/* ==========================================================================
   Vorayote Kaewchit — UI/UX inspired by YEAR0001 (Assetsss reference)
   Typography: DIN/Akkurat-Mono → Inter/IBM Plex Mono; easing: cubic-bezier(0,0,0.2,1)
   ========================================================================== */

/* ==========================================================================
   Design tokens — spacing (4/8/12/16/24/32px), typography, colors, radius, shadows
   ========================================================================== */
:root {
  --content-max: 560px;
  --header-h: 60px;
  --breakpoint-nav: 768px;

  /* Spacing scale (4px base) */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --section-padding-y: clamp(2rem, 5vw, 4rem);
  --section-padding-x: clamp(1rem, 4vw, 2rem);

  /* Radius & shadows */
  --radius-sm: 2px;
  --radius-md: 4px;
  --shadow-panel: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-accent: 0 0 12px rgba(227, 6, 19, 0.4);

  /* Typography */
  --font-mono: "IBM Plex Mono", "Akkurat-Mono", monospace;
  --font-sans: "Inter", "DIN", Helvetica, Arial, sans-serif;
  --title-size: clamp(36px, 7vw, 56px);
  --line-height-tight: 1.2;
  --line-height-body: 1.5;
  --viz-font-size: 10px;
  --viz-title-size: 18px;
  --viz-letter-spacing: 0.15em;

  /* Easing */
  --ease-year: cubic-bezier(0, 0, 0.2, 1);
  --transition-year: 0.25s var(--ease-year);
  --transition-fast: 0.15s var(--ease-year);

  /* Colors — Winamp / vaporwave palette */
  --bg-light: #0d0d0d;
  --bg-dark: #000000;
  --text-dark: #ffffff;
  --text-light: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.85);
  --text-gray: rgba(255, 255, 255, 0.7);
  --hero-bg: #0a0a0a;
  --nav-bg: #0d0d0d;
  --accent-red: #e30613;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --msapplication-TileColor: #0d0d0d;
  --theme-color: #0d0d0d;
}

/* YEAR0001 typography classes (from Assetsss application CSS) */
.typography-nav {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  font-style: normal;
}
.typography-h1 {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 400;
  font-style: normal;
}
.typography-h2 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
  font-style: normal;
}
.typography-h3 {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  font-style: normal;
}
.typography-p {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  font-style: normal;
}
.typography-largeTag {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 400;
}
.typography-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
}
.typography-caseTag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  font-style: normal;
}
.typography-caseTitle {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding: 20px;
  scroll-padding-top: var(--header-h);
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: var(--line-height-body);
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 100;
  padding: var(--space-sm) var(--space-md);
  background: var(--hero-bg);
  color: #fff;
  font-family: var(--font-mono);
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid var(--accent-red);
  outline-offset: 2px;
}

/* ==========================================================================
   Header — YEAR0001: navLogo (canvas + text), navMobileButton, navList
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-year), border-color var(--transition-year);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--section-padding-x);
}

.navLogo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  color: var(--text-dark);
  text-decoration: none;
  position: relative;
}
.navLogo:hover { color: var(--accent-red); }
.navLogo:focus-visible { outline: 2px solid var(--accent-red); outline-offset: 2px; }

.navLogo-face-front {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
}
.navLogo-circle {
  position: absolute;
  inset: 0;
  width: 50px;
  height: 50px;
  display: block;
}
.navLogo-text {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.navLogo-face-back { display: none; }

.navMobileButton {
  display: none;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-dark);
}
.navMobileButton:hover { color: var(--accent-red); }
.navMobileButton:focus-visible { outline: 2px solid var(--accent-red); outline-offset: 2px; }
.navMobileButton[aria-expanded="true"] { color: var(--accent-red); }

.navList {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}
.navList .navList-item { margin: 0; }
.navList a {
  font-family: var(--font-sans);
  font-size: var(--viz-font-size);
  font-weight: 400;
  color: var(--text-dark);
  text-decoration: none;
  position: relative;
  letter-spacing: 0.05em;
  transition: color var(--transition-year);
}
.navList a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent-red);
  transition: width var(--transition-year);
}
.navList a:hover::after,
.navList a:focus-visible::after,
.navList a.active::after { width: 100%; }
.navList a:hover,
.navList a.active { color: var(--text-dark); }
.navList a:focus-visible { outline: none; }

