:root{--bg-app: #0f172a;--bg-sidebar: #020617;--bg-card: #1e293b;--bg-hover: #334155;--border-color: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--color-primary: #00D6A4;--color-accent: #38bdf8;--color-danger: #ef4444;--color-warning: #f59e0b;--color-success: #10b981;--font-main: "Inter", system-ui, sans-serif;--radius: 6px}body{margin:0;padding:0;background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-main);-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--text-secondary)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.text-success{color:var(--color-success)}.bg-card{background-color:var(--bg-card)}.border-b{border-bottom:1px solid var(--border-color)}.border-r{border-right:1px solid var(--border-color)}.flex-center{display:flex;align-items:center;justify-content:center}h1,h2,h3{margin:0;font-weight:600}p{margin:0}input{background:var(--bg-app);border:1px solid var(--border-color);color:var(--text-primary);padding:.5rem 1rem;border-radius:var(--radius);outline:none}input:focus{border-color:var(--color-primary)}button.btn-primary{background:var(--color-primary);color:#000;border:none;padding:.6rem 1.2rem;border-radius:var(--radius);font-weight:600;transition:opacity .2s}button.btn-primary:hover{opacity:.9}button.btn-ghost{background:transparent;color:var(--text-secondary);border:none;padding:.5rem;border-radius:var(--radius)}button.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}