/* styles.css */

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    color: #fff;
    overflow: hidden; /* Hide scrollbars */
}

.video-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#myVideo {
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.content-wrapper {
    position: relative;
    z-index: 1;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent overlay */
    min-height: 100vh; /* Ensure the content wrapper covers the entire viewport height */
}

header {
    background-color: #111;
    padding: 20px;
    text-align: center;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 999;
}

header h1 {
    font-size: 36px;
    margin: 0;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    color: #007bff;
}

section {
    padding: 100px 20px;
    text-align: center;
}

section h2 {
    font-size: 32px;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

section p {
    font-size: 18px;
    line-height: 1.6;
}

footer {
    background-color: #111;
    color: #fff;
    text-align: center;
    padding: 20px;
}

/* Glowing effect for navigation links */
nav ul li a {
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: #007bff;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

/* Add some animation to sections */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Theme - Green, Aqua, Red tri-color scheme */
:root {
  --aqua: #00ffd5;
  --green: #39ff14;
  --red: #ff135a;
  --pulse: 0; /* 0..1 set by JS */
  --bass: 0;  /* 0..1 set by JS */
  --mid: 0;   /* 0..1 set by JS */
  --treb: 0;  /* 0..1 set by JS */
  --peak: 0;  /* 0..1 set by JS - for dramatic peak effects */
}

/* Fullscreen layer canvases */
#bg, #fx {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
}
#bg {
  z-index: 0;
  background: radial-gradient(1200px 800px at 30% 40%, rgba(0,0,0,0.3), #000 60%);
  opacity: 0.6;
}
#fx { z-index: 2; pointer-events: auto; }

/* Start gate - completely redesigned */
.gate {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 60px;
  background: radial-gradient(circle at 50% 50%, rgba(0,0,0,0.55), rgba(0,0,0,0.9));
  z-index: 5;
  transition: opacity 600ms ease, visibility 600ms ease;
  padding: 40px 20px;
}

/* Song selector interface - redesigned as prominent card */
.song-selector {
  text-align: center;
  z-index: 10;
  opacity: 1;
  transition: opacity 0.5s ease, transform 0.3s ease;
  transform: translateY(0);
}

.song-selector.changing {
  opacity: 0.6;
  pointer-events: none;
  transform: translateY(-10px);
}

.song-display {
  background: linear-gradient(135deg, 
    rgba(0, 255, 213, 0.15), 
    rgba(57, 255, 20, 0.1), 
    rgba(255, 19, 90, 0.15)
  );
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  padding: 32px 40px;
  backdrop-filter: blur(15px);
  min-width: 400px;
  max-width: 500px;
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(0, 255, 213, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.song-display::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: conic-gradient(from 0turn, 
    transparent,
    rgba(0, 255, 213, 0.4),
    transparent,
    rgba(57, 255, 20, 0.3),
    transparent,
    rgba(255, 19, 90, 0.4),
    transparent
  );
  border-radius: 20px;
  opacity: calc(0.2 + 0.3 * var(--pulse));
  animation: rotate 12s linear infinite;
  z-index: -1;
}

.song-title {
  font: 800 clamp(22px, 4vw, 28px)/1.1 "Orbitron", monospace;
  color: var(--aqua);
  text-shadow: 
    0 0 20px rgba(0, 255, 213, 0.6),
    0 0 40px rgba(0, 255, 213, 0.3);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.song-info {
  font: 400 clamp(14px, 2.5vw, 16px)/1.3 system-ui, sans-serif;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.song-counter {
  font: 600 clamp(12px, 2vw, 14px)/1 "Orbitron", monospace;
  color: var(--green);
  text-shadow: 0 0 15px rgba(57, 255, 20, 0.5);
  letter-spacing: 0.15em;
  background: rgba(57, 255, 20, 0.1);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(57, 255, 20, 0.3);
  display: inline-block;
}

.selector-hints {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.hint-arrows,
.hint-mobile {
  font: 500 clamp(11px, 1.8vw, 13px)/1.2 system-ui, sans-serif;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.3s ease;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Enter section - redesigned for prominence */
.enter-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.enter-btn {
  font: 800 clamp(20px, 3.2vw, 40px)/1 "Orbitron", system-ui, sans-serif;
  color: #000;
  background: conic-gradient(from 0turn, 
    var(--red), 
    var(--green), 
    var(--aqua), 
    var(--red)
  );
  border: none;
  padding: clamp(18px, 3vw, 28px) clamp(48px, 8vw, 80px);
  border-radius: 999px;
  box-shadow: 
    0 0 calc(40px + 60px * var(--peak)) rgba(255,19,90,calc(0.5 + 0.3 * var(--bass))), 
    0 0 calc(80px + 100px * var(--peak)) rgba(57,255,20,calc(0.5 + 0.3 * var(--mid))),
    0 0 calc(120px + 140px * var(--peak)) rgba(0,255,213,calc(0.5 + 0.3 * var(--treb))),
    0 10px 40px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transform: translateZ(0) scale(calc(1 + 0.05 * var(--peak)));
  transition: all 200ms ease;
  animation: buttonPulse 3s ease-in-out infinite;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.enter-btn:hover:not(:disabled) {
  transform: translateZ(0) scale(calc(1.05 + 0.05 * var(--peak)));
  filter: brightness(1.1);
}

