:root{color:#e8f2ff;font-family:Segoe UI,sans-serif}body{margin:0;background:radial-gradient(circle at top,rgba(68,174,255,.22),transparent 32%),radial-gradient(circle at bottom right,rgba(0,224,182,.12),transparent 28%),linear-gradient(180deg,#050b15,#0c1830)}.portal-shell,.lobby-shell{display:grid;min-height:100vh;place-items:center;padding:32px 20px;box-sizing:border-box}.portal-panel,.lobby-card{position:relative;z-index:1;width:min(960px,100%);border:1px solid rgba(152,194,255,.18);border-radius:28px;background:#050e1cc7;box-shadow:0 28px 80px #01071180;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.portal-panel{max-width:540px;padding:40px}.portal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(120deg,rgba(68,174,255,.08),transparent 50%),radial-gradient(circle at top right,rgba(0,224,182,.14),transparent 24%)}.portal-kicker{margin:0 0 10px;color:#8bc5ff;font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase}h1,h2{margin:0}h1{font-size:clamp(32px,6vw,56px);line-height:1.02}h2{font-size:20px;margin-bottom:18px}.portal-copy,.lobby-meta{color:#bfd3f2}.portal-copy{margin:18px 0 28px;line-height:1.6}.portal-form{display:grid;gap:12px}.wallet-entry{display:grid;gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(148,183,222,.16)}.wallet-support-copy,.portal-meta{margin:0;color:#94b7de}.portal-label{font-size:13px;color:#94b7de}.locale-control{display:grid;gap:10px;justify-items:start;margin-bottom:20px}input,button,select{border-radius:14px;border:1px solid rgba(148,183,222,.22);font:inherit}input,select{padding:14px 16px;color:#eff6ff;background:#081427d1}button{padding:14px 18px;cursor:pointer;color:#04101e;font-weight:700;background:linear-gradient(135deg,#69d1ff,#59ffcf)}button[disabled]{cursor:not-allowed;color:#6c7f94;background:#ffffff14}.ghost-button{color:#dceeff;background:transparent}.portal-error{color:#ff9f9f}.hidden{display:none}.game-session{position:relative;min-height:100vh;overflow:hidden;background:#020814}.game-stage{min-height:100vh}.game-session-controls{position:fixed;top:20px;left:20px;z-index:10;display:grid;gap:12px;max-width:min(360px,calc(100vw - 40px));opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .18s ease,transform .18s ease}.game-session-controls.visible,.game-session-controls.confirming,.game-session-controls.error{opacity:1;transform:translateY(0)}.game-session-controls.visible .game-return-button,.game-session-controls.confirming .game-return-button,.game-session-controls.error .game-return-button,.game-session-controls.error .game-session-error{pointer-events:auto}.game-return-button{color:#dceeff;background:#050e1cd1;box-shadow:0 14px 36px #01071161;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.game-session-error{margin:0;padding:12px 14px;border:1px solid rgba(255,159,159,.28);border-radius:14px;color:#ffd1d1;background:#320812b8;box-shadow:0 14px 36px #01071147;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.game-exit-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:24px;background:#010711a3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.game-exit-dialog.hidden{display:none}.game-exit-dialog-panel{display:grid;gap:16px;width:min(420px,100%);padding:24px;border:1px solid rgba(152,194,255,.22);border-radius:22px;background:#050e1cf0;box-shadow:0 24px 70px #0107118f}.game-exit-dialog-panel p{margin:0;color:#bfd3f2;line-height:1.55}.game-exit-actions{display:flex;justify-content:flex-end;gap:12px}.lobby-card{padding:32px}.lobby-header,.lobby-actions{display:flex;align-items:center;justify-content:space-between;gap:16px}.lobby-grid{display:grid;gap:20px;margin:28px 0;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.lobby-section{padding:20px;border-radius:22px;background:#091324d1}.game-cartridge-section{grid-column:1 / -1}.asset-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.lobby-asset,.lobby-empty{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:#ffffff0a}.compact-form{gap:10px}.game-cartridge-list{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.game-cartridge-card{display:grid;gap:12px;padding:16px;color:#eff6ff;text-align:left;background:linear-gradient(135deg,color-mix(in srgb,var(--cartridge-color) 30%,transparent),#ffffff0a),#050e1cc7}.game-cartridge-card.selected{border-color:color-mix(in srgb,var(--cartridge-color) 72%,white);box-shadow:0 0 0 2px color-mix(in srgb,var(--cartridge-color) 28%,transparent)}.game-cartridge-media{display:block;height:64px;border-radius:10px;background:linear-gradient(135deg,var(--cartridge-color),rgba(255,255,255,.12)),repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 8px,transparent 8px 16px)}.game-cartridge-copy,.game-cartridge-tags,.game-cartridge-capabilities{display:grid;gap:6px}.game-cartridge-copy span,.game-cartridge-capabilities{color:#bfd3f2;font-size:13px;line-height:1.45}.game-cartridge-tags{display:flex;flex-wrap:wrap}.game-cartridge-tags span{padding:4px 8px;border-radius:999px;color:#dceeff;font-size:12px;background:#ffffff14}@media (max-width: 720px){.portal-panel,.lobby-card{padding:24px}.lobby-header,.lobby-actions{flex-direction:column;align-items:stretch}}