:root {
  --bg-deep: #030510;
  --neon-cyan: #00f0ff;
  --neon-magenta: #ff00aa;
  --neon-amber: #ffaa00;
  --text-dim: #6a7a8a;
  --panel: rgba(8, 20, 40, 0.92);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg-deep);
  color: #e8f0ff;
  font-family: "Share Tech Mono", monospace;
  overflow-x: hidden;
}

.screen {
  display: none;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.screen.active {
  display: flex;
}

/* —— Star Wars crawl —— */
#screen-crawl {
  perspective: 400px;
  background: radial-gradient(ellipse at center, #1a0a2e 0%, #000 70%);
}

.crawl-space {
  position: relative;
  width: 100%;
  max-width: 900px;
  height: 60vh;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, transparent 0%, black 15%, black 85%, transparent 100%);
}

.crawl-content {
  position: absolute;
  left: 50%;
  top: 100%;
  width: 85%;
  max-width: 720px;
  transform: translateX(-50%) rotateX(28deg);
  text-align: justify;
  animation: crawl 90s linear infinite;
}

@keyframes crawl {
  0% { top: 100%; opacity: 1; }
  95% { top: -200%; opacity: 1; }
  100% { top: -220%; opacity: 0; }
}

.crawl-title {
  font-family: "Orbitron", sans-serif;
  font-weight: 900;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  color: #ffe81f;
  text-align: center;
  text-shadow: 0 0 20px rgba(255, 232, 31, 0.5);
  margin-bottom: 2rem;
  line-height: 1.35;
}

.crawl-body {
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: #ffeedd;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

#screen-crawl .hint {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* —— Terminal briefing —— */
#screen-briefing {
  background:
    linear-gradient(180deg, rgba(0, 240, 255, 0.03) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 240, 255, 0.02) 2px, rgba(0, 240, 255, 0.02) 4px),
    var(--bg-deep);
}

.terminal {
  max-width: 640px;
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.2), inset 0 0 60px rgba(0, 80, 120, 0.15);
  padding: 2rem;
  background: var(--panel);
}

.terminal-header {
  font-family: "Orbitron", sans-serif;
  color: var(--neon-cyan);
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
}

.terminal-line {
  font-size: 1.15rem;
  line-height: 1.6;
  color: #b8fff8;
  margin-bottom: 1.25rem;
}

.glitch {
  position: relative;
  animation: glitch-skew 4s infinite linear alternate-reverse;
}

@keyframes glitch-skew {
  0%, 90%, 100% { transform: translate(0); }
  91% { transform: translate(-2px, 1px); }
  92% { transform: translate(2px, -1px); }
}

.terminal-sub {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.briefing-cheat {
  margin-bottom: 1.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(0, 240, 255, 0.15);
}

.briefing-cheat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  margin-bottom: 0.35rem;
}

.briefing-cheat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.briefing-pass-input {
  flex: 1;
  min-width: 140px;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.95rem;
  padding: 0.45rem 0.65rem;
  background: rgba(0, 20, 40, 0.8);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: #e8f0ff;
  border-radius: 4px;
}

.briefing-unlock-btn {
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  padding: 0.45rem 0.85rem;
  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  cursor: pointer;
  border-radius: 4px;
}

.briefing-unlock-btn:hover {
  background: rgba(0, 240, 255, 0.12);
}

.briefing-skip-row {
  margin-top: 1rem;
}

.briefing-skip-row.hidden {
  display: none;
}

.briefing-skip-title {
  font-size: 0.8rem;
  color: var(--neon-amber);
  margin: 0 0 0.5rem;
}

.briefing-skip-btn {
  display: block;
  width: 100%;
  max-width: 320px;
  margin-bottom: 0.45rem;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.82rem;
  padding: 0.5rem 0.75rem;
  text-align: left;
  background: rgba(40, 0, 50, 0.5);
  border: 1px solid var(--neon-magenta);
  color: #f8c8e8;
  cursor: pointer;
  border-radius: 4px;
}

.briefing-skip-btn:hover {
  background: rgba(255, 0, 170, 0.15);
}

.terminal-sub kbd {
  color: var(--neon-amber);
}

.hint {
  text-align: center;
  color: var(--neon-cyan);
  font-size: 1rem;
}

.hint.dim {
  color: var(--text-dim);
  margin-top: 1rem;
}

kbd {
  padding: 0.15em 0.45em;
  border: 1px solid var(--neon-cyan);
  border-radius: 4px;
  font-family: inherit;
}

