/* Configuration panels: global config, habitat management, and receiver configuration */

/* ===== GLOBAL CONFIGURATION PANEL ===== */
.global-config-overlay {
  position: fixed;
  top: 120px; /* Below the top controls */
  right: 20px;
  z-index: 1500;
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-speed) ease;
  pointer-events: none;
}

.global-config-overlay.open {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}

/* Legacy layout overrides to neutralize generic modal.css rules */
.global-config-overlay {
  /* Ensure slide-in panel, not full-screen overlay */
  left: auto;
  bottom: auto;
  width: auto;
  height: auto;
  background: none;
}

.global-config-content {
  background-color: var(--color-bg-panel);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-heavy);
  color: var(--color-text-light);
  width: 280px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  background-image: linear-gradient(var(--color-overlay), var(--color-overlay)), url('data:image/svg+xml;base64,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');
  background-size: auto;
  margin: 0; /* prevent centering from generic modal.css */
}

.global-config-header {
  padding: var(--spacing-lg);
  background-color: var(--color-panel-overlay);
  border-bottom: 2px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.global-config-header h3 {
  margin: 0;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-normal);
  text-shadow: var(--text-shadow-primary);
}

.global-config-body {
  padding: var(--spacing-xl);
}

.global-param-group {
  margin-bottom: var(--spacing-xl);
}

.global-param-group:last-child {
  margin-bottom: 0;
}

.global-param-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-normal);
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: var(--letter-spacing-normal);
}

.global-config-footer {
  padding: var(--spacing-lg);
  background-color: var(--color-panel-overlay);
  border-top: 2px solid var(--color-border);
}

.global-config-footer .action-btn {
  margin: 0;
}

/* Global configuration parameter styles */
.global-param {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--spacing-md);
}

.global-param label {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-normal);
  text-transform: uppercase;
}

/* Slider container for all range inputs */
.slider-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.slider-container input[type="range"] {
  flex-grow: 1;
  height: 8px;
  background: var(--color-scrollbar-track);
  border-radius: 5px;
  outline: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-secondary);
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--color-secondary-glow-30), 0 0 5px var(--color-secondary-glow-30);
  margin-top: -7px;
  transition: all 0.2s ease;
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--color-secondary-glow-50), 0 0 8px var(--color-secondary-glow-30);
}

.slider-container input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  cursor: pointer;
  background: var(--color-primary);
  border-radius: 5px;
  box-shadow: 0 0 5px var(--color-primary-glow-20);
}

.slider-container span {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  text-shadow: var(--text-shadow-secondary);
  min-width: 45px;
  text-align: center;
  padding: 4px 8px;
  background: var(--color-bg-dark);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

/* Custom scrollbar for global config panel */
.global-config-content::-webkit-scrollbar {
  width: 8px;
}

.global-config-content::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
  border-radius: var(--border-radius-sm);
}

.global-config-content::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--border-radius-sm);
}

.global-config-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Firefox support for range sliders */
.slider-container input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-secondary);
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--color-secondary-glow-30), 0 0 5px var(--color-secondary-glow-30);
  transition: all 0.2s ease;
}

.slider-container input[type="range"]::-moz-range-track {
  height: 4px;
  cursor: pointer;
  background: var(--color-primary);
  border-radius: 5px;
  box-shadow: 0 0 5px var(--color-primary-glow-20);
  border: none;
}

/* ===== RECEIVER CONFIGURATION MODAL ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-overlay);
  backdrop-filter: blur(5px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: all var(--transition-speed) ease;
}

.modal-overlay.open {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--color-bg-panel);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-heavy);
  width: 98vw;
  height: 95vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.8);
  transition: transform var(--transition-speed) ease;
  max-width: none;
  max-height: none;
  margin: 0; /* override generic modal.css margins */
  overflow: visible; /* allow internal scroll areas to control overflow */
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary-glow-20), transparent);
  flex-shrink: 0;
}

.modal-header h2 {
  margin: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  text-shadow: var(--text-shadow-primary);
  letter-spacing: var(--letter-spacing-wide);
  font-size: var(--font-size-xl);
}

.close-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-speed) ease;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  background: var(--color-secondary-glow-20);
  color: var(--color-secondary);
  transform: scale(1.1);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow: hidden;
  flex-grow: 1;
  display: flex;
  gap: var(--spacing-lg);
  align-items: stretch;
}

