/* ============================================================
   파비콘 생성기 전용 스타일
   (색상·간격·카드 등 공통 토큰은 common.css 재사용)
   - 이 도구의 모티프: 투명 배경을 뜻하는 체커보드(픽셀 격자)
   - 본체는 "개발자 작업대" 톤: 각진 패널, 모노 수치, 코드 블록
   ============================================================ */

:root {
  --fg-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas,
             "Liberation Mono", "Nanum Gothic Coding", monospace;
  /* 투명 미리보기용 체커보드 (테마별로 명도만 조정) */
  --fg-check-bg: #ffffff;
  --fg-check-fg: rgba(0, 0, 0, .10);
}
:root[data-theme="dark"] {
  --fg-check-bg: #26262b;
  --fg-check-fg: rgba(255, 255, 255, .09);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fg-check-bg: #26262b;
    --fg-check-fg: rgba(255, 255, 255, .09);
  }
}

/* ---- 도입부: 픽셀 체커보드 배경 (원고지 격자와 구분되는 이 도구의 얼굴) ---- */
.pixel-grid { position: relative; overflow: hidden; }
.pixel-grid > * { position: relative; }
.pixel-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: conic-gradient(var(--color-grid) 25%, transparent 0 50%,
                                   var(--color-grid) 0 75%, transparent 0);
  background-size: 18px 18px;
  opacity: .3;
  -webkit-mask-image: linear-gradient(115deg, rgba(0,0,0,.55), transparent 58%);
          mask-image: linear-gradient(115deg, rgba(0,0,0,.55), transparent 58%);
  pointer-events: none;
}

.tool-intro {
  padding: var(--space-6) 0 var(--space-5);
  margin-bottom: var(--space-5);
}
.tool-intro h1 {
  margin: 0 0 var(--space-3);
  max-width: 20ch;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -.02em;
}
.lead {
  color: var(--color-text-sub);
  margin: var(--space-2) 0 var(--space-2);
  max-width: 60ch;
  font-size: 1.02rem;
}
.lead-note {
  color: var(--color-text-sub);
  font-size: .85rem;
  opacity: .85;
  margin: 0 0 var(--space-5);
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ============================================================
   작업대: 좌 컨트롤 | 우 미리보기
   ============================================================ */
.fg-bench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 840px) {
  .fg-bench { grid-template-columns: 1fr; }
  .fg-preview { order: -1; }   /* 모바일에선 미리보기를 위로 */
}

.fg-controls,
.fg-preview {
  border-radius: var(--radius-sm);   /* 공통 카드보다 각지게: 작업대 톤 */
  padding: var(--space-4);
}
.fg-controls { display: flex; flex-direction: column; gap: var(--space-4); }

/* ---- 입력 방식 탭 (이미지 | 텍스트 | 이모지) ---- */
.fg-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.fg-tab {
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  padding: 8px 4px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text-sub);
  cursor: pointer;
}
.fg-tab:hover { color: var(--color-text); }
.fg-tab.is-active {
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
}

/* ---- 컨트롤 행 ---- */
.fg-pane { display: flex; flex-direction: column; gap: var(--space-3); }
.fg-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.fg-label {
  flex: none;
  min-width: 3.4em;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text-sub);
}
.fg-sep {
  border: 0;
  border-top: 1px dashed var(--color-border);
  margin: 0;
}
.fg-note { margin: 0; font-size: .8rem; color: var(--color-text-sub); }
.fg-warn { color: var(--color-primary); }

.fg-input, .fg-select {
  font: inherit;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
}
.fg-input:focus, .fg-select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.fg-input { width: 7em; }
.fg-input-emoji { width: 4.5em; font-size: 1.5rem; text-align: center; padding: 2px 8px; }

input[type="color"].fg-color {
  width: 44px;
  height: 32px;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  cursor: pointer;
}
input[type="color"].fg-color:disabled { opacity: .35; cursor: not-allowed; }

input[type="range"].fg-range {
  flex: 1;
  min-width: 120px;
  accent-color: var(--color-primary);
}
.fg-value {
  font-family: var(--fg-mono);
  font-size: .82rem;
  color: var(--color-text);
  min-width: 3em;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---- 선택 칩 (라디오) ---- */
.fg-chips { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.fg-chips .chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border: 1px solid var(--color-border);
  border-radius: 6px;          /* 둥근 알약 대신 각진 칩: 작업대 톤 */
  background: var(--color-surface);
  cursor: pointer;
  font-size: .86rem;
  user-select: none;
}
.fg-chips .chip:hover { border-color: var(--color-primary); }
.fg-chips .chip:has(input:checked) {
  background: var(--color-primary-weak);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}
.fg-chips .chip input { accent-color: var(--color-primary); margin: 0; }

/* ---- 이미지 드롭존 ---- */
.fg-drop {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  cursor: pointer;
}
.fg-drop:hover, .fg-drop:focus-visible { border-color: var(--color-primary); }
.fg-drop:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.fg-drop.is-drag {
  border-color: var(--color-primary);
  background: var(--color-primary-weak);
}
.fg-drop-main { margin: 0 0 6px; font-weight: 600; }
.fg-drop-main u { text-decoration-color: var(--color-primary); text-underline-offset: 3px; }
.fg-drop-sub { margin: 0; font-size: .8rem; color: var(--color-text-sub); }

