/* 미션 2 — 병렬 터미널 좌/우 분할 */

.parallel-terminals {
  display: flex;
  gap: 16px;
  height: 100%;
  width: 100%;
  max-width: 1000px;
}

.parallel-sub {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.parallel-sub-label {
  color: var(--term-fg-mute);
  font-family: var(--font-mono);
  font-size: 12px;
  padding-bottom: 6px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--term-bg-soft);
}

.parallel-sub-terminal {
  flex: 1 1 auto;
  min-height: 0;
}

.parallel-sub-terminal .term-window {
  max-width: none;
  height: 100%;
}

/* 모바일/좁은 화면에서는 세로 스택 (layout.css 모바일 분기와 일관) */
@media (max-width: 900px) {
  .parallel-terminals {
    flex-direction: column;
    gap: 24px;
  }
}

/* ───────────────────────────── 미션 4 — 오토컴팩트 ─ */

.autocompact-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  width: 100%;
  max-width: 1000px;
}

.autocompact-gauge {
  flex: 0 0 auto;
  padding: 10px 14px 12px;
  background: var(--term-bg);
  border: 1px solid var(--term-bg-soft);
  color: var(--term-fg);
  font-family: var(--font-mono);
}

.autocompact-gauge-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.autocompact-gauge-label {
  color: var(--term-fg-mute);
  text-transform: uppercase;
}

.autocompact-gauge-meta {
  color: var(--term-dim);
}

.autocompact-gauge-track {
  position: relative;
  width: 100%;
  height: 10px;
  background: var(--term-bg-soft);
  overflow: hidden;
}

.autocompact-gauge-bar {
  height: 100%;
  width: 0%;
  background: var(--color-action);
  transition: background-color 0.3s ease;
}

.autocompact-gauge.tier-safe .autocompact-gauge-bar {
  background: #6ec07a;
}

.autocompact-gauge.tier-warn .autocompact-gauge-bar {
  background: var(--term-system);
}

.autocompact-gauge.tier-danger .autocompact-gauge-bar {
  background: var(--term-error);
}

.autocompact-gauge-numeric {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-top: 6px;
}

.autocompact-gauge-percent {
  color: var(--term-fg);
  font-weight: 600;
}

.autocompact-gauge-tokens {
  color: var(--term-dim);
}

.autocompact-terminal {
  flex: 1 1 auto;
  min-height: 0;
}

.autocompact-terminal .term-window {
  max-width: none;
  height: 100%;
}

/* Disclaimer modal — 시뮬레이션 안내 (오정보 방지) */

.disclaimer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 34, 56, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.18s ease;
  pointer-events: none;
}

.disclaimer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .disclaimer-overlay {
    transition: none;
  }
}

.disclaimer-card {
  background: var(--color-bg);
  color: var(--color-text);
  max-width: 540px;
  width: 100%;
  padding: 28px 28px 24px;
  border-top: 3px solid var(--color-action);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  font-family: var(--font-sans);
}

.disclaimer-tag {
  display: inline-block;
  color: var(--color-action);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.disclaimer-title {
  margin: 0 0 12px;
  font-size: 22px;
  color: var(--color-navy);
}

.disclaimer-body {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

.disclaimer-bullets {
  margin: 0 0 20px;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-mute);
}

.disclaimer-bullets li {
  margin-bottom: 6px;
}

.disclaimer-actions {
  display: flex;
  justify-content: flex-end;
}

.btn-disclaimer-dismiss {
  /* btn-primary 토큰 그대로 사용 */
}

@media (max-width: 900px) {
  .autocompact-wrapper {
    max-width: none;
  }
}

/* ───────────────────────────── 미션 5 — IDE 모형 ─ */

/* Desktop stage (사전) */

.ide-mock-desktop {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 30% 25%, rgba(74, 144, 226, 0.22), transparent 60%),
    linear-gradient(160deg, #102036 0%, #0a1626 100%);
  border: 1px solid var(--term-bg-soft);
  overflow: hidden;
  color: var(--term-fg);
  font-family: var(--font-sans);
  transition: opacity 0.18s ease;
}

