@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=Orbitron:wght@600;800&display=swap');
.app-nav .brand{display:flex;align-items:center;flex:0 0 auto}
.app-nav .brand img{display:block;width:auto;height:155px;max-width:min(50vw,460px);object-fit:contain}
.auth-intro .auth-logo{display:block;width:min(100%,430px);height:auto;margin:18px auto 0;filter:drop-shadow(0 0 16px #20d1ff44)}
.auth-intro .auth-logo+h2{margin-top:42px}
@media(max-width:720px){.app-nav .brand img{height:155px;max-width:min(88vw,460px)}.app-nav{padding-top:12px!important}}
[hidden]{display:none!important}
.form-success{padding:12px;border:1px solid #42ff5377;border-radius:9px;color:#75ff80;background:#073a14}.form-link{display:inline-block;color:var(--app-cyan);font-weight:700}.auth-note{color:var(--app-muted);font-size:1.1rem;line-height:1.45}.auth-card h1{font-family:"Orbitron",sans-serif}
:root{--app-bg:#020613;--app-panel:#071128;--app-cyan:#20d1ff;--app-purple:#c84cff;--app-pink:#ff35ce;--app-green:#42ff53;--app-gold:#ffd32a;--app-white:#f6f8ff;--app-muted:#93a7cb}*{box-sizing:border-box}body{min-height:100vh;margin:0;color:var(--app-white);background:radial-gradient(circle at 50% 20%,#0a1a48 0,#030817 55%,#01030b 100%);font-family:"Barlow Condensed",sans-serif}a{color:inherit;text-decoration:none}.app-nav{position:relative;z-index:30;min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 max(22px,calc((100vw - 1180px)/2));border-bottom:1px solid #20d1ff33;background:#020615e8;backdrop-filter:blur(12px)}.brand{font-family:"Orbitron",sans-serif;font-size:1.25rem;font-weight:800}.brand span{color:var(--app-cyan)}.nav-links{display:flex;align-items:center;gap:22px}.nav-links a{color:var(--app-muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em}.nav-links a:hover,.nav-links a.active{color:var(--app-cyan)}.player{padding:6px 11px;border:1px solid #c84cff66;border-radius:99px;color:#d99cff}.page-shell{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:70px 0}.page-heading p{margin:0;color:var(--app-cyan);font-weight:800;letter-spacing:.15em;text-transform:uppercase}.page-heading h1{margin:8px 0 36px;font-family:"Orbitron",sans-serif;font-size:clamp(2rem,6vw,4.5rem)}.difficulty-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.difficulty-card{min-height:410px;padding:34px;border:2px solid var(--app-purple);border-radius:22px;background:linear-gradient(145deg,#171037,#050817);box-shadow:0 0 18px #c84cff22}.difficulty-card>span{color:var(--app-green);font-weight:800;text-transform:uppercase;letter-spacing:.12em}.difficulty-card h2{margin:12px 0;font-family:"Orbitron",sans-serif;font-size:2.5rem}.difficulty-card p{max-width:550px;color:var(--app-muted);font-size:1.25rem;line-height:1.45}.difficulty-card dl{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:30px 0}.difficulty-card dl div{padding:16px;border:1px solid #20d1ff33;border-radius:12px;background:#020714}.difficulty-card dt{color:var(--app-muted);text-transform:uppercase}.difficulty-card dd{margin:4px 0 0;color:var(--app-cyan);font-family:"Orbitron",sans-serif;font-size:1.25rem}.difficulty-card.coming{opacity:.45;filter:grayscale(.6)}.primary-button{display:inline-flex;justify-content:center;min-width:180px;padding:14px 22px;border:2px solid var(--app-pink);border-radius:11px;color:#fff;background:#47093f;font-family:"Orbitron",sans-serif;font-weight:800;text-transform:uppercase;cursor:pointer;box-shadow:0 0 12px #ff35ce55}.rules-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.rules-grid article{padding:28px;border:1px solid #20d1ff55;border-radius:18px;background:#071128cc}.rules-grid b{color:var(--app-purple);font-family:"Orbitron",sans-serif;font-size:1.7rem}.rules-grid h2{margin:12px 0 6px;font-family:"Orbitron",sans-serif}.rules-grid p{color:var(--app-muted);font-size:1.15rem;line-height:1.5}.score-board{overflow:hidden;border:1px solid #20d1ff66;border-radius:18px;background:#050b1d}.score-head,.score-row{display:grid;grid-template-columns:90px 1fr 1fr 120px;align-items:center;gap:12px;padding:17px 22px}.score-head{color:var(--app-muted);background:#091635;text-transform:uppercase;letter-spacing:.08em}.score-row{border-top:1px solid #ffffff10;font-size:1.15rem}.score-row strong{color:var(--app-purple)}.score-row b{color:var(--app-gold);font-family:"Orbitron",sans-serif;text-align:right}.empty-score{padding:40px;text-align:center;color:var(--app-muted)}
.auth-body{display:grid;place-items:center;padding:20px}.auth-shell{width:min(960px,100%);display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;border:1px solid #20d1ff55;border-radius:24px;background:#050a19;box-shadow:0 30px 90px #000b}.auth-intro{padding:55px;background:radial-gradient(circle at 30% 30%,#17327a,#08081e 68%)}.auth-intro>p:first-child{color:var(--app-cyan);text-transform:uppercase;letter-spacing:.15em}.auth-intro h1{font-family:"Orbitron",sans-serif;font-size:2rem}.auth-intro h1 span{color:var(--app-cyan)}.auth-intro h2{margin:70px 0 20px;font-family:"Orbitron",sans-serif;font-size:clamp(2.5rem,6vw,4rem);line-height:1.05}.auth-intro p{color:var(--app-muted);font-size:1.2rem;line-height:1.5}.auth-card{padding:50px 42px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;margin-bottom:28px;border-bottom:1px solid #ffffff1f}.auth-tabs button{padding:13px;border:0;color:var(--app-muted);background:none;font:700 1.1rem "Barlow Condensed";text-transform:uppercase;cursor:pointer}.auth-tabs button.active{color:var(--app-pink);border-bottom:3px solid var(--app-pink)}.auth-card label{display:grid;gap:7px;margin:17px 0;color:var(--app-muted);font-weight:700;text-transform:uppercase}.auth-card input{width:100%;padding:13px;border:1px solid #20d1ff55;border-radius:9px;color:#fff;background:#01040e;font:inherit;font-size:1.1rem;outline:none}.auth-card input:focus{border-color:var(--app-cyan);box-shadow:0 0 10px #20d1ff33}.auth-card .remember{display:flex;align-items:center;gap:9px;text-transform:none}.remember input{width:auto}.auth-card .primary-button{width:100%;margin-top:12px}.form-error{padding:12px;border:1px solid #ff496d77;border-radius:9px;color:#ff6c88;background:#3a0714}.game-body{display:block;padding:0}.game-body .game-shell{margin:24px auto}.mode-label{color:var(--app-purple);font-family:"Orbitron",sans-serif;text-align:center;text-transform:uppercase;letter-spacing:.2em}
@media(max-width:720px){.app-nav{align-items:flex-start;padding:16px;flex-direction:column}.nav-links{width:100%;gap:12px;overflow-x:auto}.player{display:none}.difficulty-grid,.auth-shell{grid-template-columns:1fr}.difficulty-card.coming,.auth-intro{display:none}.rules-grid{grid-template-columns:1fr}.score-head,.score-row{grid-template-columns:52px 1fr 85px}.score-head span:nth-child(3),.score-row span:nth-child(3){display:none}.page-shell{padding-top:40px}.auth-card{padding:35px 24px}}