#cover{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px 20px;position:relative;background:radial-gradient(ellipse at 20% 50%,rgba(200,169,110,0.06) 0%,transparent 60%),radial-gradient(ellipse at 80% 50%,rgba(126,184,200,0.06) 0%,transparent 60%),var(--bg)}#cover::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,transparent,transparent 60px,rgba(255,255,255,0.015) 60px,rgba(255,255,255,0.015) 61px),repeating-linear-gradient(90deg,transparent,transparent 60px,rgba(255,255,255,0.015) 60px,rgba(255,255,255,0.015) 61px);pointer-events:none}.cover-label{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:4px;color:var(--accent);text-transform:uppercase;margin-bottom:32px;opacity:0;animation:fadeUp 0.8s ease forwards 0.2s}.cover-title{font-family:'Orbitron',sans-serif;font-size:clamp(52px,10vw,110px);font-weight:900;line-height:0.9;letter-spacing:-2px;margin-bottom:24px;opacity:0;animation:fadeUp 0.8s ease forwards 0.4s}.cover-title span{display:block;color:var(--accent)}.cover-subtitle{font-family:'Space Grotesk',sans-serif;font-weight:300;font-size:16px;color:var(--text-dim);letter-spacing:1px;max-width:400px;line-height:1.8;margin-bottom:60px;opacity:0;animation:fadeUp 0.8s ease forwards 0.6s}.cover-features{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:40px;opacity:0;animation:fadeUp 0.8s ease forwards 0.7s}.cover-feature{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:2px;color:var(--text-muted);border:1px solid var(--border);padding:6px 14px;border-radius:20px}.cover-human{font-size:13px;color:var(--text-muted);margin-top:40px;font-style:italic;opacity:0;animation:fadeUp 0.8s ease forwards 1.2s}.floor-dots{display:flex;gap:10px;margin-bottom:60px;opacity:0;animation:fadeUp 0.8s ease forwards 0.8s}.floor-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:all 0.3s ease}.floor-dot.active{background:var(--accent);transform:scale(1.3)}.start-btn{font-family:'Space Mono',monospace;font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--bg);background:var(--accent);border:none;padding:18px 48px;cursor:pointer;transition:all 0.3s ease;opacity:0;animation:fadeUp 0.8s ease forwards 1s}.start-btn:hover{background:var(--text);transform:translateY(-2px)}@media (max-width:600px){.cover-title{font-size:clamp(40px,14vw,80px)}.start-btn{padding:16px 32px;font-size:11px}.landing-begin-btn{padding:16px 40px;font-size:12px;letter-spacing:4px}}.landing-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 24px;width:100%;max-width:760px}.landing-label{font-family:'Space Mono',monospace;font-size:11px;letter-spacing:5px;color:rgba(0,210,255,0.65);text-transform:uppercase;margin-bottom:20px;animation:fadeUp 0.7s ease forwards 0.1s;opacity:0}.landing-title{font-family:'Orbitron',sans-serif;font-size:clamp(42px,9vw,96px);font-weight:900;color:#e8f4ff;line-height:1.0;letter-spacing:-1px;margin-bottom:22px;animation:fadeUp 0.7s ease forwards 0.3s;opacity:0}.landing-title span{color:#00d4ff;animation:bookGlow 3s ease-in-out infinite}.landing-tagline{font-family:'Space Mono',monospace;font-size:clamp(15px,2.2vw,22px);color:rgba(200,225,255,0.75);line-height:1.55;margin-bottom:40px;animation:fadeUp 0.7s ease forwards 0.5s;opacity:0}.landing-begin-btn{font-family:'Space Mono',monospace;font-size:14px;letter-spacing:6px;text-transform:uppercase;color:#000e1e;background:#7eb8c8;border:none;padding:20px 80px;cursor:pointer;border-radius:2px;position:relative;overflow:hidden;transition:background 0.25s,transform 0.2s;margin-bottom:32px;animation:fadeUp 0.7s ease forwards 0.7s;opacity:0}.landing-begin-btn:hover{background:#a8d8e8;transform:translateY(-2px)}.landing-human{font-family:'Space Mono',monospace;font-size:12px;color:rgba(100,150,180,0.55);line-height:1.7;animation:fadeUp 0.7s ease forwards 0.9s;opacity:0}@keyframes bookGlow{0%,100%{text-shadow:0 0 20px rgba(0,220,255,0.45),0 0 50px rgba(0,220,255,0.20),0 0 90px rgba(0,220,255,0.10)}50%{text-shadow:0 0 30px rgba(0,220,255,0.90),0 0 65px rgba(0,220,255,0.55),0 0 110px rgba(0,220,255,0.28),0 0 160px