.ide-mock-desktop.ide-mock-fading-out {
  opacity: 0;
}

.ide-mock-desktop-watermark {
  position: absolute;
  top: 14px;
  right: 16px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(232, 232, 232, 0.55);
  background: rgba(15, 26, 40, 0.4);
  border: 1px solid rgba(184, 195, 209, 0.18);
  pointer-events: none;
}

.ide-mock-desktop-grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, 110px);
  grid-auto-rows: 110px;
  gap: 8px 12px;
  padding: 28px 24px;
  align-content: start;
  overflow: auto;
}

.ide-mock-desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  padding: 6px 4px 4px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--term-fg);
  cursor: pointer;
  font: inherit;
  text-align: center;
  user-select: none;
}

.ide-mock-desktop-icon:hover {
  background: rgba(74, 144, 226, 0.10);
  border-color: rgba(74, 144, 226, 0.18);
}

.ide-mock-desktop-icon:focus {
  outline: none;
  background: rgba(74, 144, 226, 0.16);
  border-color: rgba(74, 144, 226, 0.32);
}

.ide-mock-desktop-icon.is-selected {
  background: rgba(74, 144, 226, 0.22);
  border-color: rgba(74, 144, 226, 0.48);
}

.ide-mock-desktop-icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  color: var(--term-fg);
}

.ide-mock-desktop-icon.kind-app-ide .ide-mock-desktop-icon-tile {
  color: #9cc4ff;
}

.ide-mock-desktop-icon-label {
  font-size: 12px;
  color: var(--term-fg);
  line-height: 1.3;
  max-width: 96px;
  word-break: keep-all;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.ide-mock-desktop-icon-sublabel {
  font-size: 10px;
  color: var(--term-dim);
  line-height: 1.2;
}

/* Taskbar */
.ide-mock-taskbar {
  flex: 0 0 36px;
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 0 8px;
  background: rgba(8, 14, 24, 0.85);
  backdrop-filter: blur(2px);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--term-fg-mute);
  font-size: 12px;
  cursor: default;
}

.ide-mock-taskbar-start {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  background: transparent;
  border: 0;
  color: var(--term-fg);
  font: inherit;
  cursor: pointer;
}

.ide-mock-taskbar-start:hover {
  background: rgba(74, 144, 226, 0.18);
}

.ide-mock-taskbar-start-glyph {
  font-size: 16px;
  color: var(--color-action);
}

.ide-mock-taskbar-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  margin: 4px 0;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  color: var(--term-dim);
  min-width: 200px;
}

.ide-mock-taskbar-search-icon {
  font-size: 12px;
}

.ide-mock-taskbar-search-text {
  font-size: 11px;
}

.ide-mock-taskbar-spacer {
  flex: 1 1 auto;
}

.ide-mock-taskbar-tray {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
  font-size: 11px;
}

.ide-mock-taskbar-locale {
  color: var(--term-fg-mute);
  padding: 2px 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ide-mock-taskbar-clock {
  color: var(--term-fg);
}

.ide-mock-desktop-toast {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 8px 14px;
  background: rgba(15, 26, 40, 0.95);
  color: var(--term-fg);
  font-family: var(--font-sans);
  font-size: 12px;
  border: 1px solid var(--color-action);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  max-width: 70%;
  text-align: center;
  z-index: 10;
}

.ide-mock-desktop-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ide-mock-shell {
  position: relative;
  display: grid;
  grid-template-rows: 30px 1fr 24px;
  height: 100%;
  width: 100%;
  max-width: 1200px;
  background: #1a2638;
  color: var(--term-fg);
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--term-bg-soft);
  overflow: hidden;
}

.ide-mock-shell.ide-mock-fading-in {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.32s ease, transform 0.32s ease;
}

.ide-mock-shell.ide-mock-fading-in.ide-mock-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Titlebar */
.ide-mock-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  background: #0f1a28;
  border-bottom: 1px solid #0a1320;
  color: var(--term-fg-mute);
  font-size: 11px;
  user-select: none;
}

