/* ═══════════════════════════════════════════════
   DEVLAB ARCADE — games.css (overlay panel)
   ═══════════════════════════════════════════════ */

/* ═══════ PANEL OVERLAY ═══════ */
.panel-overlay {
  position: fixed;
  inset: 0;
  z-index: 20000;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.panel-overlay.open { opacity: 1; pointer-events: auto; }
.panel-overlay.open .panel { transform: scale(1); opacity: 1; }

.panel {
  width: min(1200px, 92vw);
  height: min(700px, 85vh);
  background: rgba(10,10,15,0.97);
  border: 1px solid rgba(0,255,157,0.2);
  display: flex;
  overflow: hidden;
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(.16,1,.3,1) 0.1s, opacity 0.4s ease 0.1s;
  box-shadow: 0 0 80px rgba(0,255,157,0.06), inset 0 0 60px rgba(0,0,0,0.4);
}

/* ═══════ PANEL HEADER ═══════ */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  min-height: 3rem;
  border-bottom: 1px solid rgba(0,255,157,0.15);
  background: rgba(0,255,157,0.02);
}
.panel-title {
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--green);
}
.panel-close {
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  transition: color 0.3s;
}
.panel-close:hover { color: var(--magenta); }

/* ═══════ SIDEBAR ═══════ */
.panel-side {
  width: 200px;
  min-width: 200px;
  border-right: 1px solid rgba(0,255,157,0.15);
  display: flex;
  flex-direction: column;
  background: rgba(10,10,15,0.6);
}

.panel-nav {
  flex: 1;
  padding: 0.8rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.panel-nav-item {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(200,214,229,0.5);
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.25s ease;
  user-select: none;
}

.panel-nav-item:hover {
  color: rgba(200,214,229,0.8);
  background: rgba(0,255,157,0.04);
}

.panel-nav-item.active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(0,255,157,0.06);
}

.panel-nav-item .nav-icon {
  margin-right: 0.6rem;
  font-style: normal;
}

.panel-nav-label {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.4rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.3);
  padding: 0.8rem 1.2rem 0.3rem;
  user-select: none;
}

/* ═══════ CONTENT AREA ═══════ */
.panel-content {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.panel-screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
}

.panel-screen.active {
  display: flex;
}

/* ═══════ SCREEN HEADER ═══════ */
.scr-header {
  padding: 0 1.5rem;
  border-bottom: 1px solid rgba(0,255,157,0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 3rem;
}

.scr-title {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text);
}

.scr-sub {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.4rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.5);
}

.scr-body {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* ═══════ CANVAS GAMES ═══════ */
#asteroidCanvas, #defCanvas {
  width: 100%;
  height: 100%;
  display: block;
  background: transparent;
}

#defCanvas {
  cursor: crosshair;
}

/* ═══════ GAME HUD ═══════ */
.game-hud {
  position: absolute;
  top: 0.8rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  pointer-events: none;
}

/* ═══════ GAME OVER / START SCREENS ═══════ */
.game-over-msg {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  background: rgba(10,10,15,0.7);
}

.game-over-msg.show {
  display: flex;
}

.game-over-msg h2 {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--magenta);
}

.game-over-msg .final-score {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.6rem;
  color: var(--green);
  letter-spacing: 0.2em;
}

.game-over-msg .restart-btn {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
  background: none;
  border: 1px solid rgba(0,255,157,0.35);
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s;
}

.game-over-msg .restart-btn:hover {
  border-color: var(--green);
  color: var(--green);
}

.go-buttons {
  display: flex;
  gap: 0.6rem;
}

/* ═══════ SCORE CARD ═══════ */
.score-card {
  width: 280px;
  background: rgba(10,10,15,0.97);
  border: 1px solid rgba(0,255,157,0.2);
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.sc-logo {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--green);
}

.sc-divider {
  width: 100%;
  height: 1px;
  background: rgba(0,255,157,0.12);
  margin: 0.3rem 0;
}

.sc-label {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.4rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.4);
}

.sc-score {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 3rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
  margin: 0.2rem 0;
  text-shadow: 0 0 30px rgba(0,255,157,0.2);
}

.sc-label2 {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(200,214,229,0.3);
}

.sc-row {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.45rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(200,214,229,0.35);
  padding: 0.15rem 0;
}

.sc-row span:last-child {
  color: var(--text);
}

.sc-tag {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.35rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.2);
  margin-top: 0.4rem;
}

