.terrain-maker-3d-page .nav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.terrain-maker-3d-page .terrain-maker-brand {
  position: relative;
}

.terrain-maker-3d-page #windErosionUi {
  display: none !important;
}

.terrain-maker-3d-page .terrain-maker-brand img {
  width: 40px;
  height: 40px;
  margin-top: 0;
  object-fit: contain;
}

.terrain-maker-beta-badge {
  position: absolute;
  top: 1px;
  right: -4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 14px;
  padding: 0;
  border-radius: 999px;
  background: #32a43f;
  color: #fff;
  font-size: 0.60rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  pointer-events: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}

.terrain-maker-3d-page {
  -webkit-user-select: none;
  user-select: none;
}

.terrain-maker-3d-page input,
.terrain-maker-3d-page textarea {
  -webkit-user-select: text;
  user-select: text;
}

.terrain-maker-3d-map-link {
  text-decoration: none;
}

.terrain-download-dropdown {
  position: relative;
}

.terrain-download-toggle {
  justify-content: center;
}

.terrain-download-chevron {
  width: 7px;
  height: 7px;
  margin: -3px 1px 0 3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.terrain-download-dropdown.open .terrain-download-chevron {
  margin-top: 3px;
  transform: rotate(225deg);
}

.terrain-download-menu {
  position: absolute !important;
  top: calc(100% + 6px) !important;
  right: 0 !important;
  left: auto !important;
  min-width: 258px;
  width: max-content;
  max-width: min(320px, calc(100vw - 20px));
  padding: 7px 0;
  border: 1px solid var(--color-accent);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.terrain-download-menu button {
  display: block;
  width: 100%;
  padding: 11px 16px;
  border: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  opacity: 0.82;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.terrain-download-menu button:hover,
.terrain-download-menu button:focus-visible {
  background: var(--color-accent);
  opacity: 1;
  outline: none;
}

.terrain-download-beta-note {
  margin-top: 5px;
  padding: 12px 16px 10px;
  border-top: 1px solid var(--color-accent);
  color: var(--color-text);
  white-space: normal;
}

.terrain-download-beta-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.terrain-download-beta-heading .terrain-maker-beta-badge {
  position: static;
  flex: 0 0 auto;
  width: auto;
  height: auto;
  padding: 3px 7px;
  font-size: 0.58rem;
}

.terrain-download-beta-note p {
  margin: 8px 0 0;
  color: var(--color-text-muted, #aaa);
  font-size: 0.76rem;
  line-height: 1.45;
}

.terrain-maker-3d-workspace .canvas-wrapper {
  cursor: crosshair;
}

.terrain-maker-3d-page .btn-round.is-running,
.terrain-maker-3d-page .btn-flat.is-running,
.terrain-maker-3d-page .btn-primary.is-running {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: wait;
  opacity: 0.82;
}

.terrain-run-spinner {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  border: 2px solid rgba(255, 255, 255, 0.32);
  border-top-color: #fff;
  border-radius: 50%;
  animation: terrain-run-spin 0.7s linear infinite;
}

.terrain-run-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.terrain-run-row .btn-round {
  width: 100%;
  min-width: 0;
  padding-inline: 12px;
  white-space: normal;
}

@keyframes terrain-run-spin {
  to {
    transform: rotate(360deg);
  }
}

.terrain-debug-log {
  max-height: 150px;
  margin: 10px 0 0;
  padding: 10px;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.28);
  color: rgba(255, 255, 255, 0.72);
  font: 11px/1.45 Consolas, "Courier New", monospace;
  white-space: pre-wrap;
}

.terrain-status {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 16;
  max-width: min(680px, calc(100% - 28px));
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(20, 21, 24, 0.86);
  color: #d8d8d8;
  font-size: 0.82rem;
  pointer-events: none;
}

.terrain-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.62);
}

.terrain-modal.active {
  display: flex;
}

.terrain-modal-actions button[hidden] {
  display: none;
}

.terrain-modal-card {
  width: min(620px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--color-panel);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.terrain-survey-modal {
  z-index: 3100;
  padding: 12px;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(2px);
}

