:root {
  --bg: #05060a;
  --fg: #f3f1ea;
  --fg-dim: #a3a2a0;
  --line: rgba(243, 241, 234, 0.14);
  --panel: rgba(8, 9, 14, 0.72);
  --c-animation: #4fd1ff;
  --c-visual: #ff4fd8;
  --c-sound: #ffb84f;
  --c-artwork: #8dff4f;
  --accent: var(--c-animation);
  --ease: cubic-bezier(.16,.84,.44,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  overflow: hidden;
  height: 100%;
  width: 100%;
}

::selection { background: var(--accent); color: #05060a; }

#scene {
  position: fixed;
  inset: 0;
  display: block;
  touch-action: none;
}

#vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.75) 100%);
  z-index: 2;
}

#grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- Preloader ---------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  transition: opacity 1s var(--ease), visibility 1s var(--ease);
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.pre-mark {
  font-size: clamp(2.2rem, 8vw, 5rem);
  letter-spacing: 0.14em;
  font-weight: 600;
  animation: flicker-in 1.8s var(--ease) both;
}
.pre-bar {
  width: min(280px, 60vw);
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.pre-bar span {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--fg);
  transition: width 0.3s ease;
}
.pre-status {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.enter-btn {
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 12px 28px;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: pulse-border 2.4s ease-in-out infinite;
}
.enter-btn:hover { background: var(--fg); color: var(--bg); }

@keyframes flicker-in {
  0% { opacity: 0; filter: blur(6px); letter-spacing: 0.4em; }
  100% { opacity: 1; filter: blur(0); letter-spacing: 0.14em; }
}
@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(243,241,234,0.15); }
  50% { box-shadow: 0 0 0 8px rgba(243,241,234,0); }
}

/* ---------- Header ---------- */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(20px, 4vw, 48px);
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity 0.9s var(--ease) 0.3s, transform 0.9s var(--ease) 0.3s;
}
#site-header.visible { opacity: 1; transform: translateY(0); }

#logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.16em;
  color: var(--fg);
  text-decoration: none;
}

#category-nav {
  display: flex;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  backdrop-filter: blur(14px);
}
.cat-pill {
  background: transparent;
  border: none;
  color: var(--fg-dim);
  padding: 8px 16px;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.cat-pill:hover { color: var(--fg); }
.cat-pill.active { background: var(--fg); color: var(--bg); }

#header-actions { display: flex; gap: 10px; }
.icon-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  backdrop-filter: blur(14px);
  transition: border-color 0.3s;
}
.icon-btn:hover { border-color: var(--fg); }
.icon-btn svg { width: 17px; height: 17px; }

/* ---------- Project card ---------- */
#project-card {
  position: fixed;
  left: clamp(20px, 4vw, 48px);
  bottom: clamp(20px, 4vw, 48px);
  z-index: 15;
  max-width: 380px;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
#project-card.hidden { opacity: 0; transform: translateY(16px); pointer-events: none; }

.pc-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}
.pc-category {
  color: var(--accent);
  text-transform: uppercase;
}
#project-card h2 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.05;
}
#project-card p {
  margin: 0 0 16px;
  color: var(--fg-dim);
  font-size: 0.92rem;
  line-height: 1.5;
}
#pc-expand {
  background: none;
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}
#pc-expand:hover { background: var(--fg); color: var(--bg); }
#pc-expand span { display: inline-block; transition: transform 0.3s var(--ease); }
#pc-expand:hover span { transform: translateX(4px); }

/* ---------- Jump controls ---------- */
#jump-controls {
  position: fixed;
  right: clamp(20px, 4vw, 48px);
  bottom: clamp(20px, 4vw, 48px);
  z-index: 15;
  display: flex;
  gap: 10px;
  transition: opacity 0.6s var(--ease);
}
#jump-controls.hidden { opacity: 0; pointer-events: none; }
.jump-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
  font-size: 1.1rem;
  backdrop-filter: blur(14px);
  transition: border-color 0.3s, transform 0.3s;
}
.jump-btn:hover { border-color: var(--fg); transform: scale(1.08); }

