/* 설정 패널 (F10). PC: 오른쪽 위 접이식 / 모바일(< 700px): 아래 시트 */
#ui { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
#ui > * { pointer-events: auto; }
.panel-toggle { position: absolute; right: 16px; top: 16px; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--panel); color: var(--ink); font-size: 19px; cursor: pointer; }
.panel { position: absolute; right: 16px; top: 64px; width: 300px; max-height: calc(100vh - 88px); display: none; flex-direction: column; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(6px); box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35); overflow: hidden; }
#ui.open .panel { display: flex; }
.sheet-handle { display: none; }
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.tabs button { padding: 9px 4px; background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; border-bottom: 2px solid transparent; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.panel-body { padding: 10px 12px; overflow-y: auto; display: grid; gap: 8px; }
.panel-foot { padding: 8px 12px 12px; border-top: 1px solid var(--line); display: grid; gap: 6px; }
.row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; }
.row.col { grid-template-columns: 1fr; gap: 4px; }
.row.range { grid-template-columns: 1fr; grid-template-areas: "lab out" "inp inp"; }
.row.range .lab { grid-area: lab; }
.row.range output { grid-area: out; justify-self: end; color: var(--muted); font-variant-numeric: tabular-nums; }
.row.range input { grid-area: inp; width: 100%; accent-color: var(--accent); }
.row.range { grid-template-columns: 1fr auto; }
.lab { color: var(--ink); font-size: 13px; }
.lab.small { color: var(--muted); font-size: 12px; }
.panel button { font: inherit; font-size: 12.5px; color: var(--ink); background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-radius: 7px; padding: 5px 9px; cursor: pointer; }
.panel button:disabled { opacity: 0.4; cursor: default; }
.panel button.ghost { background: none; }
.panel button.accent { border-color: var(--accent); color: var(--accent); }
.panel button.danger { color: #ff9b8f; }
.tog[aria-checked="true"] { border-color: var(--accent); color: var(--accent); }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; }
.seg button[aria-checked="true"] { border-color: var(--accent); color: var(--accent); background: rgba(240, 163, 90, 0.1); }
.status { color: var(--muted); font-size: 12px; min-height: 1.2em; }
.note { margin: 0; color: var(--muted); font-size: 11.5px; line-height: 1.45; }
.adv summary { cursor: pointer; color: var(--muted); padding: 4px 0; }
.adv[open] { display: grid; gap: 8px; }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.slot { display: grid; gap: 3px; }
.actions, .presets, .resets { display: flex; flex-wrap: wrap; gap: 5px; }
body.ui-hidden #ui, body.ui-hidden #restLabel, body.ui-hidden #toast { display: none !important; }
#uiHint { position: fixed; right: 16px; bottom: 16px; min-height: 40px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: inherit; font-size: 13px; cursor: pointer; display: none; z-index: 20; }
body.ui-hidden #uiHint { display: block; }

/* 키보드 포커스 표시 (PUB-02) — 마우스 클릭에는 표시 안 함 */
#ui button:focus-visible, #ui summary:focus-visible, #ui input:focus-visible, #uiHint:focus-visible, .help h2:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.help h2:focus:not(:focus-visible) { outline: none; }

/* 오른쪽 위 바로가기: 도움말 · 촬영 (설정 ⚙ 왼쪽) */
.hud { position: absolute; right: 64px; top: 16px; display: flex; gap: 8px; }
.hud-btn { height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); font: inherit; font-size: 13.5px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.hud-btn.round { width: 40px; padding: 0; justify-content: center; font-size: 17px; font-weight: 600; }
.hud-btn[aria-expanded="true"] { border-color: var(--accent); color: var(--accent); }
.hud-btn .ico { font-size: 15px; }
.hud-btn[hidden] { display: none; }

/* 조작 안내 카드: 장면을 크게 가리지 않게 왼쪽 아래 작게 */
.help { position: absolute; left: 16px; bottom: 16px; width: min(320px, calc(100vw - 32px)); box-sizing: border-box; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(6px); box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35); font-size: 13px; }
.help[hidden] { display: none; }
.help h2 { margin: 0 0 6px; font-size: 14px; font-weight: 600; color: var(--accent); }
.help ul { margin: 0; padding-left: 18px; }
.help-quick li { margin: 2px 0; }
.help-more { margin-top: 6px; color: var(--muted); font-size: 12.5px; }
.help-more summary { cursor: pointer; padding: 3px 0; }
.help-more li { margin: 2px 0; }
.help-credit { margin: 8px 0 0; font-size: 11.5px; color: var(--muted); opacity: 0.85; }
.help-close { margin-top: 8px; width: 100%; min-height: 36px; font: inherit; font-size: 13px; color: #1d1208; background: var(--accent); border: 0; border-radius: 8px; cursor: pointer; }

/* 촬영 막대: 촬영 모드에서만, 화면 위 가운데 */
.photobar { position: absolute; left: 50%; top: 16px; transform: translateX(-50%); display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; max-width: calc(100vw - 260px); padding: 6px 8px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(6px); }
.photobar[hidden] { display: none; }
.photobar-title { padding: 0 6px; color: var(--accent); font-size: 12.5px; font-weight: 600; }
.photobar button { min-height: 34px; font: inherit; font-size: 13px; color: var(--ink); background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-radius: 8px; padding: 4px 11px; cursor: pointer; }
.photobar button.accent { border-color: var(--accent); color: #1d1208; background: var(--accent); font-weight: 600; }
.photobar button.ghost { background: none; }
.photobar button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.photobar button:disabled { opacity: 0.5; cursor: progress; }

@media (max-width: 700px) {
  .panel-toggle { display: none; }
  .panel { display: flex; left: 0; right: 0; top: auto; bottom: 0; width: auto; max-height: none; border-radius: 14px 14px 0 0; transition: height 0.2s ease; }
  #ui[data-sheet="collapsed"] .panel { height: 92px; }
  #ui[data-sheet="half"] .panel { height: 50vh; }
  #ui[data-sheet="full"] .panel { height: 85vh; }
  .sheet-handle { display: block; height: 22px; background: none !important; border: 0 !important; padding: 0 !important; }
  .sheet-handle span { display: block; width: 40px; height: 4px; margin: 0 auto; border-radius: 2px; background: rgba(255, 255, 255, 0.3); }
  #ui[data-sheet="collapsed"] .panel-body, #ui[data-sheet="collapsed"] .panel-foot { display: none; }
  .panel { overflow-y: auto; overscroll-behavior: contain; }
  .panel-body { overflow: visible; }
  .tabs { position: sticky; top: 0; background: var(--panel); z-index: 1; }
  .tabs button { min-height: 40px; }
  .panel button { min-height: 36px; }
  .hud { right: 12px; top: 12px; }
  .help { left: 12px; right: 12px; top: 64px; bottom: auto; width: auto; }
  .photobar { left: 12px; right: 12px; top: 62px; transform: none; max-width: none; }
  .photobar button { min-height: 40px; }
  .photobar-title { width: 100%; text-align: center; }
}

/* 높이가 낮은 화면(모바일 가로 등): 프리셋·초기화 줄이 본문을 밀어내지 않게 패널 전체를 스크롤 (CP-06) */
@media (max-height: 520px) and (min-width: 701px) {
  .panel { overflow-y: auto; overscroll-behavior: contain; }
  .panel-body { overflow: visible; }
  .tabs { position: sticky; top: 0; background: var(--panel); z-index: 1; }
}