.terrain-survey-modal .terrain-modal-card.survey-modal-content {
  width: min(460px, 100%);
  max-height: calc(100vh - 24px);
  margin: auto 0;
  padding: 22px 32px 24px;
  overflow-y: auto;
  border: none;
  border-radius: 14px;
  background: #1a1b1f;
  box-shadow: 0 12px 38px rgba(0, 0, 0, 0.72);
}

.terrain-survey-modal .survey-modal-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: auto;
  padding: 12px 34px 18px;
  border-bottom: 1px solid #303136;
}

.terrain-survey-modal .survey-modal-header h2 {
  margin: 0;
  color: #fff;
  font-size: 1.2rem;
  line-height: 1.22;
  text-align: center;
}

.terrain-survey-modal .survey-modal-header h2 strong {
  font-weight: 700;
}

.terrain-survey-modal .modal-close {
  position: absolute;
  top: 0;
  right: -8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  padding: 0;
  border: 2px solid #aeb0b4;
  border-radius: 50%;
  background: transparent;
  color: #d6d7da;
  cursor: pointer;
}

.terrain-survey-modal .modal-close:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.terrain-survey-modal .modal-close span,
.terrain-survey-modal .modal-close span::after {
  display: block;
  width: 12px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
}

.terrain-survey-modal .modal-close span {
  transform: rotate(45deg);
}

.terrain-survey-modal .modal-close span::after {
  content: "";
  transform: rotate(90deg);
}

.terrain-survey-modal .survey-form {
  display: grid;
  gap: 18px;
  padding-top: 20px;
}

.terrain-survey-modal .survey-hint {
  margin: 0;
  color: var(--color-text);
  font-size: 0.88rem;
  text-align: center;
}

.terrain-survey-question {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.terrain-survey-question legend {
  width: 100%;
  margin-bottom: 8px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
}

.terrain-survey-modal .survey-options {
  display: grid;
  gap: 8px;
}

.terrain-survey-modal .survey-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid #303136;
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
}

.terrain-survey-modal .survey-option:hover {
  border-color: var(--color-accent);
  background: rgba(20, 115, 230, 0.12);
}

.terrain-survey-modal .survey-option input {
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--color-primary);
}

.terrain-survey-modal .survey-other-field {
  display: grid;
  gap: 7px;
  padding: 0 2px;
}

.terrain-survey-modal .survey-other-field[hidden] {
  display: none;
}

.terrain-survey-modal .survey-other-field span {
  color: var(--color-text);
  font-size: 0.78rem;
}

.terrain-survey-modal .survey-other-field input {
  width: 100%;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid #303136;
  border-radius: 8px;
  background: #101114;
  color: #fff;
  outline: none;
}

.terrain-survey-modal .survey-other-field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(20, 115, 230, 0.2);
}

.terrain-survey-modal .survey-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.terrain-survey-modal .survey-actions .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 600px) {
  .terrain-survey-modal .terrain-modal-card.survey-modal-content {
    padding: 16px 20px 24px;
  }
}

.new-map-modal-card {
  width: min(624px, calc(100vw - 32px));
}

.terrain-modal-card h2 {
  margin: 0 0 18px;
  color: #d8d8d8;
  font-size: 1rem;
}

.terrain-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.new-map-settings-grid {
  grid-template-columns: minmax(0, 0.91fr) minmax(0, 1fr);
  column-gap: 19px;
  align-items: start;
}

.new-map-terrain-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.91fr) minmax(0, 1fr);
  align-items: start;
  gap: 19px;
}

.new-map-terrain-controls {
  display: grid;
  align-content: start;
  gap: 18px;
  min-width: 0;
}

.terrain-settings-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--color-text);
  font-size: 0.85rem;
}

.terrain-settings-wide {
  grid-column: 1 / -1;
}

.terrain-base-preview-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  align-items: center;
  gap: 14px;
}

.terrain-base-noise-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 12px;
  min-width: 0;
}

.new-map-terrain-controls .terrain-base-noise-controls {
  grid-template-columns: 1fr;
  gap: 10px;
}

