:root{color-scheme:dark;--bg-primary:#0f172a;--bg-secondary:rgba(15,23,42,0.92);--bg-elevated:rgba(30,41,59,0.85);--bg-glass:rgba(15,23,42,0.65);--accent:#60a5fa;--accent-strong:#38bdf8;--accent-soft:rgba(96,165,250,0.28);--highlight:#fbbf24;--text-primary:#e2e8f0;--text-muted:rgba(226,232,240,0.68);--border:rgba(148,163,184,0.35)}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at top,rgba(96,165,250,.12),rgba(15,23,42,.95)),url(https://images.unsplash.com/photo-1587202372775-98927a7bbb9f?auto=format&fit=crop&w=1600&q=80) 50%/cover no-repeat fixed;color:var(--text-primary);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}header{position:-webkit-sticky;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:linear-gradient(120deg,rgba(15,23,42,.92),rgba(30,41,59,.9));border-bottom:1px solid var(--border)}.top-bar{justify-content:space-between;padding:1rem clamp(1.5rem,4vw,3.25rem);gap:1.25rem}.logo,.top-bar{display:flex;align-items:center}.logo{gap:.85rem;text-decoration:none;color:inherit}.logo-mark{width:48px;height:48px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(96,165,250,.35),rgba(15,118,210,.2));border:1px solid rgba(96,165,250,.35);box-shadow:inset 0 0 24px rgba(56,189,248,.35)}.logo svg{width:30px;height:30px;fill:var(--accent)}.logo-title{display:flex;flex-direction:column;line-height:1.2}.logo-title span:first-child{font-family:Cinzel,serif;font-size:1.15rem;letter-spacing:.18em;color:var(--accent)}.logo-title span:last-child{font-size:.85rem;text-transform:uppercase;color:var(--text-muted);letter-spacing:.22em}.account-menu{position:relative;margin-left:auto}.menu-button{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1rem;border-radius:999px;border:1px solid var(--border);background:var(--bg-glass);color:var(--text-primary);font-weight:600;text-transform:uppercase;font-size:.78rem;letter-spacing:.22em;cursor:pointer;transition:background .2s ease,transform .2s ease,color .2s ease}.menu-button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.menu-button:hover{background:var(--accent-soft);color:var(--accent);transform:translateY(-1px)}.menu-panel{position:absolute;right:0;margin-top:.65rem;width:220px;padding:1.25rem;border-radius:16px;background:rgba(15,23,42,.96);border:1px solid rgba(96,165,250,.2);box-shadow:0 24px 50px rgba(2,6,23,.6);opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .2s ease,transform .2s ease,visibility .2s}.menu-panel.open{opacity:1;visibility:visible;transform:translateY(0)}.menu-panel h3{margin:0 0 .9rem;font-size:.82rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--text-muted)}.menu-panel a{display:block;text-decoration:none;padding:.65rem .75rem;border-radius:12px;color:var(--text-primary);font-weight:600;font-size:.92rem;background:rgba(15,23,42,.8);border:1px solid transparent;margin-bottom:.65rem;transition:background .2s ease,transform .2s ease,border-color .2s ease}.menu-panel a:last-child{margin-bottom:0}.menu-panel a:hover{background:var(--accent-soft);border-color:rgba(96,165,250,.35);transform:translateX(3px)}main{flex:1 1}.hero{padding:clamp(3rem,5vw,5.5rem) clamp(1.5rem,6vw,5.5rem) 3rem;display:flex;justify-content:center;align-items:center;text-align:center}.hero-content{position:relative;padding:clamp(2.5rem,5vw,3.6rem);border-radius:32px;background:linear-gradient(135deg,rgba(15,23,42,.88),rgba(30,58,138,.78));border:1px solid rgba(96,165,250,.25);box-shadow:0 40px 90px rgba(8,11,25,.75);overflow:hidden}.hero-content:before{inset:-40% auto auto -25%;width:60%;height:60%;background:radial-gradient(circle at center,rgba(96,165,250,.55),transparent 70%);filter:blur(6px)}.hero-content:after,.hero-content:before{content:"";position:absolute;pointer-events:none}.hero-content:after{inset:auto -35% -45% auto;width:50%;height:50%;background:radial-gradient(circle at center,rgba(251,191,36,.45),transparent 70%);filter:blur(10px)}.hero h1{font-family:Cinzel,serif;font-size:clamp(2.2rem,5vw,3.4rem);letter-spacing:.12em;margin:0;color:var(--text-primary);text-shadow:0 4px 30px rgba(15,23,42,.8)}.hero h1,.hero h2{position:relative;z-index:1;text-transform:uppercase}.hero h2{margin:1rem 0 0;font-size:clamp(1rem,2.5vw,1.4rem);letter-spacing:.24em}.hero h2,footer{color:var(--text-muted)}footer{padding:1.5rem;text-align:center;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;background:rgba(15,23,42,.85);border-top:1px solid var(--border)}.auth-container{flex:1 1;display:flex;justify-content:center;align-items:center;padding:2rem 1rem;min-height:100vh}.auth-card{width:100%;max-width:450px;padding:clamp(2rem,4vw,3rem);border-radius:24px;background:linear-gradient(135deg,rgba(15,23,42,.92),rgba(30,41,59,.88));border:1px solid rgba(96,165,250,.25);box-shadow:0 30px 80px rgba(8,11,25,.7)}.auth-header{text-align:center;margin-bottom:2rem}.back-link{display:inline-block;margin-bottom:1.5rem;color:var(--text-muted);text-decoration:none;font-size:.9rem;transition:color .2s ease}.auth-header h1,.back-link:hover{color:var(--accent)}.auth-header h1{font-family:Cinzel,serif;font-size:clamp(1.8rem,4vw,2.4rem);letter-spacing:.15em;text-transform:uppercase;margin:0 0 .5rem}.auth-header p{margin:0;color:var(--text-muted);font-size:.95rem;letter-spacing:.08em}.auth-form{gap:1.5rem}.auth-form,.form-group{display:flex;flex-direction:column}.form-group{gap:.5rem}.form-group label{font-weight:600;font-size:.88rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.form-group input{padding:.85rem 1rem;border-radius:12px;border:1px solid var(--border);background:rgba(15,23,42,.7);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease}.form-group input:focus{outline:none;border-color:rgba(96,165,250,.6);background:rgba(15,23,42,.85);box-shadow:0 0 0 3px rgba(96,165,250,.25)}.auth-button{padding:1rem 2rem;border-radius:12px;border:1px solid rgba(96,165,250,.4);background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.32));color:var(--text-primary);font-weight:600;font-size:.95rem;letter-spacing:.15em;text-transform:uppercase;cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;margin-top:.5rem}.auth-button:hover:not(:disabled){background:linear-gradient(135deg,rgba(59,130,246,.5),rgba(37,99,235,.35));transform:translateY(-2px);box-shadow:0 12px 30px rgba(37,99,235,.3)}.auth-button:disabled{opacity:.6;cursor:not-allowed}.auth-footer{margin-top:2rem;text-align:center;color:var(--text-muted);font-size:.9rem}.auth-footer a{color:var(--accent);text-decoration:none;font-weight:600;transition:color .2s ease}.auth-footer a:hover{color:var(--accent-strong)}.error-message{border-radius:12px;background:rgba(248,113,113,.18);border:1px solid rgba(239,68,68,.35);color:#fecaca}.error-message,.success-message{padding:1rem;font-size:.9rem;text-align:center}.success-message{border-radius:12px;background:rgba(74,222,128,.18);border:1px solid rgba(34,197,94,.35);color:#bbf7d0}.sign-out-button{width:100%;padding:.85rem 1.5rem;margin-top:1.5rem;border-radius:12px;border:1px solid var(--border);background:rgba(15,23,42,.6);color:var(--text-muted);font-weight:600;font-size:.9rem;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:background .2s ease,transform .2s ease,border-color .2s ease}.sign-out-button:hover{background:rgba(59,130,246,.15);border-color:rgba(96,165,250,.45);color:var(--text-primary);transform:translateY(-1px)}@media (max-width:600px){.top-bar{padding:.9rem 1.2rem}.logo-title span:first-child{font-size:1.02rem}.hero{padding:2.6rem 1.25rem}.hero-content{padding:2.2rem 1.8rem}}