*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #000000;--bg-secondary: #161b22;--text-primary: #c9d1d9;--text-secondary: #8b949e;--border: #30363d;--accent: #58a6ff}html,body{height:100%;overflow:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}#root{height:100vh;display:flex;flex-direction:column;overflow:hidden}.dashboard-header{position:sticky;top:0;z-index:50;border-bottom:1px solid #30363d;background:#000;padding:1rem 1.5rem;margin-bottom:0;flex-shrink:0}.header-content{display:flex;align-items:center;justify-content:space-between;max-width:1280px;width:100%;margin:0 auto;padding:0 1rem;gap:1rem}.header-left{display:flex;align-items:center;gap:0;flex-shrink:0;margin-left:-.5rem}.header-brand{font-size:1.1rem;font-weight:600;color:#c9d1d9;letter-spacing:-.01em;-webkit-user-select:none;user-select:none;font-family:Inter,sans-serif;transition:color .2s ease;cursor:pointer;padding:0;margin:0;background:transparent;border:none;display:inline-block}.header-brand:visited{color:#c9d1d9}.header-brand:hover{color:#58a6ff}.header-brand .brand-highlight{color:#c77dff}.header-logo-btn{display:flex;align-items:center;justify-content:center;background:transparent;border:none;padding:0;cursor:pointer;border-radius:8px;transition:opacity .2s ease;position:relative}.header-logo-btn:hover{opacity:.8}.logo-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#161b22;border:1px solid #30363d;border-radius:6px;padding:4px;min-width:180px;box-shadow:0 4px 12px #00000080;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;z-index:1000}.logo-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.logo-dropdown-item{display:block;width:100%;padding:8px 12px;color:#c9d1d9;text-decoration:none;border-radius:4px;font-size:.85rem;transition:all .2s ease;text-align:left;background:transparent;border:none;cursor:pointer;font-family:Inter,sans-serif}.logo-dropdown-item:hover{background:#161b22;color:#58a6ff}.header-logo{width:32px;height:32px;object-fit:contain;-webkit-user-select:none;user-select:none}.header-settings-btn{display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(199,125,255,.2);padding:.25rem;cursor:pointer;border-radius:10px;font-family:Inter,sans-serif;box-shadow:0 0 0 1px #c77dff33,0 0 8px #c77dff1a;transition:all .2s ease;width:32px;height:32px;position:relative}.header-settings-btn:hover{border-color:#c77dff4d;box-shadow:0 0 0 1px #c77dff4d,0 0 12px #c77dff33}.settings-icon{width:18px;height:18px;color:#c9d1d9}.settings-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:#161b22;border:1px solid #30363d;border-radius:6px;padding:4px;min-width:180px;box-shadow:0 4px 12px #00000080;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;z-index:1000}.settings-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.settings-dropdown-item{display:block;width:100%;padding:8px 12px;color:#c9d1d9;text-decoration:none;border-radius:4px;font-size:.85rem;transition:all .2s ease;text-align:left;background:transparent;border:none;cursor:pointer;font-family:Inter,sans-serif}.settings-dropdown-item:hover{background:#161b22;color:#58a6ff}.settings-dropdown-item.danger{color:#f85149}.settings-dropdown-item.danger:hover{background:#f8514926;color:#f85149}.header-controls{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.tools-item{position:relative}.nested-dropdown{position:absolute;left:0;top:calc(100% + 4px);margin-top:0;background:#161b22;border:1px solid #30363d;border-radius:6px;padding:4px;min-width:180px;box-shadow:0 4px 12px #00000080;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;z-index:1001}.nested-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.header-action-btn{background:transparent;color:#c9d1d9;border:1px solid rgba(199,125,255,.2);padding:.5rem .75rem;border-radius:10px;cursor:pointer;font-size:.85rem;transition:all .2s ease;font-family:Inter,sans-serif;box-shadow:0 0 0 1px #c77dff33,0 0 8px #c77dff1a}.header-action-btn:hover{border-color:#c77dff4d;box-shadow:0 0 0 1px #c77dff4d,0 0 12px #c77dff33}.header-action-btn:active{background:#c77dff1a}