.ide-mock-titlebar-dots {
  display: flex;
  gap: 6px;
}

.ide-mock-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #43526a;
}

.ide-mock-dot-r { background: #ed6a5e; }
.ide-mock-dot-y { background: #f5bf4f; }
.ide-mock-dot-g { background: #61c454; }

.ide-mock-titlebar-text {
  flex: 0 0 auto;
  color: var(--term-fg);
}

.ide-mock-titlebar-meta {
  flex: 1 1 auto;
  text-align: center;
  color: var(--term-dim);
  font-size: 11px;
}

/* Main area: activity bar + explorer + center */
.ide-mock-main {
  display: grid;
  grid-template-columns: 48px 220px 1fr;
  min-height: 0;
  overflow: hidden;
}

/* Activity bar */
.ide-mock-activity-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 0;
  gap: 4px;
  background: #14202f;
  border-right: 1px solid #0a1320;
  color: var(--term-fg-mute);
}

.ide-mock-activity-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  opacity: 0.6;
  position: relative;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.ide-mock-activity-btn:hover {
  opacity: 1;
}

.ide-mock-activity-btn.is-active {
  opacity: 1;
  color: var(--term-fg);
}

.ide-mock-activity-btn.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-action);
}

/* Explorer */
.ide-mock-explorer {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #182434;
  border-right: 1px solid #0a1320;
  overflow: hidden;
}

.ide-mock-explorer-header {
  padding: 8px 12px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--term-fg-mute);
}

.ide-mock-explorer-workspace {
  padding: 4px 12px 6px;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--term-dim);
  border-bottom: 1px solid #0a1320;
}

.ide-mock-filetree {
  list-style: none;
  margin: 0;
  padding: 4px 0;
  overflow-y: auto;
  flex: 1 1 auto;
}

.ide-mock-filetree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  cursor: pointer;
  color: var(--term-fg-mute);
  font-size: 12px;
  user-select: none;
  position: relative;
}

.ide-mock-filetree-item:hover {
  background: rgba(74, 144, 226, 0.08);
  color: var(--term-fg);
}

.ide-mock-filetree-item:focus {
  outline: 1px solid var(--color-action);
  outline-offset: -1px;
}

.ide-mock-filetree-item.is-active {
  background: rgba(74, 144, 226, 0.18);
  color: var(--term-fg);
}

.ide-mock-filetree-item.is-locked {
  color: var(--term-dim);
  cursor: help;
}

.ide-mock-filetree-item.is-modified {
  color: var(--term-system);
}

.ide-mock-filetree-icon {
  display: inline-flex;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  color: currentColor;
  opacity: 0.85;
}

.ide-mock-filetree-name {
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ide-mock-filetree-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--term-system);
}

/* Center column: tabs + editor + terminal */
.ide-mock-center {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: #1a2638;
}

.ide-mock-tabbar {
  flex: 0 0 30px;
  display: flex;
  align-items: stretch;
  background: #14202f;
  border-bottom: 1px solid #0a1320;
  overflow-x: auto;
}

.ide-mock-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  font-size: 12px;
  color: var(--term-fg-mute);
  border-right: 1px solid #0a1320;
  cursor: default;
}

.ide-mock-tab.is-active {
  background: #1a2638;
  color: var(--term-fg);
  border-top: 1px solid var(--color-action);
}

.ide-mock-tab-close {
  opacity: 0.5;
  font-size: 14px;
  line-height: 1;
}

/* Editor area */
.ide-mock-editor {
  flex: 1 1 60%;
  min-height: 0;
  overflow: auto;
  background: #1a2638;
}

.ide-mock-editor-empty {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: var(--term-dim);
}

.ide-mock-editor-empty-title {
  font-size: 14px;
  color: var(--term-fg-mute);
  margin-bottom: 6px;
}

.ide-mock-editor-empty-body {
  font-size: 12px;
  max-width: 320px;
  line-height: 1.5;
}

.ide-mock-editor-doc {
  display: flex;
  align-items: stretch;
  min-height: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
}

