:root{--bg-main:#050505;--bg-panel:#0f0f0f;--bg-hover:#1f1f1f;--text-main:#f5f5f5;--text-muted:#737373;--accent:#fff;--accent-hover:#d4d4d4;--accent-text:#000;--border:#262626;--danger:#ef4444;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);height:100vh;font-family:Inter,sans-serif;line-height:1.5;overflow:hidden}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif}#app{flex-direction:column;height:100vh;display:flex}.navbar{background-color:var(--bg-panel);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.brand{color:var(--text-main);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;text-decoration:none;display:flex}.brand span{color:var(--text-main);letter-spacing:.5px}.nav-links{align-items:center;gap:1rem;display:flex}button{background-color:var(--bg-hover);color:var(--text-main);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:.5rem 1rem;font-family:Inter,sans-serif;font-size:.9rem;font-weight:500;transition:all .2s}button:hover{background-color:var(--border)}button.primary{background-color:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}button.primary:hover{background-color:var(--accent-hover)}input,textarea,select{background-color:var(--bg-main);color:var(--text-main);border:1px solid var(--border);border-radius:6px;width:100%;padding:.75rem;font-family:Inter,sans-serif;font-size:.95rem}input:focus,textarea:focus,select:focus{border-color:var(--text-muted);outline:none;box-shadow:0 0 0 2px #ffffff1a}.page{flex:1;display:flex;overflow:hidden}.auth-container{background-color:var(--bg-panel);border:1px solid var(--border);border-radius:12px;width:100%;max-width:400px;margin:auto;padding:2rem;box-shadow:0 10px 25px #00000080}.auth-form{flex-direction:column;gap:1rem;margin-top:1.5rem;display:flex}.editor-layout{width:100%;height:100%;display:flex}.left-panel{border-right:1px solid var(--border);background-color:var(--bg-panel);flex-direction:column;width:40%;min-width:300px;display:flex}.right-panel{background-color:var(--bg-main);flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.panel-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1rem;display:flex}.panel-content{flex-direction:column;flex:1;padding:1rem;display:flex;overflow:auto}.tabs{border-bottom:1px solid var(--border);background-color:var(--bg-panel);display:flex}.tab{cursor:pointer;color:var(--text-muted);border-bottom:2px solid #0000;padding:.75rem 1rem}.tab.active{color:var(--text-main);border-bottom-color:var(--text-main)}.editor-textarea{resize:none;flex:1;min-height:200px;font-family:Consolas,Courier New,monospace;line-height:1.5}.svg-container{background-image:radial-gradient(circle, var(--border) 1px, transparent 1px);background-size:24px 24px;background-color:var(--bg-main);flex:1;padding:2rem;display:flex;overflow:auto}.svg-container svg{filter:drop-shadow(0 10px 15px #0000004d);max-width:100%;height:auto;margin:auto}.theme-selector{flex-wrap:wrap;gap:.5rem;margin-top:1rem;display:flex}.theme-btn{border:1px solid var(--border);background:var(--bg-main);cursor:pointer;border-radius:4px;padding:.5rem;font-size:.8rem}.theme-btn.active{border-color:var(--accent);background:var(--bg-hover)}.toast{background:var(--bg-panel);color:#fff;opacity:0;z-index:1000;border-radius:8px;padding:1rem;transition:all .3s;position:fixed;bottom:20px;right:20px;transform:translateY(100px);box-shadow:0 4px 12px #00000080}.toast.show{opacity:1;transform:translateY(0)}.toast.error{border-left:4px solid var(--danger)}.toast.success{border-left:4px solid var(--success)}