:root{--gac-bg:#070914;--gac-panel:#111526;--gac-text:#f7f8ff;--gac-muted:#9aa5c5;--gac-border:rgba(255,255,255,.09)}
.gac-shell{max-width:1120px;margin:24px auto;padding:22px;border-radius:28px;background:radial-gradient(circle at 12% 8%,rgba(69,87,255,.22),transparent 28%),radial-gradient(circle at 88% 16%,rgba(0,224,255,.13),transparent 30%),var(--gac-bg);color:var(--gac-text);box-shadow:0 25px 80px rgba(0,0,0,.3);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.gac-topbar{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:8px 4px 24px}.gac-eyebrow{font-size:11px;letter-spacing:.18em;color:#6fdcff;font-weight:800}.gac-topbar h1{font-size:clamp(30px,5vw,52px);line-height:1;margin:7px 0 9px}.gac-topbar p{margin:0;color:var(--gac-muted);max-width:560px}.gac-wallet{min-width:150px;padding:13px 16px;border:1px solid var(--gac-border);border-radius:18px;background:rgba(255,255,255,.05);text-align:right}.gac-wallet span{display:block;color:var(--gac-muted);font-size:12px}.gac-wallet strong{font-size:24px}
.gac-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.gac-card{position:relative;overflow:hidden;min-height:270px;padding:20px;border:1px solid var(--gac-border);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));isolation:isolate}.gac-card-glow{position:absolute;width:190px;height:190px;border-radius:50%;filter:blur(60px);opacity:.22;right:-40px;top:-50px;z-index:-1;background:#6b5cff}.gac-energy-grid .gac-card-glow{background:#14e7ff}.gac-prism-pulse .gac-card-glow{background:#ff3bd5}.gac-golden-nest-run .gac-card-glow{background:#ffd44d}.gac-pulse-reactor .gac-card-glow{background:#ff6d26}.gac-shadow-doors .gac-card-glow{background:#7a4cff}.gac-icon{font-size:38px;margin-bottom:22px}.gac-status{display:inline-block;padding:5px 9px;border-radius:99px;background:rgba(255,255,255,.08);font-size:10px;letter-spacing:.12em;font-weight:800;color:#b9c3e0}.gac-card h2{font-size:24px;margin:11px 0 8px}.gac-card p{min-height:58px;color:var(--gac-muted);line-height:1.5}.gac-theme{font-size:12px;color:#dce4ff;margin:14px 0}.gac-play{width:100%;padding:12px 14px;border:0;border-radius:14px;background:rgba(255,255,255,.08);color:#cbd3e8;font-weight:800}.gac-note{text-align:center;color:#7f8bad;font-size:12px;padding:22px 0 2px}
@media(max-width:850px){.gac-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.gac-shell{margin:0;border-radius:0;padding:16px}.gac-topbar{align-items:stretch;flex-direction:column}.gac-wallet{text-align:left}.gac-grid{grid-template-columns:1fr}.gac-card{min-height:245px}}
.gac-play-live{display:block;text-align:center;text-decoration:none;background:linear-gradient(135deg,#6d5dff,#16d5ff);color:#fff;box-shadow:0 10px 30px rgba(45,120,255,.24)}.gac-play-live:hover{color:#fff;transform:translateY(-1px)}

/* v0.3 frontend player access */
.gac-top-actions{display:flex;gap:10px;align-items:stretch}.gac-user-chip{display:flex;flex-direction:column;justify-content:center;min-width:120px;padding:10px 13px;border:1px solid var(--gac-border);border-radius:18px;background:rgba(255,255,255,.045)}.gac-user-chip span{font-weight:800;font-size:12px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gac-user-chip a,.gac-logout{font-size:10px;color:#77dfff;text-decoration:none;margin-top:3px}.gac-lobby-auth{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(420px,1.2fr);gap:18px;align-items:stretch;margin:0 0 22px}.gac-lobby-auth-copy{padding:26px;border-radius:24px;background:linear-gradient(145deg,rgba(101,77,255,.2),rgba(0,214,255,.08));border:1px solid var(--gac-border)}.gac-lobby-auth-copy>span{font-size:10px;letter-spacing:.18em;font-weight:900;color:#74e8ff}.gac-lobby-auth-copy h2{font-size:28px;margin:10px 0 8px}.gac-lobby-auth-copy p{margin:0;color:var(--gac-muted);line-height:1.55}
