:root {
  --font-family: "Poppins", sans-serif;
}

html.dark-mode {
  --background-color: #161616;
  --primary-color: #2e2e2e;
  --secondary-color: #000000;
  --accent-color: #1c1d1d;
  --text-color: rgb(255, 255, 255);
  --text-color-secondary: rgba(255, 255, 255, 0.7);
  --error-color: #ff4c4c;
  --confirm-color: rgb(6, 228, 13);
}

html.light-mode {
  --background-color: #ffffff;
  --primary-color: #f0f0f0;
  --secondary-color: #e0e0e0;
  --accent-color: #f5f5f5;
  --text-color: #000000;
  --text-color-secondary: rgba(0, 0, 0, 0.7);
  --error-color: #ff4c4c;
}

html.no-transition * {
  transition: none !important;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--text-color);

  transition: background-color 0.3s, color 0.3s;
}

header,
footer,
main {
  padding-right: 10rem !important;
  padding-left: 10rem !important;
}

html.dark-mode .icon {
  filter: invert(1);
}

.poppins-thin {
  font-family: "Poppins", serif;
  font-weight: 100;
  font-style: normal;
}

.poppins-extralight {
  font-family: "Poppins", serif;
  font-weight: 200;
  font-style: normal;
}

.poppins-light {
  font-family: "Poppins", serif;
  font-weight: 300;
  font-style: normal;
}

.poppins-regular {
  font-family: "Poppins", serif;
  font-weight: 400;
  font-style: normal;
}

.poppins-medium {
  font-family: "Poppins", serif;
  font-weight: 500;
  font-style: normal;
}

.poppins-semibold {
  font-family: "Poppins", serif;
  font-weight: 600;
  font-style: normal;
}

.poppins-bold {
  font-family: "Poppins", serif;
  font-weight: 700;
  font-style: normal;
}

.poppins-extrabold {
  font-family: "Poppins", serif;
  font-weight: 800;
  font-style: normal;
}

.poppins-black {
  font-family: "Poppins", serif;
  font-weight: 900;
  font-style: normal;
}

a,
button {
  all: unset;
  cursor: pointer;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: var(--text-color);
}

.button-primary {
  height: auto;
  width: auto;
  background-color: var(--primary-color);
  color: var(--text-color);
  padding: 1rem 2rem;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;

  transition: background-color 0.3s ease;
}

.button-primary:has(img),
.button-primary:has(svg) {
  padding: 1rem;
}

.button-primary:hover {
  background-color: var(--secondary-color);
}

.search-input {
  position: relative;
  z-index: 3;
  background-color: var(--primary-color);
  color: var(--text-color);
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;

  display: flex;
  align-items: center;
  gap: 1rem;

  transition: 0.3s ease;
}

.search-input > input {
  all: unset;
  width: 100%;
}

.search-input > img {
  width: 1.25rem;
  height: 1.25rem;
}

.search-input:hover {
  background-color: var(--secondary-color);
}

.search-input:focus-within {
  background-color: var(--secondary-color);
}

/* ===== FOOTER STYLES ===== */
footer {
  background-color: var(--primary-color);
  margin-top: 2rem;
}

.site-footer {
  padding: 0;
}

.footer-content {
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 2.5rem;
  padding: 3rem 0 2rem;
}

/* Footer Brand Section */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-icon {
  width: 2rem;
  height: 2rem;
}

.footer-logo h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.footer-tagline {
  color: var(--text-color-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--secondary-color);
  color: var(--text-color);
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  opacity: 1;
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* Newsletter Section */
.footer-newsletter {
  margin-top: 1rem;
}

.footer-newsletter h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: 0.5rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
  font-size: 0.9rem;
  outline: none;
  transition: background-color 0.3s ease;
}

.newsletter-input::placeholder {
  color: var(--text-color-secondary);
}

.newsletter-input:focus {
  background-color: var(--accent-color);
}

.newsletter-btn {
  padding: 0.65rem 1.25rem;
  border: none;
  border-radius: 0.5rem;
  background-color: var(--background-color);
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.newsletter-btn:hover {
  background-color: var(--accent-color);
}

/* Footer Columns */
.footer-column h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  display: inline-block;
  color: var(--text-color-secondary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
  position: relative;
}

.footer-links a:hover {
  color: var(--text-color);
  opacity: 1;
  transform: translateX(4px);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid var(--secondary-color);
  padding: 1.25rem 0;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.copyright {
  color: var(--text-color-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.footer-payment {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-payment span {
  color: var(--text-color-secondary);
  font-size: 0.85rem;
}

