:root {
  --bg: #030407;
  --ink: #f5f7fb;
  --muted: #9aa6b8;
  --cyan: #61dbe3;
  --acid: #caff6a;
  --coral: #ff7b5f;
  --amber: #ffd166;
  --violet: #9b6cff;
  --glass: rgba(4, 7, 12, 0.5);
  --line: rgba(245, 247, 251, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 123, 95, 0.12), transparent 22%),
    radial-gradient(circle at 76% 62%, rgba(97, 219, 227, 0.12), transparent 25%),
    linear-gradient(135deg, #05070b 0%, #030407 48%, #07090f 100%);
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
}

button,
input {
  font: inherit;
}

button,
a,
input {
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  left: 14px;
  top: 12px;
  z-index: 80;
  transform: translateY(-180%);
  padding: 10px 12px;
  border-radius: 6px;
  background: #f5f7fb;
  color: #040507;
  font-weight: 800;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.scan-field,
.grain-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.scan-field {
  z-index: 1;
  background-image:
    linear-gradient(112deg, rgba(97, 219, 227, 0.07) 1px, transparent 1px),
    repeating-linear-gradient(0deg, rgba(245, 247, 251, 0.035) 0 1px, transparent 1px 8px),
    linear-gradient(90deg, transparent, rgba(202, 255, 106, 0.038), transparent);
  background-size: 92px 54px, 100% 8px, 100% 100%;
  mask-image: linear-gradient(180deg, #000 0%, #000 74%, transparent 100%);
  opacity: 0.48;
}

.grain-field {
  z-index: 4;
  opacity: 0.075;
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.8) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(0deg, rgba(97, 219, 227, 0.6) 0 1px, transparent 1px 113px);
  mix-blend-mode: screen;
}

.lab-shell {
  position: fixed;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}

.pca-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(245, 247, 251, 0.035), transparent 16%, transparent 78%, rgba(5, 6, 9, 0.68)),
    radial-gradient(circle at 50% 48%, rgba(202, 255, 106, 0.035), transparent 34%);
}

.pca-stage::before,
.pca-stage::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.pca-stage::before {
  background:
    linear-gradient(90deg, rgba(5, 6, 9, 0.72), transparent 16%, transparent 84%, rgba(5, 6, 9, 0.68)),
    linear-gradient(180deg, rgba(5, 6, 9, 0.45), transparent 30%, rgba(5, 6, 9, 0.52));
}

.pca-stage::after {
  border: 1px solid rgba(245, 247, 251, 0.07);
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.58);
}

.pca-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

.map-overlay,
.rain-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.map-overlay {
  z-index: 8;
  perspective: 900px;
}

.rain-layer {
  z-index: 12;
  overflow: hidden;
}

.axis-label {
  position: absolute;
  z-index: 9;
  color: rgba(245, 247, 251, 0.48);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  text-shadow: 0 0 16px rgba(97, 219, 227, 0.2);
  pointer-events: none;
}

.axis-x {
  left: 72%;
  top: 54%;
  color: rgba(202, 255, 106, 0.62);
}

.axis-y {
  left: 51%;
  top: 18%;
  color: rgba(255, 209, 102, 0.62);
}

.axis-z {
  left: 32%;
  top: 62%;
  color: rgba(97, 219, 227, 0.62);
}

.embedding-node {
  position: absolute;
  left: var(--node-screen-x, 50%);
  top: var(--node-screen-y, 50%);
  z-index: var(--node-z, 10);
  width: var(--node-size, 62px);
  height: var(--node-size, 62px);
  border: 1px solid rgba(var(--node-color-rgb, 97, 219, 227), 0.58);
  background: rgba(4, 7, 12, 0.22);
  /* Sombra reducida drásticamente por rendimiento */
  box-shadow: 0 0 10px rgba(var(--node-color-rgb, 97, 219, 227), 0.15);
  transform:
    translate(-50%, -50%)
    scale(var(--node-scale, 1))
    rotate(var(--node-tilt, 0deg));
  transform-origin: center;
  transition:
    left 620ms cubic-bezier(0.2, 0.9, 0.1, 1),
    top 620ms cubic-bezier(0.2, 0.9, 0.1, 1),
    transform 620ms cubic-bezier(0.2, 0.9, 0.1, 1),
    opacity 220ms ease;
  opacity: var(--node-opacity, 0.72);
  will-change: left, top, transform;
}

