:root {
  --bg: #020203;
  --line: rgba(235, 247, 255, 0.3);
  --line-strong: rgba(240, 253, 255, 0.68);
  --neon: #86d7ff;
  --text-main: rgba(236, 244, 255, 0.9);
  --text-sub: rgba(196, 214, 238, 0.62);
  --panel: rgba(255, 255, 255, 0.02);
}

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

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(circle at 82% 18%, rgba(67, 115, 169, 0.12), transparent 36%),
    radial-gradient(circle at 20% 68%, rgba(54, 109, 128, 0.09), transparent 40%), var(--bg);
  color: var(--text-main);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0.08em;
  overflow: hidden;
}

.enter-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(2px);
  opacity: 1;
  transition: opacity 320ms ease;
}

.enter-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.enter-button {
  border: 1px solid rgba(236, 244, 255, 0.42);
  background: rgba(2, 4, 8, 0.62);
  color: rgba(234, 247, 255, 0.96);
  font-family: inherit;
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  padding: 0.7rem 1rem;
  cursor: pointer;
}

.enter-button:hover {
  border-color: rgba(170, 227, 255, 0.68);
  box-shadow: 0 0 20px rgba(138, 216, 255, 0.2);
}

.noise-layer,
.grid-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise-layer {
  background-image: repeating-radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 3px);
  mix-blend-mode: screen;
  opacity: 0.04;
}

.grid-layer {
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.28;
}

.scene {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(680px, 1fr) 320px;
  gap: 2.2rem;
  width: min(1400px, 94vw);
  margin: 5vh auto 0;
}

.sequencer,
.xy-pad-panel,
.webcam-panel {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0.008));
  border: 1px solid var(--line);
  backdrop-filter: blur(1px);
}

.panel-header {
  display: flex;
  align-items: center;
  padding: 0.78rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.panel-title {
  margin: 0;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--text-sub);
  letter-spacing: 0.24em;
}

.sequencer {
  min-height: 70vh;
  padding-bottom: 0.8rem;
}

.track-list {
  display: grid;
  gap: 0.35rem;
  padding: 0.8rem;
}

.track-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  min-height: 86px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.02), transparent 30%);
  transition: border-color 120ms ease;
}

.track-meta {
  padding-inline: 0.9rem;
  display: grid;
  gap: 0.24rem;
}

.track-name {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.18em;
}

.track-gesture {
  margin: 0;
  font-size: 0.58rem;
  font-weight: 400;
  color: var(--text-sub);
  letter-spacing: 0.14em;
}

.clip-lane {
  display: grid;
  grid-template-columns: repeat(8, minmax(56px, 1fr));
  gap: 0.38rem;
  padding: 0.9rem;
}

.clip-slot {
  position: relative;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(130deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  overflow: hidden;
}

.clip-slot::before,
.clip-slot::after {
  content: "";
  position: absolute;
  inset: 0;
}

.clip-slot::before {
  background-image: linear-gradient(90deg, transparent 50%, rgba(255, 255, 255, 0.09) 50%);
  background-size: 4px 100%;
  opacity: 0.38;
}

.clip-slot::after {
  border-top: 1px solid rgba(129, 214, 255, 0.2);
  border-bottom: 1px solid rgba(129, 214, 255, 0.08);
  transform: skewX(-11deg);
}

.clip-slot.active {
  border-color: rgba(134, 215, 255, 0.64);
  box-shadow: inset 0 0 0 1px rgba(134, 215, 255, 0.2), 0 0 12px rgba(134, 215, 255, 0.2);
}

.clip-slot.active::before {
  opacity: 0.54;
}

.track-row.is-waiting .clip-slot.active {
  animation: pending-blink 180ms steps(2, end) infinite;
}

.track-row.is-active {
  border-color: rgba(236, 244, 255, 0.44);
}

.track-row.is-active .clip-slot.active {
  border-color: rgba(244, 251, 255, 0.95);
  background: linear-gradient(125deg, rgba(230, 247, 255, 0.44), rgba(190, 235, 255, 0.2));
  box-shadow: inset 0 0 0 1px rgba(244, 251, 255, 0.65), 0 0 18px rgba(171, 226, 255, 0.4);
}

@keyframes pending-blink {
  0% {
    opacity: 0.35;
    filter: brightness(0.8);
  }
  50% {
    opacity: 1;
    filter: brightness(1.6);
  }
  100% {
    opacity: 0.35;
    filter: brightness(0.8);
  }
}

