/* =============================================================================
 * B04_wf1_Surface_UI_Style.css
 * 1차 워크플로우(지표면 모델 분석) 페이지 전용 스타일.
 *
 * 원칙(frontend.md §1): 하드코딩 색상 금지. theme.css 변수(var(--...))만 참조.
 * 공통 컴포넌트(ui-wf, ui-btn 등) 스타일은 ui_template_elements.ts가 주입하므로
 * 여기서는 B04 고유 레이아웃(폼 그룹/모델 카드)만 정의한다.
 * ========================================================================== */

/* --- 좌측 입력 폼 --- */
.b04-surface__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  padding: var(--spacing-16);
}

.b04-surface__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  margin: 0;
  padding: var(--spacing-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background-color: var(--color-surface-raised);
}

.b04-surface__group-legend {
  padding: 0 var(--spacing-8);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.b04-surface__check {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-body-sm);
  color: var(--color-text-body);
  cursor: pointer;
}

.b04-surface__check input {
  accent-color: var(--color-primary);
}

.b04-surface__panel-title {
  font-size: var(--text-body-sm);
  color: var(--color-text);
}

.b04-surface__select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inputs);
  background: var(--color-canvas);
  color: var(--color-text-body);
  padding: var(--spacing-8);
}

.b04-surface__input-info,
.b04-surface__model-meta,
.b04-surface__stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.b04-surface__line {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-16);
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
}

.b04-surface__line strong {
  color: var(--color-text-body);
  text-align: right;
  word-break: break-word;
}

/* --- 우측 결과 영역 --- */
.b04-surface__workspace {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: none;
  min-height: calc(100vh - var(--spacing-64));
}

.b04-surface__workspace > .b04-surface__status {
  justify-content: flex-end;
  padding: var(--spacing-12) var(--spacing-24);
  border-bottom: 1px solid var(--color-border);
}

.b04-surface__viewers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-16);
  width: 100%;
  padding: var(--spacing-16) var(--spacing-24);
  box-sizing: border-box;
}

.b04-surface__viewers > * {
  min-width: 0;
}

.b04-surface__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-16) var(--spacing-24);
  border-bottom: 1px solid var(--color-border);
}

.b04-surface__topbar h3,
.b04-surface__section h3 {
  font-size: var(--text-body);
}

.b04-surface__status {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  color: var(--color-text-secondary);
  font-size: var(--text-body-sm);
}

.b04-surface-viewer {
  min-height: 360px;
  height: 100%;
  padding: 0 var(--spacing-24) var(--spacing-24);
  box-sizing: border-box;
}

.b04-surface-viewer__canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-cards);
}

.b04-surface__bottom {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: var(--spacing-16);
  padding: var(--spacing-16) var(--spacing-24) var(--spacing-24);
  border-top: 1px solid var(--color-border);
}

.b04-surface__section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  min-width: 0;
}

.b04-surface__result {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  padding: var(--spacing-24);
}

.b04-surface__result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.b04-surface__result-head h3 {
  font-size: var(--text-subheading);
  color: var(--color-text);
}

.b04-surface__models {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--spacing-16);
}

.b04-surface__empty {
  color: var(--color-text-muted);
  font-size: var(--text-body-sm);
}

.b04-surface__model-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  padding: var(--spacing-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background-color: var(--color-surface-raised);
  box-shadow: var(--shadow-sm);
}

.b04-surface__stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  padding: var(--spacing-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background-color: var(--color-surface-raised);
}

.b04-surface__model-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-8);
}

.b04-surface__model-head strong {
  font-family: var(--font-display);
  color: var(--color-plum-velvet);
  text-transform: uppercase;
}

.b04-surface__model-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  word-break: break-all;
}

@media (max-width: 980px) {
  .b04-surface__bottom {
    grid-template-columns: 1fr;
  }
}

.point-viewer {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  overflow: hidden;
  background: var(--color-surface);
}

.terrain-model-group {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background: var(--color-surface);
}

.point-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-12);
  padding: var(--spacing-12) var(--spacing-16);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-raised);
}

.point-toolbar--stacked {
  align-items: flex-start;
  flex-wrap: wrap;
}

.point-toolbar div {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-8);
  flex-wrap: wrap;
}

.point-toolbar span {
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
}

.viewer-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-8);
  width: 100%;
}

.viewer-controls button {
  width: 100%;
  min-width: 0;
  min-height: 32px;
  padding: 0 var(--spacing-4);
  font-size: var(--text-caption);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-buttons);
  background: var(--color-canvas);
  color: var(--color-text);
  cursor: pointer;
}

.viewer-controls button:hover {
  border-color: var(--color-accent);
  background: var(--color-mist-violet);
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-4);
  min-height: 32px;
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.viewer-options {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  flex-wrap: wrap;
  padding: var(--spacing-12) var(--spacing-16);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-raised);
}

