/* ============================================================
 * 22-integration-project.css
 * 섹션Stars integrated review 프로젝트(kind: "integration-project")의
 * menu/badge/스텁 컨셉 card 스타일.
 * 사이트 common var(--color-...) 토큰만 사용 — 라이트/다크 자동 반전.
 * ============================================================ */

/* ── sidebar menu badge(integrated review) ───────────────────────────── */
#pg-academy .nav-badge.lang-tag[data-badge="integrated review"],
#pg-academy .nav-item .nav-badge:where(.nav-badge--review),
#pg-academy .nav-item .nav-badge.badge-review {
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  color: #fff;
  border: 0;
}

/* nav-badge에 "integrated review" 텍스트가 들어가면 강조색 부여 (속성 셀렉터 폴백) */
#pg-academy .nav-item .nav-badge {
  /* default 토큰 활용 (라이트/다크 common) */
}

/* =============================================================
 * 인터랙티브 integrated review page 본문
 * ============================================================= */

#pg-academy .ip-root {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  color: var(--color-text-primary);
}

#pg-academy .ip-header {
  margin-bottom: 18px;
}

#pg-academy .ip-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

#pg-academy .ip-sub {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

#pg-academy .ip-intro {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-primary);
  padding: 14px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-main);
  border-radius: 12px;
}

#pg-academy .ip-start-panel {
  display: grid;
  gap: 12px;
  padding: 22px;
  margin: 18px 0;
  border-radius: 14px;
  background: var(--color-bg-card);
  border: 1px solid color-mix(in srgb, var(--color-accent, #22d3ee) 38%, var(--color-border-main));
  box-shadow: 0 18px 45px rgba(8, 145, 178, 0.12);
}

#pg-academy .ip-start-kicker {
  font-size: 12px;
  font-weight: 800;
  color: var(--color-accent, #22d3ee);
}

#pg-academy .ip-start-title {
  font-size: 20px;
  font-weight: 850;
  color: var(--color-text-primary);
}

#pg-academy .ip-start-copy {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

#pg-academy .ip-start-rules {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#pg-academy .ip-start-rules span {
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: color-mix(in srgb, var(--color-text-primary) 7%, transparent);
  color: var(--color-text-primary);
}

#pg-academy .ip-start-btn {
  justify-self: start;
  min-width: 128px;
  border: 0;
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  box-shadow: 0 12px 26px rgba(34, 211, 238, 0.22);
}

#pg-academy .ip-start-btn:hover {
  transform: translateY(-1px);
}

#pg-academy .ip-game--intro .ip-hud,
#pg-academy .ip-game--intro .ip-fly-layer,
#pg-academy .ip-game--intro .ip-drills,
#pg-academy .ip-game--intro .ip-nav,
#pg-academy .ip-game--intro .ip-nav-hint {
  display: none !important;
}

#pg-academy .ip-game:not(.ip-game--intro) .ip-start-panel {
  display: none !important;
}

/* ── 진척률 바 ──────────────────────────────────────────────── */
#pg-academy .ip-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 10px;
}

#pg-academy .ip-progress-bar {
  flex: 1;
  height: 8px;
  background: color-mix(in srgb, var(--color-border-main) 80%, transparent);
  border-radius: 999px;
  overflow: hidden;
}

#pg-academy .ip-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #0891b2, #22d3ee);
  border-radius: 999px;
  transition: width 0.35s cubic-bezier(.2,.7,.3,1);
}

#pg-academy .ip-progress-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-secondary);
  min-width: 60px;
  text-align: right;
}

/* ── 드릴 card — wizard 모드: 한 번에 한 드릴만 표시 ────────── */
#pg-academy .ip-drill {
  position: relative;
  padding: 18px;
  margin-bottom: 16px;
  border-radius: 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-main);
  transition: transform 0.18s ease, border-color 0.2s ease, opacity 0.22s ease;
  display: none;
}

#pg-academy .ip-drill.ip-drill--active {
  display: block;
  animation: ip-drill-enter 0.32s cubic-bezier(.2,.8,.3,1) both;
}

@keyframes ip-drill-enter {
  from { transform: translateX(16px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

#pg-academy .ip-drill:hover {
  border-color: color-mix(in srgb, var(--color-accent, #22d3ee) 30%, var(--color-border-main));
}

