@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600&family=Mouse+Memoirs&display=swap');

/* Themes */
/* Default (Login/Fallback) */
:root {
  --color-rosa: #FFB7B2;
  --color-menta: #B5EAD7;
  --color-azul: #C7CEEA;
  --color-violeta: #E2F0CB;
  --color-texto: #4A4A4A;
  --color-blanco: #FFFFFF;
  --font-main: 'Fredoka', sans-serif;
  --font-display: 'Mouse Memoirs', sans-serif;
  --bg-image: url('../img/bg_stickers.png');
  --header-title-color: #FF6B6B;
}

/* Africa Theme (Kawaii/Girl) */
.theme-africa {
  --color-rosa: #FFB7B2;
  /* Pastel Pink */
  --color-menta: #B5EAD7;
  /* Pastel Mint */
  --color-azul: #C7CEEA;
  /* Pastel Blue */
  --color-texto: #4A4A4A;
  --bg-image: url('../img/bg_stickers.png');
  --header-title-color: #FF6B6B;
}

/* Marcos Theme (Valencia/Avengers/Boy) */
.theme-marcos {
  --color-rosa: #FF8F00;
  /* Valencia Orange */
  --color-menta: #F5F5F5;
  /* Light Grey/White */
  --color-azul: #0055A4;
  /* Avengers Blue */
  --color-texto: #333333;
  --bg-image: url('../img/bg_marcos_theme.png');
  --header-title-color: #FF8F00;
  /* Match Orange */
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  /* Fondo con patrón de stickers */
  background-color: var(--color-menta);
  /* Fallback color matches theme secondary */
  background-image: var(--bg-image);
  background-repeat: repeat;
  background-size: 300px;
  /* Ajuste del tamaño del patrón */
  background-attachment: fixed;
  color: var(--color-texto);
  display: flex;
  flex-direction: column;
  height: 100vh;
  /* Altura fija al viewport */
  align-items: center;
  overflow-y: auto;
  /* Permitir scroll vertical si el contenido excede la altura */
}

/* Header */
header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 2rem;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(5px);
  margin-bottom: 0.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border-bottom-left-radius: 30px;
  border-bottom-right-radius: 30px;
  box-sizing: border-box;
}

h1 {
  font-family: var(--font-display);
  font-size: 3rem;
  margin: 0;
  color: var(--header-title-color);
  text-shadow: 2px 2px 0px #FFF;
  letter-spacing: 2px;
  flex: 1;
  /* El título ocupa el espacio central disponible */
  text-align: center;
}

.header-info {
  font-family: var(--font-main);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-texto);
  background: rgba(255, 255, 255, 0.5);
  padding: 0.5rem 1rem;
  border-radius: 15px;
  min-width: 150px;
  text-align: center;
}

.header-info.date {
  color: #4ECDC4;
  /* Color Kawaii Menta */
}

.header-info.time {
  color: #FF6B6B;
  /* Color Kawaii Rosa/Rojo */
}

/* Main Container */
main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 0.5rem;
}

.menu-container {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 1200px;
}

/* Cards / Buttons */
.card-btn {
  background-color: var(--color-blanco);
  border-radius: 30px;
  /* Muy redondeado */
  width: 280px;
  height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
  padding: 1rem;
  border: 5px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card-btn:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.15);
}



.card-btn img {
  width: 210px;
  height: 210px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.1));
  transition: transform 0.5s ease;
}

.card-btn:hover img {
  transform: rotate(5deg) scale(1.1);
}

.card-btn span {
  font-family: var(--font-display);
  font-size: 3.5rem;
  /* Muy grande, estilo Disney */
  color: var(--color-texto);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Specific Button Styles */
.card-btn.ejercicios {
  border-color: var(--color-menta);
}

.card-btn.ejercicios span {
  color: #4ECDC4;
}

.card-btn.resumenes {
  border-color: var(--color-rosa);
}

.card-btn.resumenes span {
  color: #FF6B6B;
}

/* Subject Button Styles */
.card-btn.subject {
  width: 160px;
  height: 160px;
  padding: 0.8rem;
}

.card-btn.subject img {
  width: 60px;
  height: 60px;
  margin-bottom: 0.5rem;
}

.card-btn.subject span {
  font-size: 1rem;
  line-height: 1.1;
  font-family: var(--font-main);
  font-weight: 600;
  text-transform: none;
  /* Mantener mayúsculas/minúsculas naturales */
}

/* Specific Subject Colors (Optional - can alternate or be random if needed, 
   for now just a generic style or we can specific classes per subject if requested) 
*/
.card-btn.subject:nth-child(odd) {
  border-color: var(--color-menta);
}

.card-btn.subject:nth-child(even) {
  border-color: var(--color-rosa);
}

.card-btn.subject:nth-child(3n) {
  border-color: var(--color-azul);
}

.card-btn.subject:hover {
  transform: translateY(-5px) scale(1.02);
}

/* Footer */
footer {
  padding: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: #888;
  width: 100%;
  margin-top: 0;
  display: flex;
  justify-content: center;
}

footer p {
  background-color: rgba(255, 255, 255, 0.75);
  padding: 0.5rem 1rem;
  border-radius: 15px;
  display: inline-block;
  backdrop-filter: blur(2px);
  font-weight: 600;
  margin: 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

/* Mobile / Tablet Responsiveness */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem 1rem;
  }

  .header-info {
    font-size: 1rem;
    width: 100%;
    max-width: 300px;
  }

  h1 {
    font-size: 2.5rem;
    order: -1;
    /* Título siempre arriba en móvil si se prefiere, o dejar flujo normal */
  }

  .menu-container {
    gap: 1.5rem;
    flex-direction: column;
  }

  .card-btn {
    width: 260px;
    height: 300px;
  }

  .card-btn img {
    width: 140px;
    height: 140px;
  }

  .card-btn span {
    font-size: 2.8rem;
  }
}

/* Home Button */
.home-btn {
  position: fixed;
  top: 90px;
  /* Moved down to avoid date overlap */
  left: 20px;
  width: 60px;
  height: 60px;
  background-color: var(--color-rosa);
  /* Primary Theme Color */
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  font-size: 2.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: transform 0.2s, background-color 0.2s;
  border: 3px solid white;
}

.home-btn:hover {
  transform: scale(1.1) rotate(-10deg);
  background-color: #ff4757;
}
/* Back Button */
.back-btn {
  position: fixed;
  top: 170px; /* Below Home Button (90 + 60 + 20) */
  left: 20px;
  width: 60px;
  height: 60px;
  background-color: var(--color-azul); /* Secondary/Accent Color */
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  font-size: 2.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: transform 0.2s, background-color 0.2s;
  border: 3px solid white;
  cursor: pointer;
  color: #fff;
}

.back-btn:hover {
  transform: scale(1.1) translateX(-5px);
  filter: brightness(1.1);
}