/* ---------------- Chapter Cards ---------------- */

.chapter-card {
  position: relative;
  max-width: 440px;
  width: 100%;
  padding: 32px 34px;
  background: var(--card-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  opacity: 0;
  transform: translateY(40px);
  pointer-events: auto;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.chapter-1, .chapter-2, .chapter-3, .chapter-4, .chapter-5 {
  position: relative;
}

.chapter-1 .chapter-card {
  opacity: 1;
  transform: translateY(0);
}

.chapter-card:hover {
  border-color: var(--card-border-glow);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.8), 0 0 30px rgba(184, 229, 63, 0.12);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

/* ---------------- Chapter 2: Diagnostic Box ---------------- */

.diagnostic-box {
  margin-top: 20px;
  background: rgba(10, 14, 10, 0.85);
  border: 1px solid rgba(184, 229, 63, 0.2);
  border-radius: var(--radius-md);
  padding: 14px;
  position: relative;
  overflow: hidden;
}

.diagnostic-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanline 3s linear infinite;
}

.diagnostic-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
  color: var(--accent);
}

.diag-title {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulseDot 1.4s infinite;
}

.diag-rate {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.4);
  font-size: 9px;
}

.diag-body code {
  display: block;
  font-size: 11px;
  color: #c9dbc0;
  line-height: 1.6;
}

/* ---------------- Chapter 3: Quote Pill ---------------- */

.quote-pill {
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(230, 161, 92, 0.08);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 12px;
  line-height: 1.6;
  color: #ebdcb5;
  display: flex;
  gap: 10px;
}

.quote-mark {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1;
  color: var(--accent-gold);
}

/* ---------------- Chapter 4: Code Patch Widget ---------------- */

.code-patch-widget {
  margin-top: 20px;
  background: #111711;
  border: 1px solid rgba(184, 229, 63, 0.25);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.patch-header {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.patch-badge {
  font-size: 9px;
  letter-spacing: 0.16em;
  padding: 2px 8px;
  background: rgba(184, 229, 63, 0.15);
  color: var(--accent);
  border-radius: 4px;
  border: 1px solid rgba(184, 229, 63, 0.3);
}

.copy-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  border-color: var(--accent);
  background: rgba(184, 229, 63, 0.1);
  color: var(--accent);
}

.copy-btn.copied {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
}

.patch-code {
  padding: 14px 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: #d2dfc3;
  overflow-x: auto;
}

.patch-code .kw { color: var(--accent-gold); }
.patch-code .fn { color: var(--accent-cyan); }

/* ---------------- Chapter 5: Finale Card & Terminal ---------------- */

.ending {
  margin: 0 auto;
}

.ending-card {
  max-width: 580px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 38px;
  background: var(--card-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  opacity: 0;
  transform: translateY(40px);
  pointer-events: auto;
}

.ending-desc {
  max-width: 440px;
  margin: 16px auto 26px;
}

/* Terminal Simulator */
.terminal-container {
  background: #0f140f;
  border: 1px solid rgba(184, 229, 63, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 28px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.terminal-bar {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

.terminal-screen {
  padding: 16px 20px;
  min-height: 90px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
}

.term-line {
  margin: 2px 0;
}

.prompt-line {
  color: #ffffff;
  display: flex;
  gap: 8px;
}

.term-prompt {
  color: var(--accent);
  font-weight: bold;
}

.term-cmd {
  color: #ffffff;
}

.term-success {
  color: var(--accent);
  margin-top: 4px;
}

.term-dim {
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
}

.terminal-chips {
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-label {
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
}

.chip-btn {
  background: rgba(184, 229, 63, 0.08);
  border: 1px solid rgba(184, 229, 63, 0.2);
  color: var(--accent);
  padding: 3px 9px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip-btn:hover {
  background: var(--accent);
  color: #111;
  transform: translateY(-1px);
}

/* ---------------- Keyframe Animations ---------------- */

@keyframes logoPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.75; }
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(4000%); }
}

@keyframes mouseScroll {
  0% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.3; }
  100% { transform: translateY(0); opacity: 1; }
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes soundBar {
  0%, 100% { height: 3px; }
  50% { height: 12px; }
}

/* ---------------- Mobile Responsive Design ---------------- */

@media (max-width: 860px) {
  .hero-ui {
    padding: 16px 20px;
  }

  .chapter {
    padding: 20px;
    align-items: flex-end;
    padding-bottom: 15vh;
  }

  .chapter-card {
    max-width: 100%;
    padding: 24px 20px;
  }

  .chapter-copy.left, .chapter-copy.right {
    margin-left: 0;
    margin-right: 0;
  }

  .chapter-dock {
    right: 50%;
    bottom: 20px;
    top: auto;
    transform: translateX(50%);
    flex-direction: row;
    padding: 6px 12px;
  }

  .dock-tooltip {
    display: none;
  }

  .scroll-hint {
    display: none;
  }

  .ending-actions {
    flex-direction: column;
    gap: 12px;
  }

  .action-btn {
    width: 100%;
    justify-content: center;
  }

  .cursor-glow {
    display: none;
  }
}