.receivers-grid-container {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0; /* allow inner list to shrink and scroll */
}

.batch-controls {
  padding: 10px var(--spacing-lg);
  background: var(--color-panel-overlay);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.batch-controls h3 {
  margin: 0 0 10px 0;
  color: var(--color-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-shadow: var(--text-shadow-secondary);
}

.batch-row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ===== HABITAT MANAGEMENT STYLES ===== */
.habitat-grid-container {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
  min-height: 0; /* allow inner list to shrink and scroll */
}

.habitat-header-controls {
  padding: 10px var(--spacing-lg);
  background: var(--color-panel-overlay);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}

.habitat-header-controls h3 {
  margin: 0 0 10px 0;
  color: var(--color-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  text-shadow: var(--text-shadow-secondary);
}

.habitat-controls-row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Compact add habitat button to match batch controls */
#add-habitat-btn {
  padding: var(--spacing-sm) var(--spacing-md) !important;
  font-size: 12px !important;
  min-width: auto !important;
  white-space: nowrap;
  height: auto !important;
  line-height: 1.2;
  border-radius: var(--border-radius-sm);
  text-align: center;
}

.habitat-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px; /* more outer spacing to prevent visual overlap */
  align-content: start; /* prevent stretched rows that can visually overlap */
  overflow-y: auto !important;
  padding: 16px;
  flex: 1 1 0%;
  min-height: 0;
  /* Constrain list height inside modal so it scrolls instead of overlapping */
  max-height: calc(95vh - 240px);
  scrollbar-width: thin !important;
  scrollbar-color: var(--color-border) var(--color-scrollbar-track) !important;
  box-sizing: border-box;
}

.habitat-config-item {
  background: var(--color-panel-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 12px; /* more inner padding */
  transition: all var(--transition-speed) ease;
  position: relative;
  height: fit-content;
  min-height: 140px;
  box-sizing: border-box;
}

.habitat-config-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--box-shadow-glow);
}

.habitat-config-item.editing {
  border-color: var(--color-secondary);
  box-shadow: 0 0 15px var(--color-secondary-glow-30);
}

.habitat-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px; /* more outer spacing to prevent visual overlap */
  align-content: start; /* avoid stretched rows that can visually overlap */
  gap: var(--spacing-sm);
  padding-right: var(--spacing-lg);
}

.habitat-title-section {
  flex-grow: 1;
  min-width: 0;
}

.habitat-name-display {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  margin: 0;
  text-shadow: var(--text-shadow-primary);
}

.habitat-name-input {
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  padding: 6px var(--spacing-sm);
  width: 100%;
  margin-bottom: 4px;
}

.habitat-name-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 5px var(--color-primary-glow-30);
}

.habitat-receiver-count {
  color: var(--color-text-muted);
  font-size: 10px;
  letter-spacing: var(--letter-spacing-normal);
}

.habitat-controls {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 55px;
}

.habitat-edit-btn, .habitat-save-btn, .habitat-cancel-btn, .habitat-delete-btn {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 10px;
  padding: 4px 6px;
  transition: all 0.2s ease;
  min-width: 50px;
  text-align: center;
  line-height: 1;
}

.habitat-edit-btn:hover, .habitat-save-btn:hover {
  background: var(--color-primary);
  color: var(--color-bg-panel);
}

.habitat-cancel-btn:hover {
  background: var(--color-text-muted);
  color: var(--color-bg-panel);
}

.habitat-delete-btn:hover {
  background: #dc3545;
  color: white;
}

.habitat-parameters {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.habitat-param {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.habitat-param label {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-normal);
}

.habitat-param-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.habitat-param input[type="range"] {
  flex: 1;
  min-width: 80px;
  height: 6px;
  background: var(--color-scrollbar-track);
  border-radius: 5px;
  outline: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.habitat-param input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--color-secondary);
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--color-secondary-glow-30), 0 0 5px var(--color-secondary-glow-30);
  margin-top: -6px;
  transition: all 0.2s ease;
}

.habitat-param input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  cursor: pointer;
  background: var(--color-primary);
  border-radius: 5px;
  box-shadow: 0 0 5px var(--color-primary-glow-20);
}

.habitat-param-value {
  min-width: 36px;
  text-align: center;
  font-size: 10px;
  color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
  padding: 2px 4px;
  background: var(--color-bg-dark);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