/* ── 이전/Next 네비게이션 ─────────────────────────────────────── */
#pg-academy .ip-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 16px 0 8px;
  padding: 10px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-main);
  border-radius: 12px;
}

#pg-academy .ip-nav-btn {
  appearance: none;
  border: 1px solid var(--color-border-main);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
  min-width: 92px;
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
}

#pg-academy .ip-nav-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-accent, #22d3ee) 35%, var(--color-border-main));
}

#pg-academy .ip-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

#pg-academy .ip-nav-btn--primary {
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  color: #fff;
  border-color: transparent;
}

#pg-academy .ip-nav-step {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}

#pg-academy .ip-nav-step b {
  font-size: 18px;
  color: var(--color-text-primary);
}

#pg-academy .ip-nav-dots {
  display: flex; gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

#pg-academy .ip-nav-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-text-primary) 18%, transparent);
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

#pg-academy .ip-nav-dot:hover { transform: scale(1.25); }

#pg-academy .ip-nav-dot--active {
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  transform: scale(1.25);
}

#pg-academy .ip-nav-dot--passed {
  background: var(--color-success, #22c55e);
}

#pg-academy .ip-nav-dot--failed {
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 80%, transparent);
}

/* mobile에서는 dots 컴팩트 */
@media (max-width: 540px) {
  #pg-academy .ip-nav { padding: 8px 10px; gap: 6px; }
  #pg-academy .ip-nav-btn { padding: 8px 12px; min-width: 72px; font-size: 13px; }
  #pg-academy .ip-nav-dots { display: none; }
}

/* height드/스와이프 힌트 — nav 아래 작은 Notice */
#pg-academy .ip-nav-hint {
  font-size: 11px;
  color: var(--color-text-tertiary, var(--color-text-secondary));
  text-align: center;
  margin: 0 0 12px;
  padding: 4px 8px;
}

#pg-academy .ip-nav-hint b {
  color: var(--color-text-secondary);
  font-weight: 700;
  padding: 0 3px;
}

/* ── Score 테이블(피날레) ────────────────────────────────────── */
#pg-academy .ip-score-table {
  margin: 16px 0 14px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--color-border-main);
}

#pg-academy .ip-score-table-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  font-size: 12.5px;
  border-bottom: 1px solid var(--color-border-main);
  background: var(--color-bg-card);
}

/* Time 컬럼이 있을 때 6컬럼 그리드 */
#pg-academy .ip-score-table--with-time .ip-score-table-row {
  grid-template-columns: auto 1fr auto auto auto auto;
}

#pg-academy .ip-score-cell-time {
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
  min-width: 44px;
  text-align: right;
}

#pg-academy .ip-score-table-row:last-child { border-bottom: 0; }

#pg-academy .ip-score-table-row--head {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--color-text-tertiary, var(--color-text-secondary));
  background: color-mix(in srgb, var(--color-text-primary) 4%, var(--color-bg-card));
}

#pg-academy .ip-score-table-row--pass {
  background: color-mix(in srgb, var(--color-success, #22c55e) 5%, var(--color-bg-card));
}

#pg-academy .ip-score-table-row--fail {
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 5%, var(--color-bg-card));
}

#pg-academy .ip-score-cell-step {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
}

#pg-academy .ip-score-cell-title {
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#pg-academy .ip-score-cell-status {
  font-size: 14px;
}

#pg-academy .ip-score-cell-attempts {
  font-size: 11.5px;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}

#pg-academy .ip-score-cell-score {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-success, #22c55e);
  min-width: 56px;
  text-align: right;
}

#pg-academy .ip-score-cell-score--zero { color: var(--color-text-tertiary, var(--color-text-secondary)); }

@media (max-width: 540px) {
  #pg-academy .ip-score-table-row {
    grid-template-columns: auto 1fr auto auto;
    font-size: 12px;
  }
  #pg-academy .ip-score-table--with-time .ip-score-table-row {
    grid-template-columns: auto 1fr auto auto auto;
  }
  #pg-academy .ip-score-cell-attempts { display: none; }
}

#pg-academy .ip-drill-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

#pg-academy .ip-drill-step {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800;
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  color: #fff;
  flex-shrink: 0;
}

