/* ═══════════════════════════════════════════
   $TRADE — Just One More Trade
   Video game UI / CRT aesthetic
   ═══════════════════════════════════════════ */

:root {
  --crt-black: #121318;
  --xp-blue: #4DDA6E;
  --crit-red: #FF4545;
  --loot-gold: #FFD93D;
  --screen-white: #D8DEE9;
  --hud-grey: #5A6270;
  --font-heading: 'Chakra Petch', sans-serif;
  --font-body: 'Lexend', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--crt-black);
  color: var(--screen-white);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Grid Background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(77,218,110,0.04) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(77,218,110,0.04) 0 1px, transparent 1px 40px);
}

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--loot-gold);
  background: rgba(18,19,24,0.95);
  border: 1px solid rgba(255,217,61,0.2);
  padding: 10px 24px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 9999;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── HUD Overlay ── */
#hud {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  z-index: 100;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 12px 20px;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.4s, transform 0.4s;
}
#hud.visible {
  opacity: 1;
  transform: translateY(0);
}

.hud-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.health-bar {
  width: 200px;
  height: 12px;
  border: 1px solid var(--xp-blue);
  border-radius: 2px;
  overflow: hidden;
  background: rgba(77,218,110,0.05);
}
.health-fill {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--crit-red), var(--loot-gold));
  transition: width 0.15s linear;
}
.health-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--hud-grey);
}
.health-bar.critical {
  animation: healthFlash 0.6s ease infinite;
}
@keyframes healthFlash {
  0%, 100% { border-color: var(--xp-blue); }
  50% { border-color: var(--crit-red); box-shadow: 0 0 8px rgba(255,69,69,0.4); }
}

.hud-right {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.trade-counter-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--hud-grey);
}
.trade-counter {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--loot-gold);
}

#milestone {
  position: fixed;
  top: 100px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--loot-gold);
  text-shadow: 0 0 12px rgba(255,217,61,0.5);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  z-index: 101;
}
#milestone.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── Nav ── */
.game-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 48px;
  background: rgba(18,19,24,0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(77,218,110,0.1);
}
.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--xp-blue);
  text-decoration: none;
  letter-spacing: 2px;
}
.nav-ca {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--hud-grey);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-ca:hover {
  color: var(--screen-white);
  background: rgba(77,218,110,0.08);
}
.nav-twitter {
  color: var(--hud-grey);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}
.nav-twitter:hover {
  color: var(--xp-blue);
}

/* ── Level Common ── */
.level {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.level-container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px;
  text-align: center;
}
.level-title {
  font-family: var(--font-heading);
  font-size: 28px;
  color: var(--screen-white);
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

/* ── LEVEL 0 — Title Screen ── */
.level-hero {
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('static/hero.png') center/cover no-repeat;
  opacity: 0.25;
  z-index: -2;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(18,19,24,0) 0%, rgba(18,19,24,0.85) 70%);
  z-index: -1;
}
.hero-content {
  text-align: center;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--hud-grey);
  letter-spacing: 4px;
  margin-bottom: 24px;
  animation: blink 1.2s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 32px;
}
.hero-title-top {
  font-family: var(--font-heading);
  font-size: clamp(48px, 10vw, 140px);
  font-weight: 700;
  color: var(--screen-white);
  letter-spacing: -2px;
  line-height: 1;
}
.hero-title-ticker {
  font-family: var(--font-heading);
  font-size: clamp(48px, 10vw, 140px);
  font-weight: 700;
  color: var(--xp-blue);
  letter-spacing: -2px;
  line-height: 1;
  text-shadow: 0 0 30px rgba(77,218,110,0.3);
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--hud-grey);
  max-width: 480px;
  line-height: 1.6;
  min-height: 52px;
  margin-bottom: 40px;
}
.hero-desc::after {
  content: '\258E';
  animation: cursorBlink 0.8s step-end infinite;
  color: var(--xp-blue);
  margin-left: 2px;
}
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-btn {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--xp-blue);
  background: transparent;
  border: 1px solid var(--xp-blue);
  padding: 14px 36px;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.25s;
  margin-bottom: 32px;
}
.hero-btn:hover {
  background: rgba(77,218,110,0.1);
  box-shadow: 0 0 20px rgba(77,218,110,0.15);
}

.hero-scroll-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--hud-grey);
  letter-spacing: 2px;
  opacity: 0.6;
  animation: gentlePulse 3s ease-in-out infinite;
}
@keyframes gentlePulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.3; }
}

/* ── LEVEL 1 — The First Hit ── */
.loading-tip {
  border-left: 2px solid var(--loot-gold);
  padding-left: 16px;
  margin-bottom: 32px;
  text-align: left;
}
.loading-tip p {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 14px;
  color: var(--loot-gold);
}

.progress-bar-track {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  margin-bottom: 32px;
  overflow: hidden;
}
.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--xp-blue);
  border-radius: 2px;
  transition: width 0.1s linear;
}