@media (max-width: 768px) {
  .navMobileButton { display: block; }
  .navList {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl);
    background: var(--nav-bg);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    gap: var(--space-md);
    transform: translateY(-100%);
    visibility: hidden;
    opacity: 0;
    transition: transform var(--transition-year), opacity var(--transition-year), visibility var(--transition-year);
  }
  .navList.is-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
  }
}

/* ==========================================================================
   barba-container — YEAR0001 main wrapper (slideshow + content)
   ========================================================================== */
.barba-container {
  margin-left: 0;
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
}

/* ==========================================================================
   landingSlideshow — YEAR0001 hero: full viewport, canvas + text overlay
   ========================================================================== */
.landingSlideshow {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--hero-bg);
  color: #fff;
  overflow: hidden;
}

/* Hero bg layers (inside slideshow) */
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: hero-bg-cycle 24s infinite;
  will-change: transform;
  transform: translateZ(0);
}
.hero-bg-layer-1 { background-image: url("assets/ascii/photo-1506792006437-256b665541e2.avif"); animation-delay: 0s; }
.hero-bg-layer-3 { background-image: url("assets/ascii/photo-1750535135451-7c20e24b60c1.avif"); animation-delay: -12s; }
@keyframes hero-bg-cycle {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  z-index: 1;
  pointer-events: none;
  contain: layout style;
  will-change: transform;
  transform: translateZ(0);
}
.hero-particles canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: auto;
}

/* Text overlay — YEAR0001 landingSlideshow-text */
.landingSlideshow-text {
  position: relative;
  z-index: 2;
  padding: var(--section-padding-x);
  max-width: 90vw;
  text-align: left;
}
.landingSlideshow-text-tagContainer {
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-year);
}
.landingSlideshow-text-tagCursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--text-light);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}
.landingSlideshow-text-title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: var(--line-height-tight);
  color: #fff;
  transition: opacity var(--transition-year);
}
.landingSlideshow-text-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-year);
}
.landingSlideshow-text-bodySpan { flex: 1 1 auto; }
.landingSlideshow-text-arrowContainer {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-light);
  font-family: var(--font-mono);
}
.landingSlideshow-text-arrow {
  width: 0;
  height: 0;
  border-left: 6px solid currentColor;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* Left bottom nav text — YEAR0001 leftBottomText */
.landingSlideshow-nav.leftBottomText {
  position: absolute;
  left: var(--section-padding-x);
  bottom: var(--section-padding-x);
  z-index: 2;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-year), opacity var(--transition-year);
}
.landingSlideshow-nav.leftBottomText:hover { color: var(--accent-red); }

.hero-play-btn {
  position: absolute;
  right: var(--section-padding-x);
  bottom: var(--section-padding-x);
  z-index: 2;
  pointer-events: auto;
  padding: 0.4em 0.8em;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.hero-play-btn:hover {
  color: var(--text-light, #fff);
  background: rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   ASCII slideshow — square in the middle, shows ASCII from stock images
   ========================================================================== */
.section-ascii {
  position: relative;
  min-height: 100vh;
  width: 100%;
  background: var(--hero-bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: var(--section-padding-y) var(--section-padding-x);
}

.ascii-section-label {
  color: var(--text-gray);
  margin: 0;
  z-index: 1;
}

.ascii-canvas-wrap {
  position: relative;
  width: min(80vmin, 520px);
  aspect-ratio: 1;
  max-width: 100%;
  max-height: min(80vmin, 520px);
  z-index: 0;
  flex-shrink: 0;
}

.section-ascii .landingSlideshow-asciiCanvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 0;
  font-family: var(--font-mono);
  background: #0a0a0a;
}

