:root{color-scheme:dark;font-family:Inter,system-ui,sans-serif;--btc-primary: rgb(158, 16, 186);--btc-secondary: rgb(140, 47, 109);--btc-accent-green: #61ce54;--btc-accent-purple: #7558de;--btc-panel: rgba(22, 11, 31, .8);--btc-border: rgba(255, 255, 255, .14);--btc-text: #f6f1ff;--btc-muted: rgba(246, 241, 255, .72)}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--btc-text);background:linear-gradient(180deg,#0d081459,#0d0814eb),url(/lobby/assets/backgrounds/btc-derby-lobby-background.png) center / cover no-repeat fixed}button{font:inherit;cursor:pointer}.lobby-root{min-height:100vh}.lobby-shell{position:relative;min-height:100vh;overflow-x:hidden}.lobby-shell__overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top left,rgba(117,88,222,.35),transparent 32%),radial-gradient(circle at bottom right,rgba(97,206,84,.22),transparent 28%)}.lobby-shell__content{position:relative;z-index:1;min-height:100vh;display:grid;grid-template-columns:1fr;gap:16px;align-items:start;align-content:center;padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px))}.lobby-brand,.launch-panel,.lobby-info{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:var(--btc-panel);border:1px solid var(--btc-border);border-radius:28px;box-shadow:0 18px 64px #00000059}.lobby-brand,.lobby-info{padding:20px}.lobby-brand__eyebrow,.launch-panel__eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--btc-muted);font-size:.9rem;letter-spacing:.08em;text-transform:uppercase}.launch-panel__dot{width:10px;height:10px;border-radius:999px;background:#ffffff47}.launch-panel__dot.is-live{background:var(--btc-accent-green);box-shadow:0 0 12px #61ce54a6}.lobby-brand h2,.launch-panel h1{margin:0 0 12px;font-size:clamp(1.6rem,6vw,4rem);line-height:.96;overflow-wrap:break-word;word-break:break-word}.lobby-brand p,.launch-panel__summary,.lobby-info p{margin:0;color:var(--btc-muted);line-height:1.6}.launch-panel{padding:20px}.launch-panel__stats{display:grid;gap:10px;margin:18px 0}.launch-panel__stat{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);border-radius:14px;font-size:.92rem}.launch-panel__stat strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.launch-panel__stat span{color:var(--btc-muted)}.launch-panel__button,.lobby-error button,.back-button{border:0;border-radius:999px;padding:14px 24px;width:100%;color:#fff;font-weight:600;font-size:1rem;background:linear-gradient(135deg,var(--btc-primary),var(--btc-accent-purple));box-shadow:0 14px 36px #7558de59;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.back-button{width:auto}.launch-panel__button:disabled{opacity:.55;cursor:not-allowed}.lobby-info img{width:100%;display:block;border-radius:16px;margin-bottom:14px}.lobby-error{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:5;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;padding:14px 16px;border-radius:16px;background:#12081af2;border:1px solid rgba(255,255,255,.12)}.lobby-error button{width:auto;padding:10px 18px;font-size:.88rem}.lobby-error p{margin:0}.iframe-shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr;gap:6px;padding:6px;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px));background:#06040b}.back-button{justify-self:start}.game-iframe{width:100%;min-height:calc(100vh - 60px);border:0;border-radius:16px;background:#000}@media (min-width: 640px){.lobby-shell__content{gap:20px;padding:24px;align-items:center;align-content:center}.lobby-brand,.lobby-info{padding:24px}.launch-panel{padding:28px}.launch-panel__button{width:auto}.launch-panel__stat{padding:14px 16px;border-radius:18px;font-size:inherit}.lobby-error{left:50%;right:auto;transform:translate(-50%);width:auto;max-width:calc(100vw - 48px)}.iframe-shell{gap:10px;padding:10px}.game-iframe{min-height:calc(100vh - 72px);border-radius:24px}}@media (min-width: 1100px){.lobby-shell__content{grid-template-columns:minmax(260px,1.1fr) minmax(320px,420px) minmax(220px,.7fr);gap:24px;padding:32px}.lobby-brand,.lobby-info{padding:28px}.launch-panel{padding:32px}.lobby-info img{border-radius:22px;margin-bottom:18px}}