.terrain-base-noise-controls label {
  gap: 4px;
  font-size: 0.8rem;
}

.terrain-base-noise-controls input[type="range"] {
  margin-top: 1px;
}

.terrain-base-preview {
  display: block;
  grid-column: 2;
  width: 112px;
  height: 112px;
  border-radius: 10px;
  background: #0e0f11;
  object-fit: cover;
}

.new-map-heightmap-preview {
  grid-column: 2;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  margin-top: 24px;
  border-radius: 6px;
}

.terrain-base-noise-controls[hidden] {
  display: none;
}

.terrain-base-noise-controls label > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.terrain-base-noise-controls output {
  min-width: 3.5em;
  color: var(--color-text-muted, #9a9da3);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.terrain-base-noise-controls input[type="range"] {
  width: 100%;
  margin: 4px 0 0;
}

.terrain-random-seed-btn {
  align-self: end;
  min-height: 38px;
}

.terrain-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

#settingsModal .terrain-modal-actions {
  justify-content: center;
  margin-top: 32px;
}

.terrain-export-list {
  padding: 12px;
}

.terrain-export-list canvas {
  image-rendering: auto;
}

.terrain-maker-3d-page .note-input {
  width: 100%;
  height: 38px;
  border: none;
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  padding: 0 12px;
  outline: none;
  box-sizing: border-box;
}

.terrain-dimensions-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.terrain-maker-3d-page .note-input:disabled {
  background: #24262a;
  color: #777b82;
  cursor: not-allowed;
  opacity: 1;
}

.terrain-setting-tooltip {
  position: fixed;
  z-index: 2147483647;
  max-width: min(280px, calc(100vw - 16px));
  box-sizing: border-box;
  padding: 8px 10px;
  border: 1px solid #48494c;
  border-radius: 6px;
  background: #0e0f11;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  font: 12px/1.45 Arial, sans-serif;
  text-align: left;
  white-space: normal;
  pointer-events: none;
}

.terrain-setting-tooltip[hidden] {
  display: none;
}
@media (max-width: 900px) {
  .terrain-settings-grid {
    grid-template-columns: 1fr;
  }

  .terrain-base-noise-controls {
    grid-template-columns: 1fr;
  }

  .terrain-base-preview-layout {
    grid-template-columns: minmax(0, 1fr) 96px;
    gap: 10px;
  }

  .new-map-settings-grid {
    grid-template-columns: minmax(0, 0.91fr) minmax(0, 1fr);
    column-gap: 19px;
  }

  .terrain-base-preview {
    width: 96px;
    height: 96px;
  }

  .terrain-maker-3d-workspace .tool-panel {
    width: 240px;
  }
}

@media (max-width: 560px) {
  .new-map-settings-grid {
    grid-template-columns: 1fr;
  }

  .new-map-terrain-layout {
    grid-template-columns: 1fr;
  }

  .new-map-heightmap-preview {
    grid-column: 1;
    width: min(100%, 296px);
    height: auto;
    aspect-ratio: 1;
    margin-top: 0;
    justify-self: center;
  }
}

.terrain-brush-list {
  display: grid;
  gap: 8px;
}

.tool-panel .terrain-brush-button {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid #3a3b40 !important;
  border-radius: 8px !important;
  background: #2d2e33 !important;
  color: var(--color-text);
  text-align: left;
  transition: background-color 0.16s ease, border-color 0.16s ease;
}

.tool-panel .terrain-brush-button:hover {
  background: #35363b !important;
}

.terrain-brush-button .icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex: 0 0 22px;
}

.tool-panel .terrain-brush-button.active {
  background: #3a3b41 !important;
  border-color: var(--color-primary) !important;
}

.tool-panel .terrain-brush-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.tool-panel #generateSurfaceBtn.texture-settings-dirty {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 1px var(--color-primary);
}

.terrain-brush-hint {
  margin: 12px 0 18px;
  color: var(--color-text);
  font-size: 0.75rem;
  line-height: 1.5;
}

#panel-sculpt .terrain-brush-list + h2 {
  padding-top: 10px;
}

.terrain-maker-3d-page .tool-panel .slider-row {
  flex-wrap: wrap;
  column-gap: 4px !important;
  row-gap: 0 !important;
}

.terrain-maker-3d-page .tool-panel .slider-row[hidden] {
  display: none !important;
}