/* ---------- Hint ---------- */
#hint {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  text-transform: uppercase;
  transition: opacity 0.6s var(--ease);
}
#hint.hidden { opacity: 0; }

/* ---------- Detail / Info panels ---------- */
#detail-panel, #info-panel {
  position: fixed;
  top: 0; right: 0;
  bottom: 0;
  width: min(560px, 100vw);
  z-index: 30;
  background: linear-gradient(180deg, rgba(6,7,11,0.92), rgba(6,7,11,0.98));
  border-left: 1px solid var(--line);
  backdrop-filter: blur(24px);
  transform: translateX(100%);
  transition: transform 0.7s var(--ease);
  overflow-y: auto;
  padding: 32px clamp(24px, 4vw, 48px) 60px;
}
#detail-panel.open, #info-panel.open { transform: translateX(0); }

#detail-panel:fullscreen,
#detail-panel:-webkit-full-screen {
  width: 100vw;
  max-width: none;
  border-left: none;
  padding: 32px clamp(24px, 6vw, 140px) 60px;
  background: #05060a;
}
#detail-panel:fullscreen .detail-inner,
#detail-panel:-webkit-full-screen .detail-inner {
  max-width: 720px;
  margin: 0 auto;
}

#detail-close, #info-close {
  position: sticky;
  top: 0;
  float: right;
  background: none;
  border: 1px solid var(--line);
  color: var(--fg);
  width: 38px; height: 38px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 2;
}

.detail-fullscreen-btn {
  position: sticky;
  top: 0;
  float: right;
  margin-right: 10px;
  background: none;
  border: 1px solid var(--line);
  color: var(--fg);
  width: 38px; height: 38px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s;
}
.detail-fullscreen-btn:hover { border-color: var(--fg); }
.detail-fullscreen-btn svg { width: 16px; height: 16px; }
.detail-fullscreen-btn.hidden { display: none; }

.detail-category {
  display: inline-block;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 40px;
}
#detail-title, .info-inner h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 10px 0 4px;
  font-weight: 600;
  line-height: 1.02;
}
#detail-year {
  color: var(--fg-dim);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}
#detail-blurb, .info-inner p {
  color: var(--fg-dim);
  line-height: 1.65;
  font-size: 1rem;
  margin: 22px 0;
  max-width: 46ch;
}
.detail-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.detail-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.detail-visual {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 12px;
}
.detail-visual canvas { width: 100%; height: 100%; display: block; object-fit: cover; }
.detail-visual video { width: 100%; height: 100%; display: block; object-fit: contain; background: #000; }
.detail-visual .youtube-embed { width: 100%; height: 100%; display: block; background: #000; border: 0; }
.detail-visual .game-embed { width: 100%; height: 100%; display: block; background: #000; border: 0; }

.video-audio-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.video-audio-controls.hidden { display: none; }
.video-audio-controls .icon-btn { flex-shrink: 0; }
#video-volume {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 3px;
  background: var(--line);
  border-radius: 999px;
  outline: none;
}
#video-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--fg);
  cursor: pointer;
}
#video-volume::-moz-range-thumb {
  width: 14px; height: 14px;
  border: none;
  border-radius: 50%;
  background: var(--fg);
  cursor: pointer;
}

.sound-block { margin-bottom: 20px; }
.sound-block.hidden { display: none; }

.synth-block { margin-bottom: 20px; }
.synth-block.hidden { display: none; }
#play-sound-btn {
  background: none;
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.8rem;
  cursor: pointer;
  margin-bottom: 12px;
  transition: background 0.3s;
}
#play-sound-btn:hover { background: var(--fg); color: var(--bg); }
#waveform {
  width: 100%;
  height: 80px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
}

.detail-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.ghost-btn {
  background: none;
  border: none;
  color: var(--fg-dim);
  font-size: 0.85rem;
  cursor: pointer;
  transition: color 0.3s;
}
.ghost-btn:hover { color: var(--fg); }

