@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color:#0d1117;--panel-bg:#161b22b3;--border-color:#ffffff1a;--text-primary:#e6edf3;--text-secondary:#8b949e;--accent-color:#58a6ff;--accent-hover:#3182ce;--glass-blur:blur(16px);--shadow:0 8px 24px #0006}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:Inter,sans-serif;line-height:1.5;overflow:hidden}.app-shell{width:100vw;height:100vh;display:flex}.sidebar{background:var(--panel-bg);width:260px;-webkit-backdrop-filter:var(--glass-blur);border-right:1px solid var(--border-color);flex-direction:column;display:flex}.sidebar-header{border-bottom:1px solid var(--border-color);padding:24px 20px}.sidebar-header h2{letter-spacing:-.02em;background:linear-gradient(90deg,#58a6ff,#bd93f9);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.25rem;font-weight:600}.sidebar-nav{flex-direction:column;gap:8px;padding:20px 12px;list-style:none;display:flex}.nav-link{color:var(--text-secondary);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:12px;width:100%;padding:10px 16px;font-family:inherit;font-size:.95rem;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{color:var(--text-primary);background:#ffffff0d}.main-content{flex-direction:column;flex:1;display:flex;position:relative;overflow-y:auto}.home-grid-container{width:100%;max-width:1200px;margin:0 auto;padding:40px}.page-header{justify-content:space-between;align-items:center;margin-bottom:32px;display:flex}.page-header h1{letter-spacing:-.02em;font-size:2rem;font-weight:600}.btn-primary{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:10px 20px;font-family:inherit;font-weight:500;transition:background .2s}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);background:#ffffff0d;border-radius:6px;padding:8px 16px;font-size:.9rem;text-decoration:none;transition:all .2s;display:inline-block}.btn-secondary:hover{background:#ffffff1a;border-color:#fff3}.grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.card{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-color);border-radius:12px;padding:24px;transition:transform .2s,box-shadow .2s}.card:hover{box-shadow:var(--shadow);border-color:#fff3;transform:translateY(-4px)}.card h3{margin-bottom:12px;font-weight:500}.card p{color:var(--text-secondary);margin-bottom:24px;font-size:.9rem}.html-page-view{flex-direction:column;height:100%;display:flex}.view-header{border-bottom:1px solid var(--border-color);background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);padding:20px 40px}.view-header h2{font-size:1.25rem;font-weight:500}.iframe-container{background:var(--bg-color);flex:1;padding:40px}.sandbox-iframe{border:1px solid var(--border-color);width:100%;height:100%;box-shadow:var(--shadow);background:#fff;border-radius:12px}