/* UA Cup — Estilos según GDD */

:root {
  --ua-bg-deep: #021236;
  --ua-bg-light: #07378b;
  --ua-bg-gradient: linear-gradient(180deg, #021236 0%, #07378b 100%);
  --ua-data-panel: #021236;
  --ua-field-green: #2b7c08;
  --ua-ui-gray: #64656a;
  --ua-ui-gray-dark: #52535a;
  --ua-bg: #021236;
  --ua-bg-soft: #64656a;
  --ua-accent: #ec7700;
  --ua-accent-hover: #ff8c1a;
  --ua-accent-active: #c96300;
  --ua-accent-dark: #0d0c0c;
  --ua-gray-hover: #75767c;
  --ua-text: #f0f0f0;
  --ua-muted: rgba(255, 255, 255, 0.75);
  --ua-danger: #e74c3c;
  --viewport-ratio: 9 / 16;
  --font-main: 'Roboto', sans-serif;
  --ease-out-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-ui: 0.28s var(--ease-out-smooth);
}

*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: 'Roboto', sans-serif;
  font-weight: 500;
  color: var(--ua-text);
  background: var(--ua-bg-gradient);
  overflow: hidden;
  touch-action: manipulation;
}

.app {
  position: relative;
  width: 100%;
  min-height: 100dvh;
  max-width: 6000px;
  margin: 0 auto;
  overflow: hidden;
}

/* ── Pantallas ── */
.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
}

.screen--active {
  display: flex;
}

.hidden {
  display: none !important;
}

/* ── Boot Screen ── */
#boot-screen {
  align-items: center;
  justify-content: flex-end;
  text-align: center;
  padding: 1.5rem 1.5rem calc(2.75rem + env(safe-area-inset-bottom, 0));
  background: var(--ua-bg-gradient);
}

.boot-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/home-screen.png'), var(--ua-bg-gradient);
  background-position: center center, center center;
  background-size: contain, cover;
  background-repeat: no-repeat, no-repeat;
  z-index: 0;
}

.boot-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  max-width: 22rem;
  flex: 1;
  padding-bottom: 0.5rem;
}

.boot-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  width: 100%;
}

#boot-screen .boot-actions .btn {
  width: 67.5%;
  font-size: 1.125rem;
}

#boot-screen .btn--primary {
  background: #ec7700;
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  animation: play-pulse 2.2s ease-in-out infinite;
}

#boot-screen .btn--primary:active {
  background: var(--ua-accent-active);
}

@media (hover: hover) {
  #boot-screen .btn--primary:hover {
    background: var(--ua-accent-hover);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 4px 18px rgba(236, 119, 0, 0.35);
  }

  #boot-screen .btn--secondary:hover {
    background: var(--ua-gray-hover);
    border-color: rgba(255, 255, 255, 0.32);
  }
}

#boot-screen .btn--secondary {
  background: var(--ua-ui-gray);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.boot-title {
  margin: 0;
  font-size: clamp(3rem, 14vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
}

.boot-subtitle {
  margin: 0;
  font-size: clamp(0.95rem, 3.8vw, 1.1rem);
  font-weight: 400;
  color: var(--ua-muted);
  line-height: 1.45;
  font-style: italic;
}

/* ── Botones ── */
.btn {
  font-family: var(--font-main);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  padding: 0.63rem 1.35rem;
  cursor: pointer;
  transition:
    transform var(--transition-ui),
    background-color var(--transition-ui),
    border-color var(--transition-ui),
    box-shadow var(--transition-ui);
}

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

.btn--primary {
  background: #ec7700;
  color: #fff;
}

.btn--primary:active {
  background: var(--ua-accent-active);
}

.btn--secondary {
  background: var(--ua-bg-soft);
  color: var(--ua-text);
}

.btn--secondary:active {
  background: var(--ua-ui-gray-dark);
}

@media (hover: hover) {
  .btn--primary:hover {
    background: var(--ua-accent-hover);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 4px 16px rgba(236, 119, 0, 0.32);
  }

  .btn--secondary:hover {
    background: var(--ua-gray-hover);
    border-color: rgba(255, 255, 255, 0.3);
  }
}

/* ── HUD In-Game ── */
#game-screen {
  background: var(--ua-bg-gradient);
  color: #fff;
}

.game-hud {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  background: var(--ua-data-panel);
  flex-shrink: 0;
  color: #fff;
}

.hud-block {
  flex: 1;
  min-width: 0;
}

.hud-block--center {
  text-align: center;
}

.hud-block--right {
  display: flex;
  justify-content: flex-end;
  gap: 0.4rem;
  position: relative;
}

.hud-label,
.hud-record {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.35;
  color: #fff;
}

.hud-record {
  font-size: 0.72rem;
}

.hud-timer {
  font-size: clamp(1.25rem, 5vw, 1.6rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}

.hud-icon-btn {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color var(--transition-ui),
    border-color var(--transition-ui),
    transform var(--transition-ui);
}

