/* Shiny Button: adaptação nativa do padrão fornecido, nas cores da Tiro Certo. */
@font-face {
  font-family: Fieldwork;
  src: url('assets/fieldwork-bold.otf') format('opentype');
  font-weight: 700 800;
  font-display: swap;
}

@property --tc-shiny-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
@property --tc-shiny-offset {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
@property --tc-shiny-spread {
  syntax: "<percentage>";
  initial-value: 5%;
  inherits: false;
}
@property --tc-shiny-light {
  syntax: "<color>";
  initial-value: #fcfcfc;
  inherits: false;
}

.button.shiny-button {
  --shiny-fill: var(--navy, #1a1a28);
  --shiny-accent: var(--gold, #c3a780);
  --shiny-soft: #ead7bb;
  --shiny-duration: 3s;
  --shiny-ease: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 32px;
  color: #fcfcfc;
  background: var(--shiny-fill);
  box-shadow: inset 0 0 0 1px #2b2933;
  justify-content: center;
  gap: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  transform: none;
  transition:
    --tc-shiny-offset var(--shiny-ease),
    --tc-shiny-spread var(--shiny-ease),
    --tc-shiny-light var(--shiny-ease);
}

.button.shiny-button:hover {
  background: var(--shiny-fill);
}

.button.shiny-button > .shiny-button__edge {
  position: absolute;
  inset: 0;
  border: 1px solid #8f795b;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  transition:
    --tc-shiny-offset var(--shiny-ease),
    --tc-shiny-spread var(--shiny-ease),
    --tc-shiny-light var(--shiny-ease);
}

/* A borda vive em uma camada própria, igual para links e botões nativos. */
@supports (mask-composite: exclude) and (background: conic-gradient(from 0deg, transparent, white)) {
  .button.shiny-button > .shiny-button__edge {
    border-color: transparent;
    padding: 1px;
    border-width: 0;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
  }
  .button.shiny-button > .shiny-button__edge::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 150%;
    aspect-ratio: 1;
    translate: -50% -50%;
    pointer-events: none;
    background:
      conic-gradient(
        from calc(0deg - var(--tc-shiny-offset, 0deg)),
        transparent,
        var(--shiny-accent) var(--tc-shiny-spread, 5%),
        var(--tc-shiny-light, #fcfcfc) calc(var(--tc-shiny-spread, 5%) * 2),
        var(--shiny-accent) calc(var(--tc-shiny-spread, 5%) * 3),
        transparent calc(var(--tc-shiny-spread, 5%) * 4)
      );
    animation: tc-shiny-sheen var(--shiny-duration) linear infinite;
    transition:
      --tc-shiny-offset var(--shiny-ease),
      --tc-shiny-spread var(--shiny-ease),
      --tc-shiny-light var(--shiny-ease);
  }
}

.button.shiny-button::before,
.button.shiny-button::after,
.button.shiny-button > .shiny-button__content::before {
  content: "";
  position: absolute;
  pointer-events: none;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  z-index: -1;
}

.button.shiny-button::before {
  width: calc(100% - 6px);
  height: calc(100% - 6px);
  border-radius: inherit;
  background: radial-gradient(circle at 2px 2px, white 0.5px, transparent 0) padding-box;
  background-size: 4px 4px;
  background-repeat: space;
  mask-image: conic-gradient(from calc(var(--tc-shiny-angle, 0deg) + 45deg), black, transparent 10% 90%, black);
  opacity: 0.4;
}

.button.shiny-button::after {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(-50deg, transparent, var(--shiny-accent), transparent);
  mask-image: radial-gradient(circle at bottom, transparent 40%, black);
  opacity: 0.6;
}

/* O texto tem seu próprio plano: a luz passa atrás, sem alterar sua legibilidade. */
.button.shiny-button > .shiny-button__content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  min-width: 0;
  flex: 1 1 auto;
  font: inherit;
  line-height: inherit;
  z-index: 1;
}
.button.shiny-button .shiny-button__label {
  min-width: 0;
  flex: 1 1 auto;
  font: inherit;
  line-height: inherit;
  text-align: center;
}
.button.shiny-button > .shiny-button__content::before {
  width: calc(100% + 1rem);
  height: calc(100% + 1rem);
  border-radius: inherit;
  box-shadow: inset 0 -1ex 2rem 4px var(--shiny-accent);
  opacity: 0;
  transition: opacity var(--shiny-ease);
  animation: tc-shiny-breathe calc(var(--shiny-duration) * 1.5) linear infinite;
}
.button.shiny-button::before {
  animation: tc-shiny-orbit var(--shiny-duration) linear infinite;
}
.button.shiny-button::after {
  animation: tc-shiny-sheen var(--shiny-duration) linear infinite;
}

.button.shiny-button:is(:hover, :focus-visible),
.button.shiny-button:is(:hover, :focus-visible) > .shiny-button__edge,
.button.shiny-button:is(:hover, :focus-visible) > .shiny-button__edge::before {
  --tc-shiny-spread: 20%;
  --tc-shiny-offset: 95deg;
  --tc-shiny-light: var(--shiny-soft);
  color: #fcfcfc;
  transform: none;
}
.button.shiny-button:is(:hover, :focus-visible) > .shiny-button__content::before {
  opacity: 1;
}
.button.shiny-button:focus-visible {
  outline: 3px solid var(--shiny-accent);
  outline-offset: 5px;
}
.button.shiny-button:active {
  translate: 0 1px;
}

@keyframes tc-shiny-orbit {
  to { --tc-shiny-angle: 360deg; }
}
@keyframes tc-shiny-sheen {
  to { rotate: 360deg; }
}
@keyframes tc-shiny-breathe {
  0%, 100% { scale: 1; }
  50% { scale: 1.2; }
}

@media (max-width: 600px) {
  .button.shiny-button { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .button.shiny-button,
  .button.shiny-button > .shiny-button__edge,
  .button.shiny-button > .shiny-button__edge::before,
  .button.shiny-button::before,
  .button.shiny-button::after,
  .button.shiny-button > .shiny-button__content::before {
    animation: none !important;
    transition: none !important;
  }
  .button.shiny-button::after,
  .button.shiny-button > .shiny-button__content::before {
    opacity: 0 !important;
  }
  .button.shiny-button:active { translate: none; }
}

@media (forced-colors: active) {
  .button.shiny-button,
  .button.shiny-button:is(:hover, :focus-visible) {
    background: ButtonFace;
    color: ButtonText;
    border: 2px solid ButtonText;
    box-shadow: none;
  }
  .button.shiny-button::before,
  .button.shiny-button::after,
  .button.shiny-button > .shiny-button__edge,
  .button.shiny-button > .shiny-button__content::before { display: none; }
  .button.shiny-button:focus-visible { outline-color: Highlight; }
}