/* 008-makefriends — 8-bit RPG style */

:root {
  --bg: #0f0e17;
  --card-bg: #1a1a2e;
  --border: #a78bfa;
  --border-dim: #4a3f6b;
  --primary: #a78bfa;
  --accent: #34d399;
  --pink: #ff6b9d;
  --yellow: #fbbf24;
  --text: #fffffe;
  --text-dim: #94a1b2;
  --pixel-font: 'Press Start 2P', monospace;
  --body-font: 'Noto Sans TC', -apple-system, sans-serif;
}

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

body {
  font-family: var(--body-font);
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  padding: 1rem;
  position: relative;
  overflow-x: hidden;
}

/* 掃描線 */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
}

.container {
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
}

/* Screens */
.screen {
  display: none;
}

.screen.active {
  display: block;
  animation: screenIn 0.3s ease;
}

@keyframes screenIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Pixel box — double border RPG style */
.pixel-box {
  background: var(--card-bg);
  border: 3px solid var(--border);
  box-shadow:
    0 0 0 3px var(--card-bg),
    0 0 0 6px var(--border-dim),
    0 0 30px rgba(167, 139, 250, 0.15);
  padding: 1.75rem 1.25rem;
  position: relative;
}

.pixel-box-inner {
  background: rgba(167, 139, 250, 0.08);
  border: 2px solid var(--border-dim);
  padding: 1rem;
}

/* ═══ Start Screen ═══ */
.start-card {
  text-align: center;
  padding: 2.5rem 1.25rem;
}

.pixel-stars {
  font-family: var(--pixel-font);
  font-size: 0.6rem;
  color: var(--yellow);
  letter-spacing: 0.5em;
  margin-bottom: 1.5rem;
  animation: twinkle 2s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.5; }
  to { opacity: 1; }
}

.title-8bit {
  font-family: var(--body-font);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 1rem;
  color: var(--text);
  text-shadow: 2px 2px 0 var(--border-dim);
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hint {
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  color: var(--border-dim);
  margin-top: 1rem;
  letter-spacing: 0.1em;
}

/* ═══ Buttons ═══ */
.btn-pixel {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  padding: 0.9rem 2rem;
  border: 3px solid var(--primary);
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  letter-spacing: 0.15em;
  transition: all 0.1s;
  position: relative;
}

.btn-pixel:active {
  background: var(--primary);
  color: var(--bg);
  transform: translate(2px, 2px);
}

.btn-pixel.blink {
  animation: blink-btn 1.2s step-end infinite;
}

@keyframes blink-btn {
  0%, 100% { border-color: var(--primary); color: var(--primary); }
  50% { border-color: var(--border-dim); color: var(--border-dim); }
}

.btn-small {
  font-size: 0.55rem;
  padding: 0.65rem 1.5rem;
}

/* ═══ Question Screen ═══ */
.question-card {
  padding: 1.5rem 1.25rem;
}

.stage-header {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.stage-label {
  font-family: var(--pixel-font);
  font-size: 0.7rem;
  color: var(--yellow);
  letter-spacing: 0.1em;
}

.stage-count {
  font-family: var(--pixel-font);
  font-size: 0.5rem;
  color: var(--border-dim);
}

/* HP bar */
.hp-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hp-bar-inner {
  flex: 1;
  height: 12px;
  background: #0d0d1a;
  border: 2px solid var(--border-dim);
  position: relative;
  overflow: hidden;
}

.hp-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.4s steps(10);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.4);
  /* 像素化步進 */
  image-rendering: pixelated;
}

.hp-pct {
  font-family: var(--pixel-font);
  font-size: 0.45rem;
  color: var(--accent);
  min-width: 2.5em;
  text-align: right;
}

/* Dialog box */
.dialog-box {
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid var(--border-dim);
  padding: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.dialog-box::before {
  content: '▼';
  position: absolute;
  bottom: 4px;
  right: 8px;
  font-size: 0.5rem;
  color: var(--border-dim);
  animation: bounce-arrow 1s ease-in-out infinite;
}

@keyframes bounce-arrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

.question-text {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.8;
  color: var(--text);
}

/* Options — RPG menu style */
.options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.option-btn {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 0.7rem 0.75rem 0.7rem 1.6rem;
  border: 2px solid transparent;
  background: rgba(167, 139, 250, 0.05);
  font-size: 0.85rem;
  line-height: 1.6;
  cursor: pointer;
  text-align: left;
  font-family: var(--body-font);
  color: var(--text-dim);
  transition: border-color 0.1s, color 0.1s, background 0.1s;
  position: relative;
}

.option-btn::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.85rem;
  font-size: 0.55rem;
  color: var(--primary);
}

.option-btn:hover,
.option-btn:active {
  border-color: var(--primary);
  color: var(--text);
  background: rgba(167, 139, 250, 0.12);
}