#pg-academy .ip-drill-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  flex: 1;
}

#pg-academy .ip-drill-status {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-border-main) 80%, transparent);
  color: var(--color-text-secondary);
}

#pg-academy .ip-drill-status[data-state="pass"] {
  background: color-mix(in srgb, var(--color-success, #22c55e) 18%, transparent);
  color: var(--color-success, #22c55e);
}

#pg-academy .ip-drill-status[data-state="fail"] {
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 18%, transparent);
  color: var(--color-warning, #f59e0b);
}

#pg-academy .ip-drill-prompt {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

#pg-academy .ip-drill-prompt b {
  background: linear-gradient(180deg, transparent 60%,
    color-mix(in srgb, var(--color-accent, #22d3ee) 30%, transparent) 60%);
  padding: 0 2px;
  border-radius: 2px;
}

#pg-academy .ip-drill-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--color-text-tertiary, var(--color-text-secondary));
  padding: 8px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 8%, transparent);
}

/* ── 코드 블록 + 빈칸 Input ──────────────────────────────────── */
#pg-academy .ip-code {
  background: color-mix(in srgb, var(--color-text-primary) 4%, var(--color-bg-card));
  border: 1px solid var(--color-border-main);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin: 0 0 12px;
  white-space: pre-wrap;
  overflow-x: auto;
}

#pg-academy .ip-blank {
  display: inline-block;
}

#pg-academy .ip-blank-input {
  display: inline-block;
  width: 8.5ch;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px dashed color-mix(in srgb, var(--color-accent, #22d3ee) 50%, var(--color-border-main));
  background: color-mix(in srgb, var(--color-accent, #22d3ee) 8%, transparent);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 14px;
  text-align: center;
  outline: none;
  transition: background 0.18s, border-color 0.18s, transform 0.18s;
}

#pg-academy .ip-blank-input:focus {
  background: color-mix(in srgb, var(--color-accent, #22d3ee) 18%, transparent);
  border-style: solid;
}

#pg-academy .ip-blank-ok {
  background: color-mix(in srgb, var(--color-success, #22c55e) 18%, transparent) !important;
  border-color: var(--color-success, #22c55e) !important;
  color: var(--color-success, #22c55e);
}

#pg-academy .ip-blank-bad {
  animation: ip-shake 0.45s cubic-bezier(.36,.07,.19,.97);
  border-color: var(--color-warning, #f59e0b) !important;
}

@keyframes ip-shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

/* ── drag-드롭 ───────────────────────────────────────────── */
#pg-academy .ip-drag-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-bottom: 12px;
}

@media (min-width: 720px) {
  #pg-academy .ip-drag-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

#pg-academy .ip-slot-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}

#pg-academy .ip-slot-label {
  flex: 1;
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  font-size: 13px;
  background: color-mix(in srgb, var(--color-text-primary) 4%, var(--color-bg-card));
  border: 1px solid var(--color-border-main);
  padding: 8px 12px;
  border-radius: 8px;
}

#pg-academy .ip-slot {
  /* hit-area zoom in — 사용자가 슬롯 모서리 근처에서 release해도 drop 인식되도록 */
  min-width: 140px;
  min-height: 48px;
  border: 2px dashed color-mix(in srgb, var(--color-accent, #22d3ee) 35%, var(--color-border-main));
  border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 12px;
  background: color-mix(in srgb, var(--color-accent, #22d3ee) 4%, transparent);
  transition: background 0.18s, border-color 0.18s, transform 0.18s;
}

#pg-academy .ip-slot-placeholder {
  font-size: 11.5px;
  color: var(--color-text-tertiary, var(--color-text-secondary));
  pointer-events: none;   /* drag-드롭 이벤트가 슬롯에 도달하도록 placeholder 시 */
  user-select: none;
}

#pg-academy .ip-slot.ip-slot-hot {
  background: color-mix(in srgb, var(--color-accent, #22d3ee) 18%, transparent);
  border-color: var(--color-accent, #22d3ee);
  transform: scale(1.02);
}

#pg-academy .ip-slot.ip-slot-preview-ok {
  background: color-mix(in srgb, var(--color-success, #22c55e) 14%, transparent);
  border-color: var(--color-success, #22c55e);
  border-style: solid;
}