.payment-icons {
  display: flex;
  gap: 0.5rem;
}

.payment-icons svg {
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.payment-icons svg:hover {
  opacity: 1;
}

.footer-locale .locale-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.footer-locale .locale-btn:hover {
  background-color: var(--accent-color);
}

/* Footer Responsive Styles */
@media (min-width: 1920px) {
  .footer-grid {
    gap: 3rem;
    padding: 3.5rem 0 2.5rem;
  }

  .footer-logo h3 {
    font-size: 1.75rem;
  }

  .footer-tagline {
    font-size: 1rem;
    max-width: 380px;
  }

  .footer-column h4 {
    font-size: 1.2rem;
  }

  .footer-links a {
    font-size: 1rem;
  }
}

@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(2, 1fr);
    gap: 2rem;
  }

  .footer-column:nth-child(4),
  .footer-column:nth-child(5) {
    grid-column: span 1;
  }
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-tagline {
    max-width: none;
  }

  .newsletter-form {
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 2rem 0 1.5rem;
  }

  .footer-brand {
    grid-column: span 2;
    text-align: center;
    align-items: center;
  }

  .footer-tagline {
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }

  .newsletter-form {
    flex-direction: column;
    max-width: 300px;
  }

  .newsletter-btn {
    width: 100%;
  }

  .footer-column {
    text-align: center;
  }

  .footer-links a:hover {
    transform: none;
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-payment {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem 0;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-logo h3 {
    font-size: 1.25rem;
  }

  .footer-column h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }

  .footer-links a {
    font-size: 0.9rem;
  }

  .social-link {
    width: 36px;
    height: 36px;
  }

  .social-link svg {
    width: 16px;
    height: 16px;
  }

  .footer-bottom {
    padding: 1rem 0;
  }

  .copyright {
    font-size: 0.85rem;
  }
}

.header {
  display: grid;
  grid-template-areas: "brand search actions";
  grid-template-columns: auto 1fr auto;
  column-gap: 2rem;
  row-gap: 0;
  align-items: center;
  padding: 2rem;
  background-color: var(--primary-color);
}

.header > div {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  width: 100%;
}

.header-search {
  grid-area: search;
  width: 100%;
  max-width: none;
  justify-self: stretch;
}

.header > div a {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 500;
}

.header > div img {
  display: flex;
  width: 2rem;
  height: 2rem;
}

.profile-button {
  all: unset;
  cursor: pointer;

  width: 3rem;
  height: 3rem;

  border-radius: 50%;
  background-color: var(--accent-color);
  display: grid;
  place-items: center;
  text-transform: uppercase;
}

.header > #theme-toggle {
  border-radius: 50%;
}

.not-logged > ul {
  gap: 1rem !important;
}

.not-logged > ul > li:first-child {
  margin-right: 1rem;
}

.header > div > .not-logged .button-primary:not(#theme-toggle) {
  background-color: var(--secondary-color);
  padding: 0.75rem 1.25rem;
  transition: background-color 0.3s ease;
}

.header > div > nav .button-primary:hover {
  opacity: 1;
  background-color: var(--accent-color);
}

.header > div > nav button img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.header > div > nav > ul {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  position: relative;
}

.header .search-input {
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  background-color: var(--background-color);
}

.header .search-input > img {
  width: 1.25rem;
  height: 1.25rem;
}

.header .search-input:hover {
  background-color: var(--secondary-color);
}

.header .search-input:focus-within {
  background-color: var(--secondary-color);
}

.header a,
.profile-button {
  transition: opacity 0.3s ease;
}

.header a:hover,
.header a:active {
  opacity: 0.6;
}

.header #theme-toggle {
  border-radius: 50%;
  transition: opacity 0.3s ease;
  padding: 0;
}

.header #theme-toggle svg {
  width: 2rem;
  height: 2rem;
}

.header #theme-toggle:hover {
  background-color: var(--primary-color);
  opacity: 0.6;
}

#moon {
  opacity: 1;
  transition: opacity 0.3s ease;
}

#sun {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.dark-mode #moon {
  opacity: 0;
}

.dark-mode #sun {
  opacity: 1;
}

.book-card-explore {
  position: relative;

  width: 100%;
  height: 500px;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;

  background-color: var(--primary-color);
  border-radius: 1rem;
  padding: 1rem;
}

