/* Plutón — sistema de diseño compartido.
   Tokens, tipografías y una base mínima. Cada proyecto lleva su propia copia. */

@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-Variable.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;

  /* Color */
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c232c;
  --surface-3: #262e39;
  --border: #30363d;
  --border-strong: #484f58;
  --text: #e6edf3;
  --text-2: #8b949e;
  --accent: #c9a27e;
  --accent-hover: #d6b393;
  --accent-soft: rgba(201, 162, 126, 0.14);
  --accent-ink: #1a130c;
  --cold: #58a6ff;
  --cold-soft: rgba(88, 166, 255, 0.14);
  --alert: #ff7a3d;
  --alert-soft: rgba(255, 122, 61, 0.14);
  --pluto-heart: #efe3d3;
  --rocket: #f4f6f8;
  --rocket-line: transparent;
  --star: #e6edf3;
  --star-warm: #c9a27e;
  --star-cold: #9cc7ff;
  --orbit: #30363d;

  /* Tipografía */
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-md: 0.9375rem;
  --fs-lg: 1.125rem;
  --fs-xl: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  --fs-display: clamp(2.25rem, 1.4rem + 3.6vw, 4rem);

  /* Espaciado y forma */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4.5rem;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --page-max: 1180px;
  --page-pad: clamp(1rem, 4vw, 2.5rem);

  /* Movimiento: siempre curvas; linear solo para rotaciones continuas */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 140ms;
  --t-med: 320ms;
  --t-slow: 720ms;
}

/* Modo claro: el mismo cielo como carta estelar sobre papel. Lo activa theme.js
   con data-theme en <html>. Los acentos se oscurecen para mantener contraste AA
   como texto; lo blanco (cohete, sondas) se sostiene con un contorno de tinta. */
:root[data-theme="light"] {
  color-scheme: light;

  --bg: #f4f1ec;
  --surface: #fbfaf7;
  --surface-2: #ece7df;
  --surface-3: #e0d9ce;
  --border: #d5cec3;
  --border-strong: #9c9285;
  --text: #1b1f24;
  --text-2: #57606a;
  --accent: #7e5027;
  --accent-hover: #693f1c;
  --accent-soft: rgba(126, 80, 39, 0.12);
  --accent-ink: #fffaf3;
  --cold: #0a5cc2;
  --cold-soft: rgba(10, 92, 194, 0.1);
  --alert: #b13a09;
  --alert-soft: rgba(177, 58, 9, 0.1);
  --rocket: #ffffff;
  --rocket-line: #3d4650;
  --star: #6b7480;
  --star-warm: #a8733f;
  --star-cold: #3f7fd0;
  --orbit: #b9b0a3;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--fs-md);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  margin: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

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

a {
  color: var(--cold);
  text-underline-offset: 0.2em;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--cold);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

[hidden] {
  display: none !important;
}

/* Utilidades compartidas */

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "zero" 1;
}

/* Etiqueta tipo consola: "> status: ok" */
.console {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--text-2);
}

.console::before {
  content: "> ";
  color: var(--accent);
}

.console b,
.console strong {
  font-weight: 500;
  color: var(--text);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 44px;
  padding: 0 var(--s-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  color: var(--text);
  transition:
    background-color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
}

.btn:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
}

.btn:active {
  transform: scale(0.97);
}

.btn--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.btn--accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Armazón de página común a los 10 proyectos */
.page {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  width: 100%;
  max-width: var(--page-max);
  min-height: 100vh;
  min-height: 100dvh;
  margin-inline: auto;
  padding: var(--s-5) var(--page-pad) var(--s-5);
}

.page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2) var(--s-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

.brand svg,
.brand img {
  width: 26px;
  height: 26px;
  flex: none;
}

/* Con el interruptor de tema la cabecera tiene tres piezas: marca a la izquierda,
   estado e interruptor a la derecha. En pantallas estrechas el estado baja a su
   propia línea para que el interruptor no quede suelto. */
.page-head > .console {
  margin-left: auto;
}

@media (max-width: 640px) {
  .page-head > .console {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
  }
}

/* Interruptor de modo claro / oscuro (lo conecta theme.js) */
.theme-toggle {
  position: relative;
  flex: none;
  width: 52px;
  height: 28px;
  /* 28 px de alto frente a los 26 de la marca: el margen evita que la cabecera crezca */
  margin-block: -1px;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out);
}

.theme-toggle:hover {
  border-color: var(--border-strong);
}

/* Toque cómodo (44 px de alto) sin agrandar el interruptor a la vista */
.theme-toggle::after {
  content: "";
  position: absolute;
  inset: -9px -4px;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  background: var(--surface-3);
  border-radius: 50%;
  transition: transform var(--t-med) var(--ease-spring);
}

.theme-toggle-thumb svg {
  grid-area: 1 / 1;
  width: 14px;
  height: 14px;
  transition: opacity var(--t-med) var(--ease-out);
}

.theme-toggle-sun {
  opacity: 0;
}

:root[data-theme="light"] .theme-toggle-thumb {
  transform: translateX(24px);
}

:root[data-theme="light"] .theme-toggle-moon {
  opacity: 0;
}

:root[data-theme="light"] .theme-toggle-sun {
  opacity: 1;
}

/* El cambio de tema es un fundido corto de toda la página (View Transitions) */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 220ms;
  animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
}

.page-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-2) var(--s-4);
  margin-top: auto;
  padding-top: var(--s-4);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-2);
}

.page-foot a {
  color: var(--text-2);
}

.page-foot a:hover {
  color: var(--text);
}

/* Campo de estrellas (lo crea starfield.js) */
.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.starfield canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.starfield i {
  position: absolute;
  border-radius: 50%;
  background: var(--star);
  opacity: 0.2;
  animation: star-twinkle var(--twinkle, 5s) var(--ease-in-out) var(--delay, 0s) infinite alternate;
  will-change: opacity;
}

@keyframes star-twinkle {
  from {
    opacity: 0.12;
  }
  to {
    opacity: 0.85;
  }
}

/* Órbita punteada reutilizable para SVG */
.orbit-dashed {
  fill: none;
  stroke: var(--orbit);
  stroke-width: 1;
  stroke-dasharray: 2 6;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

/* Movimiento reducido: sin desplazamientos, solo fundidos de opacidad */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-property: opacity !important;
    transition-duration: 200ms !important;
  }

  .starfield i {
    animation: none;
    opacity: 0.4;
  }
}