/*
 * 24-cobot-v2.css
 * 08섹션 Cobot 프로젝트 — Lv.5 4step v2 전용 스타일
 *
 * structure:
 *   .cp-v2 (root)
 *   ├ .cp-v2-mission        — page mission (planning tab에만)
 *   ├ .cp-v2-stepper        — 서브 스텝퍼 (기·win 또는 전·결)
 *   └ .cp-v2-stage-body     — 활성 step 본문
 *      └ .cp-v2-stage-1/2/3 — stepStars UI
 */

/* ── v2 page에서 부모 tab(구상/코딩) 영구 hidden ──────
 * inline style다 강한 장 — :has() 셀렉터로 v2 컨테이너 존재 시 자동 적용.
 */
body:has(.cp-v2) .tabs-container,
body:has(.cp-v2) > .tabs-container,
html:has(.cp-v2) .tabs-container,
body:has(.cp-v2) .tab {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  overflow: hidden !important;
}

/* ── 루트 + Theme 토큰 ─────────────────────────────
 * memory 의미 색상(stack/heap/stack프레임)은 두 Theme 모두에서 동일한
 * "learning적 의미"를 유지해야 하므로 hue는 같게 두고 명도만 살짝 조정.
 *   - dark default: 면이 어두우니 텍스트는 밝은 톤
 *   - light:    background이 밝으니 텍스트는 채도 있는 어두운 톤
 */
.cp-v2 {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 2px;

  /* memory 의미 색 (다크 default) */
  --v2-stack-fg:  #7DD3FC;   /* stack — 하늘파랑(밝게) */
  --v2-stack-bg:  rgba(56, 189, 248, 0.18);
  --v2-heap-fg:   #C4B5FD;   /* heap — 라일락 */
  --v2-heap-bg:   rgba(139, 92, 246, 0.20);
  --v2-frame-fg:  #FCD34D;   /* stack프레임 — 호박 */
  --v2-frame-bg:  rgba(245, 158, 11, 0.20);

  /* 너스 색 (다크 default) */
  --v2-bonus-fg:  #FCD34D;
  --v2-bonus-bg:  rgba(245, 158, 11, 0.22);
}
[data-theme="light"] .cp-v2 {
  --v2-stack-fg:  #0369A1;   /* 깊은 파랑 */
  --v2-stack-bg:  rgba(56, 189, 248, 0.16);
  --v2-heap-fg:   #6D28D9;   /* 깊은 라 */
  --v2-heap-bg:   rgba(139, 92, 246, 0.14);
  --v2-frame-fg:  #92400E;   /* 진한 갈색·주황 */
  --v2-frame-bg:  rgba(245, 158, 11, 0.18);

  --v2-bonus-fg:  #92400E;
  --v2-bonus-bg:  rgba(245, 158, 11, 0.18);
}

.cp-v2-mission {
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-brand) 14%, transparent), transparent);
  border: 1px solid color-mix(in srgb, var(--color-brand) 22%, var(--color-border-main));
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cp-v2-mission-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-brand);
  letter-spacing: 0.3px;
}
.cp-v2-mission-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* ── 서브 스텝퍼 ──────────────────────────────────── */
.cp-v2-stepper {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--color-text-primary) 4%, transparent);
  border: 1px solid var(--color-border-main);
  border-radius: 999px;
  width: 100%;
  box-sizing: border-box;
  justify-content: center;
  flex-wrap: wrap;
}
.cp-v2-step {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: none;
  background: transparent;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.cp-v2-step:hover { background: color-mix(in srgb, var(--color-brand) 12%, transparent); color: var(--color-text-primary); }
.cp-v2-step.is-active {
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 1px 3px rgba(34, 211, 238, 0.35);
}
.cp-v2-step-icon { font-size: 14px; }
.cp-v2-step-sep { color: var(--color-text-tertiary); font-size: 12px; user-select: none; }

/* ── step 본문 common ──────────────────────────────── */
.cp-v2-stage-body { display: block; }
.cp-v2-stage-body[hidden] { display: none; }

.cp-v2-stage {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-main);
  border-radius: 12px;
}

.cp-v2-stage-mission {
  font-size: 14px;
  color: var(--color-text-primary);
  line-height: 1.6;
  padding: 10px 12px;
  border-left: 3px solid var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 6%, transparent);
  border-radius: 0 8px 8px 0;
}

