/* 데스크톱(tkinter + vista 테마) 화면을 그대로 옮겼다.
 * 색은 sprite_studio.py 의 상수를 그대로 쓴다.
 *   BG_DARK #2b2b2b · BG_ROW #3c3f41 · BG_SEL #0d5c73
 *   FG_TEXT #e0e0e0 · FG_DIM #9aa0a6 · ACCENT #00e5ff · SEL #ffd54f
 *   SEC_BG #dfe3e6 · SEC_FG #1f2328 · SEC_MARK #5a6672
 */

:root {
  --panel: #f0f0f0;          /* ttk vista 기본 패널색 */
  --panel-line: #a0a0a0;
  --fg: #000;
  --note: #888;

  --bg-dark: #2b2b2b;
  --bg-row: #3c3f41;
  --bg-sel: #0d5c73;
  --fg-text: #e0e0e0;
  --fg-dim: #9aa0a6;
  --accent: #00e5ff;
  --sel: #ffd54f;

  --sec-bg: #dfe3e6;
  --sec-bg-hover: #cdd4d9;
  --sec-fg: #1f2328;
  --sec-mark: #5a6672;

  --big: #0b7285;
  --big-hover: #0e8fa3;
  --big-off: #9aa0a6;

  --ui: "Malgun Gothic", "맑은 고딕", system-ui, sans-serif;
  --mono: Consolas, "D2Coding", monospace;
}

:root:lang(en) { --ui: "Segoe UI", system-ui, sans-serif; }
:root:lang(ja) { --ui: Meiryo, "Yu Gothic", system-ui, sans-serif; }

* { box-sizing: border-box; }

/* id 선택자로 display 를 준 요소가 많아, hidden 이 밀리지 않게 못을 박아 둔다 */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--panel);
  color: var(--fg);
  font: 12px/1.45 var(--ui);
  overflow: hidden;
}

button, select, input[type=text] {
  font: inherit;
  font-size: 12px;
  color: var(--fg);
  background: #fdfdfd;
  border: 1px solid var(--panel-line);
  border-radius: 3px;
  padding: 3px 8px;
  cursor: pointer;
}
button:hover:not(:disabled) { background: #e5f1fb; border-color: #0078d7; }
button:disabled { color: #a0a0a0; background: #f4f4f4; cursor: default; }
input[type=text] { cursor: text; }
input[type=range] { width: 100%; accent-color: #0078d7; }

/* ------------------------------------------------------------- 로딩 */
#boot {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg-dark);
  color: var(--fg-text);
  z-index: 50;
}
.boot-inner { text-align: center; }
.spin {
  width: 34px; height: 34px;
  margin: 0 auto 16px;
  border: 3px solid #555;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#boot p { margin: 4px 0; }
.boot-sub { color: var(--fg-dim); font-size: 11px; max-width: 34ch; }

/* ------------------------------------------------------------- 전체 틀 */
main {
  display: flex;
  height: 100%;
  padding: 6px;
  gap: 8px;
}

/* ------------------------------------------------------------- 왼쪽 라이브러리 */
#lib {
  width: 208px;
  flex: none;
  display: flex;
  flex-direction: column;
}
.lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.lang-row select { width: 96px; }
#lib h2 { font-size: 13px; font-weight: 700; margin: 0; }
.lib-hint {
  color: #666;
  font-size: 11px;
  margin: 0 0 4px;
}
#lib-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: var(--bg-dark);
  border: 1px solid #555;
  padding: 3px;
}
#lib-empty {
  color: var(--fg-dim);
  text-align: center;
  padding: 20px 0;
  margin: 0;
  font-size: 12px;
}
.sheet-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  background: var(--bg-row);
  padding: 4px;
  margin-bottom: 2px;
  cursor: pointer;
}
.sheet-row.on { background: var(--bg-sel); }
.sheet-row img { width: 64px; height: 64px; flex: none; image-rendering: pixelated; }
.sheet-info { flex: 1; min-width: 0; }
.sheet-name {
  color: var(--fg-text);
  font-weight: 700;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sheet-meta { color: var(--fg-dim); font: 11px var(--mono); }
.sheet-count { color: var(--accent); font: 11px var(--mono); }
.sheet-x {
  color: var(--fg-dim);
  font: 700 15px Arial, sans-serif;
  line-height: 1;
  padding: 0 2px;
  cursor: pointer;
}
.sheet-x:hover { color: #ff5252; }

.lib-btns { margin-top: 6px; display: grid; gap: 2px; }
.lib-btns button { width: 100%; }

