/* Import Fonts */
@import url("https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap");
@import url("https://fonts.cdnfonts.com/css/cabinet-grotesk");

/* Font-face fallback for Cabinet Grotesk */
@font-face {
  font-family: "Cabinet Grotesk";
  src: url("https://fonts.cdnfonts.com/s/92642/CabinetGrotesk-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
}

/* Root Variables */
:root {
  --container-padding: 2rem;
  --grid-gap: 1rem;
  --color-background: #f5f5f0;
  --color-text-primary: #18191a;
  --paper-bg: #fff;
  --paper-border: 1px solid rgba(0, 0, 0, 0.2);
  --backcover-bg: #111;
  --circle-1: #ccc;
  --circle-2: #999;
  --primary-font: "Inter", sans-serif;
  --secondary-font: "Cabinet Grotesk", serif;
  --book-width: 220px;
  --book-height: 338px;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-background);
  width: 100vw;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  font-family: var(--primary-font);
  letter-spacing: -0.03em;
  font-weight: 400;
}

/* Background noise effect */
body::before {
  content: "";
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: transparent
    url("http://assets.iceable.com/img/noise-transparent.png") repeat 0 0;
  background-size: 300px 300px;
  animation: noise-animation 0.3s steps(5) infinite;
  opacity: 0.3;
  will-change: transform;
  z-index: 100;
  pointer-events: none;
}

@keyframes noise-animation {
  0% { transform: translate(0, 0);}
  10% { transform: translate(-2%, -3%);}
  20% { transform: translate(-4%, 2%);}
  30% { transform: translate(2%, -4%);}
  40% { transform: translate(-2%, 5%);}
  50% { transform: translate(-4%, 2%);}
  60% { transform: translate(3%, 0);}
  70% { transform: translate(0, 3%);}
  80% { transform: translate(-3%, 0);}
  90% { transform: translate(2%, 2%);}
  100% { transform: translate(1%, 0);}
}

/* SHELF SECTION STYLES */

.shelf-container {
  width: 100vw;
  min-height: 80vh;
  padding: var(--container-padding);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-gap: var(--grid-gap);
  grid-template-rows: auto 1fr auto;
  position: relative;
}

.shelf-collections-title {
  grid-column: 1 / -1;
  grid-row: 1;
  text-align: center;
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  font-family: var(--secondary-font), sans-serif;
}

.shelf-collections-title strong {
  font-weight: bold;
}

.shelf-main-content {
  grid-column: 1 / -1;
  grid-row: 2;
  display: grid;
  grid-template-columns: 2fr 6fr 2fr;
  grid-gap: var(--grid-gap);
  align-items: center;
}

.shelf-books-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
}

.shelf-books__item {
  text-align: center;
  cursor: pointer;
}

.shelf-books__container {
  position: relative;
  width: var(--book-width);
  height: var(--book-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shelf-books__cover {
  position: relative;
  will-change: transform;
  width: var(--book-width);
  height: var(--book-height);
}

.shelf-books__hitbox {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 10;
  cursor: pointer;
}

.shelf-books__back-cover {
  position: absolute;
  width: 96%;
  height: 96%;
  top: 2%;
  left: 2%;
  background: var(--backcover-bg);
  border-radius: 0 6px 6px 0;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.4);
  z-index: -10;
}

.shelf-books__inside {
  position: absolute;
  width: 90%;
  height: 94%;
  top: 3%;
  left: 5%;
  z-index: 0;
}

.shelf-books__page {
  position: absolute;
  top: 0;
  right: 0;
  width: 98%;
  height: 100%;
  background: var(--paper-bg);
  border: var(--paper-border);
  border-radius: 0 6px 6px 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transform-origin: right center;
  z-index: -5;
}

.shelf-books__page:nth-child(1) { transform: translateX(0px);}
.shelf-books__page:nth-child(2) { transform: translateX(0px);}
.shelf-books__page:nth-child(3) { transform: translateX(0px);}

.shelf-books__image {
  line-height: 0;
  position: relative;
  border-radius: 2px 6px 6px 2px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15), 0 30px 45px rgba(0, 0, 0, 0.12),
      0 60px 80px rgba(0, 0, 0, 0.1);
  transform: perspective(2000px) rotateY(0deg) translateX(0px) scaleX(1);
  transform-style: preserve-3d;
  transform-origin: left center;
  cursor: pointer;
  will-change: transform;
  z-index: 10;
  width: var(--book-width);
  height: var(--book-height);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shelf-books__image img {
  width: 100%;
  height: 100%;
  border-radius: 2px 6px 6px 2px;
  object-fit: cover;
  display: block;
}

.shelf-books__effect {
  position: absolute;
  width: 20px;
  height: 100%;

  top: 0;

  background-image: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.2) 0%,
      rgba(255, 255, 255, 0) 100%
  );
  transform-origin: left center;
  z-index: 5;
  pointer-events: none;
}

.shelf-books__light {
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: 2px 6px 6px 2px;
  background-image: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.5) 100%
  );
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.15;
  transform-origin: left center;
  z-index: 4;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.shelf-books__title {
  margin-top: 0.75rem;
  text-align: center;
  font-weight: 300;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* View All Button Row */
.shelf-view-all-row {
  grid-column: 1 / -1;
  grid-row: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
  margin-bottom: 2.5rem;
}

.cssbuttons-io-button {
  background: #000000;
  color: white;
  font-family: inherit;
  padding: 0.35em;
  padding-left: 1.2em;
  font-size: 17px;
  font-weight: 500;
  border-radius: 0.9em;
  border: none;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  box-shadow: inset 0 0 1.6em -0.6em #714da6;
  overflow: hidden;
  position: relative;
  height: 2.8em;
  padding-right: 3.3em;
  cursor: pointer;
}

.cssbuttons-io-button .icon {
  background: white;
  margin-left: 1em;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.2em;
  width: 2.2em;
  border-radius: 0.7em;
  box-shadow: 0.1em 0.1em 0.6em 0.2em #000000;
  right: 0.3em;
  transition: all 0.3s;
}

.cssbuttons-io-button:hover .icon {
  width: calc(100% - 0.6em);
}

.cssbuttons-io-button .icon svg {
  width: 1.1em;
  transition: transform 0.3s;
  color: #000000;
}

.cssbuttons-io-button:hover .icon svg {
  transform: translateX(0.1em);
}

.cssbuttons-io-button:active .icon {
  transform: scale(0.95);
}

/* Swiper-specific styles for shelf books on mobile */
@media (max-width: 600px) {
    .shelf-main-content {
        grid-template-columns: 1fr !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .shelf-books-swiper {
        width: 100vw !important;
        padding-left: 8vw;
        padding-right: 8vw;
        box-sizing: border-box;
    }
    .swiper-wrapper {
        /* Ensures smooth scrolling/swipe */
        align-items: stretch !important;
    }
    .swiper-slide {
        display: flex !important;
        justify-content: center;
        align-items: stretch;
        height: auto;
    }
    .shelf-books__item {
        width: 120px !important;
        min-width: 100px !important;
        max-width: 120px !important;
        margin-bottom: 0;
        flex: 0 0 120px;
        justify-content: center;
    }
    .shelf-books__container,
    .shelf-books__cover,
    .shelf-books__image {
        width: 120px !important;
        height: 180px !important;
        min-width: 100px !important;
        min-height: 150px !important;
        max-width: 120px !important;
        max-height: 180px !important;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    /* Remove previous nth-child hiding rule so all books can swipe */
    .shelf-books__item:nth-child(n+3) {
        display: block !important;
    }
    .swiper-pagination {
        margin-top: 8px;
    }
}