/* ==========================================================================
   Winamp-style ASCII browser — folder view + slideshow toggle
   ========================================================================== */
.section-winamp .winamp-panel {
  --winamp-bg: #1a1a1a;
  --winamp-panel: linear-gradient(165deg, #2a2a2a 0%, #1e1e1e 50%, #252525 100%);
  --winamp-border: #3a3a3a;
  --winamp-btn: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 50%, #1e1e1e 100%);
  --winamp-btn-active: linear-gradient(180deg, #4a2a2a 0%, #3a1a1a 50%, #2a1010 100%);
  --winamp-glow: var(--shadow-accent);
  font-family: var(--font-mono);
  background: var(--winamp-panel);
  border: 2px solid var(--winamp-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 0.75rem 1rem 1rem;
  max-width: 680px;
  width: 100%;
}

.section-winamp .winamp-header {
  margin-bottom: 0.75rem;
}

.section-winamp .winamp-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.section-winamp .winamp-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.9);
  background: var(--winamp-btn);
  border: 1px solid #4a4a4a;
  border-radius: 3px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: box-shadow 0.15s var(--ease-year), border-color 0.15s, background 0.15s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.section-winamp .winamp-btn:hover {
  border-color: #5a5a5a;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.08);
}

.section-winamp .winamp-btn:active {
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4);
  transform: translateY(1px);
}

.section-winamp .winamp-btn-active,
.section-winamp .winamp-btn[aria-pressed="true"] {
  background: var(--winamp-btn-active);
  border-color: var(--accent-red);
  box-shadow: var(--winamp-glow), 0 2px 4px rgba(0, 0, 0, 0.3);
}

.section-winamp .winamp-body {
  min-height: 280px;
}

.section-winamp .winamp-ascii-view,
.section-winamp .winamp-folders-view {
  transition: opacity 0.2s var(--ease-year);
}

.section-winamp .winamp-hidden {
  display: none !important;
}

.section-winamp .winamp-ascii-wrap {
  background: var(--hero-bg);
  border: 1px solid var(--winamp-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 2 / 1;
  margin: 0 auto 0.5rem;
}

/* Standalone section: square in the middle (no panel) */
.section-ascii .winamp-ascii-wrap.winamp-ascii-wrap--square {
  width: min(80vmin, 520px);
  aspect-ratio: 1;
  max-width: 100%;
  max-height: min(80vmin, 520px);
  margin: 0 auto 0.5rem;
}
.section-ascii .winamp-ascii-canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  font-family: "IBM Plex Mono", monospace;
  contain: strict;
  will-change: transform;
  transform: translateZ(0);
}
.section-ascii .winamp-caption {
  color: var(--text-gray);
  margin: 0;
  font-size: 10px;
  min-height: 1.2em;
  text-align: center;
}

.section-winamp .winamp-ascii-canvas {
  display: block;
  width: 100%;
  height: 100%;
  font-family: "IBM Plex Mono", monospace;
}

.section-winamp .winamp-caption {
  color: var(--text-gray);
  margin: 0;
  font-size: 10px;
  min-height: 1.2em;
}

.section-winamp .winamp-folders-panel {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--winamp-border);
  border-radius: 2px;
  padding: 0.5rem 0.75rem;
  max-height: 320px;
  overflow: auto;
}

.section-winamp .winamp-folders-header,
.section-winamp .winamp-folders-footer {
  font-size: 10px;
  color: var(--text-gray);
  line-height: 1.4;
  white-space: pre;
}

.section-winamp .winamp-folders-list {
  list-style: none;
  margin: 0.25rem 0;
  padding: 0;
}

.section-winamp .winamp-folder-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.5rem;
  margin: 2px 0;
  cursor: pointer;
  border-radius: 2px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
  transition: background 0.15s, box-shadow 0.15s;
}

.section-winamp .winamp-folder-item:hover {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 8px rgba(227, 6, 19, 0.2);
}

.section-winamp .winamp-folder-item.winamp-folder-active {
  background: rgba(227, 6, 19, 0.15);
  box-shadow: var(--winamp-glow);
  color: #fff;
}

.section-winamp .winamp-folder-icon {
  font-size: 10px;
  opacity: 0.9;
}

.section-winamp .winamp-folder-item.winamp-folder-empty {
  cursor: default;
  color: var(--text-gray);
  font-style: italic;
}

/* ==========================================================================
   main-container (sections + footer inside barba-container)
   ========================================================================== */
.main-container {
  position: relative;
  z-index: 1;
  background: var(--bg-light);
}

