:root{
  --bg: #f7f9fb;
  --card: #fff;
  --muted: #666;
}
*{box-sizing:border-box}
body{font-family:Segoe UI, Roboto, Arial, sans-serif;margin:0;background:var(--bg);color:#222}
.container{max-width:820px;margin:28px auto;padding:18px;background:var(--card);border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,0.06)}
h1{margin:0 0 12px 0;font-size:20px}
.controls{display:flex;gap:8px;align-items:center;margin-bottom:12px}
select{padding:6px 10px;border-radius:6px;border:1px solid #ddd}
button{padding:6px 10px;border-radius:6px;border:1px solid #2d7ae6;background:#2d7ae6;color:#fff;cursor:pointer}
.ghost-btn{padding:6px 14px;border:1px solid rgba(13,96,208,0.4);background:transparent;color:#0d60d0;border-radius:8px}
.ghost-btn:hover{background:rgba(13,96,208,0.08)}
.modal-panel--user{max-width:720px}
.user-center-list{display:flex;flex-direction:column;gap:14px}
.user-center-empty{text-align:center;color:#777;padding:30px 0}
.user-center-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;border:1px solid #e5ebf5;border-radius:10px;background:#fbfdff}
.user-center-item-info{flex:1;min-width:0}
.user-center-item-info h3{margin:0;font-size:14px;color:#123}
.user-center-item-info p{margin:4px 0 0 0;font-size:12px;color:#6a7486}
.user-center-actions{display:flex;gap:8px}
.user-center-actions button{padding:6px 10px;border-radius:8px}
.user-center-download{background:#1f6feb;border:1px solid #1f6feb}
.user-center-delete{background:#f3f4f6;border:1px solid #cfd7e6;color:#333}
.status{display:flex;gap:18px;margin-bottom:14px;color:var(--muted)}
.status div{font-size:14px}
.chart{border-top:1px solid #f0f0f0;padding-top:12px}
.notes{margin-top:12px;color:#777;font-size:13px}
canvas{width:100%;height:100px;background:linear-gradient(180deg,#fff, #f8fbff);border-radius:6px}

.tools{margin-top:10px}
.tool-row{display:flex;gap:10px;align-items:center;margin:6px 0}
.tool{background:#f0f6ff;padding:6px 10px;border-radius:6px;border:1px solid #e0eaf8;color:#034ea2}
.sep{color:#666}

/* Tool list as buttons */
.tool-board{margin-top:18px;display:flex;flex-direction:column;gap:20px}
.tool-group{padding:16px;border-radius:14px;border:1px solid #e1e8f5;background:linear-gradient(180deg,#ffffff,#f7faff)}
.tool-group header h2{margin:0;font-size:18px;color:#0e3b7b}
.tool-group header p{margin:4px 0 14px 0;color:#567}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.tool-btn{width:100%;padding:12px 16px;border-radius:10px;border:1px solid rgba(3,78,162,0.12);background:linear-gradient(180deg,#ffffff,#f0f6ff);color:#013a78;font-weight:600;cursor:pointer;box-shadow:0 2px 6px rgba(3,78,162,0.06);transition:transform .08s ease,box-shadow .12s ease;text-align:left}
.tool-btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(3,78,162,0.12)}
.tool-btn:active{transform:translateY(0)}
.tool-btn:focus{outline:3px solid rgba(45,122,230,0.18);outline-offset:3px}
.tool-btn[disabled]{opacity:0.6;cursor:not-allowed}

.modal{display:none;position:fixed;inset:0;z-index:1200;align-items:center;justify-content:center}
.modal[aria-hidden="false"]{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,15,40,0.55)}
.modal-panel{position:relative;background:#fff;border-radius:14px;box-shadow:0 28px 70px rgba(5,9,30,0.35);width:min(840px,94%);max-height:90vh;overflow:hidden;display:flex;flex-direction:column}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;padding:18px 22px;border-bottom:1px solid #eef1f8;gap:12px}
.modal-header h2{margin:0;font-size:20px}
.modal-header p{margin:4px 0 0 0;font-size:13px;color:#667}
.modal-body{padding:20px;overflow:auto}
.modal-footer{display:flex;gap:10px;justify-content:flex-end;padding:14px 20px;border-top:1px solid #eef1f8}
.modal-close{border:1px solid #d0d5da;background:#ffffff;color:#222;padding:6px 8px;border-radius:10px;font-size:16px;cursor:pointer}
.modal-start{background:#2d7ae6;color:#fff;border:none;padding:10px 18px;border-radius:10px;cursor:pointer;font-weight:600;min-width:140px}

.tool-status{min-height:22px;margin-top:12px;font-size:13px;color:#556}
.tool-result{margin-top:12px;border:1px solid #e8eef8;border-radius:10px;padding:14px;background:#fdfdff;min-height:40px}
.tool-result pre{white-space:pre-wrap;font-family:"Fira Code",Consolas,monospace;font-size:13px;background:#111315;color:#f6f7fb;padding:12px;border-radius:8px;overflow:auto}
.tool-result img{max-width:100%;height:auto;border-radius:8px}
.tool-result .download-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:8px 12px;border-radius:8px;background:#1f6feb;color:#fff;text-decoration:none;font-size:13px}

.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:#445}
.field input[type=file],
.field input[type=text],
.field input[type=number],
.field select,
.field textarea{width:100%;padding:8px 10px;border:1px solid #cfd7e6;border-radius:8px;font-size:14px;font-family:inherit}
.field textarea{min-height:120px;resize:vertical}
.inline-fields{display:flex;gap:12px;flex-wrap:wrap}
.inline-fields .field{flex:1;min-width:160px}

.result-pills{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.result-pill{padding:4px 10px;border-radius:999px;background:#e9f2ff;color:#1c3c78;font-size:12px}

@media (max-width:600px){
  .controls{flex-direction:column;align-items:flex-start}
  .tool-btn{text-align:center}
}

.notes p{margin:0 0 8px 0;color:#666}