.tool-head{margin-bottom:22px}
.tool-head h2{font-family:'Fredoka',cursive,sans-serif;font-size:32px;font-weight:600;margin-bottom:6px}
.tool-layout{display:grid;grid-template-columns:minmax(300px,440px) 1fr;gap:24px;align-items:start}
.panel{background:var(--card-bg);border:2px solid var(--card-border);border-radius:12px;padding:22px;box-shadow:4px 4px 0 rgba(0,0,0,.15)}
.panel h3{font-size:17px;font-weight:600;margin-bottom:14px;display:flex;gap:8px;align-items:center}
.panel+.panel{margin-top:20px}
.field{margin-bottom:14px}
.field>label,.lbl{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:6px}
.field input[type=text],.field select{width:100%;padding:10px 12px;border:2px solid #000;border-radius:8px;font-size:14px;background:#fff;color:var(--text-main);outline:none}
.field input:focus,.field select:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.2)}
.field input[type=color]{width:48px;height:38px;border:2px solid #000;border-radius:8px;padding:2px;background:#fff;cursor:pointer}
.field input[type=range]{width:100%;accent-color:#2563eb}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:120px}
.inline{display:flex;align-items:center;gap:8px;font-size:14px}
.hint{font-size:12px;color:var(--text-muted);margin-top:5px;line-height:1.4}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:2px solid #000;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer;background:#2563eb;color:#fff;box-shadow:3px 3px 0 rgba(0,0,0,.25);font-family:'Comic Sans MS','Comic Sans',cursive}
.btn.ghost{background:#fff;color:#000}.btn.green{background:#16a34a}.btn.red{background:#dc2626}
.btn.sm{padding:6px 12px;font-size:12px}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.preview{background-color:#fff;background-image:linear-gradient(45deg,#e5e7eb 25%,transparent 25%,transparent 75%,#e5e7eb 75%),linear-gradient(45deg,#e5e7eb 25%,transparent 25%,transparent 75%,#e5e7eb 75%);background-size:20px 20px;border:2px solid #000;border-radius:12px;min-height:260px;display:flex;align-items:center;justify-content:center;padding:16px;overflow:auto}
.empty{color:var(--text-muted);text-align:center;font-size:14px;background:#fff;padding:14px 18px;border-radius:10px}
.empty i{font-size:34px;display:block;margin-bottom:8px;color:#94a3b8}
.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px;border:2px solid;display:none;line-height:1.45}
.alert.show{display:block}.alert.err{background:#fef2f2;border-color:#dc2626;color:#991b1b}
@media(max-width:900px){.tool-layout{grid-template-columns:1fr}}