* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #fdf6f0;
  color: #2c2c2c;
  overflow-x: hidden;
}

.container {
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "header"
    "cards";
}

.header {
  grid-area: header;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  /* offset-x | offset-y | blur-radius | color */
  box-shadow: 0px 4px 40px rgba(0, 0, 0, 0.1);
  align-content: stretch;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
}
/********************************** BUTTONS ****************/
#generateBtn,
#newBookBtn,
#cleanBtn {
  background-color: #a3c4f3;
  color: #fff;
  border: none;
  border-radius: 0.5em;
  padding: 0.5rem 1rem;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

#generateBtn,
#newBookBtn,
#cleanBtn:hover {
  cursor: pointer;
  background-color: #85a8e0;
}

body.dark #generateBtn,
body.dark #newBookBtn,
body.dark #cleanBtn {
  background-color: #4d88ff;
  color: #ffffff;
}

body.dark #generateBtn:hover,
body.dark #newBookBtn:hover,
body.dark #cleanBtn:hover {
  background-color: #3366cc;
  cursor: pointer;
}
/**************************************** CARDS ****************/
.cards {
  grid-area: cards;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  padding: 1rem;
  align-content: stretch;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

.card {
  box-sizing: border-box;
  background-color: #fff;
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.07);
  aspect-ratio: 1 / 1;
  transition: transform 0.2s ease;
  flex-direction: row;
  border-left: 5px solid #ffb3c6;
  opacity: 0;
  transform: translateY(20px);
  animation: cozyFadeIn 0.6s ease-out forwards;
  text-overflow: ellipsis;
}

.card p, .card span, .card h3, .card div {
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}



#bookInfoDialog {
  box-sizing: border-box;
  background-color: #fff;
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.07);
  border-left: 5px solid #ffb3c6;
  max-width: 400px;
  width: 90%;
  margin: auto;
}

.card.animate {
  opacity: 0;
  transform: translateY(10px);
  animation: cozyFadeIn 0.6s ease-out forwards;
}

.card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  background-color: #fef0f5;
  cursor: pointer;
}

@keyframes cozyFadeIn {
  to {
    opacity: 1;
  }
}


/********************************** Toggle Button ****************/
#toggleTheme {
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease;
}

#toggleTheme:hover {
  transform: scale(1.2);
  cursor: pointer;
}


/*********************** FORM ****************************************/

fieldset{
  display: flex;
  flex-direction: column;
  justify-items: center;
  align-items: center;
}

.radio-group,
.checkbox-group {
  margin-top: 1rem;
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
}

.radio-group span {
  font-weight: bold;
  color: #444;
}

label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.dialogBtn{
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-around;
  padding: 0.5rem;
}
#closeDialogBtn,#addBookBtn,#deleteBookBtn,#closeBookInfoBtn  {
  padding: 0.75rem 1.5rem;
  background-color: #e53935;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
}
.card button{
  padding: 0.5rem 1rem;
  background-color:#ffb3c6 ;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;

}


.card button:active {
  transform: scale(0.95);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  transition: transform 0.1s ease;
}

/********************************** dark mode ****************/

body.dark {
  background-color: #1a1a1a;
  color: #f5f5f5;
}

body.dark .header {
  background-color: #2c2c2c;
  border-bottom: 1px solid #444;
  box-shadow: 0px 4px 40px rgba(0, 0, 0, 0.5);
}
/*
.body.dark .card button{
  background-color:#a97bff;
}*/

body.dark .toggle-read-btn {
  background-color:#a97bff;  /* fondo oscuro */
  color: white;
  border-color: #666;
}


body.dark .card,body.dark #bookInfoDialog {
  background-color: #2e2e2e;
  border-left: 5px solid #a97bff;
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.05);
}

body.dark #bookInfoDialog p{
  color:#f5f5f5;
}

body.dark .card:hover,
body.dark #bookInfoDialog:hover {
  background-color: #3a3a3a;
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55),
    box-shadow 0.3s ease;
    cursor: pointer;
}