.muted { color: var(--fg-dim); font-size: 0.85rem; }
.contact-link {
  display: inline-block;
  margin: 10px 0 24px;
  color: var(--fg);
  font-size: 1.4rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.social-links { display: flex; gap: 18px; }
.social-links a { color: var(--fg-dim); text-decoration: none; font-size: 0.85rem; }
.social-links a:hover { color: var(--fg); }

/* ---------- Synth panel ---------- */
.synth-row {
  display: grid;
  grid-template-columns: 64px 1fr 68px;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.synth-row:last-child { margin-bottom: 0; }
.synth-row label {
  font-size: 0.78rem;
  color: var(--fg-dim);
}
.synth-row input[type="range"] { grid-column: 2 / 3; }
.synth-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--line);
  border-radius: 999px;
  outline: none;
}
.synth-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--fg);
  cursor: pointer;
}
.synth-row input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border: none;
  border-radius: 50%;
  background: var(--fg);
  cursor: pointer;
}
.synth-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  color: var(--fg-dim);
  text-align: right;
}

.midi-connect {
  margin: 2px 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.midi-btn {
  background: none;
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.midi-btn:hover { background: var(--fg); color: var(--bg); }
.midi-btn.connected { border-color: var(--c-sound); color: var(--c-sound); }
.midi-status {
  display: block;
  margin-top: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--fg-dim);
}

.synth-row--osc { margin-bottom: 18px; }
.osc-cycle-group {
  grid-column: 2 / 4;
  display: flex;
  gap: 8px;
}
.osc-cycle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 35% 30%, rgba(255,184,79,0.25), rgba(255,184,79,0.04) 70%);
  color: var(--c-sound);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
}
.osc-cycle:hover {
  border-color: var(--c-sound);
  transform: scale(1.08);
  box-shadow: 0 0 12px -2px var(--c-sound);
}

.eq-widget { margin-top: 4px; }
#eq-canvas {
  width: 100%;
  height: 132px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: crosshair;
  background: #05060a;
}
.eq-readout {
  margin-top: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
  text-transform: lowercase;
}

/* ---------- Debug panel ---------- */
.debug-toggle-btn {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 60;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
  font-size: 1rem;
  backdrop-filter: blur(14px);
  transition: border-color 0.3s;
}
.debug-toggle-btn:hover { border-color: var(--fg); }
.debug-toggle-btn.has-unread { border-color: var(--c-animation); box-shadow: 0 0 0 2px rgba(79,209,255,0.25); }
.debug-toggle-btn.has-error { border-color: #ff6b6b; box-shadow: 0 0 0 2px rgba(255,107,107,0.3); }

.debug-panel {
  position: fixed;
  left: 16px;
  bottom: 62px;
  z-index: 60;
  width: min(440px, calc(100vw - 32px));
  max-height: 46vh;
  display: flex;
  flex-direction: column;
  background: rgba(6,7,11,0.96);
  border: 1px solid var(--line);
  border-radius: 10px;
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  overflow: hidden;
}
.debug-panel.hidden { display: none; }
.debug-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.debug-panel-actions { display: flex; gap: 6px; }
.debug-panel-actions button {
  background: none;
  border: 1px solid var(--line);
  color: var(--fg-dim);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.68rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.debug-panel-actions button:hover { color: var(--fg); border-color: var(--fg); }
.debug-panel-log {
  overflow-y: auto;
  padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--fg-dim);
}
.debug-line { white-space: pre-wrap; word-break: break-word; }
.debug-line.debug-error { color: #ff6b6b; }
.debug-line.debug-info { color: var(--fg); }

/* ---------- Utility ---------- */
.hidden { display: none !important; }

@media (max-width: 720px) {
  #category-nav { display: none; }
  #project-card { max-width: calc(100vw - 40px); bottom: 90px; }
  #jump-controls { bottom: 20px; right: 20px; }
  #detail-panel, #info-panel { width: 100vw; }
}