:root {
  --c-bg: #020408;
  --c-surface: #060d14;
  --c-primary: #00f5d4;
  --c-secondary: #f72585;
  --c-accent: #ffd60a;
  --c-dim: #0a1628;
  --c-text: #c8e6f5;
  --c-muted: #4a6a85;
  --c-glow: rgba(0,245,212,0.15);
  --c-glow2: rgba(247,37,133,0.15);
  --font-mono: 'Share Tech Mono', monospace;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
}

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

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  user-select: none;
}

/* CURSOR CUSTOM */
* { cursor: none !important; }
#cursor {
  position: fixed; width: 12px; height: 12px;
  background: var(--c-primary);
  border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  mix-blend-mode: screen;
  transition: transform 0.1s, background 0.2s;
  box-shadow: 0 0 8px var(--c-primary), 0 0 20px var(--c-primary);
}
#cursor.clicking { transform: translate(-50%,-50%) scale(0.5); background: var(--c-secondary); }
#cursor.hovering { transform: translate(-50%,-50%) scale(2); }
#cursorTrail {
  position: fixed; width: 32px; height: 32px;
  border: 1px solid var(--c-primary);
  border-radius: 50%;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  opacity: 0.4;
  transition: left 0.12s ease, top 0.12s ease, transform 0.2s;
}

/* CANVAS BG */
#bgCanvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

/* SCANLINES */
#scanlines {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none; z-index: 100;
  animation: scanMove 8s linear infinite;
}
@keyframes scanMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 100px; }
}

.hidden { display: none !important; }

/* ========== INTRO ========== */
#introScreen {
  position: fixed; inset: 0;
  background: #000;
  display: flex; align-items: center; justify-content: center;
  z-index: 500;
  cursor: none;
}
#introText { text-align: center; }
.intro-line {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--c-primary);
  opacity: 0;
  margin: 1rem 0;
  text-shadow: 0 0 20px var(--c-primary);
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}
.intro-line.show { opacity: 1; transform: translateY(0); }
.intro-skip {
  margin-top: 3rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--c-muted);
  animation: blink 1.2s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ========== MAIN MENU ========== */
#mainMenu {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  z-index: 200;
  opacity: 0;
  transition: opacity 0.8s ease;
}
#mainMenu.visible { opacity: 1; }

#menuBg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,245,212,0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(247,37,133,0.05) 0%, transparent 60%),
    var(--c-bg);
  z-index: 0;
}

/* HEADER */
#menuHeader {
  position: relative; z-index: 10;
  text-align: center;
  padding: 2rem 0 1rem;
}
.header-line {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-primary), var(--c-secondary), transparent);
  margin: 0.5rem 0;
}
#gameTitle {
  font-family: var(--font-display);
  display: flex; align-items: baseline;
  justify-content: center; gap: 1rem;
  line-height: 1;
}
.title-nexus {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  color: var(--c-primary);
  text-shadow:
    0 0 20px var(--c-primary),
    0 0 60px rgba(0,245,212,0.4),
    0 0 100px rgba(0,245,212,0.2);
  letter-spacing: 0.2em;
  animation: flickerTitle 8s infinite;
}
@keyframes flickerTitle {
  0%,95%,100% { opacity: 1; }
  96% { opacity: 0.7; }
  97% { opacity: 1; }
  98% { opacity: 0.6; }
  99% { opacity: 1; }
}
.title-chronicles {
  font-size: clamp(1rem, 2.5vw, 2.2rem);
  font-weight: 400;
  color: var(--c-secondary);
  letter-spacing: 0.5em;
  text-shadow: 0 0 15px var(--c-secondary);
}
.subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-muted);
  letter-spacing: 0.3em;
  margin-top: 0.5rem;
}

/* MENU CONTENT */
#menuContent {
  flex: 1;
  display: flex;
  position: relative; z-index: 10;
  padding: 2rem 4rem;
  gap: 3rem;
  overflow: hidden;
}

/* LEFT NAV */
#menuLeft { flex: 0 0 380px; display: flex; align-items: center; }
#mainNav { width: 100%; }

.nav-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.5rem;
  margin: 0.4rem 0;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.nav-item::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--c-glow);
  opacity: 0;
  transition: opacity 0.2s;
}
.nav-item:hover, .nav-item.active {
  color: var(--c-primary);
  border-color: var(--c-primary);
  text-shadow: 0 0 10px var(--c-primary);
}
.nav-item:hover::before, .nav-item.active::before { opacity: 1; }
.nav-item .nav-arrow { color: var(--c-secondary); font-size: 0.9rem; flex-shrink: 0; }
.nav-item .nav-text { flex: 1; }
.nav-item .nav-tag {
  font-size: 0.6rem;
  color: var(--c-accent);
  background: rgba(255,214,10,0.1);
  padding: 2px 6px;
  border: 1px solid var(--c-accent);
  letter-spacing: 0.1em;
}

