:root{--bg:#0f0f0f;--bg-surface:#1a1a1a;--bg-card:#222;--bg-hover:#2a2a2a;--fg:#e8e8e8;--fg-secondary:#999;--fg-muted:#666;--accent:#c084fc;--accent-hover:#a855f7;--accent-dim:#c084fc1f;--border:#333;--success:#34d399;--warning:#fbbf24;--error:#f87171;--radius:12px;--radius-sm:8px;--shadow:0 2px 12px #0000004d}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg);height:100%;color:var(--fg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.6}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s}input,textarea,select{color:var(--fg);background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:100px}.app-layout{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border);z-index:100;flex-direction:column;width:240px;min-width:240px;padding:20px 0;transition:transform .3s;display:flex}.sidebar-logo{color:var(--accent);align-items:center;gap:10px;padding:0 20px 24px;font-size:18px;font-weight:700;display:flex}.sidebar-logo svg{flex-shrink:0;width:28px;height:28px}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:0 12px;display:flex}.sidebar-nav a{border-radius:var(--radius-sm);color:var(--fg-secondary);align-items:center;gap:12px;padding:10px 12px;font-size:14px;transition:all .2s;display:flex}.sidebar-nav a:hover{background:var(--bg-hover);color:var(--fg)}.sidebar-nav 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