.cp-stage3-run-btn {
  margin-left: auto;
  margin-right: 14px;
  min-width: 76px;
  height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--color-brand);
  background: var(--color-brand);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(34, 211, 238, 0.24);
}

.cp-stage3-run-btn:hover:not(:disabled) {
  filter: brightness(1.08);
}

.cp-stage3-run-btn:disabled {
  opacity: 0.7;
  cursor: progress;
}

.cp-stage3-run-btn.is-running {
  background: color-mix(in srgb, var(--color-brand) 72%, #0f172a);
}

.cp-v2-stage-3 .cp-code-editor {
  position: relative;
}

.cp-v2-stage-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cp-v2-btn {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--color-border-main);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  transition: background 0.15s ease, transform 0.1s ease;
}
.cp-v2-btn:hover { background: color-mix(in srgb, var(--color-brand) 10%, var(--color-bg-card)); }
.cp-v2-btn:active { transform: translateY(1px); }
.cp-v2-btn--primary {
  background: var(--color-brand);
  color: #fff;
  border-color: var(--color-brand);
}
.cp-v2-btn--primary:hover { filter: brightness(1.08); }
.cp-v2-btn--ghost { background: transparent; }

.cp-v2-stage-result {
  flex: 1;
  text-align: right;
  font-size: 13px;
  color: var(--color-text-secondary);
}
.cp-v2-stage-result.is-ok  { color: var(--color-success, #22c55e); font-weight: 600; }
.cp-v2-stage-result.is-bad { color: var(--color-warning, #f59e0b); font-weight: 600; }

/* ── 너스 티저 ─────────────────────────────────── */
.cp-v2-bonus-teaser {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--v2-bonus-bg), transparent);
  border: 1px dashed color-mix(in srgb, var(--v2-bonus-fg) 38%, var(--color-border-main));
  margin-top: 6px;
}
.cp-v2-bonus-icon { font-size: 24px; }
.cp-v2-bonus-text { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.cp-v2-bonus-text strong { font-size: 13px; color: var(--color-text-primary); }
.cp-v2-bonus-text small { font-size: 11px; color: var(--color-text-secondary); line-height: 1.5; }
.cp-v2-bonus-langs { font-style: italic; }
.cp-v2-bonus-status {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--v2-bonus-bg);
  color: var(--v2-bonus-fg);
  font-weight: 600;
  white-space: nowrap;
}

/* ═════════════════════════════════════════════════
 * 3step v2 UI
 *  · 1step — structure 항목 card
 *  · 2step — 레고 컨테이너 + 코드 조각
 *  · 3step — 기존 cp-code-view 재활용 + 신규 항목용 stub
 * ═════════════════════════════════════════════════ */

/* ── 1step: structure 항목 card ──────────────────────── */
.cp-v2-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.cp-v2-item-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--color-border-main);
  border-radius: 12px;
  background: var(--color-bg-card);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.cp-v2-item-card:hover {
  border-color: var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 6%, var(--color-bg-card));
}
.cp-v2-item-card.is-visited {
  border-color: var(--color-success, #34D399);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-success, #34D399) 22%, transparent);
}
.cp-v2-item-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
}
.cp-v2-item-desc {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.55;
}
.cp-v2-item-check {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-success, #34D399);
  opacity: 0;
  transition: opacity 0.18s ease;
}
.cp-v2-item-card.is-visited .cp-v2-item-check { opacity: 1; }

/* ── 2step: 레고 컨테이너 + 코드 조각 ──────────── */
.cp-v2-lego-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 14px;
}
@media (max-width: 760px) {
  .cp-v2-lego-grid { grid-template-columns: 1fr; }
}

