/* ── 뷰어 설정 버튼 ──────────────────────────────────────────────────────── */

.viewer-settings-btn {
  position: fixed;
  bottom: 32px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #e4e8f1;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: box-shadow 0.15s;
  color: #555;
}

.viewer-settings-btn:hover {
  box-shadow: 0 4px 18px rgba(0,0,0,0.16);
}

.viewer-settings-btn svg {
  width: 20px;
  height: 20px;
}

/* ── 설정 패널 ───────────────────────────────────────────────────────────── */

.viewer-settings-panel {
  position: fixed;
  bottom: 84px;
  right: 24px;
  width: 260px;
  background: #fff;
  border: 1px solid #e4e8f1;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  padding: 20px;
  z-index: 999;
  display: none;
  flex-direction: column;
  gap: 16px;
  font-family: "42dot Sans", sans-serif;
}

.viewer-settings-panel.open {
  display: flex;
}

.viewer-settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.viewer-settings-label {
  font-size: 14px;
  color: #555;
  font-weight: 500;
}

.viewer-settings-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.viewer-settings-controls button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #e4e8f1;
  background: #f9fafc;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  transition: background 0.1s;
}

.viewer-settings-controls button:hover {
  background: #eef1f7;
}

.viewer-settings-controls .val {
  font-size: 14px;
  color: #333;
  min-width: 24px;
  text-align: center;
}

/* 다크/라이트 토글 */

.viewer-theme-toggle {
  display: flex;
  gap: 8px;
}

.viewer-theme-toggle button {
  flex: 1;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid #e4e8f1;
  background: #f9fafc;
  font-size: 13px;
  cursor: pointer;
  color: #555;
  font-family: "42dot Sans", sans-serif;
  transition: background 0.1s, color 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  white-space: nowrap;
}

.viewer-theme-toggle button.active {
  background: #1a1a1a;
  color: #fff;
  border-color: #1a1a1a;
}

.viewer-theme-toggle button.active.light-btn {
  background: #fff;
  color: #1a1a1a;
  border-color: #1a1a1a;
}

/* ── 다크모드 ────────────────────────────────────────────────────────────── */

body.dark {
  background-color: #1a1a1a;
  color: #d4d4d4;
}

body.dark a {
  color: #d4d4d4;
}

body.dark nav {
  background-color: #1a1a1a;
}

body.dark nav a svg path {
  stroke: #d4d4d4;
  fill: #d4d4d4;
}

body.dark article p,
body.dark article {
  color: #d4d4d4;
}

body.dark .viewer-settings-btn {
  background: #2a2a2a;
  border-color: #3a3a3a;
  color: #d4d4d4;
}

body.dark .viewer-settings-panel {
  background: #2a2a2a;
  border-color: #3a3a3a;
  color: #d4d4d4;
}

body.dark .viewer-settings-label {
  color: #aaa;
}

body.dark .viewer-settings-controls button {
  background: #333;
  border-color: #444;
  color: #d4d4d4;
}

body.dark .viewer-settings-controls .val {
  color: #d4d4d4;
}

body.dark .viewer-theme-toggle button {
  background: #333;
  border-color: #444;
  color: #aaa;
}

body.dark .viewer-theme-toggle button.active {
  background: #d4d4d4;
  color: #1a1a1a;
  border-color: #d4d4d4;
}

body.dark hr {
  background: #333;
}