/* Big Tennis Core components. Light surfaces always carry dark text. */
:root{--btc-navy:#0B1B3A;--btc-ball:#D9F224;--btc-hard:#2F6FBE;--btc-grass:#2E7D4F;--btc-clay:#C05A2E;--btc-champ:#4B2E83;--btc-gold:#E8B44C;--btc-ink:#121826;--btc-body:#2A3242;--btc-muted:#525B6B;--btc-line:#E3E7EE;--btc-tint:#F4F6FA}
.btc-latest{margin:2.5rem 0}

/* Drill library */
.btc-drillbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:var(--btc-navy);padding:14px;border-radius:16px;margin:0 0 22px;position:sticky;top:90px;z-index:5}
.btc-drillbar .bt-input{flex:1 1 180px;width:auto;border-color:transparent}
.btc-drillbar #btc-dq{flex:2 1 260px}
.btc-drillbar__count{color:#fff;font-weight:700;white-space:nowrap;padding:0 6px}
.btc-drillbar__count b{color:var(--btc-ball);font-size:1.2em}
.btc-drills{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin:1.4rem 0}
.btc-drill{background:#fff;color:var(--btc-body);border:1px solid var(--btc-line);border-radius:16px;padding:20px;display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(11,27,58,.05)}
.btc-drill h3{color:var(--btc-ink);font-size:1.45rem;margin:4px 0 6px}
.btc-drill__obj{color:var(--btc-body);margin:0 0 12px}
.btc-drill__facts{list-style:none;padding:0;margin:0 0 12px;display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:.92rem;color:var(--btc-body)}
.btc-drill__facts li{display:contents}
.btc-drill__facts b{color:var(--btc-ink);font-weight:700}
.btc-drill .bt-acc{margin-top:auto}
.btc-drill .bt-steps>li{padding-left:54px}
.btc-drill .bt-steps>li::before{width:38px;height:38px;font-size:1.15rem}
.btc-drill .bt-steps>li:not(:last-child)::after{left:18px;top:42px}
.btc-drill h4{font-size:1.1rem;margin:1em 0 .4em;color:var(--btc-ink)}
.btc-drill--single{border:0;padding:0;box-shadow:none}
.btc-empty{font-weight:700;color:var(--btc-ink)}
.btc-dow{display:grid;grid-template-columns:1fr 1.3fr;gap:24px;margin-top:34px;background:var(--btc-navy);border-radius:22px;padding:clamp(20px,3vw,34px);align-items:start}
.btc-dow__label h3{color:#fff;font-size:2rem}
.btc-dow__label p{color:#C9D3E6}
@media (max-width:860px){.btc-dow{grid-template-columns:1fr}}

/* Directory listings */
.btc-dir{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:1.2rem 0}
@media (max-width:720px){.btc-dir{grid-template-columns:1fr}}
.btc-listing{display:flex;gap:16px;background:#fff;color:var(--btc-body);border:1px solid var(--btc-line);border-radius:16px;padding:18px}
.btc-listing__rank{flex-shrink:0;width:48px;height:48px;border-radius:50%;background:var(--btc-navy);color:var(--btc-ball);display:grid;place-items:center;font:italic 800 1.5rem/1 "Barlow Condensed",Impact,sans-serif}
.btc-listing h3{font-size:1.35rem;margin:2px 0 2px}
.btc-listing h3 a{color:var(--btc-ink);text-decoration:none}
.btc-listing h3 a:hover{color:var(--btc-hard)}
.btc-listing p{margin:0 0 8px;font-size:.97rem}
.btc-listing__loc{color:var(--btc-muted)!important;font-weight:600;font-size:.9rem!important}
.btc-listing__tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}
.btc-listing__tags span{font-size:.75rem;font-weight:700;background:var(--btc-tint);color:var(--btc-navy);padding:3px 8px;border-radius:999px}
.btc-dir__note{font-size:.88rem;color:var(--btc-muted)}
.btc-compact{list-style:none;padding:0;margin:0 0 12px;counter-reset:c}
.btc-compact li{counter-increment:c;display:grid;grid-template-columns:28px 1fr;column-gap:8px;padding:8px 0;border-bottom:1px solid var(--btc-line)}
.btc-compact li::before{content:counter(c);grid-row:span 2;width:24px;height:24px;border-radius:50%;background:var(--btc-tint);color:var(--btc-navy);font-weight:800;font-size:.8rem;display:grid;place-items:center}
.btc-compact a{color:var(--btc-ink);font-weight:700;text-decoration:none;line-height:1.25}
.btc-compact a:hover{color:var(--btc-hard)}
.btc-compact span{font-size:.82rem;color:var(--btc-muted)}