/* ------------------------------------------------------------- 가운데 */
#center {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.tabs { display: flex; gap: 2px; }
.tab {
  border-radius: 3px 3px 0 0;
  border-bottom: none;
  background: #f0f0f0;
  padding: 4px 14px;
}
.tab.active { background: #fff; font-weight: 600; }
.tab:disabled { color: #a0a0a0; }
.tab-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--panel-line);
  background: #fff;
  padding: 4px;
}
#title { font-size: 14px; font-weight: 700; padding: 2px 1px; }
#stage {
  flex: 1;
  min-height: 0;
  position: relative;
  margin: 4px 0;
  border: 1px solid #666;
  background: var(--bg-dark);
}
#view { display: block; width: 100%; height: 100%; cursor: default; }
#view.panning { cursor: grabbing; }
#view.eyedropping { cursor: crosshair; }
#drop-hint {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--fg-dim);
  text-align: center;
  pointer-events: none;
}
#stage.over { outline: 2px dashed var(--accent); outline-offset: -6px; }
#status { font-size: 11px; padding: 1px; }

#log {
  height: 92px;
  flex: none;
  margin: 6px 0 0;
  padding: 4px 6px;
  overflow-y: auto;
  background: #1e1e1e;
  color: var(--fg-text);
  font: 11px/1.5 var(--mono);
  white-space: pre-wrap;
  word-break: break-all;
}

/* ------------------------------------------------------------- 오른쪽 */
#right {
  width: 312px;
  flex: none;
  display: flex;
  flex-direction: column;
}
#opts { flex: 1; min-height: 0; overflow-y: auto; }

.sec { margin-bottom: 4px; }
.sec-head {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--sec-bg);
  cursor: pointer;
  padding: 4px 3px;
  user-select: none;
}
.sec-head:hover { background: var(--sec-bg-hover); }
.mark { color: var(--sec-mark); width: 18px; text-align: center; }
.sec-title { flex: 1; color: var(--sec-fg); font-size: 13px; font-weight: 700; }
.sec-act { padding: 2px 10px; }
.sec-body { padding: 6px 10px; }
.sec:not(.open) .sec-body { display: none; }

.note { color: var(--note); font-size: 11px; margin: 0 0 3px; }
.note.atlas { white-space: pre-line; }
.row { display: flex; align-items: center; gap: 4px; margin: 4px 0; }
.row.two { justify-content: space-between; }
.row.two button { flex: 1; }
.cb { display: flex; align-items: center; gap: 5px; margin: 2px 0; cursor: pointer; }
.cb input { margin: 0; }
.wide { width: 100%; margin-top: 6px; }

.slider { display: flex; align-items: center; gap: 6px; margin: 2px 0; }
.sl-lbl { width: 132px; flex: none; font-size: 11px; }
.slider input { flex: 1; }

.bg-row { margin: 6px 0 2px; }
#swatch {
  width: 22px; height: 16px;
  border: 1px solid #808080;
  background: #fff;
  display: inline-block;
}
.prefix-row { justify-content: space-between; }
.prefix-row input { width: 150px; }

/* 내보내기 영역 — 데스크톱의 오른쪽 아래 고정 칸 */
#export { flex: none; padding-top: 6px; }
#export-hint {
  color: #555;
  font-size: 11px;
  margin: 0 0 3px;
  white-space: pre-line;
  min-height: 2.6em;
}
#big {
  width: 100%;
  padding: 14px 8px;
  border: none;
  border-radius: 0;
  background: var(--big);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
}
#big:hover:not(:disabled) { background: var(--big-hover); }
#big:disabled { background: var(--big-off); color: #e8e8e8; }
#sub { width: 100%; margin-top: 4px; }

/* ------------------------------------------------------------- 알림 */
#toast {
  position: fixed;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  background: #1e1e1e;
  color: var(--fg-text);
  border: 1px solid #555;
  border-radius: 4px;
  padding: 8px 16px;
  z-index: 60;
}
#toast.err { border-color: #ff5252; color: #ff8a80; }

/* ------------------------------------------------------------- 좁은 화면 */
@media (max-width: 900px) {
  main { flex-direction: column; overflow-y: auto; }
  #lib, #right { width: auto; }
  #lib-list { min-height: 120px; max-height: 220px; }
  #center { min-height: 60vh; }
  #opts { overflow: visible; }
}

/* ------------------------------------------------------------- 2번 탭 */
#ltitle { font-size: 14px; font-weight: 700; padding: 2px 1px; }
#lstage {
  flex: 1;
  min-height: 0;
  position: relative;
  margin: 4px 0;
  border: 1px solid #666;
  background: var(--bg-dark);
}
#lview { display: block; width: 100%; height: 100%; cursor: default; }
#lview.dragging { cursor: move; }
#lview.panning { cursor: grabbing; }
#lhint {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #bbb;
  text-align: center;
  line-height: 1.8;
  pointer-events: none;
}
#lstage.over { outline: 2px dashed var(--accent); outline-offset: -6px; }
#lstatus { font-size: 11px; padding: 1px; }

.pool-count { color: #0a6; font-weight: 700; font-size: 12px; margin: 0 0 4px; }
.note.inline { margin: 0; }
label.nw { width: 74px; flex: none; font-size: 12px; }
#opts2 input[type=text], #opts2 input[type=number] { width: 68px; }
.sheet-row[draggable] { user-select: none; }
.tab.drop-on { background: var(--accent); color: #10242a; }