/* Extracted from tested lobby v17; original cascade kept to preserve visual layout. */

:root{--bg-main:#1a1a2e;--primary-neon:#00d2ff;--accent-neon:#f093fb;--gre-neon:#2ecc71;--ora-neon:#ff9f43;--yel-neon:#f9ca24;--red-neon:#eb4d4b;--text-main:#fff;--text-muted:#a0a0b0;--bg-overlay:rgba(26,26,46,.85);--card-bg:rgba(255,255,255,.05);--card-border:rgba(255,255,255,.1);--card-hover-bg:rgba(0,210,255,.1);--glass-blur:blur(12px);--font-stack:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;--safe-top:env(safe-area-inset-top);--safe-bottom:env(safe-area-inset-bottom)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;scrollbar-width:none;-ms-overflow-style:none}*::-webkit-scrollbar{display:none}body{margin:0;padding:0;font-family:var(--font-stack);background-color:var(--bg-main);background-image:url('../page.jpg');background-size:cover;background-position:center;background-repeat:no-repeat;color:var(--text-main);width:100%;height:100dvh;overflow:hidden;display:flex;flex-direction:column}header{flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:12px 20px;padding-top:calc(12px + var(--safe-top));border-bottom:1px solid var(--card-border);background:#252536;z-index:1000}main{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;padding:24px 20px 30px;width:100%;max-width:1200px;margin:0 auto}footer{flex-shrink:0;text-align:center;padding:15px 20px;padding-bottom:calc(15px + var(--safe-bottom));font-size:.8rem;color:rgba(255,255,255,.3);border-top:1px solid rgba(255,255,255,.05);background:rgba(0,0,0,.4);backdrop-filter:blur(5px)}.brand-container{display:flex;align-items:center;gap:15px}.logo-img{width:45px;height:45px;border-radius:50%;border:2px solid var(--primary-neon);object-fit:cover}.brand-home-link{display:flex;align-items:center;justify-content:center;flex:0 0 auto;line-height:0;text-decoration:none;border-radius:50%;cursor:pointer}.brand-home-link:focus-visible{outline:2px solid var(--primary-neon);outline-offset:4px}.brand-copy{display:flex;flex-direction:column;gap:2px}.title-row{display:flex;align-items:baseline;gap:12px}.system-title{font-size:1.4rem;font-weight:700;letter-spacing:.02em;color:#f7f9ff}.system-label{font-size:.68rem;letter-spacing:1.8px;color:var(--primary-neon);opacity:.8}.system-subtitle{font-size:.84rem;color:var(--text-muted);letter-spacing:.5px}.filter-container{display:flex;justify-content:center;gap:10px;margin:0 auto 30px;flex-wrap:wrap;position:sticky;top:0;z-index:90;padding:10px 12px;width:max-content;max-width:100%;background:rgba(12,16,34,.88);border:1px solid rgba(255,255,255,.1);border-radius:24px;box-shadow:0 8px 24px rgba(0,0,0,.28);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.filter-btn{background:rgba(255,255,255,.05);border:1px solid var(--card-border);color:var(--text-muted);padding:8px 16px;border-radius:20px;cursor:pointer;font-size:.9rem;transition:all .3s ease}.filter-btn.active{background:rgba(0,210,255,.2);border-color:var(--primary-neon);color:var(--primary-neon);box-shadow:0 0 10px rgba(0,210,255,.2)}.lab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;padding-bottom:20px}.lab-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:25px;display:flex;flex-direction:column;transition:all .3s cubic-bezier(.25,.8,.25,1);position:relative;overflow:hidden;backdrop-filter:blur(5px);color:var(--text-main)}.lab-card.hidden{display:none}.lab-card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--primary-neon);opacity:.5;transition:opacity .3s}.card-icon{font-size:2.5rem;margin-bottom:15px;text-shadow:0 0 15px rgba(255,255,255,.3)}.card-title{font-size:1.3rem;font-weight:700;margin:0 0 10px;color:var(--primary-neon)}.card-desc{font-size:.9rem;color:var(--text-muted);margin-bottom:20px;flex-grow:1;line-height:1.5;height:3em}.card-btn{background:linear-gradient(90deg,transparent 