.enter-btn:active:not(:disabled) {
  transform: translateZ(0) scale(calc(0.98 + 0.05 * var(--peak)));
}

/* Disabled state for enter button */
.enter-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: translateZ(0) scale(0.95);
  filter: grayscale(0.8) brightness(0.7);
  animation: none;
}

.enter-btn::before {
  content: '';
  position: absolute;
  inset: calc(-3px - 8px * var(--peak));
  background: conic-gradient(from 0turn, 
    transparent, 
    rgba(255,19,90,calc(0.6 + 0.4 * var(--bass))), 
    transparent,
    rgba(57,255,20,calc(0.6 + 0.4 * var(--mid))),
    transparent,
    rgba(0,255,213,calc(0.6 + 0.4 * var(--treb))),
    transparent
  );
  border-radius: 999px;
  animation: rotate calc(4s - 2s * var(--peak)) linear infinite;
  z-index: -1;
  opacity: calc(0.4 + 0.6 * var(--peak));
}

.hint {
  font: 600 clamp(13px, 2.2vw, 16px)/1.2 "Orbitron", monospace;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  background: linear-gradient(90deg, 
    rgba(255, 19, 90, 0.2),
    rgba(57, 255, 20, 0.2),
    rgba(0, 255, 213, 0.2)
  );
  padding: 10px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
}

/* Enhanced loading indicator */
.cassette-loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 25;
  font: 700 clamp(16px, 3vw, 22px)/1.2 "Orbitron", monospace;
  color: var(--red);
  text-shadow: 
    0 0 20px rgba(255, 19, 90, 0.8),
    0 0 40px rgba(255, 19, 90, 0.4);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  text-align: center;
  background: rgba(0, 0, 0, 0.8);
  padding: 30px 40px;
  border-radius: 20px;
  border: 2px solid rgba(255, 19, 90, 0.5);
  backdrop-filter: blur(10px);
  min-width: 280px;
}

.cassette-loading.show {
  opacity: 1;
}

.cassette-loading::before {
  content: '⏵';
  margin-right: 12px;
  animation: spin 1s linear infinite;
  display: inline-block;
  font-size: 1.2em;
}

/* Enhanced loading progress bar */
.loading-progress {
  width: 240px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin: 20px auto 0;
  overflow: hidden;
  position: relative;
}

.loading-progress::before {
  content: '';
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--red), var(--green), var(--aqua), var(--red));
  animation: loadingProgress 8s linear forwards;
  border-radius: 2px;
  box-shadow: 0 0 10px currentColor;
}

.loading-progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Mobile responsive adjustments */
@media (max-width: 600px) {
  .gate {
    gap: 40px;
    padding: 20px 15px;
  }
  
  .song-display {
    min-width: 300px;
    max-width: 350px;
    padding: 24px 28px;
  }
  
  .cassette-loading {
    padding: 20px 30px;
    min-width: 240px;
  }
  
  .loading-progress {
    width: 200px;
  }
}

.gate--hide { opacity: 0; visibility: hidden; }

/* Neon logo */
.logo {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 3;
  pointer-events: none;
}

/* Logo link styling - remove default link appearance */
.logo-link {
  text-decoration: none;
  color: inherit;
  pointer-events: auto;
  cursor: pointer;
  transition: transform 0.2s ease;
  display: block;
}

.logo-link:hover {
  transform: scale(1.02);
}

.logo-link:visited,
.logo-link:link,
.logo-link:active {
  color: inherit;
  text-decoration: none;
}

