:root {
  --bg: #030605;
  --panel: rgba(3, 18, 11, 0.86);
  --panel-border: rgba(77, 255, 154, 0.32);
  --text: #d8ffe8;
  --muted: #86c39d;
  --neon: #48ff94;
  --neon-strong: #17ff7a;
  --danger: #ff4f67;
  --blue-pill: #57b5ff;
  --shadow: 0 0 24px rgba(30, 255, 128, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: radial-gradient(circle at 20% 15%, #0b2016 0%, #030605 46%, #000 100%);
  color: var(--text);
  font-family: "Consolas", "Courier New", monospace;
}

#matrix-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.5;
}

.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--panel-border);
  background: rgba(0, 8, 4, 0.72);
  backdrop-filter: blur(4px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 14px var(--neon);
}

.status-text,
#scene-indicator {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  color: #b9ffd2;
}

.story-shell {
  position: relative;
  z-index: 1;
  padding: 4.5rem 1rem 2rem;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.scene {
  width: min(960px, 100%);
  min-height: 75vh;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(18px) scale(0.99);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.scene.active {
  display: flex;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.panel {
  width: min(860px, 100%);
  padding: 1.6rem;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 14px;
}

.panel-center {
  text-align: center;
}

.scene-title {
  margin: 0 0 0.85rem;
  color: var(--neon-strong);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scene-copy,
.hint-text {
  margin: 0.4rem 0 1rem;
  color: var(--muted);
  line-height: 1.55;
}

.terminal-window {
  border: 1px solid rgba(99, 255, 174, 0.28);
  border-radius: 10px;
  background: rgba(0, 13, 6, 0.8);
  padding: 0.85rem;
  margin: 0.8rem 0 1rem;
  min-height: 130px;
}

.terminal-window.large {
  min-height: 280px;
}

.terminal-text {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.45;
  color: #b7ffd4;
}

.btn {
  border: 1px solid rgba(125, 255, 187, 0.48);
  border-radius: 9px;
  background: rgba(17, 68, 38, 0.64);
  color: var(--text);
  padding: 0.72rem 1.2rem;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 15px rgba(69, 255, 146, 0.24);
  background: rgba(27, 93, 54, 0.74);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
}

.rabbit-button {
  border: 1px solid rgba(144, 255, 191, 0.48);
  background: rgba(0, 21, 11, 0.84);
  color: #f4fff8;
  padding: 1rem;
  border-radius: 14px;
  width: min(420px, 100%);
  display: grid;
  gap: 0.25rem;
  margin: 1.1rem auto;
  cursor: pointer;
}

.rabbit-button:hover {
  box-shadow: 0 0 18px rgba(104, 255, 166, 0.35);
}

.rabbit-icon {
  font-size: 2.2rem;
}

.pill-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  margin: 1.2rem 0;
}

.pill {
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1rem;
  color: #0d1512;
  font-weight: 700;
  cursor: pointer;
}

.pill-blue {
  background: var(--blue-pill);
}

.pill-red {
  background: #ff5f66;
}

.memory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.memory-card {
  border: 1px solid rgba(104, 255, 176, 0.25);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0, 11, 7, 0.75);
}

.image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(140deg, rgba(12, 50, 28, 0.65), rgba(4, 14, 8, 0.9));
}

.image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.6rem;
  font-size: 0.84rem;
  color: #c6ffd9;
  background:
    linear-gradient(180deg, rgba(3, 16, 9, 0.7), rgba(3, 16, 9, 0.94)),
    repeating-linear-gradient(
      0deg,
      rgba(70, 255, 150, 0.09) 0,
      rgba(70, 255, 150, 0.09) 2px,
      transparent 2px,
      transparent 6px
    );
}

.memory-copy {
  padding: 0.75rem;
  color: #b4f8cd;
  line-height: 1.45;
  font-size: 0.92rem;
}

.mini-game {
  margin-top: 0.8rem;
  padding: 0.8rem;
  border: 1px solid rgba(102, 255, 174, 0.3);
  border-radius: 10px;
  background: rgba(0, 13, 8, 0.7);
}

.game-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
  color: #b8f9d0;
}

#steelcase-tease {
  color: #f5ff95;
  font-size: 0.9rem;
}

.key-field {
  min-height: 110px;
  display: grid;
  grid-template-columns: repeat(5, minmax(44px, 1fr));
  gap: 0.6rem;
}

.key-node {
  border: 1px solid rgba(123, 255, 190, 0.42);
  background: rgba(8, 45, 24, 0.85);
  color: #f2fff6;
  border-radius: 8px;
  min-height: 52px;
  font-size: 1.1rem;
  cursor: pointer;
}

.key-node.hit {
  background: rgba(47, 130, 79, 0.95);
}

.replace-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: grid;
  gap: 0.55rem;
}

.replace-item {
  border: 1px solid rgba(98, 255, 172, 0.26);
  background: rgba(0, 12, 7, 0.75);
  border-radius: 8px;
  padding: 0.72rem;
  opacity: 0;
  transform: translateX(-10px);
}

.replace-item.show {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.upgrade-track {
  width: min(500px, 100%);
  margin: 1rem auto;
  height: 20px;
  border-radius: 999px;
  border: 1px solid rgba(123, 255, 184, 0.4);
  background: rgba(2, 12, 8, 0.9);
  overflow: hidden;
}

.upgrade-fill {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #32ff8a, #d5ff4f);
  transition: width 1.9s ease;
}

.finale {
  text-align: center;
  background: radial-gradient(circle at center, rgba(16, 55, 33, 0.86), rgba(0, 9, 5, 0.9));
}

.finale-line {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0.5rem 0 0.8rem;
  color: #ecffb0;
  text-shadow: 0 0 14px rgba(244, 255, 157, 0.35);
}

.finale-copy {
  line-height: 1.6;
  color: #dbffe9;
}

.glitch {
  position: relative;
  animation: glitchPulse 2.8s infinite;
}

@keyframes glitchPulse {
  0%,
  92%,
  100% {
    text-shadow: none;
  }
  94% {
    text-shadow: 2px 0 #5eff9d;
  }
  96% {
    text-shadow: -2px 0 #ff6b7f;
  }
}

@media (max-width: 900px) {
  .memory-grid {
    grid-template-columns: 1fr;
  }

  .scene {
    min-height: 82vh;
  }

  .pill-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .app-header {
    padding: 0.7rem 0.75rem;
  }

  .status-text,
  #scene-indicator {
    font-size: 0.72rem;
  }

  .panel {
    padding: 1rem;
  }

  .key-field {
    grid-template-columns: repeat(4, minmax(40px, 1fr));
  }
}