.habitat-color-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
}

.habitat-selector {
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-size: 13px;
  padding: 6px var(--spacing-sm);
  width: 100%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.habitat-selector:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 5px var(--color-primary-glow-30);
}

.habitat-selector:hover {
  border-color: var(--color-primary);
}

/* Explicit scrollbar styling to ensure visibility */
.receiver-list::-webkit-scrollbar,
.habitat-list::-webkit-scrollbar {
  width: 10px;
}

.receiver-list::-webkit-scrollbar-track,
.habitat-list::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
  border-left: 1px solid var(--color-border);
}

.receiver-list::-webkit-scrollbar-thumb,
.habitat-list::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 6px;
}

.receiver-list::-webkit-scrollbar-thumb:hover,
.habitat-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

.receiver-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 24px;
  align-items: start; /* ensure each card starts at the top of its grid area */
  align-content: start;
  /* Size every row to its cards' full contents, even when the list must scroll. */
  grid-auto-rows: max-content;
  overflow-y: auto !important;
  padding: 16px;
  flex: 1 1 0%;
  min-height: 0; /* ensure scroll area in flex column */
  box-sizing: border-box;
}

.receiver-config-item {
  background: var(--color-panel-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 12px;
  transition: all var(--transition-speed) ease;
  height: auto;
  min-height: 140px;
  box-sizing: border-box;
}

.receiver-config-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--box-shadow-glow);
}

.receiver-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.receiver-title {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  margin: 0;
  text-shadow: var(--text-shadow-primary);
}

.receiver-position {
  color: var(--color-text-muted);
  font-size: 10px;
  letter-spacing: var(--letter-spacing-normal);
}

.receiver-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.receiver-param {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.receiver-param label {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-normal);
}

/* Update existing receiver param styles to use consistent slider styling */
.receiver-param .slider-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.receiver-param .slider-container input[type="range"] {
  flex: 1;
  min-width: 80px;
  height: 6px;
  background: var(--color-scrollbar-track);
  border-radius: 5px;
  outline: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.receiver-param .slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 9px; /* ~35% smaller */
  height: 9px; /* ~35% smaller */
  background: var(--color-secondary);
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--color-secondary-glow-30), 0 0 5px var(--color-secondary-glow-30);
  margin-top: -3px; /* re-center for smaller thumb on 3px track */
  transition: all 0.2s ease;
}

.receiver-param .slider-container input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  cursor: pointer;
  background: var(--color-primary);
  border-radius: 5px;
  box-shadow: 0 0 5px var(--color-primary-glow-20);
}

/* Firefox equivalents for receiver sliders */
.receiver-param .slider-container input[type="range"]::-moz-range-thumb {
  width: 9px; /* match WebKit size */
  height: 9px;
  background: var(--color-secondary);
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 10px var(--color-secondary-glow-30), 0 0 5px var(--color-secondary-glow-30);
  transition: all 0.2s ease;
}

.receiver-param .slider-container input[type="range"]::-moz-range-track {
  height: 3px;
  cursor: pointer;
  background: var(--color-primary);
  border-radius: 5px;
  box-shadow: 0 0 5px var(--color-primary-glow-20);
  border: none;
}

.receiver-param .slider-container span {
  min-width: 36px;
  text-align: center;
  font-size: 10px;
  color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
  padding: 2px 4px;
  background: var(--color-bg-dark);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
}

.chart-container-modal {
  width: 340px;
  flex: 0 0 340px; /* fixed right sidebar for chart */
  background: var(--color-panel-overlay);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  min-width: 300px;
}

.chart-header-modal {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: 10px;
  text-shadow: var(--text-shadow-primary);
}

.chart-canvas-container {
  flex-grow: 1;
  position: relative;
  min-height: 300px;
  max-height: none;
}

.modal-footer {
  padding: 12px var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: linear-gradient(transparent, var(--color-panel-overlay));
  flex-shrink: 0;
}

/* Disabled state for configure button */
.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-text-muted);
  border-color: var(--color-text-muted);
}

.action-btn:disabled:hover {
  background: var(--color-text-muted);
  border-color: var(--color-text-muted);
  transform: none;
  box-shadow: none;
}

.action-btn.secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-light);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 12px;
}

