/* ============================================
   Code Play — Neon Cyberpunk Terminal Theme
   AI Companion Couples Game
   ============================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Fira+Code:wght@300;400;500&display=swap');

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

/* --- Root Variables --- */
:root {
  --bg-deep: #050816;
  --bg-dark: #0a0e27;
  --bg-panel: #0d1137;
  --bg-card: #111640;
  --bg-terminal: #080c1a;

  /* Category Colours */
  --neon-cyan: #00f0ff;      /* Date Ideas */
  --neon-pink: #ff00aa;      /* Spicy */
  --neon-purple: #a855f7;    /* Deep */
  --neon-green: #00ff88;     /* Q&A */
  --neon-orange: #ff6b35;    /* Role Play */
  --neon-gold: #ffd700;      /* Truths */
  --neon-blue: #3b82f6;

  --text-primary: #e8e6f0;
  --text-dim: #8b88a2;
  --text-glow: #c4b5fd;
  --text-terminal: #00ff88;

  --glass-bg: rgba(13, 17, 55, 0.6);
  --glass-border: rgba(0, 240, 255, 0.15);

  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Body --- */
body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Starfield background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(88, 28, 135, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(255, 0, 170, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Utility --- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* --- Navigation --- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 2rem;
}

.nav-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
  letter-spacing: 3px;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-back {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-back:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* --- Landing Page --- */
.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 85vh;
  text-align: center;
  gap: 3rem;
}

.landing-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.landing-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: 6px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.landing-subtitle {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 4px;
  text-transform: uppercase;
}

/* --- Category Grid --- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
  width: 100%;
  max-width: 700px;
}

.category-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.5rem 1.2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.category-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.category-btn > * {
  position: relative;
  z-index: 1;
}

.category-btn:hover {
  transform: translateY(-3px);
}

/* Category-specific colours */
.category-btn[data-category="date"]    { --cat-color: var(--neon-cyan); }
.category-btn[data-category="qa"]      { --cat-color: var(--neon-green); }
.category-btn[data-category="spicy"]   { --cat-color: var(--neon-pink); }
.category-btn[data-category="deep"]    { --cat-color: var(--neon-purple); }
.category-btn[data-category="roleplay"]{ --cat-color: var(--neon-orange); }
.category-btn[data-category="truths"]  { --cat-color: var(--neon-gold); }

.category-btn:hover {
  border-color: var(--cat-color);
  box-shadow: 0 0 20px color-mix(in srgb, var(--cat-color) 30%, transparent),
              inset 0 0 30px color-mix(in srgb, var(--cat-color) 5%, transparent);
}

.category-btn::before {
  background: linear-gradient(135deg, color-mix(in srgb, var(--cat-color) 8%, transparent), transparent);
}

.category-btn:hover::before {
  opacity: 1;
}

.category-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 8px var(--cat-color));
}

.category-name {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cat-color);
}

.category-tagline {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.4;
}

/* --- Terminal Window --- */
.terminal-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 75vh;
  gap: 2rem;
  padding-top: 1rem;
}

.terminal-window {
  width: 100%;
  max-width: 750px;
  background: var(--bg-terminal);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 30px rgba(0, 240, 255, 0.05),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1.2rem;
  background: rgba(0, 240, 255, 0.03);
  border-bottom: 1px solid var(--glass-border);
}

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

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  opacity: 0.7;
}

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #ffbd2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  font-family: 'Fira Code', 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.terminal-body {
  padding: 2rem 2rem 2.5rem;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Category badge */
.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  align-self: flex-start;
}

.category-badge[data-category="date"] {
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  background: rgba(0, 240, 255, 0.05);
}

.category-badge[data-category="qa"] {
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 136, 0.3);
  background: rgba(0, 255, 136, 0.05);
}

.category-badge[data-category="spicy"] {
  color: var(--neon-pink);
  border: 1px solid rgba(255, 0, 170, 0.3);
  background: rgba(255, 0, 170, 0.05);
}

.category-badge[data-category="deep"] {
  color: var(--neon-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.05);
}

.category-badge[data-category="roleplay"] {
  color: var(--neon-orange);
  border: 1px solid rgba(255, 107, 53, 0.3);
  background: rgba(255, 107, 53, 0.05);
}

.category-badge[data-category="truths"] {
  color: var(--neon-gold);
  border: 1px solid rgba(255, 215, 0, 0.3);
  background: rgba(255, 215, 0, 0.05);
}

