/* ============================================================
   BOX BRAWL — Global Stylesheet
   Cartoon Arcade Fighting Game Theme
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg: #0f0f1a;
  --clr-surface: #1a1a2e;
  --clr-primary: #ff6b35;
  --clr-secondary: #4ecdc4;
  --clr-accent: #ffdd57;
  --clr-danger: #e74c3c;
  --clr-success: #2ecc71;
  --clr-text: #f0f0f0;
  --clr-text-dim: #888;
  --clr-border: #333355;
  --font-game: "Arial Black", "Impact", sans-serif;
  --font-ui: "Segoe UI", system-ui, sans-serif;
  --shadow-glow: 0 0 20px rgba(255,107,53,0.5);
  --shadow-box: 4px 4px 0 rgba(0,0,0,0.8);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-ui);
  cursor: default;
  user-select: none;
}

/* ── Loading Screen ───────────────────────────────────────── */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--clr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

#loading-screen.fade-out { opacity: 0; pointer-events: none; }

.loading-inner {
  text-align: center;
  width: 400px;
}

.logo-glitch {
  font-family: var(--font-game);
  font-size: 72px;
  color: var(--clr-primary);
  letter-spacing: 8px;
  text-shadow:
    3px 0 0 var(--clr-secondary),
    -3px 0 0 var(--clr-accent),
    0 0 30px rgba(255,107,53,0.8);
  animation: glitch 3s infinite;
  margin-bottom: 32px;
}

@keyframes glitch {
  0%, 90%, 100% { text-shadow: 3px 0 0 var(--clr-secondary), -3px 0 0 var(--clr-accent), 0 0 30px rgba(255,107,53,0.8); }
  91% { text-shadow: -4px 0 0 var(--clr-secondary), 4px 0 0 var(--clr-accent), 0 0 30px rgba(255,107,53,0.8); transform: translateX(3px); }
  93% { transform: translateX(-3px); }
  95% { transform: translateX(0); }
}

.loading-bar-wrap {
  width: 100%;
  height: 8px;
  background: #222233;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--clr-border);
  margin-bottom: 12px;
}

.loading-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: 4px;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--clr-primary);
}

.loading-status {
  color: var(--clr-text-dim);
  font-size: 14px;
  font-family: monospace;
  letter-spacing: 1px;
}

/* ── App Wrapper ──────────────────────────────────────────── */
.app-wrapper {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ── Screens ──────────────────────────────────────────────── */
.screen {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.screen.active {
  display: flex;
}

/* ── MENU SCREEN ──────────────────────────────────────────── */
#screen-menu {
  background: var(--clr-bg);
  flex-direction: row;
  align-items: stretch;
  gap: 0;
}

.menu-bg-animated {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,107,53,0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(78,205,196,0.07) 0%, transparent 60%);
  animation: bgPulse 4s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

.menu-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  z-index: 1;
  max-width: 480px;
}

.game-logo {
  font-family: var(--font-game);
  line-height: 1;
  text-align: center;
  margin-bottom: 12px;
}

.logo-main {
  display: block;
  font-size: 96px;
  color: var(--clr-primary);
  text-shadow:
    4px 4px 0 #8b2500,
    0 0 40px rgba(255,107,53,0.6);
  letter-spacing: 12px;
}

.logo-sub {
  display: block;
  font-size: 52px;
  color: var(--clr-accent);
  text-shadow: 3px 3px 0 #7a6800;
  letter-spacing: 20px;
  margin-top: -8px;
}

.game-tagline {
  color: var(--clr-text-dim);
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 48px;
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 360px;
}

.menu-footer {
  margin-top: 32px;
  color: var(--clr-text-dim);
  font-size: 13px;
  text-align: center;
}

/* ── Boss Select ──────────────────────────────────────────── */
.boss-select {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  border-left: 2px solid var(--clr-border);
  z-index: 1;
  max-width: 380px;
}

.boss-select h3 {
  font-family: var(--font-game);
  color: var(--clr-secondary);
  letter-spacing: 4px;
  margin-bottom: 24px;
  font-size: 18px;
}

.boss-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.boss-card {
  background: rgba(255,255,255,0.04);
  border: 2px solid var(--clr-border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 14px;
}

.boss-card:hover {
  border-color: var(--clr-primary);
  background: rgba(255,107,53,0.08);
  transform: translateX(4px);
}

.boss-card.selected {
  border-color: var(--clr-accent);
  background: rgba(255,221,87,0.08);
  box-shadow: 0 0 12px rgba(255,221,87,0.2);
}

.boss-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  flex-shrink: 0;
}

.boss-card-info { flex: 1; }
.boss-card-name {
  font-family: var(--font-game);
  font-size: 16px;
  color: var(--clr-text);
}
.boss-card-title {
  font-size: 12px;
  color: var(--clr-text-dim);
  margin-top: 2px;
}
.boss-card-stats {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.boss-stat {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  color: var(--clr-text-dim);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  font-family: var(--font-game);
  font-size: 15px;
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.3s ease;
}

.btn:hover::before { left: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), #cc4411);
  color: white;
  box-shadow: var(--shadow-box), 0 0 20px rgba(255,107,53,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-box), 0 0 30px rgba(255,107,53,0.5);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: linear-gradient(135deg, var(--clr-secondary), #2a9d95);
  color: #0f0f1a;
  box-shadow: var(--shadow-box);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-dim);
  border: 1px solid var(--clr-border);
}

.btn-ghost:hover {
  border-color: var(--clr-secondary);
  color: var(--clr-secondary);
}

