body { font-family: Arial, sans-serif; margin: 0; background: #f4f6f8; color: #1c1c1c; }
.page { max-width: 1600px; margin: 0 auto; padding: 16px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
button, input[type=file] { padding: 8px 10px; }
.grid { display: grid; grid-template-columns: 340px 1fr; gap: 16px; align-items: start; }
.panel { background: white; border: 1px solid #d7dde3; border-radius: 10px; padding: 12px; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.panel-wide { overflow-x: auto; }
.preview-panel { margin-top: 16px; }
.meta-form { display: grid; grid-template-columns: 1fr; gap: 8px; }
.form-field { display: grid; gap: 4px; }
.form-field input { width: 100%; box-sizing: border-box; padding: 6px; }
#zonesTable { width: 100%; border-collapse: collapse; font-size: 13px; }
#zonesTable th, #zonesTable td { border: 1px solid #cfd6dd; padding: 4px; }
#zonesTable input, #zonesTable select { width: 100%; box-sizing: border-box; padding: 4px; }
.svg-wrap { overflow: auto; border: 1px solid #d7dde3; background: #fff; padding: 6px; min-height: 420px; }
.msg { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; }
.msg.ok { background: #e8f5e9; color: #1b5e20; }
.msg.error { background: #ffebee; color: #b71c1c; margin-bottom: 6px; }
h3 { margin-top: 0; }


.header {
  position: sticky;
  top: 10;
  z-index: 1000;
  margin-bottom: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  background: #0d47a1;   /* темно сина */
  color: white;
  padding: 10px 0;
  border-bottom: 2px solid #08306b;
}

}

.header-center {
  text-align: left;
  padding-left: 30px;
}


.header-center h1 {
  margin-left: 35px;
  font-size: 34px;
  color: white;
}

.header-center h2 {
  margin-left: 35px;
  font-size: 24px;
  color: #bbdefb;
  font-weight: normal;
}

.header-buttons {
  position: absolute;
  top: 20px;
  right: 30px;
  display: flex;
  gap: 8px;
}


.header-buttons button {
  background: white;
  color: #0d47a1;
  border: none;
  padding: 5px 10px;
  margin-left: 5px;
  border-radius: 4px;
  cursor: pointer;
}

.header-buttons button:hover {
  background: #e3f2fd;
}