.option-btn:hover::before,
.option-btn:active::before {
  content: '▶';
}

.option-btn.selected {
  border-color: var(--accent);
  background: rgba(52, 211, 153, 0.15);
  color: var(--accent);
}

/* ═══ Result Screen ═══ */
.result-card {
  text-align: center;
  padding: 2rem 1.25rem;
}

.result-label {
  font-family: var(--pixel-font);
  font-size: 0.55rem;
  color: var(--yellow);
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
  animation: twinkle 1.5s ease-in-out infinite alternate;
}

.result-title-box {
  border-top: 2px solid var(--border-dim);
  border-bottom: 2px solid var(--border-dim);
  padding: 0.75rem 0;
  margin-bottom: 0.5rem;
}

.result-title-box h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-shadow: 2px 2px 0 rgba(167, 139, 250, 0.3);
  letter-spacing: 0.15em;
}

.result-tagline {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  font-style: italic;
}

.result-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text-dim);
  text-align: left;
  margin-bottom: 1.5rem;
}

/* App recommendations */
.apps-section {
  margin-bottom: 1.5rem;
  text-align: left;
}

.apps-label {
  font-family: var(--pixel-font);
  font-size: 0.45rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}

.app-rec {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0;
}

.app-rec + .app-rec {
  border-top: 1px solid var(--border-dim);
}

.app-rec strong {
  font-size: 0.9rem;
  color: var(--primary);
}

.app-rec span {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.result-actions {
  display: flex;
  justify-content: center;
}

/* ═══ Stage transition overlay ═══ */
.stage-flash {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 100;
  animation: flashIn 0.8s ease forwards;
}

.stage-flash span {
  font-family: var(--pixel-font);
  font-size: 0.8rem;
  color: var(--yellow);
  letter-spacing: 0.2em;
}

@keyframes flashIn {
  0% { opacity: 1; }
  60% { opacity: 1; }
  100% { opacity: 0; pointer-events: none; }
}

/* 8-bit 勇者 pixel art — 純 CSS box-shadow 繪製，3x 放大 */
.hero-sprite {
  width: 3px;
  height: 3px;
  background: transparent;
  transform: scale(3);
  animation: hero-walk 0.4s steps(1) infinite;
  image-rendering: pixelated;
}

/* 幀 1：站姿（左腳前） */
@keyframes hero-walk {
  0% {
    box-shadow:
      /* 頭髮 */
      3px -15px 0 var(--yellow), 6px -15px 0 var(--yellow), 9px -15px 0 var(--yellow),
      0px -12px 0 var(--yellow), 3px -12px 0 var(--yellow), 6px -12px 0 var(--yellow), 9px -12px 0 var(--yellow), 12px -12px 0 var(--yellow),
      /* 臉 */
      3px -9px 0 #ffcc99, 6px -9px 0 #ffcc99, 9px -9px 0 #ffcc99,
      /* 眼睛 */
      3px -9px 0 #333, 9px -9px 0 #333,
      /* 身體 */
      3px -6px 0 var(--primary), 6px -6px 0 var(--primary), 9px -6px 0 var(--primary),
      0px -3px 0 var(--primary), 3px -3px 0 var(--primary), 6px -3px 0 var(--primary), 9px -3px 0 var(--primary), 12px -3px 0 #ccc,
      /* 腿（左腳前） */
      3px 0px 0 #5544aa, 9px 0px 0 #5544aa,
      0px 3px 0 #5544aa, 12px 3px 0 #5544aa;
  }
  50% {
    box-shadow:
      /* 頭髮 */
      3px -15px 0 var(--yellow), 6px -15px 0 var(--yellow), 9px -15px 0 var(--yellow),
      0px -12px 0 var(--yellow), 3px -12px 0 var(--yellow), 6px -12px 0 var(--yellow), 9px -12px 0 var(--yellow), 12px -12px 0 var(--yellow),
      /* 臉 */
      3px -9px 0 #ffcc99, 6px -9px 0 #ffcc99, 9px -9px 0 #ffcc99,
      /* 眼睛 */
      3px -9px 0 #333, 9px -9px 0 #333,
      /* 身體 */
      3px -6px 0 var(--primary), 6px -6px 0 var(--primary), 9px -6px 0 var(--primary),
      0px -3px 0 var(--primary), 3px -3px 0 var(--primary), 6px -3px 0 var(--primary), 9px -3px 0 var(--primary), 12px -3px 0 #ccc,
      /* 腿（右腳前） */
      6px 0px 0 #5544aa, 6px 0px 0 #5544aa,
      3px 3px 0 #5544aa, 9px 3px 0 #5544aa;
  }
}

/* ═══ Mobile tweaks ═══ */
@media (max-width: 380px) {
  .pixel-box {
    padding: 1.25rem 1rem;
  }
  .title-8bit {
    font-size: 1.35rem;
  }
  .option-btn {
    font-size: 0.8rem;
    padding: 0.6rem;
  }
}