/* Jarvin — tela de carregamento
   Paleta monocromática. Nenhuma dependência. Nenhuma biblioteca de animação. */

:root {
  --jv-bg:      #0A0B0D;  /* fundo, preto de oficina  */
  --jv-surface: #14161A;  /* superfície elevada       */
  --jv-line:    #262A30;  /* grade e bordas, gunmetal */
  --jv-graphite:#6E747C;  /* segundo tom, em processo */
  --jv-steel:   #8E949B;  /* texto de apoio           */
  --jv-white:   #E8EAED;  /* acento, instrumento      */
  --jv-text:    #F4F5F7;  /* texto principal          */
}

/* ---------- raiz ---------- */
#jv-loader {
  position: fixed; inset: 0; z-index: 9999; overflow: hidden;
  pointer-events: none;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  color: var(--jv-text);
}
#jv-loader[hidden] { display: none; }

/* ---------- cortina: duas metades ---------- */
.jv-panel {
  position: absolute; left: 0; right: 0; height: 50.2%;
  background: var(--jv-bg); overflow: hidden;
  transition: transform 900ms cubic-bezier(.76, 0, .24, 1);
}
.jv-panel--top { top: 0 }
.jv-panel--bottom { bottom: 0 }
#jv-loader.is-exiting .jv-panel--top    { transform: translateY(-101%) }
#jv-loader.is-exiting .jv-panel--bottom { transform: translateY(101%) }

/* o fundo de cada metade é o MESMO desenho em coordenadas de viewport:
   a caixa interna mede 100vh e é ancorada no topo / na base, então as duas
   metades batem pixel a pixel e não existe emenda no meio. */
.jv-bg { position: absolute; left: 0; right: 0; height: 100vh; overflow: hidden }
.jv-panel--top .jv-bg { top: 0 }
.jv-panel--bottom .jv-bg { bottom: 0 }

.jv-halo { position: absolute; border-radius: 50%; }
.jv-halo--a {
  top: -22vh; left: -16vw; width: 66vw; height: 66vw;
  background: var(--jv-white); filter: blur(110px); opacity: .12;
  animation: jvHaloA 11s ease-in-out infinite;
}
.jv-halo--b {
  bottom: -26vh; right: -18vw; width: 62vw; height: 62vw;
  background: var(--jv-steel); filter: blur(130px); opacity: .10;
  animation: jvHaloB 9s ease-in-out infinite;
}
.jv-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--jv-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--jv-line) 1px, transparent 1px);
  background-size: 64px 64px;
  animation: jvGrid 24s linear infinite;
  -webkit-mask-image: radial-gradient(ellipse 68% 62% at 50% 48%, #000 28%, transparent 100%);
          mask-image: radial-gradient(ellipse 68% 62% at 50% 48%, #000 28%, transparent 100%);
}
.jv-scan {
  position: absolute; left: 0; right: 0; top: 0; height: 2px; opacity: .5;
  background: linear-gradient(90deg, transparent, var(--jv-white), transparent);
  animation: jvScan 6s linear infinite;
}

/* ---------- conteúdo ---------- */
.jv-content {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  justify-content: space-between;
  padding: clamp(22px, 3.4vw, 48px) clamp(20px, 4vw, 56px);
  transition: opacity 220ms linear;
}
/* o conteúdo sai ANTES da cortina abrir, senão a fenda corta o texto */
#jv-loader.is-fading .jv-content { opacity: 0 }

.jv-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px }
.jv-mark { display: flex; align-items: center; gap: 12px }
.jv-mono { font-family: "JetBrains Mono", ui-monospace, monospace; letter-spacing: .24em; font-size: 11px; color: var(--jv-steel) }
.jv-status { font-family: "JetBrains Mono", ui-monospace, monospace; letter-spacing: .24em; font-size: 11px; color: var(--jv-white); animation: jvPulse 2.6s ease-in-out infinite }

.jv-middle { display: flex; flex-direction: column; gap: clamp(14px, 2vw, 26px) }
.jv-title-row { display: flex; align-items: baseline; gap: 2vw; flex-wrap: wrap }
.jv-word {
  display: flex; align-items: baseline; margin: 0;
  font-family: Outfit, system-ui, sans-serif; font-weight: 900;
  font-size: clamp(72px, 15vw, 240px); line-height: .84; letter-spacing: -.045em;
}
.jv-word b {
  display: inline-block; width: .66em; flex: none; text-align: center; font-weight: 900;
  color: var(--jv-text); transition: color 160ms linear, opacity 160ms linear;
}
/* letra ainda embaralhando */
.jv-word b.is-noise { color: var(--jv-graphite); opacity: .42; filter: blur(.5px) }
.jv-bracket {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-weight: 400;
  font-size: .22em; color: var(--jv-white); opacity: .7;
  animation: jvTick 2.4s ease-in-out infinite;
}
.jv-tagline { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: clamp(11px, 1.2vw, 17px); letter-spacing: .22em; color: var(--jv-steel) }