0%,rgba(0,210,255,.1) 100%);border:1px solid var(--primary-neon);color:var(--primary-neon);padding:10px 20px;border-radius:8px;text-align:center;font-weight:600;letter-spacing:1px;transition:all .2s;display:inline-block;text-decoration:none;cursor:pointer;align-self:flex-start}.card-btn:active{transform:scale(.95);background:var(--primary-neon);color:#000}.lab-card.pur::before{background:var(--accent-neon)}.lab-card.pur .card-title{color:var(--accent-neon)}.lab-card.pur .card-btn{border-color:var(--accent-neon);color:var(--accent-neon);background:linear-gradient(90deg,transparent 0%,rgba(240,147,251,.1) 100%)}.lab-card.gre::before{background:var(--gre-neon)}.lab-card.gre .card-title{color:var(--gre-neon)}.lab-card.gre .card-btn{border-color:var(--gre-neon);color:var(--gre-neon);background:linear-gradient(90deg,transparent 0%,rgba(46,204,113,.1) 100%)}.lab-card.ora::before{background:var(--ora-neon)}.lab-card.ora .card-title{color:var(--ora-neon)}.lab-card.ora .card-btn{border-color:var(--ora-neon);color:var(--ora-neon);background:linear-gradient(90deg,transparent 0%,rgba(255,159,67,.1) 100%)}.lab-card.yel::before{background:var(--yel-neon)}.lab-card.yel .card-title{color:var(--yel-neon)}.lab-card.yel .card-btn{border-color:var(--yel-neon);color:var(--yel-neon);background:linear-gradient(90deg,transparent 0%,rgba(249,202,36,.1) 100%)}.lab-card.red::before{background:var(--red-neon)}.lab-card.red .card-title{color:var(--red-neon)}.lab-card.red .card-btn{border-color:var(--red-neon);color:var(--red-neon);background:linear-gradient(90deg,transparent 0%,rgba(235,77,75,.1) 100%)}@media(hover:hover){.filter-btn:hover{border-color:var(--primary-neon);color:var(--text-main)}.lab-card:hover{transform:translateY(-5px) scale(1.02);background:var(--card-hover-bg);border-color:var(--primary-neon);box-shadow:0 10px 25px -5px rgba(0,210,255,.3)}.lab-card:hover::before{opacity:1;box-shadow:0 0 8px var(--primary-neon)}.card-btn:hover,.lab-card:hover .card-btn{background:var(--primary-neon);color:#000;box-shadow:0 0 15px var(--primary-neon)}.lab-card.pur:hover{border-color:var(--accent-neon)}.lab-card.gre:hover{border-color:var(--gre-neon)}.lab-card.ora:hover{border-color:var(--ora-neon)}.lab-card.yel:hover{border-color:var(--yel-neon)}.lab-card.red:hover{border-color:var(--red-neon)}.lab-card.pur:hover .card-btn,.lab-card.pur .card-btn:hover{background:var(--accent-neon);color:#000;box-shadow:0 0 15px var(--accent-neon);border-color:var(--accent-neon)}.lab-card.gre:hover .card-btn,.lab-card.gre .card-btn:hover{background:var(--gre-neon);color:#000;box-shadow:0 0 15px var(--gre-neon);border-color:var(--gre-neon)}.lab-card.ora:hover .card-btn,.lab-card.ora .card-btn:hover{background:var(--ora-neon);color:#000;box-shadow:0 0 15px var(--ora-neon);border-color:var(--ora-neon)}.lab-card.yel:hover .card-btn,.lab-card.yel .card-btn:hover{background:var(--yel-neon);color:#000;box-shadow:0 0 15px var(--yel-neon);border-color:var(--yel-neon)}.lab-card.red:hover .card-btn,.lab-card.red .card-btn:hover{background:var(--red-neon);color:#000;box-shadow:0 0 15px var(--red-neon);border-color:var(--red-neon)}}.lab-card.pur .card-btn:active{background:var(--accent-neon);color:#000;transform:scale(.95)}.lab-card.gre .card-btn:active{background:var(--gre-neon);color:#000}.lab-card.ora .card-btn:active{background:var(--ora-neon);color:#000}.lab-card.yel .card-btn:active{background:var(--yel-neon);color:#000}.lab-card.red .card-btn:active{background:var(--red-neon);color:#000}.music-toggle{position:fixed;right:18px;bottom:calc(18px + var(--safe-bottom));z-index:1200;width:48px;height:48px;border-radius:50%;border:1px solid rgba(0,210,255,.65);background:rgba(12,16,34,.9);color:#fff;font-size:1.25rem;cursor:pointer;box-shadow:0 