.logo .glitch {
  font: 900 clamp(44px, 14vw, 180px)/0.9 "Orbitron", "Segoe UI", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: transparent;
  -webkit-text-stroke: calc(2px + 2px * var(--peak)) rgba(255,255,255,calc(0.85 + 0.15 * var(--pulse)));
  background: linear-gradient(120deg, 
    hsl(0, 100%, calc(50% + var(--bass) * 30%)), 
    hsl(120, 100%, calc(50% + var(--mid) * 30%)),
    hsl(180, 100%, calc(50% + var(--treb) * 30%))
  );
  background-clip: text;
  -webkit-background-clip: text;
  filter: drop-shadow(0 0 calc(20px + 100px * var(--peak)) rgba(255,19,90,calc(0.4 + 0.4 * var(--bass))))
          drop-shadow(0 0 calc(15px + 75px * var(--peak)) rgba(57,255,20,calc(0.4 + 0.4 * var(--mid))))
          drop-shadow(0 0 calc(10px + 50px * var(--peak)) rgba(0,255,213,calc(0.4 + 0.4 * var(--treb))))
          drop-shadow(0 0 calc(5px + 30px * var(--peak)) rgba(255,255,255,calc(0.3 * var(--peak))));
  animation: glow 2.2s ease-in-out infinite, shake calc(0.1s - 0.05s * var(--peak)) infinite;
  position: relative;
  transform: scale(calc(1 + 0.2 * var(--peak))) 
             rotateX(calc(var(--peak) * 5deg)) 
             rotateY(calc(var(--bass) * 3deg))
             rotateZ(calc(var(--peak) * 2deg));
  display: block;
  margin: 0;
  padding: 0;
}

/* Enhanced glitch effects with tri-color peak detection */
.logo .glitch::before,
.logo .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  filter: blur(calc(0.8px + 4px * var(--peak)));
  animation: glitch calc(2.5s - 1.5s * var(--peak)) infinite steps(1, end);
}
.logo .glitch::before {
  color: rgba(57,255,20,calc(0.7 + 0.3 * var(--mid)));
  transform: translate(calc(var(--peak) * 8px), calc(var(--peak) * -6px));
}
.logo .glitch::after {
  color: rgba(255,19,90,calc(0.4 + 0.6 * var(--bass)));
  mix-blend-mode: lighten;
  transform: translate(calc(var(--peak) * -6px), calc(var(--peak) * 8px));
}

/* Enhanced animations with peak detection */
@keyframes glow {
  0%, 100% { transform: scale(calc(1 + 0.03 * var(--pulse))); }
  50%      { transform: scale(calc(1.02 + 0.08 * var(--pulse))); }
}
@keyframes hue {
  from { filter: hue-rotate(0deg); }
  to   { filter: hue-rotate(360deg); }
}
@keyframes glitch {
  0%   { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
  10%  { clip-path: inset(0 0 20% 0); transform: translate(1px, -1px); }
  20%  { clip-path: inset(60% 0 0 0); transform: translate(-2px, 1px); }
  30%  { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
  40%  { clip-path: inset(10% 0 40% 0); transform: translate(1px, 0); }
  50%  { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
  60%  { clip-path: inset(40% 0 10% 0); transform: translate(-1px, 1px); }
  70%  { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
  80%  { clip-path: inset(0 0 30% 0); transform: translate(1px, -1px); }
  90%  { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
  100% { clip-path: inset(0 0 0 0); transform: translate(0, 0); }
}
@keyframes videoGlitch {
  0%, 85%, 100% { 
    transform: translate(0, 0) scale(1); 
    filter: saturate(calc(1.1 + 0.4 * var(--bass))) 
            contrast(calc(1.05 + 0.2 * var(--mid))) 
            brightness(calc(0.95 + 0.15 * var(--treb)))
            hue-rotate(calc(var(--pulse) * 15deg));
  }
  87% { 
    transform: translate(calc(2px * var(--peak)), calc(-2px * var(--peak))) scale(calc(1.002 * (1 + var(--peak)))); 
    filter: saturate(calc(1.5 + 0.5 * var(--peak))) 
            contrast(calc(1.2 + 0.3 * var(--peak))) 
            brightness(calc(1.1 + 0.2 * var(--peak)))
            hue-rotate(calc(var(--peak) * 30deg));
  }
  89% { 
    transform: translate(calc(-2px * var(--peak)), calc(2px * var(--peak))) scale(calc(0.998 * (1 + var(--peak)))); 
  }
  91% { 
    transform: translate(calc(2px * var(--peak)), calc(2px * var(--peak))) scale(calc(1.002 * (1 + var(--peak)))); 
  }
  93% { 
    transform: translate(calc(-2px * var(--peak)), calc(-2px * var(--peak))) scale(calc(0.998 * (1 + var(--peak)))); 
  }
}
@keyframes shake {
  0%, 100% { 
    transform: translateX(0) 
               scale(calc(1 + 0.2 * var(--peak))) 
               rotateZ(calc(var(--peak) * 2deg)); 
  }
  25% { 
    transform: translateX(calc(var(--peak) * 3px)) 
               scale(calc(1 + 0.2 * var(--peak))) 
               rotateZ(calc(var(--peak) * -2deg)); 
  }
  75% { 
    transform: translateX(calc(var(--peak) * -3px)) 
               scale(calc(1 + 0.2 * var(--peak))) 
               rotateZ(calc(var(--peak) * 2deg)); 
  }
}
@keyframes gateBreathing {
  0%, 100% { background-size: 100% 100%; }
  50% { background-size: 110% 110%; }
}
@keyframes buttonPulse {
  0%, 100% { transform: scale(1) translateZ(0); }
  50% { transform: scale(1.02) translateZ(0); }
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes loadingProgress {
  from { width: 0%; }
  to { width: 100%; }
}
@keyframes scanlineMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  20% { transform: translate(-15%, 5%); }
  30% { transform: translate(7%, -25%); }
  40% { transform: translate(-5%, 25%); }
  50% { transform: translate(-15%, 10%); }
  60% { transform: translate(15%, 0%); }
  70% { transform: translate(0%, 15%); }
  80% { transform: translate(3%, 35%); }
  90% { transform: translate(-10%, 10%); }
}