.viewer-options label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
}

.viewer-options label.is-disabled {
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.model-display-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-8);
  width: 100%;
}

.model-display-options .toggle-button {
  position: relative;
  justify-content: center;
  width: 100%;
  min-width: 0;
  min-height: 34px;
  padding: 0 var(--spacing-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-buttons);
  background: var(--color-canvas);
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
}

.model-display-options .toggle-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.model-display-options .toggle-button:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-mist-violet);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}

.model-display-options .toggle-button:has(input:focus-visible) {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.model-display-options .toggle-button.is-disabled {
  cursor: not-allowed;
}

.contour-interval-form {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: auto minmax(64px, 1fr) auto auto;
  align-items: center;
  gap: var(--spacing-8);
  width: 100%;
}

.contour-interval-input,
.contour-interval-submit {
  min-height: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-buttons);
  background: var(--color-canvas);
  color: var(--color-text);
}

.contour-interval-input {
  width: 100%;
  min-width: 0;
  padding: 0 var(--spacing-8);
}

.contour-interval-submit {
  padding: 0 var(--spacing-12);
  cursor: pointer;
}

.contour-interval-submit:disabled {
  cursor: wait;
  opacity: 0.6;
}

.viewer-option-val {
  font-variant-numeric: tabular-nums;
  min-width: 38px;
  display: inline-block;
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.subtle-notice {
  color: var(--color-text-muted);
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-8) var(--spacing-16);
  font-size: var(--text-caption);
}

.three-viewer {
  position: relative;
  width: 100%;
  height: 560px;
  background: var(--color-canvas);
}

.b04-surface__status-info {
  position: absolute;
  top: var(--spacing-12);
  left: var(--spacing-12);
  z-index: 2;
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--radius-inputs);
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
  pointer-events: none;
}

.b04-surface__scale,
.b04-map__scale {
  position: absolute;
  bottom: var(--spacing-16);
  left: var(--spacing-16);
  z-index: 2;
  height: var(--spacing-8);
  border: 2px solid var(--color-text-body);
  border-top: 0;
  color: var(--color-text-body);
  filter: drop-shadow(0 1px 1px var(--color-surface-raised));
  pointer-events: none;
}

.b04-surface__scale span,
.b04-map__scale span {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-semibold);
  text-shadow: 0 1px 2px var(--color-surface-raised);
}

/* --- 하단 2D 지도 --- */
.b04-map {
  --b04-map-vector: var(--color-accent);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  margin: var(--spacing-24);
  padding: var(--spacing-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background: var(--color-surface-raised);
}

.b04-map__header,
.b04-map__controls,
.b04-map__control-group,
.b04-map__layer-buttons {
  display: flex;
  align-items: center;
}

.b04-map__header {
  justify-content: space-between;
  gap: var(--spacing-16);
}

.b04-map__header h3 {
  font-size: var(--text-body);
  color: var(--color-text);
}

.b04-map__controls {
  gap: var(--spacing-12);
  flex-wrap: wrap;
}

.b04-map__control-group {
  gap: var(--spacing-8);
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
}

.b04-map__layer-buttons {
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.b04-map__controls button {
  min-height: 34px;
  padding: 0 var(--spacing-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-inputs);
  background: var(--color-canvas);
  color: var(--color-text-body);
}

.b04-map__controls button {
  cursor: pointer;
}

.b04-map__controls .b04-map__layer-button {
  padding: var(--spacing-8);
  opacity: 0.55;
}

.b04-map__layer-button.is-active {
  opacity: 1;
  box-shadow: inset 0 0 0 1px currentColor;
}

.b04-map__layer-button--gis {
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.b04-map__layer-button--gis.is-active {
  border-color: var(--b04-layer-color);
  color: var(--b04-layer-color);
  box-shadow: inset 0 0 0 1px var(--b04-layer-color);
}

.b04-map__viewport {
  position: relative;
  width: 100%;
  height: 560px;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background: var(--color-canvas);
}

.b04-map__viewport:active {
  cursor: grabbing;
}

.b04-map__image,
.b04-map__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.b04-map__image {
  object-fit: contain;
  transform-origin: center;
  user-select: none;
  pointer-events: none;
}

.b04-map__canvas {
  pointer-events: none;
}

.b04-map__empty,
.b04-map__status {
  position: absolute;
  z-index: 2;
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
}

.b04-map__empty {
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
}

.b04-map__status {
  top: var(--spacing-12);
  left: var(--spacing-12);
  padding: var(--spacing-4) var(--spacing-8);
  border-radius: var(--radius-inputs);
  background: var(--color-surface-raised);
}

@media (max-width: 760px) {
  .b04-map__header {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 1180px) {
  .b04-surface__viewers {
    grid-template-columns: 1fr;
  }
}