.btn-xl {
  font-size: 18px;
  padding: 18px 36px;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none !important;
}

.badge-soon {
  font-size: 10px;
  background: var(--clr-accent);
  color: #000;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 1px;
}

.btn-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-icon { font-size: 20px; }

/* ── Calibration Screen ───────────────────────────────────── */
#screen-calibration {
  background: var(--clr-bg);
  padding: 40px;
}

.calibration-content {
  width: 100%;
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.screen-title {
  font-family: var(--font-game);
  font-size: 36px;
  color: var(--clr-secondary);
  text-shadow: 3px 3px 0 #1a6660;
  letter-spacing: 6px;
}

.camera-preview-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
  border: 3px solid var(--clr-border);
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 4/3;
}

#webcam-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.pose-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: scaleX(-1);
  pointer-events: none;
}

.camera-guides {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  pointer-events: none;
}

.guide-box {
  width: 60%;
  height: 85%;
  border: 2px dashed rgba(78,205,196,0.4);
  border-radius: 8px;
}

.guide-text {
  position: absolute;
  bottom: 12px;
  background: rgba(0,0,0,0.7);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--clr-secondary);
}

.calibration-status { text-align: center; }

#calib-status-text {
  color: var(--clr-text-dim);
  font-size: 14px;
  margin-bottom: 12px;
}

.calib-checks {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.calib-item {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-dim);
  transition: all 0.3s ease;
}

.calib-item.ready {
  border-color: var(--clr-success);
  color: var(--clr-success);
  background: rgba(46,204,113,0.08);
}

.calib-item.error {
  border-color: var(--clr-danger);
  color: var(--clr-danger);
}

/* ── Game Screen ──────────────────────────────────────────── */
#screen-game {
  background: #000;
  display: none;
  position: relative;
  flex-direction: column;
}

#screen-game.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-canvas-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-canvas-container canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

/* ── Webcam Overlay ───────────────────────────────────────── */
.webcam-overlay {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 160px;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid var(--clr-border);
  z-index: 50;
  background: #000;
}

#game-webcam {
  width: 100%;
  display: block;
  transform: scaleX(-1);
}

.pose-overlay-small {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: scaleX(-1);
  pointer-events: none;
}

.webcam-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  background: var(--clr-danger);
  color: white;
  font-size: 10px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 1px;
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Keyboard Hint ────────────────────────────────────────── */
.keyboard-hint {
  position: absolute;
  top: 70px;
  left: 12px;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  padding: 10px 14px;
  z-index: 50;
  font-size: 11px;
  line-height: 1.8;
  color: var(--clr-text-dim);
}

.keyboard-hint.hidden { display: none; }

.hint-row { white-space: nowrap; }

kbd {
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: monospace;
  font-size: 10px;
  color: var(--clr-text);
}

/* ── Action Feed ──────────────────────────────────────────── */
.action-feed {
  position: absolute;
  bottom: 80px;
  left: 16px;
  width: 180px;
  z-index: 50;
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  pointer-events: none;
}

.action-item {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(0,0,0,0.7);
  border-left: 3px solid var(--clr-primary);
  color: var(--clr-text-dim);
  animation: feedSlide 0.2s ease;
  font-family: monospace;
}

@keyframes feedSlide {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── KO Screen ────────────────────────────────────────────── */
#screen-ko {
  background: radial-gradient(ellipse at center, #2a0000 0%, #0f0f1a 70%);
}

.ko-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.ko-logo {
  font-family: var(--font-game);
  font-size: 120px;
  color: var(--clr-danger);
  text-shadow: 6px 6px 0 #7a0000, 0 0 60px rgba(231,76,60,0.8);
  letter-spacing: 12px;
  line-height: 1;
}

.ko-sub, .victory-sub {
  font-size: 18px;
  color: var(--clr-text-dim);
}

.ko-stats, .victory-stats {
  font-size: 14px;
  color: var(--clr-text-dim);
  font-family: monospace;
  line-height: 1.8;
  min-width: 260px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stat-row span:last-child {
  color: var(--clr-secondary);
  font-weight: bold;
}

@keyframes animate-ko {
  0% { transform: scale(0.5) rotate(-5deg); opacity: 0; }
  60% { transform: scale(1.1) rotate(2deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.animate-ko { animation: animate-ko 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }

/* ── Victory Screen ───────────────────────────────────────── */
#screen-victory {
  background: radial-gradient(ellipse at center, #1a2a00 0%, #0f0f1a 70%);
}

.victory-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.victory-stars {
  font-size: 48px;
  animation: starPop 0.5s ease forwards;
}

@keyframes starPop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.victory-logo {
  font-family: var(--font-game);
  font-size: 96px;
  color: var(--clr-accent);
  text-shadow: 5px 5px 0 #7a6800, 0 0 60px rgba(255,221,87,0.8);
  letter-spacing: 8px;
  line-height: 1;
}

@keyframes animate-victory {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.animate-victory { animation: animate-victory 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }

/* ── Pause overlay ────────────────────────────────────────── */
.pause-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 80;
  backdrop-filter: blur(4px);
}

/* ── Timer display ────────────────────────────────────────── */
.timer-display {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-game);
  font-size: 28px;
  color: var(--clr-text);
  text-shadow: 2px 2px 0 #000;
  z-index: 60;
  pointer-events: none;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 700px) {
  #screen-menu { flex-direction: column; }
  .boss-select { border-left: none; border-top: 2px solid var(--clr-border); max-width: 100%; }
  .logo-main { font-size: 64px; }
  .logo-sub { font-size: 36px; }
  .keyboard-hint { display: none; }
}