:root{--brand-start:#00d4ff;--brand-end:#09f;--bg-deep:#0f172a;--bg-surface:#1e293b;--bg-card:#1e293b99;--bg-card-hover:#334155cc;--text-primary:#fff;--text-secondary:#94a3b8;--text-muted:#64748b;--border-subtle:#94a3b826;--border-glow:#00d4ff4d;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--accent-teal:#14b8a6;--accent-teal2:#2dd4bf;--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-full:9999px;--shadow-glow:0 0 20px #00d4ff26;--shadow-card:0 2px 12px #0000004d;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono:ui-monospace, "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--dur-fast:.15s;--dur-normal:.25s;--dur-slow:.4s;font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-deep);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;--safe-top:0px;--safe-bottom:0px;--safe-left:0px;--safe-right:0px;font-size:16px;line-height:1.6}@supports (padding-top:env(safe-area-inset-top)){:root{--safe-top:env(safe-area-inset-top);--safe-bottom:env(safe-area-inset-bottom);--safe-left:env(safe-area-inset-left);--safe-right:env(safe-area-inset-right)}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;overflow-x:hidden}body{background-color:var(--bg-deep);min-height:100svh;color:var(--text-primary);font-family:var(--font-sans);font-size:1rem;line-height:1.6;overflow-x:hidden}#root{isolation:isolate;flex-direction:column;min-height:100svh;display:flex}h1,h2,h3,h4,h5,h6{color:var(--text-primary);letter-spacing:-.02em;font-weight:600;line-height:1.25}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{color:var(--text-secondary)}a{color:var(--brand-start);transition:color var(--dur-fast) var(--ease-out);text-decoration:none}a:hover{color:var(--brand-end)}small,.text-muted{color:var(--text-muted);font-size:.813rem}code,pre{font-family:var(--font-mono)}::selection{color:var(--text-primary);background:#00d4ff40}img,video,svg{max-width:100%;height:auto;display:block}input,textarea,select,button{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;outline:none}button{cursor:pointer;-webkit-user-select:none;user-select:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#94a3b840}::-webkit-scrollbar-thumb:hover{background:#94a3b873}html{scrollbar-width:thin;scrollbar-color:#94a3b840 transparent}.landing-page{z-index:500;background:linear-gradient(#08080a 0%,#0f172a 100%);justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.landing-content{text-align:center;flex-direction:column;align-items:center;max-width:380px;animation:.6s both fadeInUp;display:flex}.landing-logo{background:linear-gradient(135deg, var(--brand-start), var(--brand-end));color:#fff;letter-spacing:1px;border-radius:13px;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:20px;font-size:18px;font-weight:800;display:flex}.landing-title{color:var(--text-primary);letter-spacing:-1.2px;margin-bottom:8px;font-size:40px;font-weight:700;line-height:1.1}.landing-title span{color:var(--text-muted);font-weight:300}.landing-tagline{color:var(--accent-teal);margin-bottom:24px;font-size:16px;font-weight:500}.landing-desc{color:var(--text-secondary);margin-bottom:36px;font-size:14px;line-height:1.8}.landing-desc strong{color:var(--text-primary)}.landing-cta{border-radius:var(--radius);background:linear-gradient(135deg, var(--brand-start), var(--brand-end));color:#fff;cursor:pointer;border:none;width:100%;max-width:300px;height:52px;font-size:16px;font-weight:600;transition:all .2s;box-shadow:0 4px 24px #00d4ff4d}.landing-cta:hover{transform:translateY(-1px);box-shadow:0 6px 32px #00d4ff66}.landing-cta:active{transform:translateY(0)}