:root {
  --bg: #0b1020;
  --card: #121a33;
  --text: #e8ecff;
  --muted: #a8b1d6;
  --accent: #6aa3ff;
  --border: rgba(255, 255, 255, 0.10);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  letter-spacing: 0.2px;
}

/* Ensure HTML 'hidden' always wins over author CSS. */
[hidden] {
  display: none !important;
}

/* Keep layout stable when scrollbars appear/disappear. */
html {
  scrollbar-gutter: stable;
}

.container {
  max-width: 1100px;
  padding: 28px 16px 60px;
  margin: 0 auto;
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 16px;
}

.main {
  min-width: 0;
}

/* 오른쪽 입력 영역(메인)의 최외곽 카드 바운더리는 제거한다. */
.main > .card {
  border: 0;
  box-shadow: none;
  background: transparent;
}

.topHeader {
  margin-bottom: 14px;
  padding: 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.topHeaderRow {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.topHeaderTitle {
  margin: 0;
}

.topHeaderNav {
  font-size: 14px;
  line-height: 1.4;
}

.topHeader p {
  margin: 0;
}

.sidebarTitle {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.2px;
}

.sidebarSubTitle {
  margin: 6px 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.2px;
}

.settingsTitle {
  margin: 6px 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.2px;
}

.grid2 {
  display: grid;
  gap: 10px;
}

h1 {
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: 0.2px;
}

.card {
  margin-top: 14px;
  padding: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.cardHeaderRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

/* Collapsible cards (sidebar settings) */
.cardCollapsible {
  padding: 16px;
}

.cardCollapsible > summary {
  list-style: none;
}

.cardCollapsible > summary::-webkit-details-marker {
  display: none;
}

.cardSummary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.cardSummaryTitle {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.2px;
}

.cardSummary::after {
  content: '▸';
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  color: var(--muted);
  transform: rotate(0deg);
  transition: transform 120ms ease;
}

details[open].cardCollapsible > .cardSummary::after {
  transform: rotate(90deg);
}

.cardCollapsible > :not(summary) {
  margin-top: 12px;
}

.cardCollapsible > summary:focus-visible {
  outline: 2px solid rgba(106, 163, 255, 0.55);
  outline-offset: 6px;
  border-radius: 10px;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

#settingsFieldset:disabled {
  opacity: 0.6;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

button {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}

/* Files page: make '파일 선택/폴더 선택/대상 디렉토리(절대경로)' the same visual level */
.controlButton,
.controlLabel {
  font-size: 13px;
  font-weight: 700;
}

.controlLabel {
  display: block;
  margin-top: 2px;
}

.controlOption {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}

.controlOption input[type="radio"] {
  margin: 0;
}

button.primary {
  background: rgba(106, 163, 255, 0.22);
  border-color: rgba(106, 163, 255, 0.35);
}

button.danger {
  background: rgba(255, 106, 106, 0.18);
  border-color: rgba(255, 106, 106, 0.35);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

textarea {
  width: 100%;
  margin-top: 10px;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.20);
  color: var(--text);
  resize: vertical;
  outline: none;
}

/* 입력창은 화면 높이에 맞춰 더 넓게 쓸 수 있게 한다. */
#textInput {
  min-height: clamp(288px, 48vh, 656px);
}

textarea:focus {
  border-color: rgba(106, 163, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(106, 163, 255, 0.12);
}

.jobMetrics {
  margin-top: 12px;
  display: grid;
  gap: 6px;
}

.jobLine {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 10px;
  align-items: baseline;
}

.jobLineWide {
  grid-template-columns: 56px 1fr;
}

.jobKey {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.label {
  font-weight: 600;
}

.inline {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
}

/* 사이드바 설정 영역은 카드 바운더리와 겹치지 않게 라벨 테두리를 제거한다. */
.sidebar .inline {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 12px;
}

.inline input {
  width: 72px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
  color: var(--text);
}

/* 파일 Flush: 대상 디렉토리 입력은 카드 끝까지 넓게 사용 */
#targetDir {
  width: 100%;
}

.textField {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.20);
  color: var(--text);
  outline: none;
}

.sidebar .textField {
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 10px;
}

.textField:focus {
  border-color: rgba(106, 163, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(106, 163, 255, 0.12);
}

#pickInput {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
}

.inline select {
  width: 180px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  color-scheme: dark;
}

/* 일부 환경(특히 Windows)에서 option 리스트가 밝게 떠 가독성이 떨어지는 문제를 완화 */
.inline select option {
  background-color: #0b1020;
  color: #e8ecff;
}

.inline select option:checked {
  background-color: rgba(106, 163, 255, 0.35);
  color: #e8ecff;
}

.status {
  margin-top: 12px;
  display: grid;
  gap: 6px;
}

.sidebarDivider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.settingsToast {
  margin-left: auto;
  min-height: 1em;
}

.validityLine {
  margin-top: 6px;
  min-height: 1em;
}

.validityOk {
  color: rgba(137, 240, 194, 0.92);
}

.validityBad {
  color: rgba(255, 154, 154, 0.92);
}

.muted { color: var(--muted); }
.small { font-size: 12px; }

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}