.time-blocks {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.time-block {
  border: 1px solid rgba(77,218,110,0.1);
  background: rgba(77,218,110,0.02);
  padding: 24px;
  border-radius: 4px;
}
.time-stamp {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--screen-white);
  display: block;
  margin-bottom: 8px;
  text-align: left;
}
.time-text {
  text-align: left;
}
.time-block.danger .time-stamp {
  color: var(--crit-red);
}
.time-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--hud-grey);
  line-height: 1.5;
}

/* ── LEVEL 2 — The Loop ── */
.loop-cycle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
}
.loop-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  transition: all 0.3s;
}
.loop-text {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--hud-grey);
  transition: color 0.4s, text-shadow 0.4s;
}
.loop-step.active .loop-text {
  color: var(--xp-blue);
  text-shadow: 0 0 16px rgba(77,218,110,0.3);
}
.loop-step[data-index="4"].active .loop-text {
  color: var(--loot-gold);
  text-shadow: 0 0 16px rgba(255,217,61,0.3);
}
.loop-arrow {
  font-size: 18px;
  color: rgba(90,98,112,0.4);
}
.loop-return {
  color: rgba(77,218,110,0.4);
}

.loop-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--hud-grey);
  text-align: center;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Tweet Embed ── */
.tweet-container {
  display: flex;
  justify-content: center;
  padding-top: 20px;
  padding-bottom: 20px;
}
.tweet-embed {
  width: 550px;
  max-width: 100%;
  transform: scale(1.22);
  transform-origin: center center;
}
.tweet-embed iframe {
  width: 100%;
  min-height: 350px;
  border-radius: 8px;
}
.boss-subtext {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--hud-grey);
  text-align: center;
}

/* ── LEVEL 5 — Insert Coin ── */
.arcade-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.arcade-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: 1px solid rgba(77,218,110,0.1);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.arcade-continue {
  color: var(--xp-blue);
  animation: arcadeBlink 1.2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes arcadeBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.arcade-instruction {
  color: var(--screen-white);
  flex: 1;
  text-align: center;
  padding: 0 12px;
}
.arcade-num {
  color: var(--hud-grey);
}
.arcade-coin {
  color: var(--loot-gold);
  flex-shrink: 0;
}
.arcade-gameover {
  color: var(--crit-red);
}

/* ── GAME OVER — Footer ── */
#gameOver {
  background: #0A0B0F;
  padding: 80px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.gameover-content {
  max-width: 480px;
  margin: 0 auto;
}
.gameover-title {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  color: var(--crit-red);
  animation: gameoverBlink 3s ease-in-out infinite;
  margin-bottom: 16px;
}
@keyframes gameoverBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.gameover-continue {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--hud-grey);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.gameover-tagline {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 13px;
  color: var(--hud-grey);
  animation: gentlePulse 3s ease-in-out infinite;
  margin-bottom: 24px;
}
.gameover-counter {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--loot-gold);
  margin-bottom: 32px;
}
.gameover-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.gameover-link {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--hud-grey);
  text-decoration: none;
  letter-spacing: 1px;
  padding: 8px 16px;
  border: 1px solid rgba(90,98,112,0.3);
  border-radius: 4px;
  transition: all 0.2s;
}
.gameover-link:hover {
  color: var(--xp-blue);
  border-color: var(--xp-blue);
}
.gameover-link-buy {
  color: var(--loot-gold);
  border-color: rgba(255,217,61,0.3);
}
.gameover-link-buy:hover {
  border-color: var(--loot-gold);
  box-shadow: 0 0 12px rgba(255,217,61,0.15);
}

/* ── Scroll Reveal ── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-title-top,
  .hero-title-ticker {
    font-size: clamp(36px, 12vw, 80px);
  }
  .health-bar {
    width: 120px;
    height: 8px;
  }
  #hud {
    padding: 8px 12px;
  }
  .trade-counter {
    font-size: 14px;
  }
  .level-container {
    padding: 48px 16px;
  }
  .level-title {
    font-size: 24px;
  }
  .loop-text {
    font-size: 16px;
  }
  .boss-quote {
    padding: 24px;
  }
  .boss-quote-text {
    font-size: 16px;
  }
  .arcade-step {
    font-size: 11px;
    padding: 12px 12px;
  }
  .gameover-title {
    font-size: 36px;
  }
  .achievement {
    padding: 12px 14px;
    gap: 12px;
  }
  .nav-ca {
    font-size: 9px;
    max-width: 160px;
  }
}

@media (max-width: 480px) {
  .hero-title-top,
  .hero-title-ticker {
    font-size: clamp(28px, 14vw, 56px);
  }
  .hero-desc {
    font-size: 14px;
  }
  .arcade-continue {
    display: none;
  }
  .health-bar {
    width: 80px;
  }
  .gameover-links {
    flex-direction: column;
    gap: 12px;
  }
}