/* Affiliates */
.btc-aff{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin:1.2rem 0 .4rem}
.btc-aff--stack{grid-template-columns:1fr}
.btc-aff__card{display:flex;flex-direction:column;gap:6px;background:#fff;color:var(--btc-body);text-decoration:none;border:1px solid var(--btc-line);border-left:5px solid var(--btc-ball);border-radius:14px;padding:18px;transition:transform .15s,box-shadow .15s}
.btc-aff__card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(11,27,58,.12)}
.btc-aff__card .bt-badge{align-self:flex-start;margin:0}
.btc-aff__card h3{color:var(--btc-ink);margin:0;font-size:1.35rem}
.btc-aff__card p{margin:0;color:var(--btc-body);font-size:.95rem}
.btc-aff__card .bt-link{margin-top:auto}
.btc-aff__disc{font-size:.8rem;color:var(--btc-muted)}
.bt-dark .btc-aff__disc,.bt-band--navy .btc-aff__disc{color:#A8B6CF}

/* Timeline */
.btc-timeline{list-style:none;margin:1.4rem 0;padding:0 0 0 0;position:relative}
.btc-timeline::before{content:"";position:absolute;left:94px;top:0;bottom:0;width:4px;background:linear-gradient(var(--btc-grass),var(--btc-clay),var(--btc-hard),var(--btc-champ));border-radius:2px}
.btc-tl{display:grid;grid-template-columns:80px 1fr;gap:34px;margin:0 0 18px;position:relative}
.btc-tl__year{font:italic 800 1.5rem/1.1 "Barlow Condensed",Impact,sans-serif;color:var(--btc-ink);text-align:right;padding-top:16px}
.btc-tl::after{content:"";position:absolute;left:88px;top:20px;width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--btc-hard)}
.btc-tl--grass::after{border-color:var(--btc-grass)} .btc-tl--clay::after{border-color:var(--btc-clay)} .btc-tl--champ::after{border-color:var(--btc-champ)}
.btc-tl__card{background:#fff;color:var(--btc-body);border:1px solid var(--btc-line);border-radius:14px;padding:16px 18px}
.btc-tl__card h3{font-size:1.3rem;margin:4px 0 6px;color:var(--btc-ink)}
.btc-tl__card p{margin:0;font-size:.97rem}
@media (max-width:600px){.btc-timeline::before{left:10px}.btc-tl{grid-template-columns:1fr;gap:4px;padding-left:34px}.btc-tl__year{text-align:left;padding-top:0}.btc-tl::after{left:4px;top:4px}}

/* Quiz */
.btc-quiz{background:#fff;color:var(--btc-body);border:2px solid var(--btc-navy);border-radius:20px;overflow:hidden;margin:1.6rem 0;scroll-margin-top:110px}
.btc-quiz__head{background:var(--btc-navy);color:#fff;padding:16px 22px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.btc-quiz__head h3{color:#fff;margin:0}
.btc-quiz__progress{color:var(--btc-ball);font-weight:700;font-size:.92rem}
.btc-quiz__body{padding:22px}
.btc-quiz__q{font-size:1.25rem;font-weight:700;color:var(--btc-ink);margin:0 0 14px}
.btc-quiz__opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:560px){.btc-quiz__opts{grid-template-columns:1fr}}
.btc-quiz__opt{font:inherit;font-weight:600;text-align:left;padding:14px 16px;border-radius:12px;border:2px solid var(--btc-line);background:#fff;color:var(--btc-ink);cursor:pointer}
.btc-quiz__opt:hover:not(:disabled){border-color:var(--btc-hard)}
.btc-quiz__opt.is-right{background:#E8F5EC;border-color:var(--btc-grass);color:#183D27}
.btc-quiz__opt.is-wrong{background:#FDECEA;border-color:#E25C45;color:#7A1F12}
.btc-quiz__opt:disabled{cursor:default}
.btc-quiz__fact{margin:14px 0 0;color:var(--btc-body)}
.btc-quiz__fact .bt-btn{margin-top:10px}
.btc-quiz__done{text-align:center;padding:10px}
.btc-quiz__done b{font:italic 800 3.4rem/1 "Barlow Condensed",Impact,sans-serif;color:var(--btc-navy)}
.btc-quiz--kids{border-color:var(--btc-clay)}
.btc-quiz--kids .btc-quiz__head{background:var(--btc-clay)}
.btc-quiz--kids .btc-quiz__progress{color:#fff}