.section {
  padding: var(--section-padding-y) var(--section-padding-x);
  content-visibility: auto;
  contain-intrinsic-size: auto 400px;
}
.section-inner { max-width: var(--content-max); margin: 0 auto; }
/* Sections use same font scale as Audio Visualizer (--viz-font-size, --viz-title-size) */
.section-tag {
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
  letter-spacing: var(--viz-letter-spacing);
  text-transform: uppercase;
  color: var(--text-gray);
  margin: 0 0 var(--space-sm);
  transition: color var(--transition-year);
}
.section-title {
  font-family: var(--font-sans);
  font-size: var(--viz-title-size);
  font-weight: 400;
  margin: 0 0 var(--space-lg);
  line-height: var(--line-height-tight);
  color: var(--text-dark);
  transition: color var(--transition-year);
}
.section-body {
  margin: 0;
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
  line-height: 1.5;
  transition: color var(--transition-year);
}
.section-body p { margin: 0 0 var(--space-md); }
.section-body p:last-child { margin-bottom: 0; }

.section-about,
.section-projects,
.section-contact { background: var(--bg-light); }

.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.project-list li { margin: 0; }
.project-list a {
  display: block;
  padding: var(--space-sm) 0;
  padding-left: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
  color: var(--text-dark);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color var(--transition-year), color var(--transition-year);
}
.project-list a:hover {
  border-left-color: var(--accent-red);
  color: var(--text-dark);
}
.project-list a:focus-visible { outline: 2px solid var(--accent-red); outline-offset: 2px; }

.contact-list p {
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
}
.contact-list a { color: var(--text-dark); text-decoration: none; }
.contact-list a:hover { color: var(--accent-red); text-decoration: underline; }

/* Viz section */
.section-viz {
  background: var(--bg-light);
  color: var(--text-dark);
  min-height: 80vh;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
  gap: var(--space-lg);
}
.viz-ui { max-width: var(--content-max); margin: 0 auto; width: 100%; }
.viz-label {
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
  letter-spacing: var(--viz-letter-spacing);
  color: var(--text-dark);
  margin: 0 0 var(--space-xs);
  transition: color var(--transition-year);
}
.viz-title {
  font-family: var(--font-sans);
  font-size: var(--viz-title-size);
  font-weight: 400;
  margin: 0 0 var(--space-md);
  transition: color var(--transition-year);
}
.viz-readouts {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
}
.viz-value { color: var(--text-dark); }
.viz-playlist-wrap {
  max-height: 280px;
  overflow-y: auto;
  margin-bottom: var(--space-sm);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 255, 0.4) rgba(0, 0, 0, 0.2);
}

.viz-playlist-wrap::-webkit-scrollbar { width: 6px; }
.viz-playlist-wrap::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); }
.viz-playlist-wrap::-webkit-scrollbar-thumb { background: rgba(0, 255, 255, 0.4); border-radius: 3px; }

/* ==========================================================================
   Winamp Folders — fully clickable nested browser (viz section)
   ========================================================================== */
.viz-playlist-wrap .winamp-folders-panel {
  --wf-cyan: #00ffff;
  --wf-transition: 200ms ease-in-out;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 10px;
  padding: var(--space-sm);
  background: transparent;
  border: none;
  max-height: none;
}

.viz-playlist-wrap .winamp-folders-toggle {
  display: block;
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  font-family: inherit;
  font-size: inherit;
  font-weight: 600;
  color: var(--wf-cyan);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: opacity var(--wf-transition);
  user-select: none;
}

.viz-playlist-wrap .winamp-folders-toggle:hover { opacity: 0.9; }
.viz-playlist-wrap .winamp-folders-toggle:active { transform: translateY(1px); }
.viz-playlist-wrap .winamp-folders-toggle:focus-visible {
  outline: 2px solid var(--wf-cyan);
  outline-offset: 2px;
}

.viz-playlist-wrap .winamp-folders-list-wrap {
  overflow: hidden;
  max-height: 3000px;
  transition: max-height var(--wf-transition);
}

.viz-playlist-wrap .winamp-folders-panel.is-collapsed .winamp-folders-list-wrap {
  max-height: 0 !important;
}