.embedding-node::before,
.embedding-node::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.embedding-node::before {
  inset: -12px;
  border: 1px solid rgba(var(--node-color-rgb, 97, 219, 227), 0.14);
  transform: rotate(calc(var(--node-tilt, 0deg) * -1));
}

.embedding-node::after {
  left: 50%;
  top: 50%;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, rgba(var(--node-color-rgb, 97, 219, 227), 0.56), transparent);
  transform: rotate(var(--node-vector-angle, 0deg));
  transform-origin: left center;
}

.embedding-node img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.84;
}

.embedding-node span {
  display: none;
}

.embedding-node.is-current {
  opacity: 0.96;
  border-color: rgba(202, 255, 106, 0.86);
  box-shadow: 0 0 20px rgba(202, 255, 106, 0.2);
  animation: nodeLand 920ms ease both;
}

.rain-frame {
  position: absolute;
  left: var(--rain-x, 50%);
  top: -26vh;
  z-index: var(--rain-z, 10);
  width: var(--rain-size, 150px);
  aspect-ratio: var(--rain-ratio, 0.75);
  border: 1px solid rgba(97, 219, 227, 0.24);
  background: rgba(3, 5, 8, 0.36);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  overflow: visible;
  transform:
    translate3d(0, 0, var(--rain-depth, 0px))
    rotate(var(--rain-tilt, 0deg));
  animation: rainFall var(--rain-speed, 4600ms) linear forwards;
  will-change: transform, opacity;
}

.rain-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.86;
}

.rain-frame span {
  display: none;
}

.query-dock {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 40;
  width: min(430px, calc(100vw - 32px));
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: 8px;
  pointer-events: none;
}

.back-link,
.query-form {
  pointer-events: auto;
}

.back-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(202, 255, 106, 0.18);
  border-radius: 6px;
  background: rgba(2, 4, 7, 0.56);
  color: rgba(245, 247, 251, 0.82);
  font-weight: 800;
  backdrop-filter: blur(16px);
}

.query-form label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.query-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 84px;
  gap: 6px;
  padding: 7px;
  border: 1px solid rgba(97, 219, 227, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(97, 219, 227, 0.08), transparent 45%),
    rgba(3, 6, 10, 0.66);
  backdrop-filter: blur(18px) saturate(1.12);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.34);
}

.query-row input,
.query-row button {
  min-width: 0;
  min-height: 34px;
  border: 1px solid rgba(245, 247, 251, 0.16);
  border-radius: 5px;
  background: rgba(12, 16, 22, 0.72);
  color: var(--ink);
}

.query-row input {
  padding: 0 10px;
  outline: none;
}

.query-row input:focus {
  border-color: rgba(97, 219, 227, 0.62);
  box-shadow: 0 0 0 2px rgba(97, 219, 227, 0.12);
}

.query-row button {
  cursor: pointer;
  border-color: rgba(255, 123, 95, 0.34);
  background: rgba(255, 123, 95, 0.14);
  font-weight: 800;
}

.machine-readout,
.focus-readout {
  position: fixed;
  z-index: 35;
  pointer-events: none;
  font-family: 'IBM Plex Mono', monospace;
}

.machine-readout {
  left: 18px;
  bottom: 18px;
  width: min(720px, calc(100vw - 36px));
  display: grid;
  grid-template-columns: 1fr 0.7fr 1fr 1.2fr;
  gap: 10px;
}

.readout-line {
  min-width: 0;
  padding: 4px 0;
  border-top: 1px solid rgba(97, 219, 227, 0.18);
}

.readout-line span {
  display: block;
  margin-bottom: 4px;
  color: rgba(245, 247, 251, 0.48);
  font-size: 0.58rem;
  text-transform: uppercase;
}

.readout-line strong {
  display: block;
  overflow: hidden;
  color: rgba(245, 247, 251, 0.88);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.focus-readout {
  right: 18px;
  top: 18px;
  width: min(420px, calc(100vw - 470px));
  min-width: 320px;
  color: rgba(245, 247, 251, 0.86);
  text-shadow: 0 0 18px rgba(0, 0, 0, 0.64);
}

