:root{--background:#031722;--surface:#071f2b;--surface-soft:#0a2734;--border:rgba(148,180,197,0.16);--text-primary:#edf8fc;--text-secondary:#9bb8c6;--text-muted:#6f919f;--accent:#18e0cf;--accent-soft:rgba(24,224,207,0.1);--radius-lg:24px;--radius-md:18px;--radius-sm:12px;--max-width:1180px}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:var(--background)}body{min-height:100vh;background:radial-gradient(circle at top right,rgba(24,224,207,.08),transparent 32%),var(--background);color:var(--text-primary);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{width:100%;min-height:100vh;padding:72px 28px}.hero{width:100%;max-width:var(--max-width);margin:0 auto}.brand{margin-bottom:24px;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.18em}.hero h1{max-width:780px;margin:0;font-size:clamp(40px,6vw,72px);line-height:1.02;letter-spacing:-.045em;color:var(--text-primary)}.subtitle{max-width:680px;margin-top:24px;color:var(--text-secondary);font-size:18px;line-height:1.7}.status-card{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:48px;padding:24px 26px;border:1px solid var(--border);border-radius:var(--radius-md);background:rgba(7,31,43,.72);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.status-card>div{display:flex;flex-direction:column;gap:7px}.status-label{color:var(--text-muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.status-card strong{font-size:17px;font-weight:700}.status-badge{flex-shrink:0;padding:9px 13px;border:1px solid rgba(24,224,207,.22);border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.05em}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:18px;gap:18px;margin-top:20px}.feature-card{min-height:220px;padding:28px;border:1px solid var(--border);border-radius:var(--radius-lg);background:linear-gradient(145deg,rgba(10,39,52,.92),rgba(5,27,38,.88));transition:transform .18s ease,border-color .18s ease}.feature-card:hover{transform:translateY(-3px);border-color:rgba(24,224,207,.3)}.feature-number{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;margin-bottom:32px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:800}.feature-card h2{margin-bottom:10px;font-size:20px;letter-spacing:-.02em}.feature-card p{color:var(--text-secondary);font-size:14px;line-height:1.65}.foundation-note{margin-top:24px;padding-top:22px;border-top:1px solid var(--border);color:var(--text-muted);font-size:12px;line-height:1.6}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:48px 20px;background:radial-gradient(circle at top right,rgba(24,224,207,.1),transparent 34%),linear-gradient(180deg,#031722,#041b27)}.login-panel{width:100%;max-width:520px;padding:38px;border:1px solid var(--border);border-radius:var(--radius-lg);background:linear-gradient(145deg,rgba(10,39,52,.98),rgba(5,27,38,.98));box-shadow:0 28px 70px rgba(0,0,0,.34);color:var(--text-primary)}.login-panel .brand{margin-bottom:20px}.login-panel h1{margin:0 0 18px;color:var(--text-primary);font-size:clamp(34px,5vw,52px);line-height:1.08;letter-spacing:-.04em}.login-panel .subtitle{margin-top:0;margin-bottom:30px;font-size:16px}.login-form{display:grid;grid-gap:16px;gap:16px}.login-form input{width:100%;padding:16px 18px;border:1px solid rgba(148,180,197,.18);border-radius:var(--radius-sm);background:var(--surface);color:var(--text-primary);font-size:15px;outline:none}.login-form input::placeholder{color:var(--text-muted)}.login-form input:focus{border-color:rgba(24,224,207,.55);box-shadow:0 0 0 3px rgba(24,224,207,.08)}.login-form button{width:100%;padding:16px 18px;border:0;border-radius:var(--radius-sm);background:var(--accent);color:var(--background);font-size:15px;font-weight:800;cursor:pointer}.login-error{padding:12px 14px;border:1px solid rgba(255,120,120,.22);border-radius:var(--radius-sm);background:rgba(255,80,80,.08);color:#ffb4b4;font-size:14px;line-height:1.5}.login-divider{display:flex;align-items:center;gap:14px;margin:6px 0;color:var(--text-muted);font-size:13px}.login-divider:after,.login-divider:before{content:"";flex:1 1;height:1px;background:var(--border)}.register-button{display:flex;align-items:center;justify-content:center;width:100%;padding:15px 18px;border:1px solid rgba(24,224,207,.45);border-radius:var(--radius-sm);background:rgba(24,224,207,.06);color:var(--accent);font-size:15px;font-weight:800}@media (max-width:820px){.app-shell{padding:48px 20px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:auto}}@media (max-width:520px){.app-shell{padding:36px 16px}.hero h1{font-size:42px}.subtitle{font-size:16px}.status-card{align-items:flex-start;flex-direction:column}.login-shell{padding:28px 16px}.login-panel{padding:26px 20px}.login-panel h1{font-size:38px}}