/* Telas de menu: título (menu principal), campanha, atos da peça (cartões + Maestria), tutorial, pausa e resultado.
   Nos menus o teatro aparece atrás (cortina, palco, fundo da peça); cada tela entra e sai escalonada e inclinada, no
   espírito dos menus de Naruto Ultimate Ninja Storm (a ordem e os tempos vêm do screen-transitions.js). */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, rgba(20, 60, 110, 0.55), rgba(5, 12, 24, 0.88));
  z-index: 10;
  padding: calc(16px + var(--safe-top)) 16px calc(16px + var(--safe-bottom));
  overflow-y: auto;
}

/* Menus: sem o véu azul (o teatro aparece), só uma vinheta leve e o pé da tela escurecido (a ribalta brilha embaixo). */
.screen--menu {
  background:
    linear-gradient(to bottom, transparent 62%, rgba(0, 0, 0, 0.55)),
    radial-gradient(ellipse at 50% 45%, transparent 45%, rgba(0, 0, 0, 0.45));
}

#app.is-busy .screen {
  pointer-events: none;
}

.panel {
  width: min(100%, 520px);
  text-align: center;
  margin: auto;
}

.panel--small {
  width: min(100%, 340px);
}

.panel h1 {
  font-size: clamp(40px, 12vw, 68px);
  line-height: 0.9;
  margin: 0 0 8px;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 0 rgba(0, 0, 0, 0.4);
}

.panel h1 span {
  color: var(--color-accent);
}

.panel h2 {
  font-size: 26px;
  margin: 4px 0 16px;
  font-weight: 900;
}

/* ---------- título sobre a cortina ---------- */
.screen--title .panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: min(100%, 640px);
}

.panel .title-mark {
  margin-top: 6vh;
  text-shadow:
    0 4px 0 rgba(0, 0, 0, 0.45),
    0 0 28px rgba(255, 200, 120, 0.35);
}

/* Em pé, o título fica no círculo de luz da cortina e o menu embaixo, longe dele. */
@media (orientation: portrait) {
  .panel .title-mark {
    margin-top: 24vh;
  }
}

/* ---------- faixa do título de cada tela (veludo e ouro) ---------- */
.screen-banner {
  position: relative;
  margin: 0 -16px 18px;
  padding: 10px 24px 12px;
  background: var(--velvet-band);
}

.screen-banner h2 {
  margin: 0;
  text-shadow: var(--text-shadow-strong);
}

.screen-banner::before,
.screen-banner::after {
  content: '';
  position: absolute;
  left: 6%;
  right: 6%;
  height: 2px;
  background: var(--gold-line);
  transform: skewX(-30deg);
}

.screen-banner::before {
  top: 0;
}

.screen-banner::after {
  bottom: 0;
}

/* Tutorial: três passos curtos, o resto se descobre lutando. */
.tutorial-steps {
  list-style: none;
  padding: 0;
  margin: 0 auto 16px;
  max-width: 340px;
  font-size: 15px;
  line-height: 1.6;
}

.tutorial-steps b {
  color: var(--color-accent);
}

.prologue {
  font-size: 13px;
  font-style: italic;
  line-height: 1.45;
  opacity: 0.85;
  margin: -8px auto 14px;
  max-width: 420px;
  padding: 6px 12px;
  border-radius: 10px;
  background: rgba(10, 6, 10, 0.62);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.9);
}

.keyboard-hint {
  font-size: 11px;
  opacity: 0.5;
  margin-top: 12px;
}

/* ---------- como jogar ---------- */
.howto {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 0 auto 14px;
  max-width: 420px;
}

.howto__item {
  background: rgba(16, 8, 12, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 8px 4px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.howto__item b {
  font-size: 22px;
  color: var(--color-accent);
  line-height: 1;
}

.howto__item small {
  font-weight: 500;
  opacity: 0.7;
  font-size: 10px;
  line-height: 1.15;
}

.howto__item--hold {
  background: rgba(70, 44, 8, 0.78);
  border-color: rgba(255, 181, 46, 0.5);
}

/* ---------- botões ---------- */
.button {
  display: block;
  width: 100%;
  max-width: 300px;
  margin: 8px auto;
  padding: 14px 18px;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.button--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.button--ghost {
  border-color: transparent;
  background: transparent;
  opacity: 0.8;
  text-shadow: var(--text-shadow-strong);
}