.right-column {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
}

.xy-pad-panel {
  padding-bottom: 0.85rem;
}

.xy-pad {
  position: relative;
  width: min(260px, calc(100% - 1.4rem));
  aspect-ratio: 1 / 1;
  margin: 0.8rem auto 0;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.01);
  overflow: hidden;
}

.xy-grid,
.xy-rings {
  position: absolute;
  inset: 0;
}

.xy-grid {
  background-image: linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(135deg, rgba(150, 226, 255, 0.2), transparent 55%),
    linear-gradient(315deg, rgba(150, 226, 255, 0.2), transparent 55%);
  background-size: 26px 26px, 26px 26px, 100% 100%, 100% 100%;
  opacity: 0.5;
}

.xy-rings {
  background-image: radial-gradient(circle at center, transparent 0 24%, rgba(255, 255, 255, 0.18) 24% 24.4%, transparent 24.4% 42%, rgba(255, 255, 255, 0.15) 42% 42.4%, transparent 42.4% 63%, rgba(255, 255, 255, 0.12) 63% 63.4%, transparent 63%);
  mix-blend-mode: screen;
}

.xy-node {
  --x: 66%;
  --y: 34%;
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(173, 228, 255, 0.95);
  box-shadow: 0 0 14px rgba(134, 215, 255, 0.8);
  transform: translate(-50%, -50%);
}

.xy-node::before,
.xy-node::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: rgba(173, 228, 255, 0.4);
  transform: translate(-50%, -50%);
}

.xy-node::before {
  width: 2px;
  height: 180px;
}

.xy-node::after {
  width: 180px;
  height: 2px;
}

.webcam-panel {
  min-height: 220px;
  padding-bottom: 0.82rem;
}

.webcam-frame {
  width: calc(100% - 1.4rem);
  aspect-ratio: 16 / 9;
  min-height: 152px;
  margin: 0.8rem auto 0;
  border: 1px solid var(--line-strong);
  background-image: linear-gradient(transparent 94%, rgba(131, 213, 255, 0.32) 94%),
    linear-gradient(90deg, transparent 94%, rgba(131, 213, 255, 0.32) 94%);
  background-size: 100% 14px, 14px 100%;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.webcam-frame::before,
.webcam-frame::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.webcam-frame::before {
  inset: 8px;
}

.webcam-frame::after {
  inset: 15px;
}

.webcam-placeholder {
  margin: 0;
  font-size: 0.56rem;
  color: var(--text-sub);
  letter-spacing: 0.18em;
  position: absolute;
  z-index: 3;
  mix-blend-mode: screen;
  pointer-events: none;
}

.gesture-readout {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 7px;
  z-index: 4;
  margin: 0;
  padding: 0.22rem 0.4rem;
  border-top: 1px solid rgba(236, 244, 255, 0.26);
  background: linear-gradient(180deg, rgba(2, 2, 3, 0), rgba(2, 2, 3, 0.66));
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  color: rgba(205, 224, 244, 0.9);
  pointer-events: none;
}

.gesture-value {
  color: rgba(238, 249, 255, 0.95);
}

.webcam-video,
.webcam-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.webcam-video {
  filter: grayscale(1) contrast(1.12) brightness(0.64);
}

.webcam-canvas {
  z-index: 2;
}

.webcam-frame.is-live .webcam-placeholder {
  opacity: 0.18;
}

.footer-info {
  position: fixed;
  left: 3vw;
  right: 3vw;
  bottom: 2.2vh;
  z-index: 3;
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding-top: 0.45rem;
}

.footer-info p {
  margin: 0;
  font-size: 0.58rem;
  font-weight: 500;
  color: rgba(209, 230, 251, 0.75);
  letter-spacing: 0.2em;
}


@media (max-width: 1160px) {
  body {
    overflow: auto;
  }

  .scene {
    grid-template-columns: 1fr;
    margin-top: 2.8vh;
    padding-bottom: 7vh;
  }

  .sequencer {
    min-height: auto;
  }

  .track-row {
    grid-template-columns: 132px 1fr;
  }

  .clip-lane {
    grid-template-columns: repeat(4, minmax(52px, 1fr));
  }

  .right-column {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }

  .footer-info {
    position: static;
    width: min(1400px, 94vw);
    margin: 0 auto 2vh;
  }
}

@media (max-width: 760px) {
  .right-column {
    grid-template-columns: 1fr;
  }
}