/* ═══════ VOCAB GAME ═══════ */
.vocab-game {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 1.2rem;
  position: relative;
}

.vocab-streak {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.4rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.4);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.vocab-diff {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.4rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.2rem 0.7rem;
  border-radius: 1px;
  margin-bottom: 0.2rem;
}

.vocab-diff.d0 { color: rgba(100,200,255,.8); border: 1px solid rgba(100,200,255,.25); background: rgba(100,200,255,.05); }
.vocab-diff.d1 { color: rgba(0,255,120,.8); border: 1px solid rgba(0,255,120,.25); background: rgba(0,255,120,.05); }
.vocab-diff.d2 { color: rgba(0,255,157,.8); border: 1px solid rgba(0,255,157,.25); background: rgba(0,255,157,.05); }
.vocab-diff.d3 { color: rgba(255,180,0,.8); border: 1px solid rgba(255,180,0,.25); background: rgba(255,180,0,.05); }
.vocab-diff.d4 { color: rgba(255,80,0,.8); border: 1px solid rgba(255,80,0,.25); background: rgba(255,80,0,.05); }
.vocab-diff.d5 { color: rgba(255,0,170,.8); border: 1px solid rgba(255,0,170,.25); background: rgba(255,0,170,.05); }

.vocab-question {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  font-weight: 500;
  color: var(--text);
  text-align: center;
  line-height: 1.6;
  max-width: 500px;
}

.vocab-hint {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  color: rgba(0,255,157,0.5);
  text-transform: uppercase;
}

.vocab-boxes {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: center;
}

.vocab-box {
  width: 36px;
  height: 44px;
  border: 1px solid rgba(0,255,157,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  transition: all 0.2s ease;
  background: rgba(0,255,157,0.03);
}

.vocab-box.filled {
  border-color: rgba(0,255,157,0.55);
  background: rgba(0,255,157,0.08);
  color: var(--green);
}

.vocab-box.correct {
  border-color: rgba(0,255,120,0.6);
  background: rgba(0,255,120,0.12);
  color: rgba(0,255,120,0.95);
  animation: vPop 0.3s ease;
}

.vocab-box.wrong {
  border-color: rgba(255,0,170,0.6);
  background: rgba(255,0,170,0.1);
  color: rgba(255,0,170,0.95);
  animation: vShake 0.4s ease;
}

.vocab-box.active {
  border-color: var(--green);
  box-shadow: 0 0 15px rgba(0,255,157,0.15);
}

@keyframes vPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes vShake {
  0% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
  100% { transform: translateX(0); }
}

.vocab-hidden-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.vocab-feedback {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  min-height: 1.5em;
  text-align: center;
}

.vocab-feedback.ok {
  color: rgba(0,255,120,0.85);
}

.vocab-feedback.err {
  color: rgba(255,0,170,0.85);
}

.vocab-pass-btn {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
  background: none;
  border: 1px solid rgba(255,0,170,0.3);
  padding: 0.4rem 1.2rem;
  cursor: pointer;
  transition: all 0.3s;
}

.vocab-pass-btn:hover {
  border-color: rgba(255,0,170,0.6);
  color: var(--magenta);
}

.vocab-stats {
  display: flex;
  gap: 2rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.45rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.45);
}

/* ═══════ CODE REVIEW GAMES ═══════ */
.cr-game {
  padding: 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.cr-category {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.4rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  align-self: flex-start;
  border: 1px solid rgba(0,255,157,0.2);
  color: rgba(0,255,157,0.6);
}

.cr-code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.65rem;
  line-height: 1.7;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,255,157,0.15);
  padding: 0.8rem 1rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
  border-radius: 2px;
  overflow-x: auto;
  margin: 0;
}

.cr-question {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
  padding: 0.5rem 0;
  border-top: 1px solid rgba(0,255,157,0.06);
}

.cr-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.3rem;
  flex-shrink: 0;
}

.cr-category,
.cr-code,
.cr-question {
  flex-shrink: 0;
}

.cr-opt {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.6rem;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(200,214,229,0.15);
  color: rgba(200,214,229,0.7);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  background: none;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) {
  .cr-opt:hover {
    border-color: rgba(0,255,157,0.3);
    color: var(--text);
    background: rgba(0,255,157,0.03);
  }
}

.cr-opt.correct {
  border-color: rgba(0,255,120,0.5) !important;
  background: rgba(0,255,120,0.1) !important;
  color: rgba(0,255,120,0.95) !important;
}