.kicker {
  margin: 0 0 8px;
  color: rgba(202, 255, 106, 0.86);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
}

.focus-readout h1 {
  margin: 0 0 8px;
  color: rgba(245, 247, 251, 0.94);
  font-size: clamp(1rem, 1.85vw, 1.44rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.focus-readout p {
  margin: 0;
  color: rgba(245, 247, 251, 0.64);
  font-size: 0.68rem;
  line-height: 1.35;
}

.learning-log {
  height: 182px;
  margin: 14px 0 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
  color: rgba(159, 255, 138, 0.82);
  font-size: 0.68rem;
  line-height: 1.45;
}

.learning-log li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 8px;
  border-bottom: 1px solid rgba(138, 255, 114, 0.06);
}

.learning-log li:first-child {
  animation: logWake 1500ms ease;
}

.learning-log strong {
  color: rgba(97, 219, 227, 0.86);
}

.learning-log span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes rainFall {
  0% {
    opacity: 0;
    transform:
      translate3d(0, -14vh, var(--rain-depth, 0px))
      rotate(var(--rain-tilt, 0deg))
      scale(0.86);
  }

  8% {
    opacity: var(--rain-opacity, 0.86);
  }

  74% {
    opacity: var(--rain-opacity, 0.86);
  }

  100% {
    opacity: 0;
    transform:
      translate3d(var(--rain-drift, 0px), 132vh, var(--rain-depth, 0px))
      rotate(calc(var(--rain-tilt, 0deg) + var(--rain-spin, 24deg)))
      scale(1.08);
  }
}

@keyframes nodeLand {
  0% {
    opacity: 0;
    transform:
      translate(-50%, -50%)
      scale(0.46)
      rotate(calc(var(--node-tilt, 0deg) - 18deg));
  }

  100% {
    opacity: 0.96;
    transform:
      translate(-50%, -50%)
      scale(var(--node-scale, 1))
      rotate(var(--node-tilt, 0deg));
  }
}

@keyframes logWake {
  0% {
    opacity: 0.18;
    transform: translateX(-8px);
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

#connectionOverlay {
  position: absolute;
  inset: 0;
  z-index: 11;
  pointer-events: none;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.constellation-path {
  fill: none;
  stroke: rgba(245, 247, 251, 0.25);
  stroke-width: 1px;
  stroke-dasharray: 4 4;
  filter: drop-shadow(0 0 3px rgba(97, 219, 227, 0.6));
  animation: starPulse 6s linear infinite;
}

@keyframes starPulse {
  0% { opacity: 0.2; stroke-dashoffset: 0; }
  50% { opacity: 0.8; stroke-dashoffset: -40; }
  100% { opacity: 0.2; stroke-dashoffset: -80; }
}

.floating-text-panel {
  position: fixed;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  width: min(320px, 28vw);
  background: rgba(4, 7, 12, 0.6);
  backdrop-filter: blur(8px);
  border-left: 2px solid var(--cyan);
  padding: 16px 20px;
  color: rgba(245, 247, 251, 0.9);
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.floating-text-panel.is-visible {
  opacity: 1;
}

@media (max-width: 980px) {
  .floating-text-panel {
    display: none !important;
  }

  .query-dock {
    grid-template-columns: 1fr;
    width: min(360px, calc(100vw - 24px));
    left: 12px;
    top: 12px;
  }

  .back-link {
    display: none;
  }

  .focus-readout {
    top: 72px;
    right: 12px;
    width: min(390px, calc(100vw - 24px));
    min-width: 0;
  }

  .machine-readout {
    left: 12px;
    bottom: 12px;
    width: calc(100vw - 24px);
    grid-template-columns: 1fr 1fr;
  }

  .embedding-node span {
    display: none;
  }
}

@media (max-width: 620px) {
  .query-row {
    grid-template-columns: minmax(0, 1fr) 74px;
  }

  .focus-readout {
    opacity: 0.82;
  }

  .learning-log {
    display: none;
  }

  .machine-readout {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .readout-line strong {
    font-size: 0.66rem;
  }

  .rain-frame {
    width: min(var(--rain-size, 126px), 34vw);
  }

  .embedding-node {
    width: calc(var(--node-size, 52px) * 0.8);
    height: calc(var(--node-size, 52px) * 0.8);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}