0 16px rgba(0,210,255,.25);backdrop-filter:blur(10px);transition:.2s}.music-toggle.playing{border-color:var(--primary-neon);box-shadow:0 0 18px rgba(0,210,255,.55);animation:musicPulse 1.8s ease-in-out infinite}.music-toggle:active{transform:scale(.92)}@keyframes musicPulse{50%{box-shadow:0 0 26px rgba(0,210,255,.8)}}@media(max-width:600px){main{padding:16px 12px 24px}.brand-container{gap:10px}.logo-img{width:40px;height:40px}.system-title{font-size:1.05rem}.system-label{font-size:.55rem;letter-spacing:1px}.system-subtitle{font-size:.72rem}.title-row{gap:7px}.lab-grid{grid-template-columns:1fr}.lab-card{flex-direction:row;align-items:center;padding:15px}.lab-card::before{width:3px}.card-icon{font-size:2rem;margin-bottom:0;margin-right:15px;width:50px;text-align:center;flex-shrink:0}.card-content{flex:1;display:flex;flex-direction:column;justify-content:center}.card-title{font-size:1.1rem;margin-bottom:0}.card-desc{display:none}.card-btn{padding:8px 15px;font-size:.85rem;margin-left:10px;white-space:nowrap;align-self:center}.filter-container{gap:6px;padding:8px;margin-bottom:20px;border-radius:20px}.filter-btn{padding:6px 10px;font-size:.8rem}header{padding:9px 12px;padding-top:calc(9px + var(--safe-top))}.music-toggle{width:44px;height:44px;right:12px;bottom:calc(12px + var(--safe-bottom))}}
/* iPhone PWA lobby refinement: preserve existing visual design and card layout */
@media (max-width:600px){
  header{padding-top:calc(10px + env(safe-area-inset-top));padding-bottom:10px}
  .brand-container{min-width:0}
  .brand-copy{min-width:0}
  .title-row{min-width:0;flex-wrap:wrap;row-gap:2px}
  .system-subtitle{line-height:1.35}
  main{min-height:0;padding:12px 12px 24px}
  .filter-container{width:100%;max-width:100%;flex-wrap:nowrap;justify-content:flex-start;gap:8px;padding:7px 9px;margin-bottom:14px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;touch-action:pan-x pan-y}
  .filter-btn{flex:0 0 auto;white-space:nowrap;min-height:38px;padding:7px 13px;scroll-snap-align:start}
  .lab-grid{gap:12px}
  .lab-card{min-height:76px;padding:12px 13px}
  .card-icon{width:40px;margin-right:10px;font-size:1.8rem}
  .card-content{min-width:0}
  .card-title{font-size:1rem;line-height:1.3;overflow-wrap:anywhere}
  .card-btn{min-height:40px;padding:9px 11px;margin-left:7px;display:inline-flex;align-items:center;justify-content:center}
  footer{padding:8px 64px 8px 12px;padding-bottom:calc(8px + env(safe-area-inset-bottom));font-size:.68rem;line-height:1.4}
  .music-toggle{width:42px;height:42px;right:10px;bottom:calc(6px + env(safe-area-inset-bottom))}
}

/* Home-screen canvas alignment without changing the established lobby visual */
@media(max-width:600px){
  html{height:100%;min-height:100%;background:var(--bg-main)}
  body{position:relative;inset:auto;width:100%;height:100dvh;min-height:100dvh;max-height:none;overflow:hidden}
  header{padding-top:calc(6px + env(safe-area-inset-top));padding-bottom:8px}
  main{flex:1 1 auto;min-height:0}
  footer{flex:0 0 auto;padding-top:6px;padding-bottom:calc(6px + env(safe-area-inset-bottom));min-height:0}
  .music-toggle{bottom:calc(4px + env(safe-area-inset-bottom))}
}
/* Make the dark overlay part of the body's own background: stable in iOS standalone. */
body{background-image:linear-gradient(var(--bg-overlay),var(--bg-overlay)),url('../page.jpg');background-size:cover;background-position:center;background-repeat:no-repeat}

/* Brand type follows the crisp lobby cards; integer-pixel sizing on iOS. */
header{filter:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;box-shadow:none!important}
header .brand-copy{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;filter:none;opacity:1}