/* --- Truths specific --- */
.truth-prompt {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.truth-input-area {
  width: 100%;
  min-height: 60px;
  padding: 1rem 1.2rem;
  background: rgba(255, 215, 0, 0.03);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 8px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--neon-gold);
  text-align: center;
  line-height: 1.6;
  margin-top: 0.5rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.truth-input-area.visible {
  opacity: 1;
}

.truth-rule {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--neon-gold);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
  text-align: center;
  margin-top: 1rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.truth-rule.visible {
  opacity: 1;
}

/* Terminal text */
.terminal-status {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.8;
}

.terminal-status .prefix {
  color: var(--neon-green);
}

.terminal-prompt-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  min-height: 80px;
}

.terminal-prompt-text .cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--neon-cyan);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.8s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Scramble character styling */
.char-scramble {
  color: var(--text-dim);
  opacity: 0.5;
}

.char-locked {
  color: var(--text-primary);
  opacity: 1;
}

/* --- Q&A specific --- */
.qa-block {
  margin-bottom: 1.2rem;
}

.qa-number {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.qa-number.visible {
  opacity: 1;
}

.qa-number[data-n="1"] { color: var(--neon-green); }
.qa-number[data-n="2"] { color: var(--neon-cyan); }
.qa-number[data-n="3"] { color: var(--neon-purple); }

/* --- Spicy specific --- */
.spicy-or {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--neon-pink);
  text-shadow: 0 0 15px rgba(255, 0, 170, 0.5);
  text-align: center;
  padding: 0.8rem 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.spicy-or.visible {
  opacity: 1;
}

/* --- Role Play specific --- */
.rp-field {
  margin-bottom: 1rem;
}

.rp-label {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.rp-label.visible {
  opacity: 1;
}

.rp-label[data-field="setting"]   { color: var(--neon-orange); }
.rp-label[data-field="mood"]      { color: var(--neon-pink); }
.rp-label[data-field="starter"]   { color: var(--neon-cyan); }
.rp-label[data-field="setup"]     { color: var(--neon-purple); }

/* --- Date style tags --- */
.date-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.date-tags.visible {
  opacity: 1;
}

.date-tag {
  font-family: 'Orbitron', monospace;
  font-size: 0.55rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 20px;
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.05);
}

/* --- Buttons --- */
.btn {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.9rem 2rem;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--neon-cyan);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: -1;
}

.btn:hover {
  color: var(--bg-deep);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4), inset 0 0 20px rgba(0, 240, 255, 0.1);
}

.btn:hover::before {
  opacity: 1;
}

.btn--pink {
  border-color: var(--neon-pink);
  color: var(--neon-pink);
}

.btn--pink::before { background: var(--neon-pink); }
.btn--pink:hover {
  box-shadow: 0 0 20px rgba(255, 0, 170, 0.4), inset 0 0 20px rgba(255, 0, 170, 0.1);
}

.btn--ghost {
  border-color: var(--text-dim);
  color: var(--text-dim);
  font-size: 0.65rem;
  padding: 0.6rem 1.5rem;
}

.btn--ghost::before { background: var(--text-dim); }
.btn--ghost:hover { color: var(--bg-deep); }

.terminal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 1rem;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 2rem 0;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.8rem;
  color: var(--text-dim);
  opacity: 0.5;
  letter-spacing: 1px;
}

.footer a {
  color: var(--neon-cyan);
  text-decoration: none;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.slide-up {
  animation: slideUp 0.8s ease forwards;
}

/* --- Scanline overlay (subtle) --- */
.terminal-window::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 240, 255, 0.008) 2px,
    rgba(0, 240, 255, 0.008) 4px
  );
  pointer-events: none;
  z-index: 2;
  border-radius: 12px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(0, 240, 255, 0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 240, 255, 0.4); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .category-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .terminal-body {
    padding: 1.5rem 1.2rem 2rem;
  }

  .terminal-prompt-text {
    font-size: 1.15rem;
  }

  .terminal-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

  .nav {
    padding: 1rem 0;
  }
}

@media (max-width: 480px) {
  .landing-title {
    letter-spacing: 3px;
  }

  .category-btn {
    padding: 1.2rem 1rem;
  }

  .terminal-body {
    padding: 1.2rem 1rem 1.5rem;
    min-height: 250px;
  }
}