/* —— Games —— */
.game-screen {
  padding-top: 0.5rem;
}

.game-header {
  text-align: center;
  margin-bottom: 0.75rem;
}

.game-header h2 {
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  color: var(--neon-magenta);
  margin: 0.25rem 0;
  text-shadow: 0 0 12px rgba(255, 0, 170, 0.4);
}

.level-tag {
  font-size: 0.75rem;
  color: var(--neon-cyan);
  letter-spacing: 0.15em;
}

.one-life {
  color: var(--neon-amber);
  font-size: 0.85rem;
  margin: 0.25rem 0 0;
}

.game-panel {
  width: 100%;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid rgba(0, 240, 255, 0.35);
  padding: 1.25rem;
  border-radius: 8px;
}

.game-panel.wide {
  max-width: 640px;
}

.controls-hint {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

canvas {
  display: block;
  margin: 0 auto;
  border: 2px solid rgba(0, 240, 255, 0.4);
  border-radius: 6px;
  background: #050a14;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.6);
  max-width: 100%;
  height: auto;
}

.hidden {
  display: none !important;
}

/* Blackjack UI */
.bj-table {
  text-align: center;
}
.bj-hands {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin: 1rem 0;
}
.bj-hand {
  min-width: 140px;
}
.bj-label {
  color: var(--neon-cyan);
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}
.bj-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  min-height: 72px;
}
.bj-card {
  width: 44px;
  height: 62px;
  background: linear-gradient(145deg, #fff 0%, #e0e0e0 100%);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #111;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.bj-card.red { color: #c00; }
.bj-card.back {
  background: linear-gradient(145deg, #1a3a6e, #0d1f40);
  color: transparent;
  border: 2px solid var(--neon-cyan);
}
.bj-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1rem;
}
.bj-actions button, .sf-select button, #btn-retry, #btn-play-again {
  font-family: "Orbitron", sans-serif;
  font-size: 0.8rem;
  padding: 0.6rem 1.2rem;
  background: transparent;
  border: 2px solid var(--neon-magenta);
  color: var(--neon-magenta);
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.bj-actions button:hover, .sf-select button:hover, #btn-retry:hover, #btn-play-again:hover {
  background: var(--neon-magenta);
  color: #fff;
}
.bj-msg {
  margin-top: 0.75rem;
  min-height: 1.5em;
  color: var(--neon-amber);
}

/* Street Fighter select */
.sf-select {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 720px;
  margin-bottom: 1rem;
}
.sf-select button {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}
.sf-select button:hover {
  background: var(--neon-cyan);
  color: #000;
}

/* Fifth grader */
.fg-question {
  font-size: 1.05rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}
.fg-choices {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.fg-choices button {
  text-align: left;
  padding: 0.65rem 1rem;
  background: rgba(0, 40, 60, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: #e8f0ff;
  font-family: inherit;
  cursor: pointer;
  border-radius: 4px;
}
.fg-choices button:hover {
  border-color: var(--neon-magenta);
  background: rgba(80, 0, 60, 0.4);
}
.fg-progress {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

/* Overlays */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.overlay.hidden {
  display: none;
}
.overlay-box {
  text-align: center;
  padding: 2.5rem;
  border: 2px solid var(--neon-cyan);
  background: var(--panel);
  max-width: 90%;
}
.overlay-box h2 {
  font-family: "Orbitron", sans-serif;
  color: var(--neon-cyan);
  margin-top: 0;
}
.overlay-box.lose h2 {
  color: #ff4466;
  border-color: #ff4466;
}
.overlay-box.lose {
  border-color: #ff4466;
}

/* Victory */
#screen-victory {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at center, #2a1040 0%, #050510 55%, #000 100%);
}

.victory-crowd {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
}

.victory-text {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.victory-text h1 {
  font-family: "Orbitron", sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 3rem);
  color: #ffe81f;
  text-shadow: 0 0 30px rgba(255, 200, 50, 0.6);
  margin-bottom: 1rem;
}

.crowd-line {
  font-size: 1.1rem;
  color: #c8d8f0;
  max-width: 520px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.lyric {
  font-style: italic;
  color: var(--neon-cyan);
  min-height: 1.5em;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.crowd-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;
  animation: cheer 0.8s ease-in-out infinite alternate;
}