/* RIGHT PANEL */
#menuRight { flex: 1; display: flex; align-items: center; }
#storyPanel {
  width: 100%;
  border: 1px solid rgba(0,245,212,0.2);
  background: rgba(6,13,20,0.8);
  padding: 2rem;
  position: relative;
}
#storyPanel::before {
  content: '';
  position: absolute; top: -1px; left: 20px; right: 20px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-primary), transparent);
}
.panel-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-secondary);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}
#storyText {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--c-text);
  min-height: 8em;
  white-space: pre-line;
}
#progressDisplay { margin-top: 2rem; }
.prog-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-muted);
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}
#progressBar {
  position: relative;
  height: 6px;
  background: var(--c-dim);
  border: 1px solid var(--c-muted);
  margin-bottom: 1rem;
}
#progFill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
  width: 0%;
  transition: width 1s ease;
  box-shadow: 0 0 8px var(--c-primary);
}
#progText {
  position: absolute; right: 0; top: -1.5rem;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--c-primary);
}
#stateGrid { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.state-node {
  width: 44px; height: 44px;
  border: 2px solid var(--c-primary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 700;
  color: var(--c-primary);
  background: rgba(0,245,212,0.05);
  position: relative;
  transition: all 0.3s;
  text-shadow: 0 0 6px var(--c-primary);
  box-shadow: 0 0 8px rgba(0,245,212,0.2), inset 0 0 8px rgba(0,245,212,0.05);
}
.state-node.locked {
  border-color: var(--c-muted);
  color: var(--c-muted);
  background: transparent;
  text-shadow: none;
  box-shadow: none;
}
.state-node.completed {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255,214,10,0.08);
  text-shadow: 0 0 6px var(--c-accent);
  box-shadow: 0 0 8px rgba(255,214,10,0.3);
}

/* FOOTER */
#menuFooter {
  position: relative; z-index: 10;
  display: flex; justify-content: space-between;
  padding: 0.8rem 4rem;
  border-top: 1px solid rgba(0,245,212,0.1);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--c-muted);
}

/* ========== DIALOGUE ========== */
#dialogueBox {
  position: fixed;
  bottom: 2rem; left: 50%; transform: translateX(-50%);
  width: min(90%, 800px);
  background: rgba(2,4,8,0.95);
  border: 1px solid var(--c-primary);
  border-bottom: 3px solid var(--c-secondary);
  padding: 1.5rem 2rem;
  z-index: 600;
  box-shadow: 0 0 30px rgba(0,245,212,0.2);
}
#dialogueSpeaker {
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  color: var(--c-secondary);
  text-shadow: 0 0 8px var(--c-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}
#dialogueText {
  font-family: var(--font-body); font-size: 1.1rem;
  color: var(--c-text); line-height: 1.6;
  min-height: 3em;
}
#dialogueChoices { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.dialogue-choice {
  padding: 0.5rem 1rem;
  border: 1px solid var(--c-muted);
  color: var(--c-muted);
  font-family: var(--font-mono); font-size: 0.85rem;
  transition: all 0.2s;
  background: transparent;
  text-align: left;
}
.dialogue-choice:hover {
  border-color: var(--c-primary); color: var(--c-primary);
  background: var(--c-glow);
}
#dialogueNext {
  margin-top: 0.8rem; text-align: right;
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--c-muted);
  animation: blink 1s step-end infinite;
}