.action-btn.secondary:hover {
  background: var(--color-border);
  border-color: var(--color-text-light);
}

/* Responsive modal design */

@media (max-width: 1200px) {
  .receiver-list {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

  .habitat-list {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }

  /* Keep chart on the right on medium screens */
  .modal-body {
    flex-direction: row;
  }
}

@media (max-width: 900px) {
  .modal-content {
    width: 99vw;
    height: 97vh;
    border-radius: var(--border-radius-sm);
  }

  /* At this size, stack chart on top for space */
  .modal-body {
    flex-direction: column;
  }

  .receiver-list {
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: var(--spacing-sm);
  }

  .habitat-list {
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: var(--spacing-sm);
  }


/* Explicit scrollbar styling to ensure visibility */
.receiver-list::-webkit-scrollbar,
.habitat-list::-webkit-scrollbar {
  width: 10px;
}

.receiver-list::-webkit-scrollbar-track,
.habitat-list::-webkit-scrollbar-track {
  background: var(--color-scrollbar-track);
  border-left: 1px solid var(--color-border);
}

.receiver-list::-webkit-scrollbar-thumb,
.habitat-list::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 6px;
}

.receiver-list::-webkit-scrollbar-thumb:hover,
.habitat-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}
  .batch-row {
    flex-direction: column;
  }

  .modal-footer {
    flex-direction: column;
  }

  .chart-container-modal {
    height: 280px;
  }

  .chart-canvas-container {
    min-height: 220px;
  }
}

@media (max-width: 768px) {
  .modal-content {
    width: 99vw;
    height: 98vh;
    border-radius: var(--border-radius-sm);
    margin: 0.5vh;
  }

  .receiver-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .habitat-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .batch-row {
    flex-direction: column;
  }

  .modal-footer {
    flex-direction: column;
    padding: var(--spacing-sm);
  }

  .chart-container-modal {
    height: 250px;
    padding: var(--spacing-sm);
  }

  .chart-canvas-container {
    min-height: 180px;
  }

  /* Habitat management responsive styles */
  .habitat-header-controls h3 {
    font-size: 12px;
  }

  .habitat-controls-row {
    flex-direction: column;
  }

  .habitat-config-item {
    padding: 12px;
    min-height: 180px;
  }

  .receiver-config-item {
    padding: 12px;
    min-height: 160px;
  }

  .habitat-item-header {
    padding-right: 18px;
  }

  .habitat-color-indicator {
    width: 14px;
    height: 14px;
    top: 8px;
    right: 8px;
  }

  .habitat-controls {
    min-width: 45px;
  }

  .habitat-edit-btn, .habitat-save-btn, .habitat-cancel-btn, .habitat-delete-btn {
    font-size: 9px;
    padding: 3px 5px;
    min-width: 45px;
  }
}

/* Receiver display names are editable without changing their internal IDs. */
.receiver-header > div { width: 100%; min-width: 0; }
.receiver-name-input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 5px 7px;
  margin-bottom: 4px;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}
.receiver-name-input:focus { outline: 1px solid var(--color-primary); border-color: var(--color-primary); }

/* The compact global editor stays over the controls or canvas. */
#global-config-panel {
  right: auto;
  transform: translateY(-6px);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
}
#global-config-panel.open { transform: translateY(0); }
#global-config-panel .global-config-content {
  width: 100%;
  max-height: inherit;
  box-sizing: border-box;
}
/* Receiver and habitat editing use the original large viewport modal. */
#receiver-config-modal .modal-content { min-width: 0; overflow: hidden; }
#receiver-config-modal .modal-body { min-height: 0; }
#receiver-config-modal .receivers-grid-container,
#receiver-config-modal .habitat-grid-container { min-width: 0; }
#receiver-config-modal .chart-container-modal { box-sizing: border-box; }
@media (max-width: 900px) {
  #receiver-config-modal .modal-body { overflow-y: auto; }
  #receiver-config-modal .receivers-grid-container,
  #receiver-config-modal .habitat-grid-container { flex: 0 0 auto; }
  #receiver-config-modal .receiver-list,
  #receiver-config-modal .habitat-list { max-height: 360px; }
  #receiver-config-modal .chart-container-modal { width: 100%; min-width: 0; height: 260px; flex: 0 0 260px; }
  #receiver-config-modal .chart-canvas-container { min-height: 180px; }
}