/* ============================================================================
   GEOGRAPHIA — 시뮬레이터 공통 껍데기
   ----------------------------------------------------------------------------
   8개 시뮬레이터가 같은 골격(캔버스 + 조작 패널)을 쓰므로 여기 한 곳에 모은다.
   stratum.css → geo.css → sim.css → (페이지별 style) 순으로 불러온다.

   구성: .sim-shell > .canvas-wrapper(3D 무대) + .controls-wrapper(조작 패널)
   ========================================================================== */

/* ── 전체 골격 ───────────────────────────────────────────────────────── */
.sim-shell, .dashboard-container {
  display: grid;
  gap: 14px;
  width: 100%; max-width: 1560px; margin: 0 auto;
  padding: 14px var(--pad-x) 20px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  align-items: stretch;
  min-height: calc(100dvh - var(--bar-h));
}
@media (max-width: 1000px) {
  .sim-shell, .dashboard-container {
    grid-template-columns: 1fr;
    min-height: 0;
  }
}

/* 단일 열 시뮬레이터(지도처럼 옆 패널이 없는 경우) */
.layout-wrapper {
  width: 100%; max-width: 1180px; margin: 0 auto;
  padding: clamp(20px, 3vw, 34px) var(--pad-x) clamp(40px, 6vw, 80px);
  display: flex; flex-direction: column; gap: 16px;
}

/* 페이지 머리 — 하위 페이지들과 같은 조판 */
.sheet-head { padding-bottom: 4px; }
.sheet-num {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 10px; font-weight: 600; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--accent-ink);
}
.sheet-title {
  margin-top: 10px; font-size: clamp(1.6rem, 3.6vw, 2.4rem); line-height: 1.12;
  font-weight: 700; letter-spacing: -0.032em; color: var(--st-label);
}
.sheet-meta {
  display: block; margin-top: 8px; font-size: 12.5px; color: var(--st-label-3);
  letter-spacing: var(--track-ko);
}

/* ── 3D 무대 ─────────────────────────────────────────────────────────── */
.canvas-wrapper, .canvas-stage, .map-frame, .display-wrapper {
  position: relative; overflow: hidden;
  border-radius: var(--st-r-page);
  background: var(--st-bedrock-sunken);
  box-shadow: inset 0 0 0 1px var(--st-separator), var(--st-shadow-low);
  min-height: 420px;
}
@media (max-width: 1000px) { .canvas-wrapper, .canvas-stage, .map-frame, .display-wrapper { min-height: 56vh; } }
.canvas-wrapper canvas, .canvas-stage canvas, .canvas-inner canvas { display: block; }
.canvas-inner { position: absolute; inset: 0; }
/* 3D·지도가 붙는 컨테이너는 부모를 꽉 채워야 한다.
   (높이를 주지 않으면 Leaflet·Three가 0px 캔버스를 만든다) */
#simulation-container, #canvas-container, #map { position: absolute; inset: 0; }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-frame { min-height: 520px; }
@media (max-width: 1000px) { .map-frame { min-height: 62vh; } }

/* 무대 위에 떠 있는 안내 — 콘텐츠 위에 뜨는 기능층이라 유리로 */
.guide-badge, .crosshair-label, .cap-top {
  position: absolute; top: 14px; left: 14px; z-index: 5;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: var(--st-r-full);
  background: var(--st-glass-sheen), var(--st-mat-thin-bg);
  -webkit-backdrop-filter: var(--st-mat-thin-blur); backdrop-filter: var(--st-mat-thin-blur);
  box-shadow: inset 0 0.5px 0 0 var(--st-glass-specular),
              inset 0 0 0 0.5px var(--st-glass-rim), var(--st-shadow-glass);
  font-size: 11.5px; font-weight: 600; letter-spacing: var(--track-ko);
  color: var(--st-label-2); pointer-events: none; max-width: calc(100% - 28px);
}
.guide-badge svg { width: 13px; height: 13px; color: var(--accent); flex-shrink: 0; }

/* ── 조작 패널 ───────────────────────────────────────────────────────── */
.controls-wrapper {
  display: flex; flex-direction: column; gap: 14px;
  min-width: 0; min-height: 0;
  overflow-y: auto; overscroll-behavior: contain;
  padding-right: 2px;
  scrollbar-width: thin; scrollbar-color: var(--st-separator-strong) transparent;
}
.controls-wrapper::-webkit-scrollbar { width: 5px; }
.controls-wrapper::-webkit-scrollbar-thumb { background: var(--st-separator-strong); border-radius: 3px; }

/* 패널 한 덩이 */
.panel-header, .control-group, .control-box, .info-panel, .timeline-box,
.caption-box, .equation-box, .chart-wrapper, .legend-box, .info-card, .ledger-panel {
  background: var(--st-surface); border: 1px solid var(--st-separator);
  border-radius: var(--st-r-container); box-shadow: var(--st-shadow-low);
  padding: 16px 18px;
}