/* ========== TRANSITION ========== */
#transitionOverlay {
  position: fixed; inset: 0;
  background: #000;
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
#transitionOverlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ========== HUD ========== */
#gameContainer {
  position: fixed; inset: 0;
  z-index: 300;
  display: flex; flex-direction: column;
}
#gameHUD {
  display: flex; align-items: center;
  padding: 0.5rem 1.5rem;
  background: rgba(2,4,8,0.9);
  border-bottom: 1px solid rgba(0,245,212,0.2);
  gap: 2rem; flex-shrink: 0;
}
#hudLeft { display: flex; align-items: center; gap: 1rem; }
#hudPlayerName { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; color: var(--c-primary); }
#hudHP { width: 120px; height: 8px; background: var(--c-dim); border: 1px solid var(--c-muted); }
#hudHPBar { height: 100%; width: 100%; background: linear-gradient(90deg, #f72585, #00f5d4); transition: width 0.3s; }
#hudCenter { flex: 1; text-align: center; display: flex; gap: 2rem; justify-content: center; }
#hudStrate { font-family: var(--font-display); font-size: 0.85rem; color: var(--c-accent); }
#hudScore { font-family: var(--font-mono); font-size: 0.85rem; color: var(--c-secondary); }
.hud-btn {
  font-family: var(--font-display); font-size: 0.75rem;
  background: transparent; border: 1px solid var(--c-muted);
  color: var(--c-muted); padding: 0.3rem 0.8rem;
  transition: all 0.2s;
}
.hud-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
#gameArea { flex: 1; position: relative; overflow: hidden; }

/* ========== PAUSE ========== */
#pauseMenu {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 700;
  backdrop-filter: blur(4px);
}
.pause-box {
  border: 1px solid var(--c-primary);
  background: var(--c-surface);
  padding: 3rem;
  text-align: center;
  min-width: 300px;
}
.pause-box h2 { font-family: var(--font-display); font-size: 2rem; color: var(--c-primary); margin-bottom: 2rem; }
.pause-btn {
  display: block; width: 100%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  background: transparent; border: 1px solid var(--c-muted); color: var(--c-muted);
  transition: all 0.2s;
  letter-spacing: 0.1em;
}
.pause-btn:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-glow); }

/* ========== CODEX ========== */
#codexOverlay, #settingsOverlay, #loadOverlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 700;
  backdrop-filter: blur(4px);
}
.codex-box {
  border: 1px solid var(--c-primary);
  background: var(--c-surface);
  padding: 2.5rem;
  width: min(90%, 700px);
  max-height: 80vh; overflow-y: auto;
}
.codex-title { font-family: var(--font-display); color: var(--c-primary); margin-bottom: 1.5rem; letter-spacing: 0.2em; }
.codex-entry { margin: 1.5rem 0; border-left: 3px solid var(--c-secondary); padding-left: 1rem; }
.codex-entry h3 { font-family: var(--font-display); color: var(--c-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; letter-spacing: 0.1em; }
.codex-entry p { font-family: var(--font-body); color: var(--c-text); font-size: 1rem; line-height: 1.6; }
.codex-close, .settings-close, .load-btn {
  margin-top: 1.5rem;
  padding: 0.7rem 2rem;
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 700;
  background: transparent; border: 1px solid var(--c-primary); color: var(--c-primary);
  letter-spacing: 0.1em; transition: all 0.2s;
}
.codex-close:hover, .settings-close:hover, .load-btn:hover { background: var(--c-glow); }

/* SETTINGS */
.settings-box {
  border: 1px solid var(--c-primary); background: var(--c-surface);
  padding: 2.5rem; width: min(90%, 500px);
}
.settings-box h2 { font-family: var(--font-display); color: var(--c-primary); margin-bottom: 2rem; }
.setting-row { display: flex; align-items: center; justify-content: space-between; margin: 1rem 0; }
.setting-row label { font-family: var(--font-mono); font-size: 0.85rem; color: var(--c-text); }
input[type=range] { accent-color: var(--c-primary); width: 150px; }
input[type=checkbox] { accent-color: var(--c-primary); width: 18px; height: 18px; }

/* LOAD */
.load-box {
  border: 1px solid var(--c-primary); background: var(--c-surface);
  padding: 2.5rem; text-align: center; min-width: 400px;
}
.load-box h2 { font-family: var(--font-display); color: var(--c-primary); margin-bottom: 2rem; font-size: 1rem; letter-spacing: 0.1em; }
#loadStatus { margin: 1rem 0; font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-accent); }
.load-btn { display: block; width: 100%; margin: 0.5rem 0; }

/* ========== GAME SCREENS (shared canvas styles) ========== */
#gameArea canvas {
  display: block; width: 100%; height: 100%;
}

/* Screen flash glitch effect */
@keyframes glitch {
  0% { transform: translate(0); filter: none; }
  20% { transform: translate(-2px, 1px); filter: hue-rotate(90deg); }
  40% { transform: translate(2px, -1px); filter: hue-rotate(-90deg); }
  60% { transform: translate(0); filter: none; }
  80% { transform: translate(1px, 2px); filter: saturate(200%); }
  100% { transform: translate(0); filter: none; }
}
.glitch { animation: glitch 0.3s ease; }