@font-face {
    font-family: 'Antonio'; 
    src: url('/fonts/antonio/Antonio-Regular.ttf');
}
@font-face {
    font-family: 'Patua'; 
    src: url('/fonts/patua-one/PatuaOne-Regular.otf');
}

/* Reset and body styling */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    overflow: hidden; /* Lock page to viewport, prevent scroll */
    height: 100vh;
    max-height: 100vh;
    transition: background 0.3s ease;
}

/* Light Theme (Default) */
body[data-theme="light"] {
    background: #ffffff;
}

/* Dark Theme */
body[data-theme="dark"] {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
}

/* Wrapper to center the bookshelf */
.bookshelf-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px 20px 100px 20px;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    position: relative;
    -webkit-mask-image: linear-gradient(to bottom, black 0%, black 85%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 0%, black 85%, transparent 100%);
}

/* Responsive container scaling */
.container {
    transform-style: preserve-3d;
    position: relative;
    transform-origin: center center;
}

/* Scale bookshelf based on viewport */
@media (max-width: 1800px) {
    .container {
        transform: scale(0.9);
    }
}

@media (max-width: 1400px) {
    .container {
        transform: scale(0.75);
    }
    .bookshelf-wrapper {
        padding: 10px;
    }
}

@media (max-width: 1024px) {
    .container {
        transform: scale(0.6);
    }
}

@media (max-width: 768px) {
    .container {
        transform: scale(0.45);
    }
    body {
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .container {
        transform: scale(0.35);
    }
    .bookshelf-wrapper {
        padding: 5px;
        justify-content: flex-start;
    }
}

.book-container,
.book {
    transform-style: preserve-3d;
    position: absolute;
}

.book {
    cursor: pointer;
    user-select: none;
}

.book * {
    user-select: none;
}

.book a {
    cursor: pointer;
    user-select: auto;
}

.spinetext {
  overflow: hidden;
  text-align: center;
  writing-mode: vertical-rl;
  cursor: pointer;
  user-select: none;
}

.spinetext .title {
  font-family: Patua;
  overflow: hidden;
}

.spinetext .author {
  font-family: Antonio;
}

.spine .series-index {
  text-align: center;
  width: 100%;
  height: 20px;
  vertical-align: middle;
  font-size: 10px;
  line-height: 20px;
}

.cover {
  border-top-right-radius: 3px;
  border-bottom-right-radius: 3px;
}

.back {
  border-top-left-radius: 3px;
  border-bottom-left-radius: 3px;
  font-size: 8px;
  box-sizing: border-box;
  padding: 8px;
  overflow: hidden;
}

.logo {
  width: 100%;
}

.pages,
.side {
  visibility: hidden;
  pointer-events: none;
}

/* Only show sides when book is being viewed (show/showback states) */
.book-show .side,
.book-showback .side {
  visibility: visible;
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.theme-toggle-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

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

/* Icon styling */
.sun-icon,
.moon-icon {
  position: absolute;
  transition: all 0.3s ease;
  color: #333;
}

/* Light theme - show moon (for switching to dark) */
body[data-theme="light"] .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

body[data-theme="light"] .moon-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

/* Dark theme - show sun (for switching to light) */
body[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
}

body[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
  color: #ffd700;
}

/* Dark theme button styling */
body[data-theme="dark"] .theme-toggle-btn {
  background: rgba(50, 50, 50, 0.9);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Responsive button size */
@media (max-width: 768px) {
  .theme-toggle {
    top: 10px;
    right: 10px;
  }
  
  .theme-toggle-btn {
    width: 40px;
    height: 40px;
  }
  
  .sun-icon,
  .moon-icon {
    width: 20px;
    height: 20px;
  }
}