.panel-header h2, .box-title, .cap-top, .eq-title {
  font-size: 15px; font-weight: 700; letter-spacing: -0.02em; color: var(--st-label);
  display: flex; align-items: center; gap: 8px;
}
.panel-header h2 svg, .box-title svg { width: 17px; height: 17px; color: var(--accent); flex-shrink: 0; }
.panel-header p, .control-group > p {
  margin-top: 8px; font-size: 12.5px; line-height: 1.7;
  color: var(--st-label-2); letter-spacing: var(--track-ko);
}

/* 묶음 제목 */
.control-group > label, .input-group > label, .ctl-label {
  display: block; margin-bottom: 8px;
  font-size: 10px; font-weight: 600; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--st-label-3);
}

/* ── 세그먼티드 (라디오 2~3개) ────────────────────────────────────────── */
.segment-control {
  position: relative; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  gap: 2px; padding: 3px; border-radius: var(--st-r-element);
  background: var(--st-fill-2);
}
.segment-control input { position: absolute; opacity: 0; pointer-events: none; }
.segment-control label {
  position: relative; z-index: 1; text-align: center; cursor: pointer;
  padding: 8px 10px; border-radius: max(var(--st-r-inner), calc(var(--st-r-element) - 3px));
  font-size: 12px; font-weight: 600; letter-spacing: var(--track-ko);
  color: var(--st-label-3);
  transition: color var(--st-dur-fast) var(--st-ease);
}
.segment-control input:checked + label { color: var(--st-label); }
.segment-control label:hover { color: var(--st-label-2); }
.segment-highlight {
  position: absolute; z-index: 0; top: 3px; bottom: 3px; left: 3px;
  border-radius: max(var(--st-r-inner), calc(var(--st-r-element) - 3px));
  background: var(--st-surface); box-shadow: var(--st-shadow-low);
  transition: transform var(--st-spring-snappy-dur) var(--st-spring-snappy),
              width var(--st-spring-snappy-dur) var(--st-spring-snappy);
}

/* ── 슬라이더 ────────────────────────────────────────────────────────── */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 26px; background: transparent; cursor: pointer; display: block;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 5px; border-radius: var(--st-r-full); background: var(--st-fill);
}
input[type="range"]::-moz-range-track {
  height: 5px; border-radius: var(--st-r-full); background: var(--st-fill);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; margin-top: -7.5px; border-radius: 50%;
  background: var(--st-surface);
  box-shadow: inset 0 0 0 1px var(--st-separator-strong), 0 1px 2px rgba(0,0,0,.14), 0 4px 10px rgba(0,0,0,.14);
  transition: transform var(--st-dur-fast) var(--st-ease), box-shadow var(--st-dur-fast) var(--st-ease);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border: 0; border-radius: 50%;
  background: var(--st-surface);
  box-shadow: inset 0 0 0 1px var(--st-separator-strong), 0 1px 2px rgba(0,0,0,.14), 0 4px 10px rgba(0,0,0,.14);
}
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.08); }
input[type="range"]:active::-webkit-slider-thumb {
  transform: scale(0.96);
  box-shadow: inset 0 0 0 2px var(--accent), 0 1px 2px rgba(0,0,0,.14);
}
input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: inset 0 0 0 2px var(--accent), var(--st-ring); }

/* 큰 수치 표시 */
.month-display, .alt-display, .value-display, .readout {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.1; color: var(--st-label);
  font-variant-numeric: tabular-nums;
}
.timeline-box { display: flex; flex-direction: column; gap: 10px; }

/* ── 버튼 ────────────────────────────────────────────────────────────── */
.play-btn, .action-btn, .btn-run, .btn-random, .btn-reset {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; height: 42px; padding: 0 18px; border-radius: var(--st-r-full);
  background: var(--st-accent-solid); color: #fff;
  font-size: 13px; font-weight: 600; letter-spacing: var(--track-ko); white-space: nowrap;
  transition: background var(--st-dur-fast) var(--st-ease), transform var(--st-dur-instant) var(--st-ease);
}
.play-btn:hover, .action-btn:hover, .btn-run:hover, .btn-random:hover, .btn-reset:hover {
  background: var(--st-accent-hover);
}
.play-btn:active, .action-btn:active, .btn-run:active, .btn-random:active, .btn-reset:active { transform: scale(0.98); }
.play-btn svg, .action-btn svg, .btn-run svg { width: 15px; height: 15px; }
.btn-reset, .action-btn.secondary {
  background: var(--st-fill-2); color: var(--st-label-2);
}
.btn-reset:hover, .action-btn.secondary:hover { background: var(--st-fill); color: var(--st-label); }
.action-btns { display: flex; gap: 8px; }
.action-btns > * { flex: 1; }

