:root{--primary: #3b82f6;--primary-hover: #2563eb;--bg-main: #0f172a;--bg-card: #1e293b;--bg-sidebar: #111827;--text-main: #f8fafc;--text-muted: #94a3b8;--border: #334155;--success: #10b981;--error: #ef4444}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}button{cursor:pointer;border:none;border-radius:6px;font-weight:500;transition:all .2s}input,textarea{background:var(--bg-card);border:1px solid var(--border);color:var(--text-main);padding:.5rem;border-radius:6px}input:focus,textarea:focus{outline:2px solid var(--primary);border-color:transparent}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}