@media (hover: hover) {
  .hud-icon-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(236, 119, 0, 0.45);
  }
}

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

.hud-icon-btn[aria-pressed="true"] {
  opacity: 0.55;
}

/* ── Canvas 9:16 ── */
#game-container {
  width: 100%;
  max-width: 450px;
  aspect-ratio: 9 / 16;
  margin: 0 auto;
  position: relative;
  touch-action: none;
  overflow: hidden;
  flex-shrink: 0;
}

.game-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  border-radius: 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Respaldo visual para implementación DOM del balón (canvas usa alpha interna). */
.ball-fade-out {
  opacity: 0;
  transition: opacity 0.65s ease-out;
}

/* ── Mensaje inicial (1.5 s fade-out) ── */
.intro-message {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 1rem 1.25rem;
  max-width: 85%;
  text-align: center;
  font-size: clamp(0.9rem, 3.5vw, 1.05rem);
  font-style: italic;
  color: #fff;
  background: var(--ua-data-panel);
  border-radius: 10px;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.6s ease;
  z-index: 5;
}

.intro-message.fade-out {
  opacity: 0;
}

/* ── Pantalla de Resultados (slide-up ease-out) ── */
.end-screen {
  align-items: flex-end;
  justify-content: flex-end;
  background: linear-gradient(180deg, rgba(2, 18, 54, 0.75) 0%, rgba(7, 55, 139, 0.75) 100%);
  z-index: 20;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.end-screen.visible {
  display: flex;
  opacity: 1;
}

.end-panel {
  width: 100%;
  padding: 2rem 1.5rem calc(2rem + env(safe-area-inset-bottom, 0));
  background: var(--ua-data-panel);
  border-radius: 20px 20px 0 0;
  text-align: center;
  transform: translateY(100%);
  transition: transform 0.55s var(--ease-out-smooth);
  will-change: transform;
}

.end-screen.slide-in .end-panel {
  transform: translateY(0);
}

.end-goles {
  margin: 0.25rem 0 1rem;
  font-size: clamp(4rem, 18vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ua-accent);
  transition: transform 0.5s var(--ease-out-smooth), opacity 0.5s ease;
}

.end-screen.slide-in .end-goles {
  animation: score-pop 0.55s var(--ease-out-smooth) 0.15s both;
}

@keyframes score-pop {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.end-player-name {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--ua-muted);
}

.end-goles-label {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ua-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.end-time-label {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
}

.end-tiempo {
  font-weight: 700;
  color: #fff;
}

.end-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── Modales ── */
.modal {
  border: none;
  padding: 0;
  max-width: min(92vw, 420px);
  background: transparent;
}

.modal--wide {
  max-width: min(96vw, 520px);
}

.modal::backdrop {
  background: linear-gradient(180deg, rgba(2, 18, 54, 0.82) 0%, rgba(7, 55, 139, 0.82) 100%);
  animation: backdrop-in 0.35s ease forwards;
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-panel {
  background: var(--ua-data-panel);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  padding: 1.5rem;
  color: var(--ua-text);
  animation: modal-in 0.38s var(--ease-out-smooth) forwards;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.modal-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
}

.modal-close {
  background: none;
  border: none;
  color: var(--ua-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 6px;
  transition: color var(--transition-ui), background-color var(--transition-ui);
}

@media (hover: hover) {
  .modal-close:hover {
    color: #fff;
    background: rgba(236, 119, 0, 0.2);
  }
}

.register-input {
  width: 100%;
  margin: 1rem 0 0.5rem;
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  transition: border-color var(--transition-ui), box-shadow var(--transition-ui);
}

.register-input:focus {
  outline: none;
  border-color: var(--ua-accent);
  box-shadow: 0 0 0 3px rgba(236, 119, 0, 0.22);
}

.register-error {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--ua-danger);
}

.register-form-shake {
  animation: shake 0.45s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

@keyframes play-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* ── Leaderboard ── */
.leaderboard-wrap {
  max-height: 50dvh;
  overflow-y: auto;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.leaderboard-table th {
  text-align: left;
  padding: 0.5rem 0.35rem;
  color: var(--ua-muted);
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.leaderboard-table td {
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.leaderboard-table .score-cell {
  font-weight: 600;
}

.leaderboard-table .time-cell {
  font-size: 0.78rem;
  color: var(--ua-muted);
}

.leaderboard-empty {
  text-align: center;
  color: var(--ua-muted);
  padding: 1.5rem !important;
}

.leaderboard-footer {
  margin: 1rem 0 0;
  font-size: 0.72rem;
  color: var(--ua-muted);
  line-height: 1.4;
}

@media (max-width: 767px) {
  #boot-screen {
    width: 100%;
  }

  .boot-bg {
    background-size: 100% auto, cover;
    background-position: center center, center center;
  }

  #game-screen .game-container {
    flex: 1;
    min-height: 0;
    width: 100%;
  }

  #game-container {
    width: 100%;
    max-width: 100%;
    height: 100%;
    aspect-ratio: auto;
  }
}