/* ─── Reset & Variables ────────────────────────────────────────── */

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

:root {
  --green: #00ff64;
  --green-dim: #00cc50;
  --green-glow: rgba(0, 255, 100, 0.12);
  --red: #ff2244;
  --amber: #ffaa00;
  --bg: #000;
  --bg2: #080808;
  --bg3: #111;
  --border: #1a1a1a;
  --text: #ddd;
  --text-dim: #444;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }

html { scroll-behavior: auto; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: crosshair;
}

::selection { background: var(--green); color: var(--bg); }

canvas { display: block; }

/* ─── Loader ──────────────────────────────────────────────────── */

#loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner { text-align: center; }

.loader-text {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 8px;
  animation: loaderPulse 1.2s ease-in-out infinite;
}

.loader-status {
  display: block;
  margin-top: 16px;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ─── CRT Effects ─────────────────────────────────────────────── */

/* CRT barrel distortion — applied to entire page content */
.crt-screen {
  position: fixed;
  inset: -4px;
  pointer-events: none;
  z-index: 9996;
  border-radius: 18px;
  box-shadow:
    inset 0 0 80px rgba(0, 0, 0, 0.6),
    inset 0 0 20px rgba(0, 0, 0, 0.3);
}

/* Barrel curvature via SVG filter on body */
body {
  overflow-x: hidden;
}

/* Vignette + curvature overlay */
.crt-overlay {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  border-radius: 14px;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.75) 100%);
  box-shadow:
    inset 0 0 120px 40px rgba(0, 0, 0, 0.4),
    inset 0 2px 4px rgba(0, 255, 100, 0.02),
    inset 0 -2px 4px rgba(0, 255, 100, 0.02);
}

/* Slight bezel/frame effect */
.crt-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 1px solid rgba(40, 40, 40, 0.5);
  box-shadow: 0 0 1px rgba(0, 255, 100, 0.05);
}

/* Reflection glare on CRT glass */
.crt-overlay::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 50%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.015) 0%,
    transparent 60%
  );
  border-radius: 14px 14px 0 0;
  pointer-events: none;
}

.scanlines {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9998;
  border-radius: 14px;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 1px,
    rgba(0, 0, 0, 0.13) 1px,
    rgba(0, 0, 0, 0.13) 3px
  );
  animation: scanlineFlicker 0.05s linear infinite;
}

@keyframes scanlineFlicker {
  0% { opacity: 0.85; }
  50% { opacity: 0.95; }
  100% { opacity: 0.85; }
}

/* RGB sub-pixel pattern overlay (CRT phosphor dots) */
.crt-rgb-dots {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9997;
  opacity: 0.03;
  background-image:
    repeating-linear-gradient(
      90deg,
      rgba(255, 0, 0, 1) 0px, rgba(255, 0, 0, 1) 1px,
      rgba(0, 255, 0, 1) 1px, rgba(0, 255, 0, 1) 2px,
      rgba(0, 0, 255, 1) 2px, rgba(0, 0, 255, 1) 3px
    );
  background-size: 3px 1px;
}

.cursor-glow {
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 2;
  opacity: 0;
  transition: opacity 0.4s;
}

body:hover .cursor-glow { opacity: 1; }

/* ─── Hero ────────────────────────────────────────────────────── */

#hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#heroCanvas {
  width: 100%;
  height: 60vh;
  max-height: 500px;
}

.hero-bottom {
  position: absolute;
  bottom: 40px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 40px;
}

.hero-tagline {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 1px;
  max-width: 400px;
}

.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-cue span {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--text-dim);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.3; }
  50% { transform: scaleY(0.4); opacity: 1; }
}

/* ─── Statement ───────────────────────────────────────────────── */

#statement {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
}

.statement-inner {
  max-width: 1200px;
  width: 100%;
}

.statement-code {
  font-size: clamp(40px, 8vw, 120px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 40px;
}

.statement-code .char {
  display: inline-block;
  transition: color 0.3s;
}

.statement-sub {
  font-size: clamp(14px, 1.8vw, 20px);
  font-weight: 300;
  color: var(--text-dim);
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 12px;
}

.statement-sub .char {
  display: inline-block;
}

.statement-sub2 {
  font-size: clamp(14px, 1.8vw, 20px);
  font-weight: 400;
  color: var(--green-dim);
  line-height: 1.8;
  max-width: 700px;
}

.statement-sub2 .char {
  display: inline-block;
}

/* ─── Tracks (Pinned Scroll) ──────────────────────────────────── */

#tracks-wrap {
  position: relative;
}

.tracks-sticky {
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

#trackCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.track-info {
  position: absolute;
  bottom: 40px;
  left: 40px;
  z-index: 10;
}