#pg-academy .ip-slot.ip-slot-preview-bad {
  background: color-mix(in srgb, var(--color-danger, #ef4444) 14%, transparent);
  border-color: var(--color-danger, #ef4444);
  border-style: solid;
}

#pg-academy .ip-slot.ip-slot-ok {
  background: color-mix(in srgb, var(--color-success, #22c55e) 14%, transparent);
  border-color: var(--color-success, #22c55e);
  border-style: solid;
}

#pg-academy .ip-slot.ip-slot-bad {
  background: color-mix(in srgb, var(--color-danger, #ef4444) 14%, transparent);
  border-color: var(--color-danger, #ef4444);
  border-style: solid;
}

#pg-academy .ip-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-content: flex-start;
  padding: 10px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-text-primary) 3%, transparent);
  border: 1px dashed var(--color-border-main);
  min-height: 60px;
}

#pg-academy .ip-chip {
  display: inline-flex; align-items: center; height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  color: #fff;
  cursor: grab;
  user-select: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

#pg-academy .ip-chip:active { cursor: grabbing; }

/* chip internal 텍스트는 이벤트를 받지 않도록 — outer chip span만 dragstart 받음 */
#pg-academy .ip-chip-label {
  pointer-events: none;
  user-select: none;
}

#pg-academy .ip-chip-dragging {
  opacity: 0.45;
  transform: scale(0.95);
}

#pg-academy .ip-chip,
#pg-academy .ip-order-row {
  touch-action: none;
}

.ip-chip-ghost {
  position: fixed;
  z-index: 2147483647;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(1.04);
  opacity: 0.9;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.24);
}

/* ── Run 시뮬레이션 ────────────────────────────────────────── */
#pg-academy .ip-run {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

#pg-academy .ip-run-inputs {
  display: flex; flex-wrap: wrap; gap: 10px;
}

#pg-academy .ip-input {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

#pg-academy .ip-input input {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--color-border-main);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-family: ui-monospace, monospace;
  font-size: 13px;
  width: 140px;
  outline: none;
}

#pg-academy .ip-input input[readonly] {
  color: var(--color-text-secondary);
  cursor: default;
}

#pg-academy .ip-input input:focus {
  border-color: var(--color-accent, #22d3ee);
}

#pg-academy .ip-run-formula {
  padding: 10px 14px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--color-text-primary) 4%, var(--color-bg-card));
  border: 1px solid var(--color-border-main);
  font-family: ui-monospace, monospace;
  font-size: 13px;
  color: var(--color-text-primary);
}

#pg-academy .ip-run-choices {
  display: grid;
  gap: 8px;
}

#pg-academy .ip-run-choice {
  appearance: none;
  width: 100%;
  border: 1px solid var(--color-border-main);
  border-radius: 9px;
  padding: 9px 11px;
  background: color-mix(in srgb, var(--color-text-primary) 4%, var(--color-bg-card));
  color: var(--color-text-primary);
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.12s ease;
}

#pg-academy .ip-run-choice:hover {
  border-color: color-mix(in srgb, var(--color-accent, #22d3ee) 42%, var(--color-border-main));
}

#pg-academy .ip-run-choice--selected {
  background: color-mix(in srgb, var(--color-accent, #22d3ee) 14%, transparent);
  border-color: var(--color-accent, #22d3ee);
}

#pg-academy .ip-run-choice--ok {
  background: color-mix(in srgb, var(--color-success, #22c55e) 14%, transparent);
  border-color: var(--color-success, #22c55e);
}

#pg-academy .ip-run-choice--bad {
  background: color-mix(in srgb, var(--color-danger, #ef4444) 14%, transparent);
  border-color: var(--color-danger, #ef4444);
}

#pg-academy .ip-run-output {
  padding: 14px 16px;
  border-radius: 10px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-success, #22c55e) 15%, transparent),
    color-mix(in srgb, var(--color-success, #22c55e) 4%, transparent));
  border: 1px solid color-mix(in srgb, var(--color-success, #22c55e) 35%, var(--color-border-main));
  font-family: ui-monospace, monospace;
  font-size: 14px;
  color: var(--color-text-primary);
  min-height: 44px;
}