.cp-v2-containers {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cp-v2-container {
  border: 1px solid var(--color-border-main);
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-text-primary) 2%, transparent);
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.cp-v2-container.is-hot {
  border-color: var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 8%, transparent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-brand) 25%, transparent);
}
.cp-v2-container-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border-main);
}
.cp-v2-container-label {
  flex: 1;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.cp-v2-container-state {
  font-size: 11px;
  color: var(--color-text-tertiary);
}
.cp-v2-container-drop {
  padding: 10px 12px;
  min-height: 56px;
  border: 1.5px dashed color-mix(in srgb, var(--color-brand) 38%, var(--color-border-main));
  border-radius: 0 0 10px 10px;
  background: color-mix(in srgb, var(--color-brand) 4%, transparent);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.cp-v2-container-drop:hover,
.cp-v2-container-drop.is-hot {
  border-color: var(--color-brand);
  background: color-mix(in srgb, var(--color-brand) 12%, transparent);
}
.cp-v2-container-drop.is-correct {
  border-color: var(--color-success, #34D399);
  border-style: solid;
  background: color-mix(in srgb, var(--color-success, #34D399) 8%, transparent);
}
.cp-v2-container-drop.is-wrong {
  border-color: var(--color-warning, #FBBF24);
  border-style: solid;
  background: color-mix(in srgb, var(--color-warning, #FBBF24) 8%, transparent);
}
.cp-v2-empty-hint {
  font-style: normal;
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.cp-v2-placed {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  color: var(--color-text-primary);
  background: transparent;
}

.cp-v2-frags {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--color-border-main);
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-text-primary) 2%, transparent);
}
.cp-v2-frags-head {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}
.cp-v2-frag {
  padding: 8px 10px;
  border: 1px solid var(--color-border-main);
  border-radius: 8px;
  background: var(--color-bg-card);
  cursor: grab;
  transition: border-color 0.15s ease, opacity 0.2s ease, transform 0.1s ease;
  user-select: none;
  -webkit-user-select: none;
  /* 터치 환경에서 pan/zoom과 충돌 방지 — pointer events가 우리 폴리필을 흐리지 않게 */
  touch-action: none;
  -ms-touch-action: none;
}
.cp-v2-frag:active { cursor: grabbing; }
/* 자식 All에 pointer-events: none — 부모만 drag/클릭 받음
 * (이게 HTML5 drag을 가장 안정적으로 발생시height는 lose턴) */
.cp-v2-frag > * {
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}
/* drag ghost 스타일 */
.cp-v2-frag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.85;
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  max-width: 280px;
}
.cp-v2-frag.cp-v2-frag--pdrag {
  opacity: 0.4;
}
.cp-v2-frag:hover { border-color: var(--color-brand); }
.cp-v2-frag.is-picked {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-brand) 25%, transparent);
}
.cp-v2-frag.is-dragging { opacity: 0.4; cursor: grabbing; }
.cp-v2-frag.is-used { opacity: 0.4; }
.cp-v2-frag-type {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-text-tertiary);
  margin-bottom: 4px;
}
.cp-v2-frag-code {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  color: var(--color-text-primary);
  background: transparent;
}

/* ── 3step: 코드 자산 미준비 stub ──────────────── */
.cp-v2-stage3-stub {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px 16px;
  border: 1px dashed var(--color-border-main);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-text-primary) 2%, transparent);
  text-align: center;
}
.cp-v2-stage3-icon { font-size: 36px; }
.cp-v2-stage3-title { font-size: 14px; font-weight: 700; color: var(--color-text-primary); }
.cp-v2-stage3-desc { font-size: 12px; color: var(--color-text-secondary); line-height: 1.6; max-width: 460px; }

.cp-stage3-result-overlay {
  position: absolute;
  inset: 0;
  z-index: 18;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(2px);
}

.cp-stage3-result-card {
  position: relative;
  width: min(420px, 100%);
  max-height: min(72vh, 420px);
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--color-brand) 42%, var(--color-border-main));
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-bg-card) 94%, #020617);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.34);
}

.cp-stage3-result-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid var(--color-border-main);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.cp-stage3-result-kicker {
  margin: 0 36px 10px 0;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-brand);
}

.cp-stage3-result-output {
  margin: 0;
  max-height: 320px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: var(--font-mono, monospace);
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-text-primary);
}

@media (max-width: 720px) {
  .cp-stage3-run-btn {
    margin-right: 8px;
    min-width: 68px;
    padding: 0 10px;
  }

  .cp-stage3-result-overlay {
    align-items: flex-end;
    padding: 10px;
  }

  .cp-stage3-result-card {
    max-height: 58vh;
  }
}

/* ── 모션 감수성 ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .cp-v2-step,
  .cp-v2-item-card,
  .cp-v2-frag,
  .cp-v2-container-drop {
    transition: none !important;
  }
}