.track-num-wrap {
  margin-bottom: 12px;
}

.track-num {
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
}

.track-total {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: 4px;
}

.track-desc {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
  transition: opacity 0.3s;
}

.track-desc-en {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 16px;
  transition: opacity 0.3s;
}

.track-intensity-bar {
  width: 200px;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
  margin-bottom: 6px;
}

.track-intensity-fill {
  height: 100%;
  background: var(--green);
  transition: width 0.5s ease, background 0.5s ease, box-shadow 0.5s ease;
  box-shadow: 0 0 8px var(--green-glow);
}

.track-intensity-label {
  font-size: 10px;
  color: var(--text-dim);
}

/* ─── Lab ─────────────────────────────────────────────────────── */

#lab {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px 80px;
}

.lab-header {
  margin-bottom: 30px;
}

.lab-title {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.lab-comment {
  font-size: 11px;
  color: #333;
}

.lab-main {
  position: relative;
  width: 100%;
  height: 350px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 20px;
}

#labCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

#labPixi {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: none;
}

#labPixi.active {
  display: block;
  pointer-events: auto;
}

#labPixi canvas {
  width: 100% !important;
  height: 100% !important;
}

.lab-controls {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.lab-controls label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-dim);
}

.lab-controls input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 2px;
  background: #333;
  outline: none;
  border-radius: 1px;
}

.lab-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px; height: 10px;
  background: var(--green);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 6px var(--green-glow);
}

.ctrl-val {
  color: var(--green);
  min-width: 30px;
  text-align: right;
  font-size: 11px;
}

.mode-toggle {
  margin-left: auto;
}

.mode-btn {
  background: var(--bg);
  border: 1px solid #222;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 3px;
  margin-left: 4px;
  transition: all 0.2s;
}

.mode-btn.active {
  color: var(--green);
  border-color: var(--green-dim);
}

.mode-btn:hover {
  border-color: #444;
}

#labText {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 15px;
  resize: vertical;
  min-height: 44px;
  outline: none;
  transition: border-color 0.3s;
}

#labText:focus { border-color: var(--green-dim); }
#labText::placeholder { color: #222; }

/* ─── Typography Previews ────────────────────────────────────── */

#typo-previews {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 40px;
}

.preview-header {
  margin-bottom: 40px;
}

.preview-block {
  margin-bottom: 60px;
}

.preview-label {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.preview-block canvas {
  display: block;
  width: 100%;
  height: 300px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 16px;
}

#dripCanvas {
  background: #000 !important;
}

.preview-controls {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.preview-controls label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-dim);
}

.preview-controls input[type="text"] {
  width: 120px;
  padding: 4px 8px;
  background: var(--bg);
  border: 1px solid #222;
  border-radius: 3px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 12px;
  outline: none;
  text-transform: uppercase;
}

.preview-controls input[type="text"]:focus {
  border-color: var(--green-dim);
}

.preview-controls input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 2px;
  background: #333;
  outline: none;
  border-radius: 1px;
}

.preview-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 6px var(--green-glow);
}

.preview-controls span:last-child {
  color: var(--green);
  min-width: 30px;
  text-align: right;
}

/* ─── Footer ──────────────────────────────────────────────────── */

footer {
  padding: 100px 40px 40px;
  text-align: center;
}

.exit-log {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.8;
  margin-bottom: 30px;
  opacity: 0.4;
}

.footer-credit {
  font-size: 11px;
  color: #222;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.footer-typo {
  font-size: 10px;
  color: #1a1a1a;
  letter-spacing: 1px;
}

/* ─── Haptic Toggle ───────────────────────────────────────────── */

.haptic-toggle {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  border: 1px solid #1a1a1a;
  color: var(--green);
  font-family: var(--mono);
  font-size: 10px;
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.3s;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  gap: 5px;
}

.haptic-toggle:hover { border-color: var(--green-dim); }
.haptic-toggle.off { color: var(--text-dim); }
.haptic-toggle.off .haptic-icon { opacity: 0.3; }
.haptic-icon { font-size: 12px; transition: opacity 0.3s; }

/* ─── Responsive ──────────────────────────────────────────────── */

@media (max-width: 768px) {
  .hero-bottom { flex-direction: column; align-items: center; gap: 20px; padding: 0 20px; }
  .hero-tagline { text-align: center; }
  #statement { padding: 60px 20px; }
  .track-info { left: 20px; bottom: 20px; }
  .track-intensity-bar { width: 140px; }
  #lab { padding: 60px 20px 60px; }
  .lab-controls { gap: 12px; }
  .mode-toggle { margin-left: 0; }
  .lab-main { height: 260px; }
}

@media (max-width: 480px) {
  .statement-code { font-size: 32px; }
  .statement-sub, .statement-sub2 { font-size: 13px; }
  .lab-main { height: 200px; }
}