#pg-academy .ip-run-output--ok {
  border-color: var(--color-success, #22c55e);
  color: var(--color-success, #22c55e);
}

#pg-academy .ip-run-output--bad {
  border-color: var(--color-danger, #ef4444);
  color: var(--color-danger, #ef4444);
}

#pg-academy .ip-typewriter {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--color-success, #22c55e);
  animation: ip-typing 1.1s steps(40, end), ip-blink 0.8s step-end 4;
}

@keyframes ip-typing {
  from { width: 0 }
  to { width: 100% }
}

@keyframes ip-blink {
  50% { border-color: transparent; }
}

/* ── 액션 button ──────────────────────────────────────────────── */
#pg-academy .ip-actions {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 4px;
}

#pg-academy .ip-btn {
  appearance: none;
  border: 1px solid var(--color-border-main);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

#pg-academy .ip-btn:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-accent, #22d3ee) 35%, var(--color-border-main));
}

#pg-academy .ip-btn-primary {
  background: linear-gradient(135deg, #0891b2, #22d3ee);
  color: #fff;
  border-color: transparent;
}

#pg-academy .ip-btn-primary:hover {
  filter: brightness(1.06);
}

/* ── 펄스 효과 ──────────────────────────────────────────────── */
#pg-academy .ip-pulse-ok {
  animation: ip-pulse-ok 0.7s ease;
}

#pg-academy .ip-pulse-bad {
  animation: ip-pulse-bad 0.6s ease;
}

/* outline 기반 링 효과 (그림자 미사용) */
#pg-academy .ip-pulse-ok,
#pg-academy .ip-pulse-bad {
  outline-style: solid;
  outline-offset: 0;
}

@keyframes ip-pulse-ok {
  0%   { outline-width: 0;   outline-color: color-mix(in srgb, var(--color-success, #22c55e) 60%, transparent); }
  60%  { outline-width: 5px; outline-color: color-mix(in srgb, var(--color-success, #22c55e) 30%, transparent); }
  100% { outline-width: 0;   outline-color: transparent; }
}

@keyframes ip-pulse-bad {
  0%   { outline-width: 0;   outline-color: color-mix(in srgb, var(--color-warning, #f59e0b) 60%, transparent); }
  60%  { outline-width: 5px; outline-color: color-mix(in srgb, var(--color-warning, #f59e0b) 30%, transparent); }
  100% { outline-width: 0;   outline-color: transparent; }
}

/* ── 피날레 ────────────────────────────────────────────────── */
#pg-academy .ip-finale {
  text-align: center;
  padding: 28px 20px;
  margin-top: 18px;
  border-radius: 14px;
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--color-success, #22c55e) 15%, transparent),
      color-mix(in srgb, #22d3ee 12%, transparent)),
    var(--color-bg-card);
  border: 1px solid color-mix(in srgb, var(--color-success, #22c55e) 30%, var(--color-border-main));
}

/* (.ip-finale-emoji + @keyframes ip-bob 제거됨 — finale UI에서 Stars 평가 + Score 테이블 도입으로 미사용) */

#pg-academy .ip-finale-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

#pg-academy .ip-finale-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.ip-pop-in {
  animation: ip-pop 0.45s cubic-bezier(.2,1.6,.3,1) both;
}

@keyframes ip-pop {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

#pg-academy .ip-empty {
  padding: 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 13px;
}

/* ── 라이트 Theme 미세 정 ──────────────────────────────────── */
[data-theme="light"] #pg-academy .ip-code {
  background: rgba(8, 145, 178, 0.04);
}

[data-theme="light"] #pg-academy .ip-slot-label {
  background: rgba(8, 145, 178, 0.04);
}

[data-theme="light"] #pg-academy .ip-blank-input {
  color: #0e3a44;
}

[data-theme="light"] #pg-academy .ip-run-output {
  color: #0a3d1f;
}

@media (prefers-reduced-motion: reduce) {
  #pg-academy .ip-progress-fill,
  #pg-academy .ip-blank-bad,
  #pg-academy .ip-pulse-ok,
  #pg-academy .ip-pulse-bad,
  #pg-academy .ip-typewriter { animation: none !important; transition: none !important; }
}