/* Botões claros sobre o teatro: fundo escuro translúcido para ler em cima da ribalta e dos holofotes. */
.screen--menu .button:not(.button--primary, .button--ghost) {
  background: rgba(14, 6, 8, 0.6);
}

.main-menu .button {
  position: relative;
  overflow: hidden;
}

/* Brilho que atravessa o botão principal de tempos em tempos. */
.main-menu .button--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.55) 50%, transparent 65%);
  transform: translateX(-120%);
  animation: button-shine 3.2s ease-in-out 1.2s infinite;
}

@keyframes button-shine {
  0%,
  70% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(120%);
  }
}

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

.button small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.8;
}

.button--disabled,
.button--disabled:active {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(120, 128, 140, 0.35);
  color: rgba(255, 255, 255, 0.55);
  cursor: not-allowed;
  transform: none;
}

/* ---------- menu principal ---------- */
.main-menu {
  margin-top: 28px;
}

/* Paisagem no celular: o menu inteiro cabe sem rolar. */
@media (max-height: 480px) {
  #screen-title h1 {
    font-size: 40px;
  }

  .main-menu {
    margin-top: 8px;
  }

  .main-menu .button {
    margin: 6px auto;
    padding: 8px 18px;
  }
}

/* ---------- cartões de campanha (peças) ---------- */
.campaign-card {
  display: block;
  width: 100%;
  text-align: left;
  margin: 8px 0 14px;
  padding: 16px;
  border-radius: 14px;
  border: 2px solid rgba(255, 210, 120, 0.7);
  background: linear-gradient(160deg, rgba(120, 20, 30, 0.78), rgba(20, 10, 16, 0.88));
  color: #fff;
  cursor: pointer;
}

.campaign-card:active {
  transform: scale(0.98);
}

.campaign-card--complete {
  border-color: rgba(123, 224, 122, 0.7);
}

.campaign-card b {
  display: block;
  font-size: 20px;
  font-weight: 900;
}

.campaign-card small {
  display: block;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  margin: 2px 0 8px;
}

.campaign-card span {
  display: block;
  font-size: 13px;
  line-height: 1.4;
  opacity: 0.85;
}

.campaign-card em {
  display: block;
  font-size: 12px;
  font-style: normal;
  opacity: 0.7;
  margin-top: 10px;
}

/* ---------- cartões de oponente ---------- */
.opponent-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  margin: 8px 0;
  padding: 12px;
  border-radius: 14px;
  border: 2px solid rgba(255, 210, 120, 0.35);
  background: rgba(16, 8, 12, 0.72); /* fechado: o texto não briga com a lua e os lampiões do fundo */
  color: #fff;
  cursor: pointer;
}

.opponent-card:active {
  transform: scale(0.98);
}

.opponent-card--beaten {
  border-color: rgba(123, 224, 122, 0.6);
}

.opponent-card__face {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex: none;
  border: 3px solid rgba(255, 210, 120, 0.85);
  background: #1a1216 center / cover no-repeat;
}

.opponent-card__info {
  flex: 1;
}

.opponent-card__info b {
  display: block;
  font-size: 17px;
}

.opponent-card__act {
  display: block;
  color: var(--color-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opponent-card__info span {
  font-size: 12px;
  opacity: 0.75;
}

.opponent-card__stars {
  color: var(--color-accent);
  font-size: 14px;
  letter-spacing: 2px;
}

/* ---------- canto do menu: notas da versão e som ---------- */
.corner-menu {
  position: absolute;
  top: calc(12px + var(--safe-top));
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: rgba(8, 20, 38, 0.55);
  color: #fff;
  display: grid;
  place-items: center;
  padding: 0;
}

.icon-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.icon-button:active {
  transform: scale(0.94);
}

/* ---------- notas da versão ---------- */
.changelog {
  text-align: left;
  max-height: min(64vh, 560px);
  overflow-y: auto;
  margin: 0 auto 12px;
  padding-right: 4px;
}

.changelog-release {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 10px 14px;
  margin-bottom: 10px;
}

.changelog-release summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  list-style: none;
}

