:root{--bg:#0b0f1a;--panel:#161b2a;--border:#2d334a;--text:#f1f5f9;--dim:#94a3b8;--accent:#3b82f6;--success:#10b981}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,sans-serif}.app-shell{flex-direction:column;max-width:1000px;min-height:100vh;margin:0 auto;padding:0 1.5rem;display:flex}.site-header{border-bottom:1px solid var(--border);margin-bottom:2rem;padding:1.5rem 0}.header-container{justify-content:space-between;align-items:center;display:flex}.header-brand{align-items:center;gap:2.5rem;display:flex}.logo{color:var(--accent);letter-spacing:-.5px;font-size:1.4rem;font-weight:800;text-decoration:none}.nav-menu{gap:1.5rem;display:flex}.nav-menu a{color:var(--dim);font-size:.95rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-menu a:hover,.nav-menu a.active{color:var(--text)}button{cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:8px 16px;font-size:.85rem;font-weight:600;transition:all .2s}button:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);color:#fff;border:none}.btn-primary:hover{background:#2563eb}.editor-wrapper{flex-direction:column;flex:1;display:flex}.editor-controls{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.note-tabs{gap:8px;display:flex}.tab{background:0 0;padding:6px 14px}.tab.active{background:var(--panel);border-color:var(--accent)}.main-textarea{background:var(--panel);border:1px solid var(--border);color:#fff;resize:none;box-sizing:border-box;border-radius:12px;outline:none;width:100%;height:60vh;padding:1.5rem;font-family:Fira Code,monospace;font-size:1.1rem;line-height:1.6}.save-status{font-size:.8rem;font-weight:500}.save-status.saved{color:var(--success)}.static-content{max-width:720px;margin:0 auto;padding:2rem 0 5rem;line-height:1.8}.static-content h1{color:var(--text);letter-spacing:-1px;margin-bottom:1.5rem;font-size:3rem}.static-content h2{color:var(--accent);margin-top:2.5rem;font-size:1.6rem}.static-content p{color:var(--dim);font-size:1.15rem}.site-footer{border-top:1px solid var(--border);text-align:center;margin-top:auto;padding:3rem 0}.footer-nav{justify-content:center;gap:2rem;margin-bottom:1rem;display:flex}.footer-nav a{color:var(--dim);font-size:.9rem;text-decoration:none}.focus-mode .main-textarea{background:0 0;border-color:#0000;height:85vh}