@import "https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@400;500;600;700;800&display=swap";:root{--bg-primary:#121212;--bg-secondary:#1e1e1e;--bg-tertiary:#2a2a2a;--border-color:#333;--text-primary:#fff;--text-secondary:#b3b3b3;--accent-primary:#3b82f6;--accent-hover:#2563eb;--tier-basic:#10b981;--tier-intermediate:#f59e0b;--tier-expert:#ef4444;--tier-pro:#8b5cf6;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);line-height:1.6}.app-container{min-height:100vh;display:flex}.sidebar{background-color:var(--bg-secondary);border-right:1px solid var(--border-color);width:280px;height:100vh;padding:2rem 1.5rem;position:fixed;overflow-y:auto}.main-content{flex:1;max-width:1000px;margin-left:280px;padding:3rem 4rem}.brand{color:var(--text-primary);align-items:center;gap:.5rem;margin-bottom:2rem;font-size:1.25rem;font-weight:800;display:flex}.search-box{background-color:var(--bg-primary);border:1px solid var(--border-color);width:100%;color:var(--text-primary);border-radius:8px;margin-bottom:2rem;padding:.75rem 1rem;font-size:.875rem}.search-box:focus{border-color:var(--accent-primary);outline:none}.tier-section{margin-bottom:2rem}.tier-title{text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:.5rem;margin-bottom:.75rem;font-size:.75rem;font-weight:700;display:flex}.tier-title.basic{color:var(--tier-basic)}.tier-title.intermediate{color:var(--tier-intermediate)}.tier-title.expert{color:var(--tier-expert)}.tier-title.pro{color:var(--tier-pro)}.nav-link{color:var(--text-secondary);cursor:pointer;border-radius:6px;margin-bottom:.25rem;padding:.5rem .75rem;font-size:.875rem;text-decoration:none;transition:all .2s;display:block}.nav-link:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.nav-link.active{background-color:var(--bg-tertiary);color:var(--accent-primary);font-weight:500}.article-header{margin-bottom:3rem}.article-title{margin-bottom:.5rem;font-size:2.5rem;font-weight:800}.article-desc{color:var(--text-secondary);font-size:1.125rem}.command-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;margin-bottom:1.5rem;padding:1.5rem}.card-heading{margin-bottom:.5rem;font-size:1.125rem;font-weight:600}.card-text{color:var(--text-secondary);margin-bottom:1rem;font-size:.875rem}.code-container{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;position:relative;overflow:hidden}.code-header{background-color:var(--bg-tertiary);border-bottom:1px solid var(--border-color);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:.5rem 1rem;font-size:.75rem;display:flex}.copy-btn{color:var(--accent-primary);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:.25rem .5rem;font-size:.75rem;font-weight:600;transition:background .2s}.copy-btn:hover{background-color:#3b82f61a}.code-lines{padding:1rem}.code-line{font-family:var(--font-mono);font-size:.875rem;line-height:1.5;display:flex}.code-prompt{color:var(--tier-basic);-webkit-user-select:none;user-select:none;margin-right:.75rem}.code-text{color:#e5e5e5}.welcome-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;height:60vh;display:flex}.welcome-screen h2{margin-bottom:1rem;font-size:2rem}.welcome-screen p{color:var(--text-secondary);max-width:500px}