.cr-opt.wrong {
  border-color: rgba(255,0,170,0.5) !important;
  background: rgba(255,0,170,0.1) !important;
  color: rgba(255,0,170,0.95) !important;
}

.cr-opt.cr-correct {
  border-color: rgba(0,255,120,0.3) !important;
  color: rgba(0,255,120,0.6) !important;
}

.cr-opt[disabled] {
  pointer-events: none;
  opacity: 0.7;
}

.cr-explain {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.55rem;
  line-height: 1.7;
  color: rgba(0,255,157,0.55);
  padding: 0.6rem 0.8rem;
  border-left: 2px solid rgba(0,255,157,0.2);
  display: none;
}

.cr-explain.show {
  display: block;
}

.cr-review-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0,255,157,0.06);
}

.cr-review-item .ri-q {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.55rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.cr-review-item .ri-a {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  margin-bottom: 0.2rem;
}

.cr-review-item.was-correct .ri-a {
  color: rgba(0,255,120,0.7);
}

.cr-review-item.was-wrong .ri-a {
  color: rgba(255,0,170,0.7);
}

.cr-review-item .ri-e {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.45rem;
  color: rgba(0,255,157,0.4);
  line-height: 1.5;
}

.cr-review-btn {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.5rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
  background: none;
  border: 1px solid rgba(0,255,157,0.35);
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 1rem;
}

.cr-review-btn:hover {
  border-color: var(--green);
  color: var(--green);
}

.cr-stats {
  display: flex;
  gap: 2rem;
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.45rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(0,255,157,0.45);
  border-top: 1px solid rgba(0,255,157,0.08);
}

/* ═══════ RESPONSIVE (Mobile: <=768px) ═══════ */
@media (max-width: 768px) {
  .panel-overlay .panel {
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    border: none;
  }

  .panel-side {
    width: 100%;
    min-width: 0;
    min-height: 0;
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid rgba(0,255,157,0.15);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .panel-header {
    display: none;
  }

  .panel-nav {
    flex-direction: row;
    padding: 0;
    gap: 0;
    flex: 1;
    min-width: 0;
    overflow-x: auto;
  }

  .panel-nav-item {
    padding: 0.5rem 0.6rem;
    border-left: none;
    border-bottom: 2px solid transparent;
    font-size: 0.4rem;
    letter-spacing: 0.1em;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .panel-nav-item .nav-icon {
    margin-right: 0.3rem;
  }

  .panel-nav-item.active {
    border-bottom-color: var(--green);
    border-left-color: transparent;
  }

  .panel-nav-label {
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    font-size: 0.35rem;
    color: rgba(0,255,157,0.25);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .panel-close {
    padding: 0.5rem 0.6rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .panel {
    flex-direction: column;
  }

  .scr-header {
    min-height: 2.4rem;
    padding: 0 1rem;
  }

  .scr-title {
    font-size: 0.65rem;
  }

  .scr-sub {
    font-size: 0.35rem;
  }

  .game-hud {
    font-size: 0.4rem;
    left: 0.6rem;
    right: 0.6rem;
    top: 0.5rem;
  }

  .game-over-msg h2 {
    font-size: 1.1rem;
  }

  .game-over-msg .final-score {
    font-size: 0.5rem;
  }

  .game-over-msg .restart-btn {
    font-size: 0.4rem;
    padding: 0.4rem 1rem;
  }

  .go-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .score-card {
    width: 240px;
    padding: 1rem 1.2rem;
  }

  .sc-score {
    font-size: 2.2rem;
  }

  .sc-row {
    font-size: 0.35rem;
  }

  .vocab-game {
    padding: 1rem;
    gap: 0.8rem;
  }

  .vocab-question {
    font-size: 0.8rem;
  }

  .vocab-box {
    width: 28px;
    height: 36px;
    font-size: 0.9rem;
  }

  .vocab-stats {
    font-size: 0.35rem;
    gap: 1rem;
  }

  .cr-game {
    padding: 0.8rem;
    gap: 0.5rem;
  }

  .cr-code {
    font-size: 0.5rem;
    padding: 0.5rem 0.6rem;
  }

  .cr-question {
    font-size: 0.65rem;
  }

  .cr-opt {
    font-size: 0.5rem;
    padding: 0.5rem 0.7rem;
  }

  .cr-explain {
    font-size: 0.45rem;
  }

  .cr-stats {
    font-size: 0.35rem;
    gap: 1rem;
  }
}