.fg-filemeta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .84rem;
}
.fg-filename {
  font-family: var(--fg-mono);
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fg-filename em { font-style: normal; color: var(--color-text-sub); }
.fg-btn-sm { padding: 4px 10px; font-size: .82rem; }

/* ---- 이모지 빠른 선택 ---- */
.fg-quick {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 6px;
}
.fg-quick button {
  font-size: 1.35rem;
  line-height: 1;
  padding: 8px 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  cursor: pointer;
}
.fg-quick button:hover { border-color: var(--color-primary); background: var(--color-primary-weak); }

/* ============================================================
   미리보기 패널
   ============================================================ */
.fg-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: sticky;
  top: var(--space-4);
}
@media (max-width: 840px) {
  .fg-preview { position: static; }
}
.fg-pv-title {
  margin: 0;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text-sub);
}

/* 브라우저 탭 목업: 사이트 테마와 무관하게 라이트/다크 둘 다 고정 표시 */
.fg-mockups { display: flex; flex-direction: column; gap: 10px; }
.fg-tabmock-bar {
  display: flex;
  align-items: flex-end;
  padding: 6px 8px 0;
  border-radius: 8px 8px 0 0;
}
.fg-tabmock.is-light .fg-tabmock-bar { background: #dee1e6; }
.fg-tabmock.is-dark  .fg-tabmock-bar { background: #202124; }
.fg-tabmock-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 230px;
  padding: 7px 12px;
  border-radius: 8px 8px 0 0;
  font-size: .78rem;
}
.fg-tabmock.is-light .fg-tabmock-tab { background: #ffffff; color: #3c4043; }
.fg-tabmock.is-dark  .fg-tabmock-tab { background: #35363a; color: #e8eaed; }
.fg-tabmock-tab canvas { width: 16px; height: 16px; flex: none; }
.fg-tabmock-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fg-tabmock-x { margin-left: auto; opacity: .55; }
.fg-mock-label {
  display: block;
  margin-top: 4px;
  font-family: var(--fg-mono);
  font-size: .7rem;
  color: var(--color-text-sub);
}

/* 실제 크기 줄 (16 / 32 / 48) + 큰 미리보기(180) */
.checker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--fg-check-bg);
  background-image: conic-gradient(var(--fg-check-fg) 25%, transparent 0 50%,
                                   var(--fg-check-fg) 0 75%, transparent 0);
  background-size: 12px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}
.fg-sizes { display: flex; align-items: flex-end; gap: var(--space-4); }
.fg-size { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.fg-size .checker { padding: 10px; }
.fg-size-label {
  font-family: var(--fg-mono);
  font-size: .7rem;
  color: var(--color-text-sub);
}
.fg-big { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.fg-big .checker { padding: 14px; }
.fg-big canvas { display: block; width: 180px; height: 180px; }

/* 이미지 모드에서 아직 아무것도 없을 때 */
.fg-preview.is-empty .fg-mockups,
.fg-preview.is-empty .fg-sizes,
.fg-preview.is-empty .fg-big { opacity: .22; }
.fg-empty-note {
  margin: 0;
  font-size: .84rem;
  color: var(--color-text-sub);
}

/* ============================================================
   내려받기 패널
   ============================================================ */
.fg-downloads {
  margin-top: var(--space-4);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.fg-dl-main {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.fg-dl-zip { padding: 10px 22px; font-weight: 700; }
.fg-dl-hint { font-size: .8rem; color: var(--color-text-sub); }
.fg-downloads button:disabled { opacity: .45; cursor: not-allowed; }

.fg-dl-each summary {
  cursor: pointer;
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-text-sub);
}
.fg-dl-each ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: var(--space-3) 0 0;
}
.fg-filelink {
  font-family: var(--fg-mono);
  font-size: .78rem;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}
.fg-filelink:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.fg-filelink em { font-style: normal; opacity: .6; margin-left: 4px; }

/* HTML 스니펫: 테마와 무관하게 늘 어두운 코드 블록 (작업대의 터미널) */
.fg-snippet { display: flex; flex-direction: column; gap: 8px; }
.fg-snippet-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.fg-code {
  margin: 0;
  padding: 14px 16px;
  background: #16181d;
  color: #dde2ea;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: var(--fg-mono);
  font-size: .8rem;
  line-height: 1.75;
  tab-size: 2;
}

/* ---- 설명/FAQ 본문 (다른 도구와 동일 톤) ---- */
.prose { margin-top: var(--space-6); }
.prose h2 { margin-bottom: var(--space-3); }
.prose h3 { margin: var(--space-4) 0 var(--space-2); font-size: 1.05rem; }
.prose p, .prose li { color: var(--color-text); }
.prose em { color: var(--color-primary); font-style: normal; font-weight: 600; }
.prose ol, .prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: var(--space-2); }
.prose code {
  font-family: var(--fg-mono);
  font-size: .86em;
  background: var(--color-primary-weak);
  border-radius: 4px;
  padding: 1px 5px;
}
.prose details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
}
.prose summary { cursor: pointer; font-weight: 600; }
.prose details[open] summary { margin-bottom: var(--space-2); }
.prose details p { margin: 0 0 var(--space-2); color: var(--color-text-sub); }
.prose details p:last-child { margin-bottom: 0; }

@media (max-width: 480px) {
  .fg-sizes { gap: var(--space-3); }
  .fg-big .checker { align-self: center; }
}