/* ===== Tools hub grid ===== */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tool-card{
  background:var(--bg-900);border:1px solid var(--line);border-radius:12px;padding:28px;
  display:flex;flex-direction:column;transition:transform .2s, box-shadow .2s, border-color .2s;
}
.tool-card:hover{transform:translateY(-4px);border-color:rgba(209,213,219,0.9);box-shadow:0 10px 25px rgba(0,0,0,0.08),0 4px 10px rgba(0,0,0,0.04);}
.tool-icon{
  width:44px;height:44px;border-radius:10px;background:var(--violet-900);color:var(--violet-300);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.tool-card h3{font-family:'Sora',sans-serif;font-size:17px;font-weight:600;margin-bottom:8px;}
.tool-card p{font-size:14px;color:var(--text-2);margin-bottom:20px;flex:1;}
.tool-badge{
  display:inline-flex;align-self:flex-start;font-family:'Inter',sans-serif;font-size:11px;font-weight:600;
  color:var(--violet-300);background:var(--violet-900);padding:3px 9px;border-radius:20px;margin-bottom:14px;
}
.tool-link{font-size:13.5px;font-weight:600;color:var(--violet-400);display:inline-flex;align-items:center;gap:6px;}
.tool-link:hover{color:var(--violet-500);}
@media(max-width:900px){.tools-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.tools-grid{grid-template-columns:1fr;}}

/* ===== Individual tool page UI ===== */
.tool-app{background:var(--bg-800);border:1px solid var(--line);border-radius:14px;padding:32px;}
.tool-field{margin-bottom:20px;}
.tool-field label{display:block;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--text-1);margin-bottom:8px;}
.tool-field .hint{font-size:12.5px;color:var(--text-3);font-weight:400;margin-top:4px;}
.tool-input,.tool-textarea,.tool-select{
  width:100%;padding:11px 14px;border:1px solid var(--line-strong);border-radius:8px;
  font-family:'Inter',sans-serif;font-size:14px;color:var(--text-1);background:var(--bg-900);
  transition:border-color .15s;
}
.tool-input:focus,.tool-textarea:focus,.tool-select:focus{outline:none;border-color:var(--violet-500);}
.tool-textarea{resize:vertical;min-height:80px;font-family:'Inter',sans-serif;}
.tool-row{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;align-items:end;margin-bottom:10px;}
.tool-row .tool-input{margin:0;}
.tool-row-remove{
  background:rgba(239,68,68,0.1);color:var(--red-500);border:none;border-radius:8px;
  width:42px;height:42px;cursor:pointer;font-size:16px;flex-shrink:0;
}
.tool-add-btn{
  background:none;border:1px dashed var(--line-strong);border-radius:8px;padding:10px 16px;
  font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;width:100%;margin-top:4px;
}
.tool-add-btn:hover{border-color:var(--violet-400);color:var(--violet-400);}
.tool-actions{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap;}
.tool-btn-primary{
  background:var(--violet-500);color:#fff;padding:13px 22px;border-radius:8px;font-weight:600;
  font-size:14.5px;border:none;cursor:pointer;transition:background .15s;
}
.tool-btn-primary:hover{background:var(--violet-400);}
.tool-btn-ghost{
  background:transparent;color:var(--text-1);padding:13px 22px;border-radius:8px;font-weight:600;
  font-size:14.5px;border:1px solid var(--line-strong);cursor:pointer;
}
.tool-btn-ghost:hover{border-color:var(--violet-400);}
.tool-output-wrap{margin-top:24px;position:relative;}
.tool-output{
  width:100%;background:#0F172A;color:#DFFBF1;font-family:'Menlo','Consolas',monospace;
  font-size:13px;line-height:1.6;padding:20px;border-radius:10px;white-space:pre-wrap;
  word-break:break-word;min-height:120px;max-height:420px;overflow-y:auto;
}
.tool-copy-btn{
  position:absolute;top:12px;right:12px;background:rgba(255,255,255,0.1);color:#fff;
  border:none;border-radius:6px;padding:7px 12px;font-size:12px;font-weight:600;cursor:pointer;
}
.tool-copy-btn:hover{background:rgba(255,255,255,0.18);}