/* ==========================================================================
   SAASÓMETRO — sistema monopo saigon
   Monocromo radical + un único gesto cromático (media iridiscente de fondo).
   Tokens: variables.css / tokens.json
   ========================================================================== */

:root {
  /* Colores */
  --color-obsidian: #000000;
  --color-paper: #ffffff;
  --color-inkstone: #181818;
  --color-felt-gray: #6d6d6d;
  --color-ash-mist: #9a9a9a;
  --color-pewter: #808080;

  /* Tipografía — Roobert no es libre; Inter es el sustituto indicado en DESIGN.md */
  --font-roobert: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --text-caption: 12px;   --leading-caption: 1.19;
  --text-body-sm: 16px;   --leading-body-sm: 1.15;
  --text-body: 18px;      --leading-body: 1.21;
  --text-subheading: 39px;--leading-subheading: 1.19;

  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;

  /* Espaciado */
  --spacing-8: 8px;   --spacing-12: 12px;  --spacing-28: 28px;
  --spacing-40: 40px; --spacing-48: 48px;  --spacing-64: 64px;

  /* Layout */
  --page-max-width: 1078px;
  --element-gap: 14px;

  /* Radios: el sistema salta de 0px a pill 75px, nunca en medio */
  --radius-buttons: 75px;

  /* Bordes sobre superficie oscura */
  --border-dark-surface: rgba(255, 255, 255, 0.3);

  /* Motion — paciente, planea en vez de chasquear */
  --ease-glide: cubic-bezier(0.19, 1, 0.22, 1);
}

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

/* El atributo hidden debe ganar siempre, aunque el elemento tenga su propio
   display: flex/grid — si no, hidden = true no oculta nada. */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-obsidian);
  color: var(--color-paper);
  font-family: var(--font-roobert);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overscroll-behavior: none;
}

/* --------------------------------------------------------------------------
   Media iridiscente — verde salvia -> ámbar fundido -> oxblood.
   Único lugar del sistema donde aparece color. Nunca en controles.
   -------------------------------------------------------------------------- */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--color-obsidian);
  transition: filter 1.25s var(--ease-glide);
}

.blob {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}

.blob--a {
  width: 70vmax; height: 70vmax;
  left: -18vmax; top: -22vmax;
  background: radial-gradient(circle at 50% 50%, rgb(160, 224, 171), rgba(160, 224, 171, 0) 70%);
  animation: drift-a 26s var(--ease-glide) infinite alternate;
}

.blob--b {
  width: 78vmax; height: 78vmax;
  right: -24vmax; top: 4vmax;
  background: radial-gradient(circle at 50% 50%, rgb(255, 172, 46), rgba(255, 172, 46, 0) 70%);
  animation: drift-b 31s var(--ease-glide) infinite alternate;
}

.blob--c {
  width: 86vmax; height: 86vmax;
  left: 8vmax; bottom: -46vmax;
  background: radial-gradient(circle at 50% 50%, rgb(165, 45, 37), rgba(165, 45, 37, 0) 70%);
  animation: drift-c 37s var(--ease-glide) infinite alternate;
}

/* Velo oscuro: la tipografía siempre manda sobre la media */
.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 45%, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.86) 75%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.35) 40%, rgba(0, 0, 0, 0.8));
}

.grain {
  position: absolute;
  inset: -50%;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(14vw, 10vh, 0) scale(1.18); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.1); }
  to   { transform: translate3d(-12vw, 14vh, 0) scale(0.92); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 0, 0) scale(0.95); }
  to   { transform: translate3d(10vw, -12vh, 0) scale(1.2); }
}

/* Pulso del fondo al contar */
body.is-bumping .backdrop { filter: brightness(1.7) saturate(1.25); transition-duration: 0.12s; }

/* --------------------------------------------------------------------------
   Navegación — barra transparente de 66px, sin fondo ni sombra
   -------------------------------------------------------------------------- */

.nav {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--page-max-width);
  height: 66px;
  padding: 0 var(--spacing-28);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-12);
}

.nav__logo {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-paper);
  text-decoration: none;
  border-radius: 0;
}