.ide-mock-editor-gutter {
  flex: 0 0 48px;
  padding: 10px 8px 10px 0;
  text-align: right;
  color: var(--term-dim);
  user-select: none;
  border-right: 1px solid #0a1320;
  background: #16202e;
}

.ide-mock-editor-line-num {
  font-size: 11px;
  opacity: 0.7;
}

.ide-mock-editor-content {
  flex: 1 1 auto;
  padding: 10px 14px;
  color: var(--term-fg);
  white-space: pre;
  overflow-x: auto;
  min-width: 0;
}

.ide-mock-editor-line {
  min-height: 1em;
}

.ide-mock-editor-doc[data-lang="markdown"] .ide-mock-editor-line {
  color: #d6e0ec;
}

.ide-mock-editor-doc[data-lang="csv"] .ide-mock-editor-content,
.ide-mock-editor-doc[data-lang="bibtex"] .ide-mock-editor-content {
  color: #c8d4e0;
}

/* Integrated terminal pane */
.ide-mock-terminal-pane {
  flex: 0 0 38%;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  border-top: 1px solid #0a1320;
  background: var(--term-bg);
}

.ide-mock-terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 12px;
  background: #14202f;
  border-bottom: 1px solid #0a1320;
  color: var(--term-fg-mute);
  font-size: 11px;
}

.ide-mock-terminal-tab {
  font-weight: 600;
  color: var(--term-fg);
}

.ide-mock-terminal-meta {
  color: var(--term-dim);
}

.ide-mock-terminal-root {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.ide-mock-terminal-root .term-window {
  max-width: none;
  height: 100%;
  border: 0;
}

/* Status bar */
.ide-mock-statusbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  background: var(--color-action);
  color: #f4f8fd;
  font-size: 11px;
  user-select: none;
}

.ide-mock-statusbar-spacer {
  flex: 1 1 auto;
}

.ide-mock-statusbar-path {
  opacity: 0.85;
}

.ide-mock-statusbar-esc {
  opacity: 0.85;
  font-weight: 600;
}

/* Watermark — 항시 표시 (오정보 방지) */
.ide-mock-watermark {
  position: absolute;
  right: 16px;
  bottom: 36px;
  padding: 4px 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(232, 232, 232, 0.55);
  background: rgba(15, 26, 40, 0.35);
  border: 1px solid rgba(184, 195, 209, 0.18);
  pointer-events: none;
  user-select: none;
}

/* Toast */
.ide-mock-toast {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 8px 14px;
  background: rgba(15, 26, 40, 0.95);
  color: var(--term-fg);
  font-family: var(--font-sans);
  font-size: 12px;
  border: 1px solid var(--color-action);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  max-width: 60%;
  text-align: center;
  z-index: 10;
}

.ide-mock-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .ide-mock-desktop,
  .ide-mock-desktop.ide-mock-fading-out,
  .ide-mock-shell.ide-mock-fading-in,
  .ide-mock-shell.ide-mock-fading-in.ide-mock-visible,
  .ide-mock-toast,
  .ide-mock-toast.is-visible,
  .ide-mock-desktop-toast,
  .ide-mock-desktop-toast.is-visible {
    transition: none;
    transform: none;
  }
}

@media (max-width: 900px) {
  .ide-mock-desktop,
  .ide-mock-shell {
    max-width: none;
  }
  .ide-mock-main {
    grid-template-columns: 44px 180px 1fr;
  }
  .ide-mock-watermark {
    right: 8px;
    bottom: 30px;
    font-size: 10px;
  }
  .ide-mock-statusbar-esc {
    display: none;
  }
  .ide-mock-desktop-grid {
    grid-template-columns: repeat(auto-fill, 96px);
    grid-auto-rows: 96px;
    padding: 20px 16px;
  }
}

@media (max-width: 640px) {
  .ide-mock-main {
    grid-template-columns: 40px 1fr;
  }
  .ide-mock-explorer {
    display: none;
  }
  .ide-mock-terminal-pane {
    flex: 0 0 45%;
  }
  .ide-mock-taskbar-search {
    display: none;
  }
}