.book-card-explore > .wishlist-button {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 1;

  height: 3rem;
  width: 3rem;
  padding: 0.5rem;

  opacity: 0.75;

  transition: opacity 0.3s ease;

  display: grid;
  place-items: center;
  border-radius: 0.75rem;
  background-color: transparent;
}

.book-card-explore > .wishlist-button img {
  filter: invert(1);
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.book-card-explore > .wishlist-button:hover {
  opacity: 1;
}

.book-card-explore img {
  object-fit: cover;
  width: 100%;
  height: 100%;
  object-position: center;
  border-radius: 1rem;
}

.book-card-explore .book-info {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.book-card-explore .book-info > div {
  height: 100%;
  display: grid;
  grid-template-rows: auto auto auto 1fr;
  gap: 0.5rem;
}

.book-card-explore .book-info .author {
  font-size: 1rem;
  font-weight: 600;
}

.book-card-explore .book-info .price {
  font-size: 1.25rem;
  align-self: flex-end;
  text-align: right;
}

.book-card-explore .book-info .price span {
  font-weight: 600;
}

.book-card-explore .book-info .title {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Rating Display in Book Cards */
.rating-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rating-display .stars {
  position: relative;
  display: inline-flex;
}

.rating-display .stars-inner,
.rating-display .stars-outer {
  display: flex;
}

.rating-display .stars-inner img,
.rating-display .stars-outer img {
  width: 1rem;
  height: 1rem;
  filter: invert(1);
}

.rating-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-color-secondary);
}

.book-card-explore .rating {
  font-size: 0.9rem;
  color: var(--text-color-secondary);
}

.book-card-explore .book-info button {
  background-color: var(--secondary-color);
}

.book-card-explore .book-info button:hover {
  background-color: var(--background-color);
}

.book-card-explore .book-info button {
  width: auto;
}

/* Promotion Badge & Price Styles */
.promo-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(238, 90, 36, 0.3);
}

.original-price {
  text-decoration: line-through;
  color: var(--text-color-secondary);
  font-size: 0.9em;
  margin-right: 0.5rem;
}

.promo-price {
  color: #ee5a24;
  font-weight: 700;
}

html.dark-mode .promo-price {
  color: #ff7675;
}

.book-card-explore .price .original-price,
.book-card .price .original-price {
  font-weight: 400;
}

.related-book-card {
  position: relative;
}

.related-book-card .promo-badge {
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}

.related-price {
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

.related-price .original-price {
  font-size: 0.85rem;
}

.related-price .promo-price {
  font-size: 0.95rem;
}

/* 2K Resolution - Book Card Explore */
@media (min-width: 2560px) {
  .book-card-explore {
    height: 600px;
    gap: 1.5rem;
    padding: 1.25rem;
  }

  .book-card-explore .book-info .title {
    font-size: 2rem;
  }

  .book-card-explore .book-info .author {
    font-size: 1.25rem;
  }

  .book-card-explore .book-info .price {
    font-size: 1.5rem;
  }

  .book-card-explore > .wishlist-button {
    width: 3.5rem;
    height: 3.5rem;
  }
}

@media (min-width: 1920px) {
  .book-card-explore {
    height: 550px;
  }

  .book-card-explore .book-info .title {
    font-size: 1.85rem;
  }

  .book-card-explore .book-info .author {
    font-size: 1.15rem;
  }

  .book-card-explore .book-info .price {
    font-size: 1.4rem;
  }
}

@media (max-width: 1400px) {
  .book-card-explore {
    height: 480px;
  }

  .book-card-explore .book-info .title {
    font-size: 1.4rem;
  }
}

@media (max-width: 1199px) {
  .book-card-explore {
    height: 420px;
    grid-template-columns: 0.9fr 1.1fr;
  }

  .book-card-explore .book-info .title {
    font-size: 1.35rem;
  }

  .book-card-explore .book-info .author {
    font-size: 0.95rem;
  }
}

@media (max-width: 992px) {
  .book-card-explore {
    height: 400px;
    grid-template-columns: 1fr 1.2fr;
  }

  .book-card-explore .book-info .title {
    font-size: 1.25rem;
  }

  .book-card-explore .book-info .author {
    font-size: 0.9rem;
  }

  .book-card-explore .book-info .price {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .book-card-explore {
    grid-template-columns: 1fr;
    height: auto;
  }

  .book-card-explore img {
    height: 250px;
    max-height: 260px;
    width: 100%;
  }

  .book-card-explore .book-info {
    gap: 0.75rem;
  }

  .book-card-explore .book-info > div {
    grid-template-rows: auto auto auto auto;
  }

