/* Shared video surface: isolated names, with each concept retaining its own mood. */
:is(.bwv-library,.bwv-home,.bwv-dialog){--bwv-bg:#fff;--bwv-ink:#2d2630;--bwv-muted:#6b6070;--bwv-accent:#9131ac;--bwv-soft:#faf2fc;--bwv-line:#ded4e2;--bwv-on-accent:#fff;color:var(--bwv-ink);background:var(--bwv-bg);font-family:inherit}
:is(.bwv-library,.bwv-home,.bwv-dialog)[data-concept="2"]{--bwv-bg:#faf9f5;--bwv-ink:#293b35;--bwv-muted:#59675f;--bwv-accent:#65519b;--bwv-soft:#eeece8;--bwv-line:#d8ddd6}
:is(.bwv-library,.bwv-home,.bwv-dialog)[data-concept="3"]{--bwv-bg:#f9f8f5;--bwv-ink:#222124;--bwv-muted:#626067;--bwv-accent:#a01b86;--bwv-soft:#f0dcea;--bwv-line:#cfcbd0}
:is(.bwv-library,.bwv-home,.bwv-dialog)[data-concept="4"]{--bwv-bg:#111c25;--bwv-ink:#edf6fa;--bwv-muted:#acbdc9;--bwv-accent:#80def6;--bwv-soft:#1d2c38;--bwv-line:#3b4c59;--bwv-on-accent:#10212b}
:is(.bwv-library,.bwv-home,.bwv-dialog)[data-concept="5"]{--bwv-bg:#f9f5ee;--bwv-ink:#38332c;--bwv-muted:#6f665b;--bwv-accent:#78518e;--bwv-soft:#eee7dc;--bwv-line:#d6cdbc}
.bwv-library,.bwv-home{width:100%;overflow-wrap:anywhere;isolation:isolate}.bwv-library *,.bwv-home *,.bwv-dialog *{box-sizing:border-box}.bwv-library [hidden],.bwv-home [hidden]{display:none!important}
.bwv-container{width:min(1280px,calc(100% - clamp(40px,8vw,128px)));margin-inline:auto}
.bwv-hero{background:var(--bwv-soft);padding:clamp(52px,7vw,100px) 0 46px;border-bottom:1px solid var(--bwv-line)}
.bwv-kicker{font-size:12px!important;letter-spacing:.11em;text-transform:uppercase;font-weight:600;color:var(--bwv-accent);margin:0 0 22px!important;line-height:1.5!important}
.bwv-library .bwv-hero h1{font:inherit;font-size:clamp(44px,6.7vw,100px);font-weight:500;letter-spacing:-.065em;line-height:1.02;max-width:1020px;margin:0 0 42px;color:var(--bwv-ink)}
.bwv-hero-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:28px}.bwv-hero-bottom>p{font-size:clamp(17px,1.8vw,22px);line-height:1.5;max-width:540px;margin:0;color:var(--bwv-muted)}
.bwv-link{color:var(--bwv-accent);font-size:16px;font-weight:600;line-height:1.4;text-decoration:none;display:inline-block;padding-block:10px;border-bottom:1px solid currentColor;max-width:100%}
.bwv-content{padding-top:64px;padding-bottom:64px}.bwv-section-head{margin-bottom:32px}.bwv-section-head .bwv-kicker{margin-bottom:10px!important}
.bwv-library h2,.bwv-home h2{font:inherit;font-size:clamp(30px,4vw,56px);font-weight:500;letter-spacing:-.045em;line-height:1.08;margin:0;color:var(--bwv-ink)}
.bwv-tools{display:flex;gap:24px;align-items:flex-end;margin:32px 0 18px}.bwv-tools label{display:flex;flex-direction:column;gap:9px;font-size:12px;font-weight:600;color:var(--bwv-muted);min-width:0}.bwv-tools .bwv-search{flex:1}.bwv-tools input,.bwv-tools select{font:inherit;font-size:16px;font-weight:400;line-height:1.3;color:var(--bwv-ink);background:var(--bwv-bg);border:1px solid var(--bwv-line);border-radius:0;min-height:52px;padding:12px 16px;max-width:100%;width:100%}.bwv-tools select{min-width:220px}.bwv-tools input::placeholder{color:var(--bwv-muted);opacity:1}.bwv-count{color:var(--bwv-muted);font-size:13px;margin:18px 0 26px}