/* barras: ruído que se alinha conforme o progresso */
.jv-bars { display: flex; align-items: flex-end; gap: clamp(12px, 1.6vw, 22px); height: clamp(56px, 9vw, 120px) }
.jv-bars i {
  flex: 1; height: 100%; background: var(--jv-white); opacity: 1;
  transition: height 240ms linear, opacity 240ms linear, background 240ms linear;
}
.jv-bars i.is-idle { background: var(--jv-steel); opacity: .28 }

/* número + retículo */
.jv-readout { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap }
.jv-gauge { display: flex; align-items: center; gap: clamp(16px, 2vw, 30px) }
.jv-ring { position: relative; width: clamp(58px, 7vw, 104px); height: clamp(58px, 7vw, 104px); flex: none }
.jv-ring svg { position: absolute; inset: 0; width: 100%; height: 100% }
.jv-ring .jv-arc-spin { animation: jvSpin 9s linear infinite }
.jv-ring .jv-arc-spin-rev { animation: jvSpinRev 14s linear infinite }
#jv-progress-arc { transition: stroke-dashoffset 240ms linear }
.jv-pct { font-family: "JetBrains Mono", ui-monospace, monospace; font-weight: 700; font-size: clamp(40px, 6vw, 96px); line-height: 1; font-variant-numeric: tabular-nums }
.jv-pct-sign { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: clamp(14px, 1.4vw, 22px); color: var(--jv-white) }
.jv-detail { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: clamp(10px, 1vw, 13px); letter-spacing: .2em; color: var(--jv-steel); max-width: 38ch; line-height: 1.7 }

.jv-track { height: 3px; background: var(--jv-line); position: relative; overflow: hidden }
.jv-track span {
  position: absolute; inset: 0 auto 0 0; width: 100%;
  background: linear-gradient(90deg, var(--jv-graphite), var(--jv-white));
  transition: width 240ms linear;
}

/* fases */
.jv-stages { display: flex; gap: clamp(14px, 2.4vw, 40px); flex-wrap: wrap }
.jv-stage { display: flex; align-items: center; gap: 9px }
.jv-stage em { width: 7px; height: 7px; background: var(--jv-white); transition: background 300ms linear }
.jv-stage span { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 10.5px; letter-spacing: .2em; color: var(--jv-text); transition: color 300ms linear }
.jv-stage.is-pending em { background: var(--jv-line) }
.jv-stage.is-pending span { color: #4C5158 }
.jv-stage.is-active em { background: var(--jv-graphite) }

/* ---------- keyframes ---------- */
@keyframes jvHaloA { 0%, 100% { transform: translate3d(0,0,0) scale(1); opacity: .12 } 50% { transform: translate3d(4%, -3%, 0) scale(1.15); opacity: .2 } }
@keyframes jvHaloB { 0%, 100% { transform: translate3d(0,0,0) scale(1.08); opacity: .1 } 50% { transform: translate3d(-5%, 4%, 0) scale(.92); opacity: .18 } }
@keyframes jvGrid { from { background-position: 0 0, 0 0 } to { background-position: 64px 64px, 64px 64px } }
@keyframes jvScan { from { transform: translateY(-30vh) } to { transform: translateY(115vh) } }
@keyframes jvPulse { 0%, 100% { opacity: .45 } 50% { opacity: 1 } }
@keyframes jvTick { 0%, 100% { opacity: .25 } 50% { opacity: .8 } }
@keyframes jvSpin { to { transform: rotate(360deg) } }
@keyframes jvSpinRev { to { transform: rotate(-360deg) } }

/* ---------- acessibilidade: o estado final é o visível ---------- */
@media (prefers-reduced-motion: reduce) {
  #jv-loader, #jv-loader * { animation: none !important; transition: none !important }
}

/* ============================================================ LOGIN (Jarvis)
   Mesma identidade da tela de carregamento, mas para a portaria: fundo
   #0A0B0D, grade de 64px com máscara radial, scanline descendo. O login vem
   ANTES do loader — quem vê esta tela ainda não autenticou. */
.jv-login-grid {
  background-image:
    radial-gradient(ellipse 80% 55% at 50% 42%, rgba(232,234,237,0.05), transparent 70%),
    linear-gradient(rgba(38,42,48,0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38,42,48,0.35) 1px, transparent 1px);
  background-size: 100% 100%, 64px 64px, 64px 64px;
  animation: jvGrid 24s linear infinite;
  mask-image: radial-gradient(ellipse 90% 75% at 50% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 45%, #000 30%, transparent 75%);
}
.jv-login-scan {
  background: linear-gradient(to bottom, transparent 0%, rgba(232,234,237,0.03) 48%, rgba(232,234,237,0.07) 50%, rgba(232,234,237,0.03) 52%, transparent 100%);
  height: 30vh;
  animation: jvScan 14s linear infinite;
}