:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.iframe-container{width:100%;height:100%}.responsive-iframe{width:100%;height:100%;border:none}:root{--color-primary-teal: #0d9488;--color-primary-teal-hover: #0f766e;--color-primary-light: #f0fdfa;--color-text-primary: #1f2937;--color-text-secondary: #4b5563;--color-surface: #ffffff;--color-background: #f8fafc;--color-border: #e5e7eb;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}body{margin:0;font-family:var(--font-sans);background-color:var(--color-background);color:var(--color-text-secondary)}.layout-container{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}.navbar{display:flex;justify-content:space-between;align-items:center;background-color:var(--color-surface);padding:0 2rem;height:64px;border-bottom:1px solid var(--color-border);flex-shrink:0;position:relative;z-index:1000}.navbar-brand a{font-size:1.6rem;font-weight:600;color:var(--color-primary-teal);text-decoration:none;transition:color .2s ease-in-out}.navbar-brand a:hover{color:var(--color-primary-teal-hover)}.nav-links ul{display:flex;align-items:center;list-style:none;margin:0;padding:0;height:100%}.nav-link{display:flex;align-items:center;height:64px;padding:0 1.2rem;color:var(--color-text-secondary);text-decoration:none;font-weight:500;border-bottom:3px solid transparent;transition:color .2s,border-color .2s}.nav-link:hover{color:var(--color-primary-teal)}.nav-link.active{color:var(--color-primary-teal);border-bottom-color:var(--color-primary-teal)}.menu-toggle{display:none;background:none;border:none;font-size:2rem;color:var(--color-text-secondary);cursor:pointer;transition:color .2s}.menu-toggle:hover{color:var(--color-primary-teal)}.content-area{flex-grow:1;overflow:auto;padding:2rem}.welcome-message{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%}@media(max-width:768px){.navbar{padding:0 1rem}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:64px;left:0;width:100%;background-color:var(--color-surface);box-shadow:0 4px 12px #00000014}.nav-links.open{display:block}.nav-links ul{flex-direction:column;height:auto;width:100%}.nav-link{width:100%;height:auto;padding:1rem;justify-content:center;border-bottom:1px solid var(--color-border)}.nav-link.active{background-color:var(--color-primary-light);color:var(--color-primary-teal);border-bottom:1px solid var(--color-border)}.content-area{padding:1rem}}