header .system-title{color:#fff;text-shadow:none!important;filter:none!important;opacity:1;font-weight:700}
header .system-label{color:#49d7ee;text-shadow:none!important;filter:none!important;opacity:1}
header .system-subtitle{color:#e4e5ec;text-shadow:none!important;filter:none!important;opacity:1}
@media(max-width:600px){
  header{padding-top:calc(12px + env(safe-area-inset-top));padding-bottom:8px}
  header .system-title{font-size:20px;letter-spacing:0;line-height:1.25}
  header .system-label{font-size:10px;letter-spacing:0;line-height:1.3}
  header .system-subtitle{font-size:14px;letter-spacing:0;line-height:1.4}
}
/* Keep v11's verified clear header position and fit the footer into the visible viewport. */
@media (max-width:600px) and (display-mode:standalone){
  body{
    padding-top:var(--shared-pwa-top-gap);
    height:calc(100dvh + var(--shared-pwa-top-gap));
    min-height:calc(100dvh + var(--shared-pwa-top-gap));
  }
}
/* Single-row footer with comfortable touch spacing and truly centered copyright. */
@media(max-width:600px){
  footer{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:var(--shared-footer-min-height);
    padding:14px 12px calc(18px + env(safe-area-inset-bottom));
    text-align:center;
  }
  footer>.copyright-text{
    position:absolute;
    left:50%;
    top:calc(50% - var(--shared-copyright-lift, 6px));
    transform:translate(-50%,-50%);
    width:max-content;
    max-width:calc(100% - 24px);
    white-space:normal;
    font-size:.68rem;
    line-height:1.5;
    text-align:center;
    pointer-events:none;
  }
  footer .copyright-extra{display:inline}
  footer>.site-version-trigger{
    position:fixed;
    z-index:1201;
    right:10px;
    top:auto;
    bottom:calc(70px + env(safe-area-inset-bottom));
    transform:none;
    min-height:36px;
  }
  .music-toggle{
    right:10px;
    bottom:calc(18px + env(safe-area-inset-bottom));
  }
}
/* Preserve a visible leading gap before the first horizontal category button. */
@media(max-width:600px){
  .filter-container{scroll-padding-left:20px}
  .filter-container>.filter-btn:first-child{margin-left:12px}
}
/* Small manual version checker, matching the official website interaction */
.site-version-trigger{appearance:none;background:transparent;border:1px solid rgba(255,255,255,.23);border-radius:8px;color:rgba(255,255,255,.73);font:inherit;font-size:.75rem;min-width:40px;min-height:30px;padding:3px 8px;cursor:pointer;flex-shrink:0}
.site-version-trigger:focus-visible,.site-version-actions button:focus-visible{outline:2px solid #00d2ff;outline-offset:2px}
.site-version-trigger.outdated{border-color:#f9ca24;color:#f9ca24}
.site-version-panel[hidden]{display:none!important}
.site-version-panel{position:fixed;z-index:1300;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));width:min(320px,calc(100vw - 24px));background:#171a30;border:1px solid rgba(0,210,255,.5);border-radius:14px;color:#fff;box-shadow:0 14px 32px #0009;padding:16px;text-align:left;font-size:.9rem}
.site-version-panel strong{display:block;color:#00d2ff;font-size:1rem;margin-bottom:10px}
.site-version-row{display:flex;justify-content:space-between;gap:8px;margin:6px 0;color:#e3e5ee}
.site-version-status{line-height:1.5;color:#c3c7d6;margin:10px 0}
.site-version-actions{display:flex;flex-wrap:wrap;gap:7px}
.site-version-actions button{background:#222a44;color:#fff;border:1px solid #5c7290;border-radius:8px;padding:9px 10px;min-height:40px;cursor:pointer;font-size:.84rem}
.site-version-actions button:disabled{opacity:.5;cursor:default}
footer{display:flex;align-items:center;justify-content:center;gap:10px}
@media(max-width:600px){footer{justify-content:space-between;gap:8px;text-align:left;padding-right:64px}.site-version-panel{bottom:calc(66px + env(safe-area-inset-bottom))}}