:root {
  --ink: #0e1116;
  --chalk: #f4f7f5;
  --siren: #ff2d2d;
  --bell: #f5c518;
  --field: #16302a;
  --field-lift: #1e463c;
  --field-deep: #0c1c18;
  --font-display: "Anton", sans-serif;
  --font-text: "Spline Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

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

html,
body {
  margin: 0;
  height: 100%;
  background: var(--field);
  color: var(--chalk);
}

body {
  overflow: hidden;
  font-family: var(--font-text);
}

.view {
  position: fixed;
  inset: 0;
  overflow: auto;
}

.view[hidden] {
  display: none !important;
}

.view-porta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  padding:
    clamp(1.25rem, 5vw, 4rem)
    clamp(1.25rem, 6vw, 5rem)
    max(1.5rem, env(safe-area-inset-bottom));
  background:
    radial-gradient(90% 70% at 0% 0%, var(--field-lift) 0%, transparent 58%),
    radial-gradient(80% 60% at 100% 100%, #091410 0%, transparent 46%),
    linear-gradient(165deg, #1b4036 0%, var(--field) 46%, var(--field-deep) 100%);
}

.view-porta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.marca,
.linha,
#entrar {
  position: relative;
  z-index: 1;
  animation: sobe 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.linha {
  animation-delay: 0.1s;
}

#entrar {
  animation-delay: 0.18s;
}

.marca {
  margin: 0;
  max-width: 100%;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(4.8rem, 20vw, 11rem);
  line-height: 0.8;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.linha {
  margin: 1.1rem 0 1.6rem;
  max-width: 14ch;
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--bell);
}

#entrar,
#voltar {
  appearance: none;
  border: 0;
  cursor: pointer;
  font-family: var(--font-text);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1;
}

#entrar {
  width: fit-content;
  min-height: 48px;
  padding: 0.95rem 1.3rem;
  background: var(--siren);
  color: var(--chalk);
}

#entrar:hover,
#voltar:hover {
  filter: brightness(1.06);
}

#entrar:focus-visible,
#voltar:focus-visible {
  outline: 3px solid var(--bell);
  outline-offset: 3px;
}

.view-prova {
  background:
    radial-gradient(70% 50% at 100% 0%, #21483d 0%, transparent 55%),
    linear-gradient(180deg, #10241f 0%, var(--field) 42%, var(--field-deep) 100%);
}

.folha {
  width: min(40rem, calc(100% - 1.5rem));
  margin: clamp(1rem, 4vh, 2.5rem) auto;
  padding: clamp(1.1rem, 3vw, 2rem);
  background: var(--chalk);
  color: var(--ink);
}

.folha-topo {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--ink);
}

.aviso {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--siren);
  white-space: nowrap;
}

#cronometro {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.folha fieldset {
  margin: 0 0 1.35rem;
  padding: 0;
  border: 0;
}

.folha legend {
  margin-bottom: 0.45rem;
  padding: 0;
  font-weight: 600;
  line-height: 1.3;
}

.folha label {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin: 0.4rem 0;
  line-height: 1.35;
}

.folha input {
  margin-top: 0.2rem;
  accent-color: var(--siren);
}

.view-flagra {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.85rem;
  min-height: 100%;
  padding:
    clamp(1rem, 4vw, 3rem)
    clamp(1rem, 5vw, 3.5rem)
    max(1.25rem, env(safe-area-inset-bottom));
  animation: sirene 0.95s ease-in-out infinite;
}

.carimbo {
  margin: 0;
  max-width: 100%;
  padding: 0.06em 0.16em 0.02em;
  border: 0.07em solid var(--chalk);
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 13vw, 8rem);
  line-height: 0.86;
  letter-spacing: 0.02em;
  color: var(--bell);
  transform-origin: left center;
}

.carimbo.entra {
  animation: carimbo-impacto 0.58s cubic-bezier(0.16, 1.35, 0.32, 1) both;
}

.frase {
  margin: 0.2rem 0 0;
  max-width: 18ch;
  font-size: clamp(1.25rem, 3.6vw, 2.05rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--chalk);
}

.meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.6vw, 1.15rem);
  color: var(--chalk);
}

#voltar {
  width: fit-content;
  min-height: 48px;
  margin-top: 0.35rem;
  padding: 0.9rem 1.15rem;
  background: var(--bell);
  color: var(--ink);
}

@keyframes sobe {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes sirene {
  0%,
  100% {
    background-color: #160606;
  }
  50% {
    background-color: var(--siren);
  }
}

@keyframes carimbo-impacto {
  0% {
    opacity: 0;
    transform: rotate(-12deg) scale(1.28);
  }
  58% {
    opacity: 1;
    transform: rotate(-6deg) scale(0.94);
  }
  80% {
    transform: rotate(-8deg) scale(1.04);
  }
  100% {
    opacity: 1;
    transform: rotate(-7deg) scale(1);
  }
}

@media (max-width: 420px) {
  .folha-topo {
    align-items: center;
  }

  .aviso {
    font-size: 0.75rem;
  }

  .carimbo {
    font-size: clamp(2.45rem, 12.2vw, 3.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marca,
  .linha,
  #entrar,
  .carimbo.entra {
    animation-duration: 0.01s;
  }

  .view-flagra {
    animation: none;
    background: var(--siren);
  }
}