rgba(0,220,255,0.10)}}@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}.landing-begin-btn::after{content:'';position:absolute;inset:0;background:linear-gradient( 105deg,transparent 40%,rgba(255,255,255,0.22) 50%,transparent 60% );background-size:200% 100%;animation:shimmer 3s ease-in-out infinite;pointer-events:none}.landing-begin-wrap{display:none}.landing-begin-title{display:none}.landing-begin-sub{display:none}@media (max-width:420px){.landing-title{font-size:clamp(32px,9.5vw,42px)}.landing-tagline{font-size:13px;margin-bottom:28px}.landing-begin-btn{max-width:100%;padding:16px 20px;font-size:12px;letter-spacing:4px}.landing-human{font-size:11px}}.cover-theme-orbs{display:flex;gap:10px;justify-content:center;margin-bottom:22px}.cover-orb{width:22px;height:22px;border-radius:50%;background:var(--orb-dot);border:2px solid rgba(255,255,255,0.15);cursor:pointer;padding:0;transition:transform 0.2s ease,box-shadow 0.2s ease,border-color 0.2s ease}.cover-orb:hover{transform:scale(1.28);box-shadow:0 0 12px var(--orb-glow)}.cover-orb.active{border-color:var(--orb-glow);box-shadow:0 0 18px var(--orb-glow),0 0 5px var(--orb-glow);transform:scale(1.18)}.auth-box{width:100%;max-width:370px;background:var(--auth-box-bg,rgba(255,255,255,0.04));border:1px solid var(--auth-box-border,rgba(255,255,255,0.10));border-radius:20px;padding:28px 24px 22px;box-shadow:0 8px 48px var(--auth-box-glow,rgba(0,0,0,0.18));backdrop-filter:blur(10px);transition:background 0.4s ease,border-color 0.4s ease,box-shadow 0.4s ease}.auth-box .auth-form{max-width:none}#auth-screen.auth-theme-cosmic-blue{--accent:#00c8ff;--auth-box-bg:rgba(0,140,255,0.08);--auth-box-border:rgba(0,200,255,0.24);--auth-box-glow:rgba(0,180,255,0.18);background:radial-gradient(ellipse 80% 55% at 50% 0%,rgba(0,150,255,0.22) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 0% 100%,rgba(0,100,200,0.14) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 100% 80%,rgba(0,80,220,0.10) 0%,transparent 60%),#020810}#auth-screen.auth-theme-cosmic-blue .auth-title{color:#00c8ff}#auth-screen.auth-theme-aurora-teal{--accent:#00e5b0;--auth-box-bg:rgba(0,180,130,0.08);--auth-box-border:rgba(0,220,160,0.24);--auth-box-glow:rgba(0,210,150,0.16);background:radial-gradient(ellipse 80% 55% at 50% 0%,rgba(0,200,140,0.20) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 0% 100%,rgba(0,160,110,0.14) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 100% 80%,rgba(0,140,100,0.10) 0%,transparent 60%),#020c09}#auth-screen.auth-theme-aurora-teal .auth-title{color:#00e5b0}#auth-screen.auth-theme-royal-violet{--accent:#a855f7;--auth-box-bg:rgba(120,50,230,0.09);--auth-box-border:rgba(168,85,247,0.28);--auth-box-glow:rgba(160,80,240,0.18);background:radial-gradient(ellipse 80% 55% at 50% 0%,rgba(120,60,230,0.24) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 0% 100%,rgba(90,30,190,0.16) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 100% 80%,rgba(70,20,170,0.12) 0%,transparent 60%),#06030f}#auth-screen.auth-theme-royal-violet .auth-title{color:#a855f7}#auth-screen.auth-theme-ember-crimson{--accent:#ff5555;--auth-box-bg:rgba(220,50,40,0.09);--auth-box-border:rgba(255,80,70,0.28);--auth-box-glow:rgba(255,70,60,0.18);background:radial-gradient(ellipse 80% 55% at 50% 0%,rgba(220,50,40,0.24) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 0% 100%,rgba(180,30,20,0.16) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 100% 80%,rgba(160,20,10,0.12) 0%,transparent 60%),#0d0303}#auth-screen.auth-theme-ember-crimson .auth-title{color:#ff5555}#auth-screen.auth-theme-obsidian-gold{--accent:#c8a96e;--auth-box-bg:rgba(180,140,50,0.08);--auth-box-border:rgba(200,169,110,0.28);--auth-box-glow:rgba(200,160,80,0.16);background:radial-gradient(ellipse 80% 55% at 50% 0%,rgba(180,140,50,0.20) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 0% 100%,rgba(140,100,30,0.14) 0%,transparent 60%),radial-gradient(ellipse 50% 40% at 100% 80%,rgba(120,80,20,0.10) 0%,transparent 60%),#080602}#auth-screen.auth-theme-obsidian-gold .auth-title{color:#c8a96e}