:root{--bg:#0f172a;--card:#111827;--muted:#94a3b8;--line:#243044;--blue:#2563eb;--green:#16a34a;--red:#dc2626;--text:#f8fafc}*{box-sizing:border-box}body{margin:0;font-family:Arial,'Noto Sans',sans-serif;background:linear-gradient(135deg,#0f172a,#1e293b);color:var(--text)}.login{min-height:100vh;display:grid;place-items:center}.box,.card{background:rgba(17,24,39,.94);border:1px solid var(--line);border-radius:22px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.box{width:min(420px,92vw);padding:34px}.brand{font-size:28px;font-weight:900}.sub{color:var(--muted);margin:8px 0 20px}input,select,button,textarea{font:inherit}input,select{width:100%;padding:12px;border-radius:12px;border:1px solid #334155;background:#0b1220;color:white;margin:6px 0 12px}button{border:0;border-radius:12px;padding:11px 16px;background:var(--blue);color:white;font-weight:800;cursor:pointer}button.secondary{background:#334155}button.danger{background:var(--red)}button.green{background:var(--green)}.layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.side{background:#020617;border-right:1px solid var(--line);padding:22px;position:sticky;top:0;height:100vh}.nav button{display:block;width:100%;text-align:left;margin:8px 0;background:#111827}.nav button.active{background:#2563eb}.main{padding:24px}.top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{padding:18px;margin-bottom:18px}.kpi{font-size:26px;font-weight:900;margin-top:8px}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse;background:#0b1220;border-radius:14px;overflow:hidden}th,td{padding:11px;border-bottom:1px solid #1f2937;text-align:left}th{background:#1e293b}.right{text-align:right}.hidden{display:none!important}.formgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.msg{margin-top:12px;color:#fde68a;white-space:pre-wrap}.canvasWrap{background:white;border-radius:14px;padding:10px}canvas{width:100%;height:240px;border:2px dashed #64748b;border-radius:12px;background:white;touch-action:none}.pill{display:inline-block;padding:4px 8px;border-radius:999px;background:#1e293b;color:#cbd5e1;font-size:12px}@media(max-width:900px){.layout{grid-template-columns:1fr}.side{height:auto;position:relative}.grid,.formgrid{grid-template-columns:1fr}.top{display:block}}