  .book-card-explore > .wishlist-button {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.4rem;
    top: 0.75rem;
    left: 0.75rem;
  }

  .book-card-explore .book-info .price {
    text-align: left;
    align-self: flex-start;
  }

  .book-card-explore .book-info button {
    width: 100%;
  }

  .book-card-explore > .wishlist-button {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.4rem;
    top: 0.75rem;
    left: 0.75rem;
    background-color: transparent;
    padding: 0.5rem;
  }
}

@media (max-width: 576px) {
  .book-card-explore {
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .book-card-explore img {
    height: 200px;
    max-height: 220px;
  }

  .book-card-explore .book-info .title {
    font-size: 1.15rem;
  }

  .book-card-explore .book-info .author {
    font-size: 0.85rem;
  }

  .book-card-explore .book-info .price {
    font-size: 1rem;
  }

  .book-card-explore > .wishlist-button {
    width: 2.25rem;
    height: 2.25rem;
    top: 0.5rem;
    left: 0.5rem;
  }
}

.h-big {
  font-size: 6rem;
  font-weight: 600;
}

.h-medium {
  font-size: 3rem;
  font-weight: 700;
}

.h-small {
  font-size: 1.5rem;
  font-weight: 700;
}

.p-big {
  font-size: 2rem;
  font-weight: 600;
}

.p-medium {
  font-size: 1.5rem;
}

.p-normal {
  font-size: 1rem;
}

/* 2K Resolution Typography */
@media (min-width: 2560px) {
  .h-big {
    font-size: 8rem;
  }

  .h-medium {
    font-size: 4.5rem;
  }

  .h-small {
    font-size: 2.25rem;
  }

  .p-big {
    font-size: 2.75rem;
  }

  .p-medium {
    font-size: 2rem;
  }

  .p-normal {
    font-size: 1.25rem;
  }
}

/* Large Desktop Typography */
@media (min-width: 1920px) {
  .h-big {
    font-size: 7rem;
  }

  .h-medium {
    font-size: 3.75rem;
  }

  .h-small {
    font-size: 1.85rem;
  }

  .p-big {
    font-size: 2.35rem;
  }

  .p-medium {
    font-size: 1.75rem;
  }

  .p-normal {
    font-size: 1.15rem;
  }
}

/* Medium Desktop Typography */
@media (max-width: 1400px) {
  .h-big {
    font-size: 5.5rem;
  }

  .h-medium {
    font-size: 2.75rem;
  }

  .p-big {
    font-size: 1.85rem;
  }
}

/* Media Queries for Responsiveness */
@media (max-width: 1200px) {
  .h-big {
    font-size: 5rem;
  }

  .h-medium {
    font-size: 2.5rem;
  }

  .h-small {
    font-size: 1.25rem;
  }

  .p-big {
    font-size: 1.75rem;
  }

  .p-medium {
    font-size: 1.25rem;
  }

  .p-normal {
    font-size: 0.95rem;
  }
}

@media (max-width: 992px) {
  .h-big {
    font-size: 4.5rem;
  }

  .h-medium {
    font-size: 2.25rem;
  }

  .h-small {
    font-size: 1.15rem;
  }

  .p-big {
    font-size: 1.6rem;
  }

  .p-medium {
    font-size: 1.15rem;
  }

  .p-normal {
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  .h-big {
    font-size: 3.5rem;
  }

  .h-medium {
    font-size: 2rem;
  }

  .h-small {
    font-size: 1rem;
  }

  .p-big {
    font-size: 1.5rem;
  }

  .p-medium {
    font-size: 1rem;
  }

  .p-normal {
    font-size: 0.85rem;
  }
}

@media (max-width: 576px) {
  .h-big {
    font-size: 2.75rem;
  }

  .h-medium {
    font-size: 1.5rem;
  }

  .h-small {
    font-size: 0.9rem;
  }

  .p-big {
    font-size: 1.25rem;
  }

  .p-medium {
    font-size: 0.9rem;
  }

  .p-normal {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .h-big {
    font-size: 2.5rem;
  }

  .h-medium {
    font-size: 1.35rem;
  }

  .h-small {
    font-size: 0.85rem;
  }

  .p-big {
    font-size: 1.15rem;
  }

  .p-medium {
    font-size: 0.85rem;
  }

  .p-normal {
    font-size: 0.75rem;
  }
}

/* Style the scrollbar track */
::-webkit-scrollbar {
  width: 14px; /* Width of the scrollbar */
}