/* Poll */
.btc-poll{background:#fff;color:var(--btc-body);border:1px solid var(--btc-line);border-radius:18px;padding:20px;margin:1.2rem 0}
.btc-poll h3{color:var(--btc-ink)}
.btc-poll__opts{display:flex;gap:10px;flex-wrap:wrap}
.btc-poll__bar{height:14px;background:var(--btc-navy);border-radius:999px;overflow:hidden;margin:14px 0 6px}
.btc-poll__bar i{display:block;height:100%;background:var(--btc-ball)}

/* Ace Court */
.btc-game{background:var(--btc-navy);border-radius:22px;padding:16px;margin:1.4rem 0;scroll-margin-top:100px}
.btc-game__hud{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.btc-game__hud span{background:#07122A;color:#C9D3E6;padding:8px 14px;border-radius:999px;font-weight:600;font-size:.95rem}
.btc-game__hud b{color:var(--btc-ball);margin-left:4px}
.btc-game canvas{width:100%;max-width:900px;margin:0 auto;height:auto;border-radius:14px;display:block;touch-action:none;background:#1F4E8C}
.btc-game__help{color:#C9D3E6;font-size:.95rem;margin:12px 4px 2px}
.btc-game .bt-btn--ghost{color:#fff!important;border-color:rgba(255,255,255,.6)}
.btc-game .bt-btn--ghost:hover{background:#fff;color:var(--btc-navy)!important}

/* Kids zone */
.btc-kids{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:1.4rem 0}
@media (max-width:900px){.btc-kids{grid-template-columns:1fr}}
.btc-kid{background:#fff;color:var(--btc-body);border:3px solid var(--btc-ball);border-radius:22px;padding:20px;scroll-margin-top:100px}
.btc-kid h3{color:var(--btc-ink);font-size:1.7rem}
.btc-kid--catch{grid-column:1/-1}
.btc-kid__hud{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px;font-weight:700;color:var(--btc-ink)}
.btc-kid__hud span{background:var(--btc-tint);padding:6px 12px;border-radius:999px}
.btc-kid canvas{width:100%;max-width:760px;margin:0 auto;height:auto;border-radius:14px;touch-action:none;display:block}
.btc-memory{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.btc-card-flip{aspect-ratio:1;border:0;border-radius:14px;cursor:pointer;font-size:2rem;position:relative;background:var(--btc-hard);color:#fff;transition:transform .2s}
.btc-card-flip .back{display:none}
.btc-card-flip.is-up{background:#F4FBC7;color:var(--btc-ink)}
.btc-card-flip.is-up .front{display:none}
.btc-card-flip.is-up .back{display:inline}
.btc-card-flip.is-done{background:#E8F5EC;outline:3px solid var(--btc-grass)}
.btc-card-flip .front{font:italic 800 2rem/1 "Barlow Condensed",sans-serif;color:var(--btc-ball)}
.btc-scramble__word{font:italic 800 clamp(2rem,6vw,3rem)/1 "Barlow Condensed",Impact,sans-serif;color:var(--btc-navy);letter-spacing:.08em;margin:6px 0 14px;text-align:center;background:var(--btc-tint);border-radius:14px;padding:18px}
.btc-scramble__row{display:flex;gap:8px;flex-wrap:wrap}
.btc-scramble__row .bt-input{flex:1 1 180px;width:auto}
.btc-palette{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.btc-palette button{width:40px;height:40px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px var(--btc-line);cursor:pointer}
.btc-palette button[aria-pressed=true]{box-shadow:0 0 0 3px var(--btc-navy)}
.btc-colorart svg{width:100%;max-width:520px;cursor:pointer;margin:0 auto 10px}