/* Motion safety */
@media (prefers-reduced-motion: reduce) {
  .logo .glitch { animation: none; }
  #fx { display: none; }
}

/* Clean slate: remove unused header/sections if present in DOM */
header, nav, section, footer { display: none !important; }

/* Background video layer with dramatic tri-color peak effects */
#video.bg-video {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 0;
  opacity: calc(0.4 + 0.4 * var(--peak));
  filter: saturate(calc(1.1 + 0.6 * var(--peak))) 
          contrast(calc(1.05 + 0.3 * var(--peak))) 
          brightness(calc(0.95 + 0.25 * var(--peak)))
          hue-rotate(calc(var(--bass) * 30deg + var(--mid) * 60deg + var(--treb) * 90deg));
  pointer-events: none;
  transition: opacity 0.05s ease, filter 0.05s ease;
  animation: videoGlitch calc(8s - 4s * var(--peak)) infinite;
  transform: scale(calc(1 + 0.05 * var(--peak)));
}

/* Enhanced scanlines with tri-color peak reactivity */
.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 213, calc(0.02 + 0.06 * var(--treb))) 2px,
    rgba(0, 255, 213, calc(0.02 + 0.06 * var(--treb))) 3px,
    rgba(57, 255, 20, calc(0.02 + 0.06 * var(--mid))) 3px,
    rgba(57, 255, 20, calc(0.02 + 0.06 * var(--mid))) 4px
  );
  z-index: 4;
  pointer-events: none;
  animation: scanlineMove calc(0.1s - 0.05s * var(--peak)) linear infinite;
}

/* Enhanced film grain with tri-color peak reactivity */
.film-grain {
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, transparent 20%, rgba(255,19,90,calc(0.002 + 0.008 * var(--bass))) 21%),
    radial-gradient(circle at 80% 50%, transparent 20%, rgba(57,255,20,calc(0.002 + 0.008 * var(--mid))) 21%),
    radial-gradient(circle at 40% 80%, transparent 20%, rgba(0,255,213,calc(0.002 + 0.008 * var(--treb))) 21%);
  z-index: 4;
  pointer-events: none;
  animation: grain calc(0.2s - 0.1s * var(--peak)) steps(10) infinite;
  opacity: calc(0.5 + 0.5 * var(--peak));
}

/* Tri-color screen flash effect on major peaks */
.peak-flash {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, 
    rgba(255,19,90,calc(0.08 * var(--bass))), 
    transparent 40%),
  radial-gradient(circle at 70% 50%, 
    rgba(57,255,20,calc(0.08 * var(--mid))), 
    transparent 40%),
  radial-gradient(circle at 50% 30%, 
    rgba(0,255,213,calc(0.08 * var(--treb))), 
    transparent 40%);
  z-index: 6;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* Song transition effects */
.song-selector.transition-in {
  animation: slideInGlitch 0.6s ease-out;
}

.song-selector.transition-out {
  animation: slideOutGlitch 0.4s ease-in;
}

@keyframes slideInGlitch {
  0% { 
    transform: translateY(-20px) scale(0.9); 
    opacity: 0; 
    filter: blur(5px);
  }
  70% { 
    transform: translateY(2px) scale(1.02); 
    opacity: 0.8; 
  }
  85% { 
    transform: translateY(-1px) scale(0.99); 
    filter: blur(1px);
  }
  100% { 
    transform: translateY(0) scale(1); 
    opacity: 1; 
    filter: blur(0);
  }
}

@keyframes slideOutGlitch {
  0% { 
    transform: translateY(0) scale(1); 
    opacity: 1; 
  }
  100% { 
    transform: translateY(20px) scale(0.9); 
    opacity: 0; 
    filter: blur(3px);
  }
}

/* Hide mobile hint on desktop, show arrows hint */
@media (pointer: fine) {
  .hint-mobile { display: none; }
}

/* Hide arrows hint on mobile, show mobile hint */
@media (pointer: coarse) {
  .hint-arrows { display: none; }
}