/* Style the scrollbar thumb */
::-webkit-scrollbar-thumb {
  background-color: var(--secondary-color);
  border-radius: 10px;
  border: 4px solid transparent;
  background-clip: content-box;
}

/* Style the scrollbar track */
::-webkit-scrollbar-track {
  background-color: var(--primary-color);
}

/* Style the scrollbar corner */
::-webkit-scrollbar-corner {
  background-color: var(--primary-color);
}

.stars {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.stars-outer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
}

.stars-inner {
  position: relative;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  color: gold;
}

.stars-inner img,
.stars-outer img {
  width: 1.5rem;
  height: 1.5rem;
}

.stars-outer {
  opacity: 0.4;
}

.profile-button:hover + .user-menu-popup,
.user-menu-popup:hover,
.user-menu-popup.active {
  visibility: visible;
  opacity: 1;
}

.user-menu-popup {
  opacity: 0;
  position: absolute;
  visibility: hidden;
  top: 4rem;
  right: -1rem;
  z-index: 1001;

  background-color: var(--accent-color);
  border-radius: 0.75rem;
  padding: 0.5rem 0;
  box-shadow: 0 0 1rem rgba(0, 0, 0, 0.1);
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.user-menu-popup::after {
  content: "";
  position: absolute;
  top: -1rem;
  right: 2rem;
  border: 0.5rem solid transparent;
  border-bottom-color: var(--accent-color);
}

.user-menu-popup > a {
  display: block;
  padding: 0.25rem 1rem;
  transition: opacity 0.3s ease;
}

.user-menu-popup > .spacer {
  height: 1px;
  width: 100%;
  margin: 0.25rem 0;
  background-color: var(--text-color-secondary);
}

.user-menu-popup > a > img {
  width: 2rem;
  height: 2rem;
}

.search-results {
  visibility: hidden;
  position: absolute;
  width: 100%;
  background-color: var(--secondary-color);
  margin-top: 0.5rem;
  top: 100%;
  left: 0;
  border-radius: 0.5rem;
  list-style: none;
  gap: 0.5rem;
  opacity: 0;

  transition: opacity 0.3s ease;
}

.search-results.visible {
  opacity: 1;
  visibility: visible !important;
}

.search-results > a:first-child {
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
}

.search-results > a:last-child {
  border-bottom-left-radius: 0.5rem;
  border-bottom-right-radius: 0.5rem;
}

.search-results > a {
  display: flex;
  padding: 0.5rem 1rem;
  transition: background-color 0.3s ease;
}

.search-results > a:hover {
  opacity: 1;
  background-color: var(--accent-color);
}

.search-results > a .book-title {
  font-weight: 600;
}

.search-results > a .book-author {
  font-size: 0.75rem;
  color: var(--text-color-secondary);
}

.search-results > a img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.25rem;
}

.notification-container {
  position: fixed;

  width: 20%;
  bottom: 1.5rem;
  right: 0;

  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.notification {
  position: relative;
  padding: 0.5rem 1rem 0.5rem 1.5rem;
  background-color: var(--accent-color);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-color);

  animation: slideIn 1s ease-out forwards, fadeOut 1s ease-in forwards 3s;
}

.notification::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  height: 100%;
  width: 1rem;
  background-color: var(--confirm-color);
}

.notification.error::before {
  background-color: var(--error-color);
}

@keyframes slideIn {
  0% {
    transform: translateX(100%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Demo Disclaimer Modal */
.disclaimer-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.disclaimer-content {
  background-color: var(--primary-color);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.disclaimer-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.disclaimer-content > p {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-color);
  line-height: 1.6;
}

.disclaimer-content ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  text-align: left;
}

.disclaimer-content li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-color-secondary);
  font-size: 0.95rem;
}

.disclaimer-content li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #f59e0b;
  font-weight: bold;
}

.disclaimer-footer {
  font-size: 0.85rem !important;
  color: var(--text-color-secondary) !important;
  margin-top: 1rem !important;
  margin-bottom: 1.25rem !important;
}

.disclaimer-content button {
  width: 100%;
  background-color: var(--secondary-color);
  padding: 1rem 2rem;
}

.disclaimer-content button:hover {
  background-color: var(--accent-color);
}

@media (max-width: 576px) {
  .disclaimer-content {
    padding: 1.5rem;
    margin: 0.5rem;
  }

