:root{--text: #6b6375;--text-h: #08060d;--bg: #fff;--border: #e5e4e7;--accent: #aa3bff;--accent-bg: rgba(170, 59, 255, .1);--accent-border: rgba(170, 59, 255, .5);--shadow: rgba(0, 0, 0, .1) 0 10px 15px -3px, rgba(0, 0, 0, .05) 0 4px 6px -2px;--success: #10b981;--success-bg: rgba(16, 185, 129, .1);--sans: system-ui, "Segoe UI", Roboto, sans-serif;--heading: system-ui, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;color-scheme:light dark;color:var(--text);background:linear-gradient(135deg,#f5f3ff,#fff);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:dark){:root{--text: #9ca3af;--text-h: #f3f4f6;--bg: #0f0f1e;--border: #2e303a;--accent: #c084fc;--accent-bg: rgba(192, 132, 252, .15);--accent-border: rgba(192, 132, 252, .5);--shadow: rgba(0, 0, 0, .4) 0 10px 15px -3px, rgba(0, 0, 0, .25) 0 4px 6px -2px;--success: #34d399;--success-bg: rgba(52, 211, 153, .1);background:linear-gradient(135deg,#0f0f1e,#1a1a2e)}}*{box-sizing:border-box}body{margin:0;min-height:100vh;padding-top:72px}h1,h2{font-family:var(--heading);font-weight:600;color:var(--text-h)}h1{font-size:32px;letter-spacing:-.5px;margin:0 0 24px}#app{padding:20px}#navbar{position:fixed;top:0;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;gap:24px;box-shadow:0 2px 8px #0000000d;z-index:100}.nav-link{text-decoration:none;color:var(--text);font-weight:500;padding:8px 12px;border-radius:6px;transition:all .3s ease;border-bottom:2px solid transparent}.nav-link:hover{color:var(--accent);border-bottom-color:var(--accent)}.nav-link:active{opacity:.7}#session-info{max-width:720px;margin:16px auto 40px;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--accent-bg);color:var(--text);font-size:14px;text-align:center}