.terrain-maker-3d-page .tool-panel .slider-row + .slider-row {
  margin-top: -5px !important;
}

.texture-panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 22px;
  margin-bottom: -10px;
}

.texture-panel-heading h2 {
  margin: 0 !important;
}

.texture-panel-reset {
  width: 28px;
  height: 28px;
  padding: 5px;
  border: 0;
  border-radius: 4px;
}

.texture-panel-reset img {
  width: 16px;
  height: 16px;
}

.terrain-maker-3d-page #panel-surface > .panel-divider {
  margin: 3px 0;
}

.terrain-analysis-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #d1d1d1;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  text-align: left;
  cursor: pointer;
}

.terrain-analysis-toggle img {
  width: 20px;
  height: 20px;
  transition: transform 0.18s ease;
}

.terrain-analysis-toggle[aria-expanded="true"] img {
  transform: rotate(180deg);
}

.terrain-analysis-controls[hidden] {
  display: none;
}

.terrain-analysis-controls {
  display: grid;
  gap: 10px;
}

.terrain-maker-3d-page .tool-panel .slider-row > .terrain-slider-label {
  flex: 0 0 100%;
  min-width: 0;
  color: var(--color-text);
  font-size: 0.75rem;
  line-height: 1.5;
  white-space: normal;
}

.terrain-maker-3d-page .tool-panel .slider-row > input[type="range"] {
  flex: 1 1 0 !important;
  width: 0;
  min-width: 0;
}

.terrain-maker-3d-page .tool-panel .slider-row > span:last-child {
  flex: 0 0 40px;
  min-width: 40px !important;
}

.terrain-maker-3d-page .sea-level-water-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 30px;
  margin: 0;
}

.terrain-maker-3d-page .sea-level-water-toggle {
  margin: 0;
}

.terrain-maker-3d-page .sea-level-water-color {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 50%;
}

.terrain-maker-3d-page input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.terrain-maker-3d-page input[type="number"]::-webkit-inner-spin-button,
.terrain-maker-3d-page input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.terrain-modal .terrain-random-seed-btn {
  background: #2d2e33;
  color: #fff;
  border: 1px solid #48494c;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.terrain-modal .terrain-random-seed-btn:hover {
  background: #3d3e44;
  border-color: #58595c;
}

.terrain-modal .terrain-random-seed-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.terrain-seed-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  color: var(--color-text);
  font-size: 0.85rem;
}

.terrain-seed-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 78px;
  gap: 6px;
  align-items: center;
}

.terrain-seed-controls .terrain-random-seed-btn {
  width: 78px;
  height: 38px;
  min-height: 38px;
  box-sizing: border-box;
  padding: 0 8px;
}

@media (max-width: 560px) {
  .terrain-dimensions-row {
    grid-template-columns: 1fr;
  }

  .terrain-seed-controls {
    grid-template-columns: minmax(0, 1fr) 70px;
  }

  .terrain-seed-controls .terrain-random-seed-btn {
    width: 70px;
    height: 38px;
    padding-inline: 8px;
  }
}
.terrain-heightmap-import {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid #48494c;
  border-radius: 10px;
  background: var(--color-bg);
}
.terrain-heightmap-import h3 { margin: 0 0 10px; font-size: 0.95rem; color: #fff; }
.terrain-panel-subtitle {
  margin: 2px 0 0;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
}
.terrain-heightmap-import p { font-size: 0.8rem; line-height: 1.5; color: var(--color-text); }
.terrain-heightmap-import input { width: 100%; color: var(--color-text); }
.terrain-heightmap-import input::file-selector-button {
  background: #2d2e33; color: #fff; border: 1px solid #48494c;
  border-radius: 50px; padding: 8px 14px; margin-right: 10px; cursor: pointer;
}
.terrain-palette {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}
.terrain-palette .element-color-picker {
  padding: 0;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
}

.terrain-palette .element-color-picker,
.terrain-palette .element-color-picker:hover,
.terrain-palette .element-color-picker:focus,
.terrain-palette .element-color-picker:focus-visible {
  border: none;
  outline: none;
  box-shadow: none;
}

.terrain-aware-detail-toggle {
  margin-top: 14px;
}