/* =========================
   VARIABLES DE COLOR
========================= */
:root {
  --primary: #4b7dc5;
  --secondary: #35588a;
  --accent: #5ea4ee;
  --white: #ffffff;
  --bg: #f4f7fb;
  --text: #1f2937;
}

/* =========================
   RESET Y BASE
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  justify-content: center;
  align-items: center;
}

/* =========================
   CONTENEDOR PRINCIPAL
========================= */
.app {
  background: var(--bg);
  width: 100%;
  max-width: 1200px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
}

/* =========================
   HEADER / FOOTER
========================= */
header {
  background: var(--primary);
  color: var(--white);
  padding: 24px;
  text-align: center;
}

header h1 {
  font-size: 2rem;
}

footer {
  text-align: center;
  padding: 12px;
  font-size: 0.8rem;
  color: #666;
  background: #eef2f8;
}

/* =========================
   PANTALLAS
========================= */
.screen {
  display: none;
  padding: 32px;
  text-align: center;
  flex: 1;
}

.screen.active {
  display: block;
}

.screen h2 {
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 12px;
}

.screen p {
  margin-bottom: 24px;
  color: #444;
}

/* LOGO / IMÁGENES */
.logo {
  max-width: 150px;
  margin: 0 auto 25px;
  display: block;
}

/* =========================
   BOTON HOME
========================= */
.home-btn {
  position: fixed;
  bottom: 14px;
  right: 14px;
  z-index: 1000;

  width: 40px;
  height: 40px;

  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%; /* 👈 totalmente redondo */

  display: flex;
  align-items: center;
  justify-content: center;

  text-decoration: none;
  backdrop-filter: blur(4px);

  transition: background 0.2s ease, transform 0.2s ease;
}

/* SVG minimal */
.home-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--secondary);
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Hover sutil */
.home-btn:hover {
  background: var(--accent);
}

.home-btn:hover svg {
  stroke: white;
}

.home-btn:active {
  transform: scale(0.95);
}

/* =========================
   BOTONES
========================= */
button {
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 14px 26px;
  border-radius: 12px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

button:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

button:active {
  transform: translateY(0);
}

/* =========================
   OPCIONES DE JUGADORES
========================= */
.options {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* =========================
   JUEGO
========================= */
.board-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .board-wrapper {
    grid-template-columns: 1fr;
  }
}

/* =========================
   TABLERO
========================= */
.board-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 8px;

  border-radius: 18px;
  overflow: hidden;

  /* 🖼️ IMAGEN DE FONDO */
  background-image: url('../assets/fondo05.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  /* Oscurece un poco el fondo para que contraste */
  box-shadow: inset 0 0 30px rgba(0,0,0,0.35);
}



.board {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 3px;
  width: 100%;
}

.cell {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;

  font-weight: bold;
  font-size: 0.9rem;
  color: var(--secondary);

  border-radius: 8px;
  position: relative;

  /* 🌫️ Transparencia */
  background: rgba(255, 255, 255, 0.78);

  box-shadow:
    inset 0 0 6px rgba(255,255,255,0.8),
    0 2px 5px rgba(0,0,0,0.25);
}

.cell:nth-child(even) {
  background: rgba(230, 238, 249, 0.75);
}


/* =========================
   ZONA DE ESPERA
========================= */
.waiting-area {
  background: #eef2f8;
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 20px;
  text-align: center;
}

.waiting-area h3 {
  color: var(--secondary);
  margin-bottom: 10px;
}

.waiting-players {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.waiting-token {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background-color: transparent;
}


/* =========================
   FICHAS DE JUGADORES
========================= */
.token {
  width: 28px;
  height: 28px;
  position: absolute;
  border-radius: 50%;
  background-color: transparent;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
  transition: transform 0.2s ease;
}

.winner-avatar {
  display: block;            
  margin: 0 auto 14px;  
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 14px;
  animation: popWinner 0.6s ease;
}

@keyframes popWinner {
  0% { transform: scale(0); opacity: 0; }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* =========================
   SVG SERPIENTES Y ESCALERAS
========================= */
#svgLayer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
}

.ladder {
  stroke: #8b5a2b;
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.4));
}

.ladder-step {
  stroke: #a06a3a;
  stroke-width: 2.4;
  stroke-linecap: round;
}

.snake {
  stroke: #c0392b;
  stroke-width: 3.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 2px 3px rgba(0,0,0,0.4));
}

.snake {
  stroke-dasharray: 1;
}



/* =========================
   SIDEBAR
========================= */
.sidebar {
  background: var(--white);
  padding: 20px;
  border-radius: 14px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.sidebar h3 {
  margin-bottom: 8px;
  color: var(--secondary);
}

#currentPlayer {
  font-weight: bold;
  margin-bottom: 12px;
}

.players-list {
  list-style: none;
  padding: 0;
  margin-top: 12px;
}

.players-list li {
  font-size: 0.9rem;
  margin-bottom: 6px;
}

/* =========================
   DADO
========================= */
.dice {
  font-size: 3rem;
  margin: 16px 0;
}

/* =========================
   RESPONSIVE EXTRA
========================= */
@media (max-width: 500px) {
  header h1 {
    font-size: 1.4rem;
  }

  .board-container {
    max-width: 100%;
  }

  .sidebar {
    margin-top: 16px;
  }
}


/* =========================
   MODALES
========================= */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--white);
  padding: 32px;
  border-radius: 18px;
  text-align: center;
  animation: scaleIn 0.4s ease;
  min-width: 280px;
}

.modal-content.win {
  animation: winPop 0.6s ease;
}

@keyframes scaleIn {
  from { transform: scale(0.8); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

@keyframes winPop {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* =========================
   ANIMACIÓN DADO
========================= */
.dice-anim {
  font-size: 4rem;
  margin: 20px 0;
  animation: spin 1s linear infinite;
}

.dice-stop {
  animation: none;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* =========================
   INTRO
========================= */
.modal-content.video {
  padding: 0;
  background: black;

  max-width: 520px;   /* 👈 más pequeño */
  width: 85%;

  border-radius: 16px;
  overflow: hidden;

  box-shadow: 0 20px 45px rgba(0,0,0,0.6);
}

.modal-content.video video {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 900px) {
  .modal-content.video {
    max-width: 420px;
  }
}

/* =========================
   game-message
========================= */

.game-message {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.95rem;
  text-align: center;
  min-height: 40px;
}

.game-message.ladder {
  background: #d9fdd3;
  color: #1b5e20;
  border: 1px solid #81c784;
}

.game-message.snake {
  background: #ffd6d6;
  color: #8b0000;
  border: 1px solid #ef9a9a;
}