:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1d222b;--border: #262c38;--text: #e8eaf0;--muted: #8a93a4;--accent: #4f8cff;--danger: #ff5b5b;--success: #2ecc71}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}nav{display:flex;gap:1rem;padding:.75rem 1.5rem;background:var(--panel);border-bottom:1px solid var(--border);align-items:center}nav .spacer{flex:1}main{padding:1.5rem;max-width:1100px;margin:0 auto}button,.btn{background:var(--accent);color:#fff;border:0;padding:.5rem .9rem;border-radius:6px;cursor:pointer;font-size:.9rem}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger)}input,select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);padding:.5rem .7rem;border-radius:6px;font-size:.9rem;width:100%}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.25rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.2rem;margin-bottom:1rem}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--border);font-size:.9rem}th{color:var(--muted);font-weight:500}.err{color:var(--danger);margin:.5rem 0}.muted{color:var(--muted)}.row{display:flex;gap:.75rem;align-items:flex-end}.row>*{flex:1}