.changelog-release summary::-webkit-details-marker {
  display: none;
}

.changelog-release summary b {
  font-size: 16px;
}

.changelog-release summary small {
  color: var(--color-accent);
  font-weight: 800;
  white-space: nowrap;
}

.changelog-section h3 {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 12px 0 4px;
}

.changelog-section ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.45;
  opacity: 0.9;
}

.changelog-section li + li {
  margin-top: 4px;
}

/* ---------- som ---------- */
.volume-list {
  margin: 0 auto 12px;
  text-align: left;
}

.volume {
  display: grid;
  grid-template-columns: 1fr auto;
  row-gap: 6px;
  margin-bottom: 16px;
  font-weight: 700;
}

.volume b {
  color: var(--color-accent);
}

.volume input {
  grid-column: 1 / -1;
  width: 100%;
  height: 8px;
  appearance: none;
  border-radius: 4px;
  background: linear-gradient(
    to right,
    var(--color-accent) var(--fill, 100%),
    rgba(255, 255, 255, 0.18) var(--fill, 100%)
  );
}

.volume input::-webkit-slider-thumb {
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--color-accent);
}

.volume input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--color-accent);
}

/* ---------- resultado ---------- */
#result-stats {
  text-align: left;
  margin: 0 auto 16px;
  max-width: 260px;
  font-size: 14px;
  line-height: 1.7;
}

#result-stats div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ---------- entrada e saída das telas ---------- */
.screen.is-entering :is([data-enter], .campaign-card, .opponent-card, .changelog-release) {
  animation: screen-enter 0.46s var(--ease-enter) both;
  animation-delay: calc(var(--i, 0) * 60ms);
}

@keyframes screen-enter {
  0% {
    opacity: 0;
    transform: translateX(var(--enter-x)) skewX(var(--enter-skew));
  }
  55% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

/* A faixa do título é cortada em diagonal, da esquerda para a direita. */
.screen.is-entering .screen-banner {
  animation-name: banner-wipe;
}

@keyframes banner-wipe {
  0% {
    clip-path: polygon(0 0, 0 0, -12% 100%, -12% 100%);
    transform: translateX(calc(var(--enter-x) * 0.3));
  }
  100% {
    clip-path: polygon(0 0, 112% 0, 100% 100%, -12% 100%);
    transform: none;
  }
}

/* O nome do jogo se revela num corte inclinado, com um brilho dourado. */
.screen.is-entering .title-mark {
  animation-name: title-reveal;
  animation-duration: 0.7s;
}

@keyframes title-reveal {
  0% {
    opacity: 0;
    clip-path: inset(0 100% 0 0);
    transform: translateX(-28px) skewX(-14deg);
    filter: brightness(2.2);
  }
  60% {
    opacity: 1;
    filter: brightness(1.4);
  }
  100% {
    opacity: 1;
    clip-path: inset(0 0 0 0);
    transform: none;
    filter: none;
  }
}

.screen.is-leaving :is([data-enter], .campaign-card, .opponent-card, .changelog-release) {
  animation: screen-leave 0.26s var(--ease-leave) both;
  animation-delay: calc(var(--i, 0) * 30ms);
}

@keyframes screen-leave {
  100% {
    opacity: 0;
    transform: translateX(var(--leave-x)) skewX(var(--leave-skew));
  }
}

/* O botão tocado pisca, cresce e some por último (os outros já saíram). */
.screen.is-leaving .is-chosen {
  animation: chosen-burst 0.42s ease-out both;
  animation-delay: 0s;
}

@keyframes chosen-burst {
  0% {
    transform: none;
    filter: none;
    box-shadow: 0 0 0 rgba(255, 220, 140, 0);
  }
  28% {
    transform: scale(1.07);
    filter: brightness(1.9);
    box-shadow: 0 0 28px var(--color-glow-gold);
  }
  100% {
    opacity: 0;
    transform: scale(1.14);
    filter: brightness(1.2);
    box-shadow: 0 0 40px rgba(255, 220, 140, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .screen.is-entering :is([data-enter], .campaign-card, .opponent-card, .changelog-release),
  .screen.is-leaving :is([data-enter], .campaign-card, .opponent-card, .changelog-release) {
    animation-duration: 0.12s;
    animation-delay: 0s;
  }

  .main-menu .button--primary::after {
    animation: none;
  }
}