:root{--bg:#f6f7f9;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--dark:#111827;--green:#16a34a;--amber:#f59e0b;--red:#dc2626}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}aside{background:#111827;color:#fff;padding:22px 15px;position:sticky;top:0;height:100vh}
.brand{font-size:20px;font-weight:800}.tag{font-size:12px;color:#cbd5e1;margin:5px 0 22px}nav a{display:block;color:#e5e7eb;text-decoration:none;padding:11px 12px;border-radius:9px;margin:3px 0}nav a:hover{background:#1f2937}
main{padding:24px}header{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:flex-start;margin-bottom:18px}h1{margin:0}header p{margin:4px 0;color:var(--muted);font-size:13px}.user{font-size:13px}.user a{margin-left:10px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.kpi{font-size:28px;font-weight:800;margin-top:6px}.muted{color:var(--muted);font-size:13px}
.toolbar{display:flex;gap:9px;flex-wrap:wrap;margin:12px 0}input,select,textarea{padding:10px 12px;border:1px solid #d1d5db;border-radius:9px;background:#fff;font-size:14px}textarea{min-height:110px;width:100%}
button,.btn{display:inline-block;padding:10px 13px;border-radius:9px;border:0;font-weight:700;cursor:pointer;text-decoration:none;font-size:14px}.primary{background:var(--dark);color:#fff}.secondary{background:#fff;border:1px solid #d1d5db;color:var(--text)}.success{background:var(--green);color:#fff}.danger{background:var(--red);color:#fff}
.table{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:900px}th,td{padding:11px 13px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}th{background:#f9fafb}.pill{padding:4px 8px;border-radius:999px;background:#eef2ff;font-size:11px}
.alert{padding:12px 14px;border-radius:10px;margin:12px 0}.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}.warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.columns{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.kanban{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;overflow:auto}.stage{background:#eef2f7;border-radius:12px;padding:10px;min-width:220px}.lead{background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px;margin:8px 0}
.inbox{display:grid;grid-template-columns:320px 1fr;gap:12px}.convlist,.chat{background:#fff;border:1px solid var(--line);border-radius:14px}.conv{display:block;color:inherit;text-decoration:none;padding:12px;border-bottom:1px solid var(--line)}.conv:hover{background:#f3f4f6}.chat{padding:16px;min-height:430px}.bubble{max-width:72%;padding:10px 12px;border-radius:12px;margin:8px 0}.in{background:#f3f4f6}.out{background:#dcfce7;margin-left:auto}
.login{max-width:420px;margin:80px auto;padding:20px}.login .card input{width:100%;margin:6px 0 12px}
@media(max-width:900px){.app{grid-template-columns:1fr}aside{position:relative;height:auto}.grid,.columns,.kanban,.inbox{grid-template-columns:1fr}main{padding:14px}}

/* Follow-up action buttons that visually behave like links */
.link-button{
  appearance:none;
  background:none;
  border:0;
  padding:0;
  margin:0;
  color:#0000ee;
  text-decoration:underline;
  font:inherit;
  cursor:pointer;
  box-shadow:none;
  width:auto;
}


main{min-width:0}
.columns>*{min-width:0}
.columns label{min-width:0;display:block}
.columns input,.columns select,.columns textarea{width:100%;max-width:100%;min-width:0}
.card{min-width:0}

/* Quotation forms */
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}@media(max-width:900px){.grid2{grid-template-columns:1fr}}