/* ============================================================
   LOFI LOUNGE — synthwave / vaporwave late-night frequencies
   ============================================================ */

:root {
  --bg:        #070312;
  --bg-2:      #0d0524;
  --ink:       #f3e9ff;
  --ink-dim:   #b39fd6;
  --ink-faint: #6f5c9c;

  --neon-cyan: #22e3ff;
  --neon-pink: #ff5cc8;
  --neon-purp: #a970ff;
  --neon-lime: #b6ff5c;

  --card:      rgba(24, 12, 48, 0.55);
  --card-edge: rgba(169, 112, 255, 0.28);
  --glass-blur: 16px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;

  --r: 18px;
}

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

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  font-family: var(--font-display);
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--neon-pink); color: #0b0316; }

a { color: var(--neon-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- animated backdrop ---------- */
.scene {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% -10%, #1a0b3a 0%, var(--bg-2) 45%, var(--bg) 100%);
}

.aurora {
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  mix-blend-mode: screen;
  animation: drift 22s ease-in-out infinite;
}
.aurora--1 { background: radial-gradient(circle, var(--neon-purp), transparent 60%); top: -20vmax; left: -10vmax; }
.aurora--2 { background: radial-gradient(circle, var(--neon-cyan), transparent 60%); bottom: -25vmax; right: -12vmax; animation-delay: -7s; animation-duration: 27s; }
.aurora--3 { background: radial-gradient(circle, var(--neon-pink), transparent 60%); top: 30%; left: 40%; animation-delay: -14s; animation-duration: 19s; opacity: 0.4; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(8vmax, 6vmax) scale(1.15); }
  66%      { transform: translate(-6vmax, 4vmax) scale(0.9); }
}

/* neon perspective grid on the floor */
.grid-floor {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 240vw;
  height: 55vh;
  transform: translateX(-50%) perspective(40vh) rotateX(72deg);
  transform-origin: bottom center;
  background-image:
    linear-gradient(to right, rgba(34, 227, 255, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 92, 200, 0.35) 1px, transparent 1px);
  background-size: 5vw 5vw;
  animation: floor 6s linear infinite;
  mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 85%);
}
@keyframes floor {
  from { background-position: 0 0; }
  to   { background-position: 0 5vw; }
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0px,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
}
.noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- layout ---------- */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem) clamp(1.1rem, 4vw, 2.5rem) 4rem;
}

/* ---------- hero ---------- */
.hero { text-align: center; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--card-edge);
  border-radius: 999px;
  background: var(--card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}
.hero__status-sep { color: var(--ink-faint); }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon-lime);
  box-shadow: 0 0 10px var(--neon-lime);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.hero__title {
  font-size: clamp(2.8rem, 12vw, 7.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 1.4rem 0 0.4rem;
  position: relative;
  background: linear-gradient(120deg, var(--neon-cyan), var(--neon-purp) 40%, var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 60px rgba(169, 112, 255, 0.45);
}
/* chromatic-aberration glitch layers */
.hero__title::before,
.hero__title::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  pointer-events: none;
}
.hero__title::before { animation: glitch-x 4.5s infinite steps(1); mix-blend-mode: screen; }
.hero__title::after  { animation: glitch-y 5.7s infinite steps(1); mix-blend-mode: screen; }
@keyframes glitch-x {
  0%, 92%, 100% { transform: none; opacity: 0; }
  93% { transform: translate(-3px, 0); opacity: 0.8; color: var(--neon-pink); }
  96% { transform: translate(3px, 0);  opacity: 0.8; color: var(--neon-cyan); }
}
@keyframes glitch-y {
  0%, 90%, 100% { transform: none; opacity: 0; }
  91% { transform: translate(0, 2px); opacity: 0.6; color: var(--neon-cyan); }
  94% { transform: translate(0, -2px); opacity: 0.6; color: var(--neon-pink); }
}

.hero__tag {
  max-width: 40ch;
  margin: 1.2rem auto 0;
  color: var(--ink-dim);
  font-size: clamp(0.98rem, 1.6vw, 1.15rem);
  line-height: 1.6;
}

.hero__meta {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--card-edge);
  border-radius: 999px;
  background: var(--card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.chip--live { color: var(--neon-lime); border-color: rgba(182, 255, 92, 0.35); }

/* equalizer */
.eq { display: inline-flex; align-items: flex-end; gap: 2px; height: 11px; }
.eq i {
  width: 3px; height: 100%;
  background: currentColor;
  border-radius: 2px;
  transform-origin: bottom;
  animation: eq 0.9s ease-in-out infinite;
}
.eq i:nth-child(2) { animation-delay: 0.2s; }
.eq i:nth-child(3) { animation-delay: 0.45s; }
.eq i:nth-child(4) { animation-delay: 0.1s; }
@keyframes eq { 0%, 100% { transform: scaleY(0.3); } 50% { transform: scaleY(1); } }

/* ---------- deck / cards ---------- */
.deck {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}

.card {
  position: relative;
  border-radius: var(--r);
  border: 1px solid var(--card-edge);
  background: var(--card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(.2,.7,.2,1), box-shadow 0.35s, border-color 0.35s;
  animation: rise 0.6s both;
}
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

.card:hover {
  transform: translateY(-6px);
  border-color: var(--neon-purp);
  box-shadow:
    0 0 0 1px rgba(169, 112, 255, 0.4),
    0 18px 50px -12px rgba(169, 112, 255, 0.55),
    0 0 40px -8px rgba(34, 227, 255, 0.35);
}

.card__index {
  position: absolute;
  top: 0.7rem; left: 0.8rem;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink);
  background: rgba(7, 3, 18, 0.6);
  border: 1px solid var(--card-edge);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  cursor: pointer;
  overflow: hidden;
  background: #120826;
}
.card__thumb {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, filter 0.5s ease;
  filter: saturate(1.1);
}
.card:hover .card__thumb { transform: scale(1.06); }

.card__media::after { /* neon wash on hover */
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(200deg, rgba(34,227,255,0.0), rgba(255,92,200,0.28));
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover .card__media::after { opacity: 1; }

.card__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 2;
}
.card__play span {
  width: 62px; height: 62px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(7, 3, 18, 0.55);
  border: 1.5px solid var(--neon-cyan);
  box-shadow: 0 0 22px rgba(34, 227, 255, 0.5), inset 0 0 18px rgba(34,227,255,0.25);
  color: var(--neon-cyan);
  transition: transform 0.3s, background 0.3s;
}
.card__play span::before {
  content: "";
  width: 0; height: 0;
  margin-left: 4px;
  border-left: 16px solid currentColor;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}
.card:hover .card__play span { transform: scale(1.12); background: rgba(34,227,255,0.15); }

.card__body { padding: 1rem 1.1rem 1.2rem; }
.card__mood {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  display: inline-block;
  margin-bottom: 0.5rem;
}
.card__title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__artist {
  margin-top: 0.3rem;
  color: var(--ink-dim);
  font-size: 0.9rem;
}
.card__note {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--card-edge);
  color: var(--ink-faint);
  font-size: 0.85rem;
  line-height: 1.5;
  font-style: italic;
}

/* embedded player state */
.card--playing { border-color: var(--neon-pink); }
.card--playing .card__media { cursor: default; }
.card__iframe {
  width: 100%; height: 100%;
  border: 0;
  position: absolute; inset: 0;
}

/* ---------- footer ---------- */
.footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  text-align: center;
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}
.footer__fine {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
}
.footer code {
  color: var(--neon-lime);
  background: rgba(182, 255, 92, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 5px;
}

/* ---------- accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .grid-floor { animation: none; }
}