.viz-playlist-wrap .winamp-folders-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.viz-playlist-wrap .winamp-folder-item {
  margin: 2px 0;
  content-visibility: auto;
  contain-intrinsic-size: auto 32px;
}

.viz-playlist-wrap .winamp-folder-label {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  padding-left: 20px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-sm);
  transition: background var(--wf-transition), color var(--wf-transition), transform var(--wf-transition);
}

.viz-playlist-wrap .winamp-folder-label:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.viz-playlist-wrap .winamp-folder-label:active {
  transform: translateY(1px);
}

.viz-playlist-wrap .winamp-folder-icon {
  display: inline-block;
  margin-right: var(--space-xs);
  transition: transform var(--wf-transition);
  width: 1em;
}

.viz-playlist-wrap .winamp-folder-icon.expanded {
  transform: rotate(90deg);
}

.viz-playlist-wrap .winamp-folder-tracks {
  list-style: none;
  margin: 0;
  padding-left: 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--wf-transition);
}

.viz-playlist-wrap .winamp-folder-tracks.expanded {
  max-height: 800px;
}

.viz-playlist-wrap .winamp-folder-tracks li {
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  color: var(--text-gray);
  font-size: 10px;
  border-radius: var(--radius-sm);
  transition: background var(--wf-transition), color var(--wf-transition), box-shadow var(--wf-transition);
  min-height: 24px;
  content-visibility: auto;
  contain-intrinsic-size: auto 24px;
}

.viz-playlist-wrap .winamp-folder-tracks li:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.viz-playlist-wrap .winamp-folder-tracks li:active {
  transform: translateY(1px);
}

.viz-playlist-wrap .winamp-folder-tracks li.winamp-track-playing {
  background: rgba(0, 255, 255, 0.2);
  color: var(--wf-cyan);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
  animation: wf-track-pulse 1.5s ease-in-out infinite;
}

@keyframes wf-track-pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 255, 255, 0.4); }
  50% { box-shadow: 0 0 14px rgba(0, 255, 255, 0.6); }
}

.viz-playlist-wrap .winamp-folder-tracks .winamp-track-empty {
  cursor: default;
  color: var(--text-gray);
  font-style: italic;
}

.viz-playlist-wrap .winamp-folder-item.winamp-folder-empty {
  padding: var(--space-md);
  color: var(--text-gray);
  font-style: italic;
}
.viz-track {
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
  color: var(--text-gray);
  margin: 0 0 var(--space-sm);
}
.viz-progress-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.viz-seek {
  flex: 1;
  min-width: 0;
  height: 6px;
  accent-color: var(--accent-red);
}
.viz-time {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-gray);
  flex-shrink: 0;
}
.viz-controls { display: flex; flex-wrap: wrap; gap: var(--space-sm); align-items: center; }
.viz-vol-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  color: var(--text-gray);
}
.viz-volume {
  width: 64px;
  height: 6px;
  accent-color: var(--accent-red);
  vertical-align: middle;
}
.viz-btn {
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 500;
  background: var(--accent-red);
  color: var(--text-light);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}
.viz-btn:hover:not(:disabled) { opacity: 0.92; }
.viz-btn:active:not(:disabled) { opacity: 0.85; }
.viz-btn:focus-visible { outline: 2px solid var(--accent-red); outline-offset: 2px; }
.viz-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.viz-load-label {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--viz-font-size);
  font-weight: 400;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.viz-load-label:hover { border-color: var(--text-gray); color: var(--text-dark); }
.viz-file-input {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
}
.viz-canvas-wrap {
  contain: layout style paint;
  will-change: transform;
  transform: translateZ(0);
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  min-height: 320px;
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.viz-canvas-wrap.is-dragover { border-color: var(--accent-red); background: rgba(227, 6, 19, 0.08); }
.viz-canvas,
#swiss-viz {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  contain: strict;
  will-change: transform;
  transform: translateZ(0);
}

/* ==========================================================================
   Footer — YEAR0001: navList-footer, footerText, footerText-mobile, footerImg
   ========================================================================== */
footer {
  padding: var(--space-xl) var(--section-padding-x);
  background: var(--hero-bg);
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-sans);
  font-size: var(--viz-font-size);
  font-weight: 400;
  transition: background var(--transition-year);
}