.bwv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:46px 28px;align-items:start}.bwv-item{min-width:0;padding:0;background:transparent;border:0;box-shadow:none;border-radius:0;margin:0;color:var(--bwv-ink)}
.bwv-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bwv-soft);color:#fff;text-decoration:none;isolation:isolate}.bwv-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}.bwv-media:after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.65));z-index:0}.bwv-media:hover img{transform:scale(1.035)}.bwv-image-fallback{display:grid;place-items:center;width:100%;height:100%;color:var(--bwv-accent);font-size:clamp(20px,2vw,32px);letter-spacing:-.05em;font-weight:600}
.bwv-play{position:absolute;inset:0;display:grid;place-items:center;margin:auto;width:54px;height:54px;border-radius:50%;background:#fff;color:#28232c;font-size:17px;padding-left:3px;z-index:1;transition:transform .22s,background .22s}.bwv-media:hover .bwv-play{transform:scale(1.1);background:var(--bwv-accent);color:var(--bwv-on-accent)}.bwv-media-label{position:absolute;left:18px;bottom:14px;z-index:1;color:#fff;font-size:12px;letter-spacing:.03em}
.bwv-meta{display:flex;justify-content:space-between;gap:12px;color:var(--bwv-muted);font-size:11px;letter-spacing:.05em;text-transform:uppercase;line-height:1.4;margin:18px 0 11px}.bwv-meta time{white-space:nowrap}.bwv-item .bwv-title{font:inherit;font-size:clamp(20px,1.7vw,25px);font-weight:500;letter-spacing:-.025em;line-height:1.25;margin:0 0 12px;color:var(--bwv-ink)}.bwv-title a{color:inherit;text-decoration:none}.bwv-title a:hover{color:var(--bwv-accent);text-decoration:underline;text-underline-offset:4px}
.bwv-item .bwv-description{font-size:14px;line-height:1.6;color:var(--bwv-muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.bwv-youtube{color:var(--bwv-muted);font-size:12px;line-height:1.6;text-decoration:underline;text-underline-offset:4px;display:inline-block;padding-block:8px}.bwv-youtube:hover{color:var(--bwv-accent)}
.bwv-button{display:inline-flex;align-items:center;justify-content:center;max-width:100%;min-height:52px;gap:10px;border:1px solid var(--bwv-accent);border-radius:0;background:var(--bwv-accent);color:var(--bwv-on-accent);padding:15px 23px;font:inherit;font-size:15px;line-height:1.4;font-weight:600;text-align:center;cursor:pointer;transition:filter .2s,transform .2s}.bwv-button:hover{filter:brightness(1.1);transform:translateY(-2px)}.bwv-more{display:flex;justify-content:center;margin-top:40px}.bwv-empty{padding:42px 0;border-block:1px solid var(--bwv-line);max-width:100%;color:var(--bwv-muted)}.bwv-empty p{font-size:20px;margin:0 0 8px}.bwv-no-results{padding-block:32px;color:var(--bwv-muted);line-height:1.6}
.bwv-upcoming{padding-bottom:60px;margin-bottom:60px;border-bottom:1px solid var(--bwv-line)}.bwv-upcoming .bwv-meta>span{color:var(--bwv-accent)}.bwv-demo{border-top:1px solid var(--bwv-line);margin-top:76px;padding-top:55px;display:flex;gap:36px;justify-content:space-between;align-items:center}.bwv-demo>div{max-width:620px}.bwv-demo p:not(.bwv-kicker){font-size:17px;line-height:1.6;color:var(--bwv-muted);max-width:430px;margin:20px 0 0}
