.sir { max-width: 640px; }
.sir-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.sir-tab {
  padding: 8px 12px; font-size: 13px; font-weight: 700; border: 1px solid #d9e0d4; border-radius: 6px;
  background: #fff; cursor: pointer; color: #27331f;
}
.sir-tab-active { background: #19616a; border-color: #19616a; color: #fff; }
.sir-panel { display: flex; flex-direction: column; gap: 12px; }
.sir-panel label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 700; color: #27331f; }
.sir-panel input, .sir-panel select { padding: 9px 11px; font-size: 14.5px; border: 1px solid #d9e0d4; border-radius: 6px; }
.sir-panel input:focus, .sir-panel select:focus { outline: 2px solid #19616a; outline-offset: 1px; }
.sir-hint { font-size: 12.5px; color: #5b6b56; margin: 4px 0 0; }
.sir-note { margin-top: 16px; font-size: 13px; color: #5b6b56; }

/* --- Icon converter tab --- */
.sir-icon-row { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 20px; }
.sir-icon-preview {
  width: 64px; height: 64px; border: 1px solid #d9e0d4; border-radius: 6px;
  background: #f3f4f8; image-rendering: pixelated; display: block;
}
.sir-icon-placeholder {
  width: 64px; height: 64px; border: 1px dashed #d9e0d4; border-radius: 6px;
  background: #f3f4f8; display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; color: #5b6b56; text-align: center; line-height: 1.3; padding: 4px; box-sizing: border-box;
}
.sir-icon-meta { display: flex; flex-direction: column; gap: 8px; }
.sir-icon-zoom-row { display: flex; align-items: center; gap: 8px; }
.sir-icon-zoom-row label { font-size: 12.5px; font-weight: 700; color: #27331f; }
.sir-icon-zoom-row input[type="range"] { flex: 1; min-width: 120px; }
#sir-icon-canvas { touch-action: none; }
.sir-download-link {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 14px; font-size: 13.5px; font-weight: 700; border-radius: 6px;
  background: #19616a; color: #fff; text-decoration: none; width: fit-content;
}
.sir-download-link:hover { background: #144a52; }
.sir-download-link[aria-disabled="true"] {
  background: #d9e0d4; color: #5b6b56; pointer-events: none;
}

/* --- RPC explorer tab --- */
.sir-rpc-banner {
  padding: 10px 12px; background: #f3f4f8; border: 1px solid #d9e0d4; border-radius: 6px;
  font-size: 12.5px; color: #5b6b56;
}
.sir-rpc-banner strong { color: #27331f; }
.sir-rpc-list { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.sir-rpc-method {
  border: 1px solid #d9e0d4; border-radius: 6px; background: #fff; padding: 10px 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.sir-rpc-method-name { font-family: ui-monospace, monospace; font-size: 13.5px; color: #19616a; font-weight: 700; }
.sir-rpc-method-desc { font-size: 12.5px; color: #5b6b56; }
.sir-rpc-method pre {
  margin: 0; padding: 10px 12px; background: #f3f4f8; border: 1px solid #d9e0d4; border-radius: 6px;
  font-family: ui-monospace, monospace; font-size: 12px; color: #27331f; overflow-x: auto; white-space: pre;
}
.sir-rpc-empty { font-size: 13px; color: #5b6b56; padding: 10px 12px; }

@media (max-width: 480px) {
  .sir-icon-row { flex-direction: column; }
}