.nav__dim { color: var(--color-ash-mist); }

.nav__menu { display: flex; align-items: center; gap: var(--spacing-28); }

.nav__item {
  font-size: 11px;
  line-height: 1.36;
  letter-spacing: 0.18em;
  color: var(--color-ash-mist);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  transition: color 0.8s var(--ease-glide);
}

.nav__item::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-pewter);
  transition: background 0.8s var(--ease-glide), box-shadow 0.8s var(--ease-glide);
}

.nav__item.is-live { color: var(--color-paper); }
.nav__item.is-live::before {
  background: var(--color-paper);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
}

.nav__user {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ash-mist);
}

.nav__logout {
  background: transparent;
  border: 1px solid var(--border-dark-surface);
  border-radius: var(--radius-buttons);
  padding: 6px 14px;
  color: var(--color-paper);
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.18em;
  cursor: pointer;
  transition: border-color 0.8s var(--ease-glide), background-color 0.8s var(--ease-glide);
}

.nav__logout:hover { border-color: var(--color-paper); background: rgba(255, 255, 255, 0.06); }

/* --------------------------------------------------------------------------
   Acceso — login / registro, mismo lenguaje visual que el resto
   -------------------------------------------------------------------------- */

.auth {
  position: relative;
  z-index: 2;
  flex: 1;
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-28) var(--spacing-28) var(--spacing-64);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--element-gap);
}

.auth__title {
  font-size: clamp(28px, 6vw, 44px);
}

.auth__form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  margin-top: var(--spacing-12);
}

.auth__field {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  text-align: left;
}

.auth__field span {
  font-size: 11px;
  line-height: 1.36;
  letter-spacing: 0.18em;
  color: var(--color-ash-mist);
}

.auth__field input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-dark-surface);
  border-radius: 0;
  padding: 10px 2px;
  color: var(--color-paper);
  font: inherit;
  font-size: var(--text-body-sm);
  transition: border-color 0.8s var(--ease-glide);
}

.auth__field input:focus { outline: none; border-color: var(--color-paper); }
.auth__field input::placeholder { color: var(--color-felt-gray); }

.auth__submit { align-self: center; margin-top: var(--spacing-8); }

.auth__toggle {
  margin-top: var(--spacing-8);
  background: none;
  border: none;
  padding: 0;
  color: var(--color-ash-mist);
  font: inherit;
  font-size: var(--text-caption);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.auth__toggle:hover { color: var(--color-paper); }

/* --------------------------------------------------------------------------
   Log de pulsaciones — quién ha pulsado, para no solaparse
   -------------------------------------------------------------------------- */

.log {
  margin: var(--spacing-28) 0 0;
  padding: 0;
  list-style: none;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-8);
  font-size: var(--text-caption);
  color: var(--color-ash-mist);
  opacity: 0;
  animation: log-in 0.6s var(--ease-glide) forwards;
}

.log__item:first-child { color: var(--color-paper); }

.log__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.log__when {
  flex: none;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
}

.log__date { color: var(--color-pewter); }

@keyframes log-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Hero — el número es el héroe
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  z-index: 2;
  flex: 1;
  width: 100%;
  max-width: var(--page-max-width);
  padding: var(--spacing-28) var(--spacing-28) var(--spacing-64);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--element-gap);
}

.eyebrow {
  margin: 0;
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: 0.28em;
  color: var(--color-ash-mist);
  text-transform: uppercase;
}

.counter { position: relative; }

.counter__number {
  display: block;
  font-size: clamp(96px, 27vw, 225px);
  line-height: 0.9;
  font-weight: var(--font-weight-regular);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--color-paper);
  transition: transform 0.9s var(--ease-glide), opacity 0.9s var(--ease-glide), color 0.5s var(--ease-glide),
    text-shadow 0.5s var(--ease-glide);
}

.counter__number.is-hit { transform: scale(1.06); transition-duration: 0.12s; }

/* Milestone — número mágico alcanzado, el único sitio donde el número lleva color */
.counter__milestone {
  margin: var(--spacing-8) 0 0;
  font-size: var(--text-caption);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.5s var(--ease-glide), transform 0.5s var(--ease-glide);
}