/* ── 해설 패널 — 읽는 영역이라 차분한 바탕에 ──────────────────────────── */
.info-panel { padding: 0; overflow: hidden; }
.info-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 18px; border-bottom: 1px solid var(--st-separator);
  background: var(--st-bedrock-sunken);
  font-size: 10px; font-weight: 600; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--st-label-3);
}
.info-header svg { width: 14px; height: 14px; color: var(--accent); }
.info-content {
  padding: 16px 18px; font-size: 13px; line-height: 1.8;
  color: var(--st-label-2); letter-spacing: var(--track-ko);
}
.info-content b, .info-content strong { color: var(--st-label); font-weight: 600; }

/* 사례 설명 (dynamic_earth · world_landforms) */
.caption-box { display: flex; flex-direction: column; gap: 6px; }
.caption-category {
  font-size: 10px; font-weight: 600; letter-spacing: var(--track-wide);
  text-transform: uppercase; color: var(--accent-ink);
}
.caption-title { font-size: 16px; font-weight: 700; letter-spacing: -0.022em; color: var(--st-label); }
.caption-sub { font-size: 12.5px; line-height: 1.7; color: var(--st-label-2); letter-spacing: var(--track-ko); }
.cap-ex {
  margin-top: 6px; padding-top: 10px; border-top: 1px solid var(--st-separator);
  font-size: 12px; line-height: 1.7; color: var(--st-label-3); letter-spacing: var(--track-ko);
}

/* 수식 */
.equation-box { text-align: center; }
.eq-title { justify-content: center; font-size: 10px; letter-spacing: var(--track-wide);
            text-transform: uppercase; color: var(--st-label-3); font-weight: 600; }
.eq-formula { margin-top: 10px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em;
              color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.badge-inc, .badge-alt {
  display: inline-flex; align-items: center; padding: 3px 10px; border-radius: var(--st-r-full);
  font-size: 11px; font-weight: 600; letter-spacing: var(--track-ko);
  background: var(--st-accent-soft); color: var(--accent-ink);
}

/* 차트 · 범례 */
.chart-container, .chart-wrapper { position: relative; }
.chart-container canvas { display: block; max-width: 100%; }
.legend-box { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.legend-box > * { display: inline-flex; align-items: center; gap: 6px;
                  font-size: 12px; color: var(--st-label-2); letter-spacing: var(--track-ko); }
.color-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }

/* 입력 */
.input-group { display: flex; flex-direction: column; gap: 8px; }
.input-group input[type="text"], .input-group input[type="number"], .input-group select, .sim-input {
  width: 100%; height: 40px; padding: 0 13px;
  background: var(--st-bedrock); color: var(--st-label);
  border: 1px solid var(--st-separator); border-radius: var(--st-r-element);
  font-family: inherit; font-size: 13.5px; letter-spacing: var(--track-ko);
}
.input-group input:focus, .input-group select:focus, .sim-input:focus {
  outline: none; border-color: var(--accent); box-shadow: var(--st-ring); background: var(--st-surface);
}

/* ── 제목 안의 아이콘 ───────────────────────────────────────────────────
   width/height 속성이 없는 인라인 SVG는 컨테이너를 꽉 채운다.
   실제로 서울 페이지에서 479x479짜리 검은 아이콘이 되어 있었다.
   아래는 그 교정이자, 같은 실수가 다시 나오지 않게 하는 안전망이다. */
.info-card h3, .caption-title { display: flex; align-items: center; gap: 8px; }
.info-card h3 svg, .caption-title svg, .sheet-title svg, .info-header svg,
.control-group > label svg {
  width: 17px; height: 17px; flex-shrink: 0; color: var(--accent);
}
.controls-wrapper svg:not([width]):not(.geo-seal),
.info-card svg:not([width]),
.layout-wrapper h3 svg:not([width]) { width: 17px; height: 17px; }

/* 카드 묶음 — 수치 타일로도, 설명 글 카드로도 쓰인다 */
.info-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.info-card { padding: 16px 18px; }
.info-card .k { font-size: 10px; font-weight: 600; letter-spacing: var(--track-wide);
                text-transform: uppercase; color: var(--st-label-3); }
.info-card .v { margin-top: 5px; font-size: 1.35rem; font-weight: 700; letter-spacing: -0.025em;
                color: var(--st-label); font-variant-numeric: tabular-nums; }
/* 글이 든 카드 */
.info-card h3 { font-size: 15px; font-weight: 700; letter-spacing: -0.02em;
                color: var(--st-label); margin-bottom: 8px; }
.info-card p, .info-card li { font-size: 13px; line-height: 1.75; color: var(--st-label-2);
                              letter-spacing: var(--track-ko); }
.info-card ul, .info-card ol { margin: 6px 0 0; padding-left: 1.15em; }
.info-card li { padding: 2px 0; }
.info-card li::marker { color: var(--st-label-4); }
.info-card b, .info-card strong { color: var(--st-label); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .segment-highlight { transition: none; }
}