/* Tools (journal, visualization, team) */
.btc-tool{background:#fff;color:var(--btc-body);border:2px solid var(--btc-navy);border-radius:22px;padding:clamp(18px,3vw,30px);margin:1.6rem 0}
.btc-tool__head h3{color:var(--btc-ink);margin-bottom:.2em}
.btc-tool__head p{color:var(--btc-muted)}
.btc-journal__form{max-width:none;margin-bottom:20px}
.btc-jentry{border:1px solid var(--btc-line);border-left:5px solid var(--btc-hard);border-radius:12px;padding:14px 16px;margin:10px 0;background:#fff}
.btc-jentry header{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--btc-ink)}
.btc-jentry header .bt-badge{margin:0}
.btc-jentry p{margin:.4em 0 0;font-size:.97rem}
.btc-jmeter{color:var(--btc-hard);font-size:.9rem!important;letter-spacing:.06em}
.btc-jdel{margin-left:auto;border:0;background:var(--btc-tint);color:var(--btc-ink);width:30px;height:30px;border-radius:50%;cursor:pointer}
.btc-viz__controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.btc-viz__controls .bt-input{flex:1 1 220px;width:auto}
.btc-viz__voice{font-weight:600;display:flex;gap:6px;align-items:center}
.btc-viz__stage{background:radial-gradient(circle at 50% 40%,#1D3A70,var(--btc-navy));border-radius:20px;margin-top:16px;padding:34px 20px 24px;text-align:center}
.btc-viz__orb{--dur:4s;width:180px;height:180px;margin:0 auto;border-radius:50%;background:radial-gradient(circle at 35% 30%,#F1FF8A,var(--btc-ball) 55%,#9EB30C);display:grid;place-items:center;box-shadow:0 0 0 0 rgba(217,242,36,.4);transform:scale(.72);transition:transform var(--dur) ease-in-out}
.btc-viz__orb span{font:italic 800 1.4rem/1 "Barlow Condensed",sans-serif;color:var(--btc-navy);text-transform:uppercase}
.btc-viz__orb.is-in{transform:scale(1);box-shadow:0 0 60px 10px rgba(217,242,36,.35)}
.btc-viz__orb.is-out{transform:scale(.62)}
.btc-viz__orb.is-hold{transform:scale(.86)}
.btc-viz__prompt{color:#fff;font-size:1.2rem;max-width:620px;margin:22px auto 16px;min-height:3.2em}
.btc-viz__bar{height:6px;background:rgba(255,255,255,.15);border-radius:999px;overflow:hidden;max-width:520px;margin:0 auto}
.btc-viz__bar i{display:block;height:100%;width:0;background:var(--btc-ball);transition:width 1s linear}
.btc-team__roles{display:grid;gap:10px;margin:16px 0}
.btc-role{display:grid;grid-template-columns:1fr 120px 140px 110px;gap:12px;align-items:center;border:1px solid var(--btc-line);border-radius:12px;padding:12px 14px;background:#fff;opacity:.7}
.btc-role.is-on{opacity:1;border-color:var(--btc-grass);box-shadow:inset 4px 0 0 var(--btc-grass)}
.btc-role__name{display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.btc-role__name input{width:20px;height:20px;margin-top:3px;accent-color:var(--btc-grass)}
.btc-role__name b{display:block;color:var(--btc-ink)}
.btc-role__name small{display:block;color:var(--btc-muted);font-size:.85rem}
.btc-role__num{font-size:.78rem;font-weight:700;color:var(--btc-muted);display:flex;flex-direction:column;gap:2px}
.btc-role__num input{font:inherit;font-size:1rem;padding:8px;border:1.5px solid #CBD2DD;border-radius:8px;width:100%;color:var(--btc-ink)}
.btc-role__sum{font:italic 800 1.3rem/1 "Barlow Condensed",sans-serif;color:var(--btc-navy);text-align:right}
@media (max-width:720px){.btc-role{grid-template-columns:1fr 1fr}.btc-role__name{grid-column:1/-1}.btc-role__sum{grid-column:1/-1;text-align:left}}
.btc-team__note{font-size:.85rem;color:var(--btc-muted)}

/* Find-a-game board */
.btc-board{margin:1.6rem 0}
.btc-board__head h3{margin-bottom:.2em}
.btc-board__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;align-items:start}
@media (max-width:900px){.btc-board__grid{grid-template-columns:1fr}}
.btc-gamepost{background:#fff;color:var(--btc-body);border:1px solid var(--btc-line);border-radius:14px;padding:16px;margin-bottom:12px}
.btc-gamepost h4{color:var(--btc-ink);margin:4px 0}
.btc-gamepost__where{color:var(--btc-muted);font-weight:600;font-size:.92rem;margin:0 0 6px}
.btc-board__form h4{margin-top:0}
.btc-board__form .bt-form{max-width:none}

/* Embeds */
.bt-embed{position:relative;aspect-ratio:16/9;margin:1.2em 0}
.bt-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:12px}

@media print{.btc-drillbar,.btc-journal__form,.btc-viz__controls,.bt-btn-row{display:none!important}.btc-tool{border:0;padding:0}}

.btc-timeline:not(.is-all)>li:nth-child(n+13){display:none}
.btc-tl-more{display:block;margin:6px auto 0}