.counter__milestone.is-visible { opacity: 1; transform: translateY(0); }

/* «+1» que asciende y se disuelve */
.counter__floaters {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.floater {
  position: absolute;
  left: 50%;
  top: 8%;
  font-size: var(--text-subheading);
  line-height: 1;
  font-weight: var(--font-weight-light);
  color: var(--color-paper);
  animation: rise 1.25s var(--ease-glide) forwards;
}

@keyframes rise {
  from { opacity: 0.9; transform: translate(-50%, 0) scale(1); }
  to   { opacity: 0;   transform: translate(-50%, -140px) scale(1.25); }
}

.word {
  margin: 0;
  font-size: clamp(34px, 7vw, 78px);
  line-height: 1.1;
  font-weight: var(--font-weight-light); /* susurro, nunca grito */
  color: var(--color-paper);
  max-width: 20ch;
  overflow-wrap: anywhere;
}

/* --------------------------------------------------------------------------
   Ghost Pill Button (superficie oscura)
   -------------------------------------------------------------------------- */

.pill {
  margin-top: var(--spacing-12);
  padding: 11px 33px;
  min-height: 48px;
  background: transparent;
  border: 1px solid var(--border-dark-surface);
  border-radius: var(--radius-buttons);
  color: var(--color-paper);
  font-family: inherit;
  font-size: var(--text-body-sm);
  line-height: var(--leading-body-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.06em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  transition:
    transform 0.8s var(--ease-glide),
    border-color 0.8s var(--ease-glide),
    background-color 0.8s var(--ease-glide);
}

.pill:hover { border-color: var(--color-paper); background: rgba(255, 255, 255, 0.06); }
.pill:focus-visible { outline: 1px solid var(--color-paper); outline-offset: 4px; }
.pill:active { transform: scale(0.97); transition-duration: 0.1s; }
.pill[disabled] { opacity: 0.4; cursor: default; }

/* --------------------------------------------------------------------------
   Estadísticas — anotaciones silenciosas
   -------------------------------------------------------------------------- */

.stats {
  margin: var(--spacing-28) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: var(--element-gap);
  color: var(--color-ash-mist);
}

.stats__item { display: flex; align-items: baseline; gap: var(--spacing-8); }

.stats dt {
  font-size: 11px;
  line-height: 1.36;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.stats dd {
  margin: 0;
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  font-variant-numeric: tabular-nums;
  color: var(--color-paper);
}

.stats__sep { color: var(--color-felt-gray); }

.status {
  margin: var(--spacing-12) 0 0;
  min-height: 1.2em;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-felt-gray);
  transition: color 0.8s var(--ease-glide);
}

.status.is-error { color: var(--color-paper); }

/* --------------------------------------------------------------------------
   Badge circular rotatorio — único ornamento del sistema
   -------------------------------------------------------------------------- */

.badge {
  position: fixed;
  left: var(--spacing-40);
  bottom: var(--spacing-40);
  z-index: 2;
  width: 108px;
  height: 108px;
  pointer-events: none;
}

.badge svg {
  width: 100%;
  height: 100%;
  animation: spin 24s linear infinite;
}

.badge text {
  font-family: var(--font-roobert);
  font-size: 8.5px;
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.18em;
  fill: var(--color-paper);
  opacity: 0.55;
}

.badge__dot {
  position: absolute;
  left: 50%; top: 50%;
  width: 5px; height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: var(--color-paper);
  opacity: 0.55;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--page-max-width);
  padding: 0 var(--spacing-28) var(--spacing-28);
  text-align: right;
}

.footer p {
  margin: 0;
  font-size: 11px;
  line-height: 1.36;
  color: var(--color-felt-gray);
}

/* --------------------------------------------------------------------------
   Responsive — a 400px sigue respirando
   -------------------------------------------------------------------------- */

@media (max-width: 720px) {
  .badge { display: none; }
  .hero { padding: var(--spacing-12) 16px var(--spacing-40); }
  .nav { padding: 0 16px; }
  .footer { padding: 0 16px var(--spacing-28); text-align: center; }
  .stats { gap: var(--spacing-8); }
  .stats__sep { display: none; }
  .stats__item { flex-basis: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .blob, .badge svg { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  .floater { animation-duration: 0.4s; }
  .log__item { animation: none; opacity: 1; }
}