.gac-auth{position:relative;padding:20px;border:1px solid var(--gac-border);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.025));color:var(--gac-text);box-shadow:0 18px 50px rgba(0,0,0,.18)}.gac-auth-head{display:flex;gap:14px;justify-content:space-between;align-items:flex-start}.gac-auth-kicker{display:block;font-size:9px;letter-spacing:.18em;font-weight:900;color:#75e5ff}.gac-auth h2{font-size:22px;margin:5px 0 5px}.gac-auth p{margin:0;color:var(--gac-muted);font-size:12px;line-height:1.45;max-width:420px}.gac-auth-tabs{display:flex;flex-shrink:0;padding:4px;border-radius:13px;background:rgba(255,255,255,.045);border:1px solid var(--gac-border)}.gac-auth-tabs button{appearance:none;border:0;border-radius:10px;padding:8px 12px;background:transparent;color:#98a6c9;font-weight:800;font-size:11px;cursor:pointer}.gac-auth-tabs button.is-active{background:linear-gradient(135deg,#685bff,#17ccea);color:white;box-shadow:0 8px 22px rgba(64,120,255,.23)}.gac-auth-pane{display:none;margin-top:16px}.gac-auth-pane.is-active{display:block}.gac-auth-form{display:grid;gap:10px}.gac-auth-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.gac-auth-form label>span{display:block;margin:0 0 5px;color:#aebbe0;font-size:10px;font-weight:700}.gac-auth-form input[type=text],.gac-auth-form input[type=email],.gac-auth-form input[type=password]{width:100%;height:43px;padding:0 12px;border:1px solid rgba(145,164,233,.2);border-radius:12px;outline:none;background:rgba(6,10,28,.72);color:#fff;box-shadow:none}.gac-auth-form input:focus{border-color:#5fdcff;box-shadow:0 0 0 3px rgba(69,205,255,.09)}.gac-auth-check{display:flex!important;gap:7px;align-items:center;color:#9ba8c8;font-size:10px}.gac-auth-check span{margin:0!important}.gac-auth-submit{height:44px;border:0;border-radius:13px;background:linear-gradient(135deg,#586eff,#28d7f2);color:#fff;font-weight:900;letter-spacing:.02em;cursor:pointer;box-shadow:0 12px 30px rgba(50,109,255,.25)}.gac-auth-register{background:linear-gradient(135deg,#8c4fff,#ef4bd8)}.gac-auth-error{margin-top:12px;padding:10px 12px;border-radius:12px;background:rgba(255,70,112,.12);border:1px solid rgba(255,92,126,.24);color:#ffb8c8;font-size:11px}.gac-auth-hint{display:block;color:#7f8daf;font-size:9px;line-height:1.45}.gac-account-card{max-width:860px;margin:20px auto;padding:20px;border-radius:24px;background:#090d1f;color:#fff;display:grid;grid-template-columns:1fr auto auto;gap:18px;align-items:center}.gac-account-card h2{margin:4px 0;font-size:24px}.gac-account-card p{margin:0;color:#8997b9}.gac-account-balance{text-align:right}.gac-account-balance span{display:block;font-size:9px;color:#8997b9}.gac-account-balance strong{font-size:22px}.gac-logout{padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--gac-border)}
@media(max-width:800px){.gac-lobby-auth{grid-template-columns:1fr}.gac-lobby-auth-copy{display:none}.gac-top-actions{width:100%}.gac-top-actions .gac-wallet{flex:1}.gac-auth-head{flex-direction:column}.gac-auth-tabs{width:100%}.gac-auth-tabs button{flex:1}}
@media(max-width:560px){.gac-auth{padding:15px;border-radius:20px}.gac-auth-row{grid-template-columns:1fr}.gac-auth h2{font-size:19px}.gac-account-card{grid-template-columns:1fr 1fr}.gac-account-card .gac-logout{grid-column:1/-1;text-align:center}}