body {
  font-family: 'Roboto', sans-serif;
  background-color: white;
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  background: #001a70;
  color: white;
  padding: 1rem 2rem;
  text-align: center;
}

h1, h2, h3, h4 {
  color: #001a70;
}

fieldset {
  margin-bottom: 1.5rem;
  border: 1px solid #c0e6e5;
  padding: 1rem;
  border-radius: 4px;
}

legend {
  font-weight: bold;
  color: #00b388;
}

.btn.btn-primary {
  background-color: #00b388;
  border-color: #00b388;
  color: #fff;
}

.btn.btn-primary:hover {
  background-color: #009e7d;
  border-color: #009e7d;
}

.btn.btn-success {
  background-color: #00b388;
  border-color: #00b388;
  color: #fff;
}

.btn.btn-success:hover {
  background-color: #009e7d;
  border-color: #009e7d;
}

button {
  background: #001a70;
  color: white;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background: #009e7d;
}

/* Textová pole a selecty */
input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 0.4rem;
  margin: 0.2rem 0 1rem 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}

/* Checkbox */
input[type="checkbox"] {
  vertical-align: middle;
  margin-right: 0.5em;
  width: auto;
}

/* Sekvence výběru vrstev */
.layer-sequence {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.layer-selector select {
  min-width: 150px;
}

/* Tlačítko pro přidání vrstvy */
.add-layer-btn {
  padding: 0.3rem 0.6rem;
  font-size: 1.2rem;
  line-height: 1;
  border-radius: 4px;
  background-color: #00b388;
  color: white;
  border: none;
}

.add-layer-btn:hover {
  background-color: #009e7d;
}

/* Vizualizace vrstev jako boxy */
.layer-config-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.layer-box {
  background-color: #e0f7fa;
  min-width: 130px;
  padding: 0.5rem;
  text-align: center;
  border-radius: 6px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

.layer-box-empty {
  background-color: #f8d7da;
  font-style: italic;
}

.main-container {
  max-width: 900px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.section {
  margin-bottom: 3rem;
  display: block;
  width: 100%;
}

.global-settings {
  margin-bottom: 3rem;
  display: block;
  width: 40%;
}

.form-row {
  display: flex;
  align-items: center;
  margin-bottom: 1.2rem;
  gap: 1rem;
}

.form-row label {
  width: 180px;
  font-weight: 500;
  margin-bottom: 0;
}

.form-row input,
.form-row select {
  flex: 1;
  min-width: 200px;
}

.layer-block {
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: #f1f9ff;
  border: 1px solid #cce5ff;
  border-radius: 6px;
}

.layer-header {
  font-weight: bold;
  color: #001a70;
  margin-bottom: 0.5rem;
}

.layer-type {
  margin-left: 0.5rem;
  background-color: #00b388;
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.layer-config {
  margin-top: 0.5rem;
}

.add-layer-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.add-layer-row select {
  width: auto;
  min-width: 160px;
}

.add-layer-row button {
  padding: 0.4rem 0.8rem;
  font-size: 1rem;
}

.submit-row {
  margin-top: 2rem;
  text-align: center;
}

.submit-row button {
  font-size: 1rem;
  padding: 0.6rem 1.5rem;
  background-color: #00b388;
  border-radius: 6px;
}

.submit-row button:hover {
  background-color: #009e7d;
}