.bwv-home{padding-block:clamp(64px,7vw,104px);border-block:1px solid var(--bwv-line)}.bwv-home-heading{display:grid;grid-template-columns:1.3fr 1fr;gap:64px;align-items:end;margin-bottom:42px}.bwv-home-heading>div>p:not(.bwv-kicker){font-size:18px;line-height:1.6;color:var(--bwv-muted);max-width:370px;margin:0 0 15px}.bwv-home-end{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--bwv-line);margin-top:40px;padding-top:20px}.bwv-home .bwv-upcoming{margin-top:64px;margin-bottom:0;border-top:1px solid var(--bwv-line);border-bottom:0;padding-top:48px;padding-bottom:0}
.bwv-library[data-concept="1"] .bwv-hero h1{font-family:Georgia,'Times New Roman',serif;font-weight:400}.bwv-home[data-concept="1"] h2{font-family:Georgia,'Times New Roman',serif}
.bwv-library[data-concept="2"] .bwv-media,.bwv-home[data-concept="2"] .bwv-media{border-radius:4px 32px 4px 4px}.bwv-library[data-concept="2"] .bwv-hero{border-radius:0 0 48px 0}.bwv-library[data-concept="2"] .bwv-hero h1{font-weight:400}
.bwv-library[data-concept="3"] .bwv-hero{background:var(--bwv-ink)}.bwv-library[data-concept="3"] .bwv-hero h1{font-weight:750;letter-spacing:-.075em;color:#fff}.bwv-library[data-concept="3"] .bwv-hero .bwv-kicker,.bwv-library[data-concept="3"] .bwv-hero .bwv-link{color:#ef9bdb}.bwv-library[data-concept="3"] .bwv-hero-bottom>p{color:#d9d2da}.bwv-home[data-concept="3"] h2{font-weight:750}.bwv-library[data-concept="3"] .bwv-play,.bwv-home[data-concept="3"] .bwv-play{border-radius:0}
.bwv-library[data-concept="4"] .bwv-hero{background:var(--bwv-bg)}.bwv-library[data-concept="4"] .bwv-kicker,.bwv-home[data-concept="4"] .bwv-kicker{font-family:monospace}.bwv-library[data-concept="4"] .bwv-media,.bwv-home[data-concept="4"] .bwv-media{border:1px solid var(--bwv-line)}.bwv-library[data-concept="4"] .bwv-hero h1{font-weight:650}
.bwv-library[data-concept="5"] .bwv-hero h1,.bwv-home[data-concept="5"] h2{font-family:Georgia,'Times New Roman',serif;font-weight:400}.bwv-library[data-concept="5"] .bwv-media,.bwv-home[data-concept="5"] .bwv-media{border-radius:2px}
.bwv-dialog{position:fixed;inset:0;box-sizing:border-box;width:min(1000px,calc(100% - 32px));max-width:100%;max-height:calc(100dvh - 32px);overflow:auto;border:1px solid var(--bwv-line);padding:24px;margin:auto;box-shadow:0 25px 100px #0008}.bwv-dialog::backdrop{background:rgba(10,13,19,.82)}.bwv-dialog[open]{animation:bwv-dialog-in .2s ease-out}.bwv-dialog-head{display:flex;gap:20px;align-items:flex-start;justify-content:space-between;margin-bottom:18px}.bwv-dialog-head h2{font:inherit;font-size:20px;line-height:1.35;letter-spacing:-.02em;margin:8px 0;color:var(--bwv-ink);overflow-wrap:anywhere}.bwv-close{font:inherit;display:grid;place-items:center;flex:none;width:44px;height:44px;border:1px solid var(--bwv-line);background:transparent;color:var(--bwv-ink);font-size:30px;cursor:pointer}.bwv-player{aspect-ratio:16/9;background:#000;width:100%}.bwv-player iframe{display:block;border:0;width:100%;height:100%}.bwv-player-note{color:var(--bwv-muted);font-size:12px;line-height:1.5;margin:16px 0 4px}.bwv-dialog-open{overflow:hidden!important}
