:root {
  --red: #e8002d;
  --red-bright: #ff1744;
  --red-dark: #9a0020;
  --black: #0a0a0a;
  --white: #f5f0e8;
  --yellow: #ffd600;
  --grey: #1a1a1a;
  --grey2: #2a2a2a;
  --panel-bg: rgba(10, 10, 10, 0.92);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: 'Bebas Neue', sans-serif;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Animated BG */
.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.bg-stripes {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -60deg,
    transparent 0px, transparent 38px,
    rgba(232, 0, 45, 0.04) 38px, rgba(232, 0, 45, 0.04) 40px
  );
  animation: bgShift 20s linear infinite;
}
@keyframes bgShift {
  0% { background-position: 0 0 }
  100% { background-position: 200px 200px }
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0, 0, 0, 0.7) 100%);
}

/* TITLE */
.title-area {
  position: relative;
  z-index: 2;
  text-align: center;
  margin-bottom: 10px;
}
.title-main {
  font-size: 3.2rem;
  letter-spacing: 0.15em;
  line-height: 1;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
}
.title-main span.phantom { color: var(--red); }
.title-main span.tetris { color: var(--white); }
.title-sub {
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.5em;
  color: var(--red);
  text-transform: uppercase;
  margin-top: 2px;
}
.title-accent {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--red), var(--yellow), var(--red), transparent);
  margin: 6px 0;
  animation: shimmer 2s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { opacity: 0.7 }
  50% { opacity: 1 }
}

/* MAIN LAYOUT */
.game-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  z-index: 2;
}

/* SIDE PANELS */
.side-panel {
  width: 140px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-box {
  background: var(--panel-bg);
  border: 2px solid var(--red-dark);
  padding: 10px 12px;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.panel-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--yellow));
}
.panel-label {
  font-size: 0.75rem;
  color: var(--red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
}
.panel-value {
  font-size: 1.8rem;
  color: var(--white);
  line-height: 1;
}
.panel-value.small { font-size: 1.3rem; }

/* NEXT PIECE */
#next-canvas {
  display: block;
  margin: 4px auto 0;
  image-rendering: pixelated;
}

/* MAIN CANVAS */
.canvas-container {
  position: relative;
}
#game-canvas {
  display: block;
  border: 3px solid var(--red-dark);
  border-top: 3px solid var(--red);
  image-rendering: pixelated;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 30px rgba(232, 0, 45, 0.3), inset 0 0 20px rgba(0, 0, 0, 0.5);
}
.canvas-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--red);
  border-style: solid;
  z-index: 2;
}
.canvas-corner.tl { top: -3px; left: -3px; border-width: 3px 0 0 3px; }
.canvas-corner.tr { top: -3px; right: -3px; border-width: 3px 3px 0 0; }
.canvas-corner.bl { bottom: -3px; left: -3px; border-width: 0 0 3px 3px; }
.canvas-corner.br { bottom: -3px; right: -3px; border-width: 0 3px 3px 0; }

/* OVERLAYS */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
  z-index: 10;
  gap: 12px;
}
.overlay.hidden { display: none; }

.overlay-title {
  font-size: 2.2rem;
  color: var(--red);
  letter-spacing: 0.1em;
  line-height: 1;
  text-align: center;
  text-shadow: 0 0 20px rgba(232, 0, 45, 0.8);
}
.overlay-sub {
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  color: var(--white);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-align: center;
}
.overlay-score {
  font-size: 2.5rem;
  color: var(--yellow);
  text-shadow: 0 0 10px rgba(255, 214, 0, 0.6);
}

.p5-btn {
  background: var(--red);
  color: var(--white);
  border: none;
  padding: 10px 28px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  letter-spacing: 0.2em;
  cursor: pointer;
  position: relative;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: all 0.15s;
}
.p5-btn:hover {
  background: var(--red-bright);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.6);
}

/* MASK ICON */
.mask-icon {
  width: 48px;
  height: 48px;
  position: relative;
  margin: 0 auto;
}
.mask-icon svg { width: 100%; height: 100%; }

/* LINE CLEAR FLASH */
#flash-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  background: rgba(232, 0, 45, 0.4);
  transition: opacity 0.1s;
}
#flash-overlay.flash { opacity: 1; }

/* CONTROLS INFO */
.controls {
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Oswald', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: rgba(245, 240, 232, 0.35);
  text-transform: uppercase;
  text-align: center;
  z-index: 10;
}

/* HOLD BOX */
.hold-cross {
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 14px;
  background: var(--red);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

/* PERSONA EYE decoration */
.persona-eye {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  font-size: 120px;
  line-height: 1;
  transform: rotate(-15deg);
}
.persona-eye.left { top: 10%; left: 2%; }
.persona-eye.right { bottom: 10%; right: 2%; transform: rotate(15deg); }

/* SCORE POP ANIMATION */
.score-pop {
  position: absolute;
  font-size: 1.5rem;
  color: var(--yellow);
  text-shadow: 0 0 8px var(--yellow);
  pointer-events: none;
  z-index: 20;
  font-family: 'Bebas Neue';
  animation: scorePop 1s ease-out forwards;
}
@keyframes scorePop {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-50px) scale(1.5); }
}

/* LEVEL UP FLASH */
.levelup-msg {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 4rem;
  color: var(--yellow);
  text-shadow: 0 0 30px var(--yellow), 0 0 60px rgba(255, 214, 0, 0.4);
  z-index: 100;
  pointer-events: none;
  animation: levelUpAnim 1.2s ease-out forwards;
  letter-spacing: 0.15em;
  display: none;
}
@keyframes levelUpAnim {
  0%{ opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
  30%{ opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
  70%{ opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100%{ opacity: 0; transform: translate(-50%, -60%) scale(1); }
}

/* Phantom skull watermark */
.watermark {
  position: fixed;
  bottom: 30px;
  right: 20px;
  font-family: 'Bebas Neue';
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: rgba(232, 0, 45, 0.3);
  text-transform: uppercase;
  z-index: 1;
}