04070a 100%)}.sheet .image-credit{font-size:11px;line-height:1.6;color:var(--muted);margin:22px 0}.image-credit a{color:var(--muted)}

/* The single timeline shows played audio over prepared audio. Its layout never changes. */
body[data-tab=feed][data-sound-enabled=true] .app-shell{--player-offset:132px}
.player{height:108px;padding:7px 14px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.player-top{height:44px;min-height:44px}
.player-copy>span{line-height:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-copy button{min-height:0;line-height:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-bottom{height:44px;min-height:44px;gap:8px}
.player-bottom span{width:34px;flex:0 0 34px;font-size:11px;font-variant-numeric:tabular-nums}
.audio-timeline{position:relative;display:flex;align-items:center;flex:1;min-width:0;height:44px}
.timeline-track{position:absolute;left:0;right:0;height:3px;border-radius:3px;background:#45515a;overflow:hidden;pointer-events:none}
.timeline-buffer,.timeline-played{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:3px}
.timeline-buffer{background:#a9b4ba}.timeline-played{background:var(--accent)}
.speech-progress{position:absolute;inset:0;width:100%;height:3px;margin:0;opacity:0;pointer-events:none}
.audio-timeline.is-preparing .timeline-track::after{content:'';position:absolute;top:0;bottom:0;width:28%;background:#a9b4ba;animation:timeline-load 1.25s ease-in-out infinite}
@keyframes timeline-load{from{left:-28%}to{left:100%}}
.audio-timeline input[type=range]{position:absolute;inset:0;appearance:none;-webkit-appearance:none;width:100%;height:44px;margin:0;background:transparent;cursor:pointer}
.audio-timeline input[type=range]::-webkit-slider-runnable-track{height:44px;background:transparent}
.audio-timeline input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;margin-top:16px;border:2px solid #1a2026;border-radius:50%;background:var(--accent)}
.audio-timeline input[type=range]::-moz-range-track{height:3px;background:transparent}
.audio-timeline input[type=range]::-moz-range-thumb{width:10px;height:10px;border:2px solid #1a2026;border-radius:50%;background:var(--accent)}
.audio-timeline input[type=range]:disabled{cursor:default}
.audio-timeline input[type=range]:disabled::-webkit-slider-thumb{opacity:0}
.audio-timeline input[type=range]:disabled::-moz-range-thumb{opacity:0}
.audio-timeline input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
@media(min-width:1050px){body[data-tab=feed][data-sound-enabled=true] .app-shell{--player-offset:136px}.player{padding:7px 17px}}
@media(prefers-reduced-motion:reduce){.audio-timeline.is-preparing .timeline-track::after{animation:none;left:0;width:100%;opacity:.55}}