:is(.bwv-library,.bwv-home,.bwv-dialog) :is(a,button,input,select):focus-visible{outline:3px solid var(--bwv-accent);outline-offset:4px}
@keyframes bwv-dialog-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.bwv-container{width:min(1380px,calc(100% - 160px))}}
@media(max-width:1050px){.bwv-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 24px}.bwv-home-heading{gap:32px}.bwv-home .bwv-grid>.bwv-item:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.bwv-home .bwv-grid>.bwv-item:last-child .bwv-media{grid-row:1/5}.bwv-home .bwv-grid>.bwv-item:last-child .bwv-meta{margin-top:0}.bwv-hero-bottom{align-items:flex-start;flex-direction:column}.bwv-demo{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.bwv-container{width:calc(100% - 40px)}.bwv-hero{padding:46px 0 30px}.bwv-library .bwv-hero h1{font-size:clamp(40px,10.6vw,66px);margin-bottom:28px}.bwv-hero-bottom{gap:14px}.bwv-content{padding-block:42px}.bwv-grid{grid-template-columns:minmax(0,1fr);gap:36px}.bwv-home .bwv-grid>.bwv-item:last-child{display:block;grid-column:auto}.bwv-home .bwv-grid>.bwv-item:last-child .bwv-meta{margin-top:18px}.bwv-home-heading{grid-template-columns:minmax(0,1fr);gap:24px;margin-bottom:30px}.bwv-tools{flex-direction:column;align-items:stretch;gap:18px}.bwv-tools select{min-width:0}.bwv-meta{margin-top:14px}.bwv-item .bwv-title{font-size:22px}.bwv-home-end{align-items:flex-start;flex-direction:column;gap:8px}.bwv-demo{margin-top:52px;padding-top:36px;gap:26px}.bwv-upcoming{padding-bottom:42px;margin-bottom:42px}.bwv-dialog{padding:14px;width:calc(100% - 20px);max-height:calc(100dvh - 20px)}.bwv-dialog-head h2{font-size:16px}.bwv-dialog .bwv-link{font-size:14px}.bwv-library[data-concept="2"] .bwv-hero{border-radius:0 0 28px 0}}
@media(prefers-reduced-motion:reduce){.bwv-library *,.bwv-home *,.bwv-dialog{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Shared platform choices stay in the same typographic system as the dialog. */
.bwv-channel-links,.bwv-platforms,.bwv-dialog-links{display:flex;align-items:center;flex-wrap:wrap;gap:8px 22px}.bwv-channel-links .bwv-link{white-space:normal}.bwv-platforms .bwv-youtube{padding-block:8px}.bwv-platform-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.bwv-platform-toolbar button{font:inherit;font-size:14px;line-height:1.3;min-height:44px;padding:10px 16px;border:1px solid var(--bwv-line);background:transparent;color:var(--bwv-ink);cursor:pointer}.bwv-platform-toolbar button[aria-pressed="true"]{border-color:var(--bwv-accent);background:var(--bwv-accent);color:var(--bwv-on-accent)}.bwv-platform-toolbar button:disabled{opacity:.5;cursor:not-allowed}.bwv-status{font:inherit;font-size:13px;line-height:1.5;color:var(--bwv-muted);min-height:40px;margin:0 0 12px;overflow-wrap:anywhere}.bwv-player{display:grid;min-height:200px}.bwv-player iframe{min-height:200px}.bwv-dialog-links .bwv-link{font-size:14px}.bwv-home-end{flex-wrap:wrap}.bwv-home-end>.bwv-link{margin-right:auto}
@media(max-width:620px){.bwv-platform-toolbar button{flex:1;padding-inline:10px}.bwv-dialog-links{align-items:flex-start;gap:4px 18px}.bwv-channel-links{gap:4px 20px}.bwv-status{min-height:60px}.bwv-home-end>.bwv-link{margin-right:0}}