:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--text-primary:#0f172a;--text-secondary:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--border:#e2e8f0;--danger:#ef4444;--success:#10b981;--warning:#f59e0b}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(135deg,#f6f8fb,#e5ebf1);min-height:100vh;color:var(--text-primary)}*{box-sizing:border-box}a{color:var(--accent);text-decoration:none}input,select,textarea{background-color:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);padding:.5rem .75rem;border-radius:.375rem;font-size:.875rem;width:100%;outline:none;transition:border-color .2s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}button{background-color:var(--accent);color:#fff;border:none;padding:.5rem 1rem;border-radius:.375rem;font-size:.875rem;cursor:pointer;transition:background-color .2s}button:hover{background-color:var(--accent-hover)}table{width:100%;border-collapse:collapse}td,th{padding:.75rem;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-weight:500}.card{background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:.5rem;padding:1.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}