.navList-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
}
.navList-footer .navList-item { margin: 0; }
.navList-footer a {
  font-family: var(--font-sans);
  font-size: var(--viz-font-size);
  font-weight: 400;
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition-year);
}
.navList-footer a:hover,
.navList-footer a.active { color: var(--accent-red); opacity: 1; }
.navList-footer a:focus-visible { outline: 2px solid var(--accent-red); outline-offset: 2px; }

.newsLetterSignup { display: block; margin-bottom: var(--space-sm); }

.footerText {
  display: block;
  margin-bottom: var(--space-sm);
  color: rgba(255, 255, 255, 0.7);
}
.footerText a { color: var(--text-light); }
.footerText a:hover { color: var(--accent-red); }
.footerText-mobile { display: none; }

.footerImg {
  display: block;
  margin-top: var(--space-lg);
  opacity: 0.8;
  transition: transform var(--transition-year), opacity var(--transition-year);
  cursor: default;
}
footer:hover .footerImg {
  opacity: 1;
}
.footerImg:hover {
  transform: rotate(5deg) scale(1.02);
  opacity: 1;
}

@media (max-width: 768px) {
  .footerText:not(.footerText-mobile) { display: none; }
  .footerText-mobile {
    display: block;
    margin-top: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
  }
  .footerText-mobile a { color: var(--text-light); }
  .footerText-mobile a:hover { color: var(--accent-red); }
}

/* ==========================================================================
   siteLoader — YEAR0001: logo (circle canvas + text), two-line text
   ========================================================================== */
.siteLoader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  background: var(--bg-light);
  color: var(--text-dark);
  font-family: var(--font-mono);
  transition: opacity 0.5s var(--ease-year), visibility 0.5s var(--ease-year);
}
.siteLoader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.siteLoader-logo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
}
.siteLoader-circle {
  position: absolute;
  inset: 0;
  width: 50px;
  height: 50px;
}
.siteLoader-logo-text {
  position: relative;
  z-index: 1;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-dark);
}

.siteLoader-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-dark);
}
.siteLoader-text-tag { font-weight: 500; }
.siteLoader-text-number { font-weight: 600; margin-top: var(--space-xs); }

/* ==========================================================================
   Page Scroll Manager — side nav (hover-reveal), section active, highlight-pulse
   ========================================================================== */

/* Side nav: hidden off-screen → slides in on hover */
.page-nav {
  position: fixed;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 1000;
  opacity: 0.3;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.page-nav:hover {
  right: 20px;
  opacity: 1;
  pointer-events: auto;
}

.page-nav .nav-btn {
  pointer-events: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
  background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 50%, #1e1e1e 100%);
  border: 2px solid #4a4a4a;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  transition: border-color 0.2s var(--ease-year),
              box-shadow 0.2s var(--ease-year),
              color 0.2s var(--ease-year),
              text-shadow 0.2s var(--ease-year);
}

.page-nav .nav-btn:hover {
  border-color: #00ffff;
  color: #fff;
  box-shadow: 0 0 16px rgba(0, 255, 255, 0.5);
  text-shadow: 0 0 10px rgba(0, 255, 255, 0.9);
}

.page-nav .nav-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.page-nav .nav-btn:focus-visible {
  outline: 2px solid #00ffff;
  outline-offset: 2px;
}

/* Active section (no border; class kept for JS/state) */
.section-scroll-active {
  position: relative;
}

/* Centered item pulse (music library folder/track) */
.highlight-pulse {
  animation: highlight-pulse 1.5s ease-out forwards;
}

@keyframes highlight-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 255, 255, 0.7);
  }
  40% {
    box-shadow: 0 0 18px 4px rgba(0, 255, 255, 0.5);
  }
  100% {
    box-shadow: 0 0 8px 0 rgba(0, 255, 255, 0.2);
  }
}

.viz-playlist-wrap .winamp-folder-item.highlight-pulse,
.viz-playlist-wrap .winamp-folder-tracks li.highlight-pulse {
  border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
  .page-nav {
    right: -52px;
  }
  .page-nav:hover {
    right: 12px;
  }
  .page-nav .nav-btn {
    width: 40px;
    height: 40px;
    font-size: 12px;
  }
}