@keyframes cheer {
  from { transform: translateY(0); opacity: 0.6; }
  to { transform: translateY(-6px); opacity: 1; }
}

/* —— Hell mode —— */
.hell-screen {
  background: #000;
}

.hacked-box {
  max-width: 640px;
  border: 2px solid #0f0;
  padding: 2rem;
  box-shadow: 0 0 40px rgba(0, 255, 0, 0.25), inset 0 0 60px rgba(0, 80, 0, 0.4);
  background: #030805;
  font-family: "Share Tech Mono", monospace;
}

.hacked-title {
  color: #0f0;
  font-family: "Orbitron", sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.2em;
  animation: hacked-pulse 0.8s step-end infinite;
  margin-top: 0;
}

@keyframes hacked-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hacked-msg {
  color: #8f8;
  line-height: 1.6;
  margin: 1.5rem 0;
}

.hell-checkpoint-hint {
  color: #af0;
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(170, 255, 0, 0.35);
  background: rgba(20, 40, 10, 0.5);
}

.hell-reset-btn {
  margin-top: 1rem;
  font-family: "Share Tech Mono", monospace;
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid #666;
  color: #999;
  cursor: pointer;
  border-radius: 4px;
}

.hell-reset-btn:hover {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

.hell-mode-line {
  color: #f44;
  font-size: 1.2rem;
  font-weight: bold;
}

.hell-mode-line span {
  text-shadow: 0 0 12px #f00;
}

.game-header.compact {
  margin-bottom: 0.35rem;
}

.game-header.compact .hell-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 0.25rem 0 0;
  max-width: 720px;
  text-align: center;
  line-height: 1.45;
}

.hell-wrap {
  position: relative;
  width: 100%;
  max-width: 920px;
}

.hell-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  z-index: 5;
}

.hell-overlay.heaven {
  background: radial-gradient(ellipse at center, #2a4080 0%, #0a1020 70%);
}

.hell-overlay.gun-flash {
  background: #600;
  animation: gun-flash 0.4s ease-out;
}

@keyframes gun-flash {
  from { background: #f00; }
  to { background: rgba(40, 0, 0, 0.95); }
}

.hell-movie {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16/9;
  background: #111;
  border: 3px solid #333;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hell-movie-title {
  font-family: "Orbitron", sans-serif;
  color: #c00;
  font-size: 1.4rem;
}

.hell-health-outer {
  width: 85%;
  height: 22px;
  border: 2px solid #888;
  margin-top: 2rem;
  background: #222;
}

.hell-health-inner {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #0a0, #8f0);
  transform-origin: left center;
  transition: transform 0.1s linear;
}

.hell4-root {
  width: 100%;
  max-width: 640px;
  min-height: 320px;
}

.hell4-panel {
  background: var(--panel);
  border: 1px solid var(--neon-magenta);
  padding: 1.25rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.hell4-panel h3 {
  font-family: "Orbitron", sans-serif;
  color: var(--neon-magenta);
  margin-top: 0;
}

.hell-type-input {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.6rem;
  background: #0a0a12;
  border: 1px solid var(--neon-cyan);
  color: #e8f0ff;
  margin: 0.75rem 0;
}

.hacker-fall {
  width: 120px;
  height: 160px;
  margin: 2rem auto;
  background: linear-gradient(180deg, #2a2a3a, #1a1020);
  border: 2px solid #f0f;
  position: relative;
  animation: hacker-fall 2.2s ease-in forwards;
  box-shadow: 0 0 30px rgba(255, 0, 255, 0.4);
}

@keyframes hacker-fall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(120vh) rotate(180deg); opacity: 0; }
}

.thanks-box {
  text-align: center;
  max-width: 560px;
  padding: 2rem;
}

.thanks-box h1 {
  font-family: "Orbitron", sans-serif;
  color: var(--neon-cyan);
  font-size: 2rem;
}

.thanks-main {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #c8d8f0;
  margin-bottom: 2rem;
}

.hell-spam-area {
  min-height: 180px;
  border: 2px dashed var(--neon-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  margin: 1rem 0;
  font-size: 1rem;
  color: var(--neon-amber);
}

.hell-spam-area:active {
  background: rgba(255, 170, 0, 0.1);
}