  .disclaimer-content h2 {
    font-size: 1.25rem;
  }

  .disclaimer-content > p {
    font-size: 0.9rem;
  }

  .disclaimer-content li {
    font-size: 0.85rem;
  }
}

/* Responsive layout helpers */
@media (min-width: 2560px) {
  header,
  footer,
  main {
    padding-right: 18rem !important;
    padding-left: 18rem !important;
  }

  .h-big {
    font-size: 7.5rem;
  }

  .h-medium {
    font-size: 4rem;
  }

  .h-small {
    font-size: 2rem;
  }

  .p-big {
    font-size: 2.5rem;
  }

  .p-medium {
    font-size: 1.75rem;
  }

  .p-normal {
    font-size: 1.25rem;
  }

  .header {
    padding: 2.5rem;
    column-gap: 3rem;
  }

  .header > div img {
    width: 2.5rem;
    height: 2.5rem;
  }

  .profile-button {
    width: 3.5rem;
    height: 3.5rem;
  }

  .button-primary {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
  }

  .search-input {
    padding: 1.25rem;
    font-size: 1.1rem;
  }

  .notification-container {
    width: 18%;
  }
}

@media (min-width: 1920px) {
  header,
  footer,
  main {
    padding-right: 14rem !important;
    padding-left: 14rem !important;
  }

  .h-big {
    font-size: 6.5rem;
  }

  .h-medium {
    font-size: 3.5rem;
  }

  .p-big {
    font-size: 2.25rem;
  }

  .notification-container {
    width: 20%;
  }
}

@media (max-width: 1400px) {
  header,
  footer,
  main {
    padding-right: 8rem !important;
    padding-left: 8rem !important;
  }
}

@media (max-width: 1200px) {
  header,
  footer,
  main {
    padding-right: 6rem !important;
    padding-left: 6rem !important;
  }

  .header {
    display: grid;
    grid-template-areas: "brand search actions";
    grid-template-columns: auto 1fr auto;
    column-gap: 1.5rem;
    row-gap: 0;
    align-items: center;
  }

  .header-brand {
    grid-area: brand;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .header-actions {
    grid-area: actions;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
  }

  .header-actions > nav > ul {
    flex-wrap: nowrap;
    gap: 0.75rem;
  }

  .header-search {
    grid-area: search;
    width: 100%;
    max-width: none;
    justify-self: stretch;
  }

  .notification-container {
    width: 32%;
    right: 1rem;
  }
}

@media (max-width: 992px) {
  header,
  footer,
  main {
    padding-right: 3rem !important;
    padding-left: 3rem !important;
  }

  .header {
    display: grid;
    grid-template-areas: "brand search actions";
    grid-template-columns: auto 1fr auto;
    column-gap: 1rem;
    row-gap: 0;
    align-items: center;
  }

  .header > div:nth-child(2) {
    width: 100%;
  }

  .header > div > nav > ul {
    flex-wrap: nowrap;
    gap: 0.75rem;
  }

  .book-card-explore {
    grid-template-columns: 1fr;
    height: auto;
  }

  .notification-container {
    width: 45%;
  }
}

@media (max-width: 768px) {
  header,
  footer,
  main {
    padding-right: 1.25rem !important;
    padding-left: 1.25rem !important;
  }

  footer,
  .header {
    padding: 1rem;
    gap: 0.75rem;
  }

  .header {
    display: grid;
    grid-template-areas:
      "brand actions"
      "search search";
    grid-template-columns: 1fr auto;
    align-items: center;
    row-gap: 0.75rem;
  }

  .header-brand {
    grid-area: brand;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .logo-text {
    display: none;
  }

  .header-actions {
    grid-area: actions;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    gap: 0.5rem;
  }

  .header-actions > nav > ul {
    flex-wrap: nowrap;
    gap: 0.5rem;
  }

  .not-logged > ul {
    gap: 0.5rem !important;
  }

  .not-logged > ul > li:first-child {
    margin-right: 0;
  }

  .header .button-primary {
    padding: 0.5rem 0.9rem;
    font-size: 0.95rem;
    border-radius: 0.5rem;
  }

  .header-search {
    grid-area: search;
    width: 100%;
    max-width: none;
  }

  .notification-container {
    width: 90%;
    right: 5%;
    left: 5%;
  }
}

@media (max-width: 576px) {
  header,
  footer,
  main {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
  }

  .button-primary {
    width: auto;
    justify-content: center;
  }

  .book-card-explore {
    gap: 1.5rem;
  }

  .header {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "brand actions"
      "search search";
    column-gap: 0.75rem;
    row-gap: 0.5rem;
    align-items: center;
  }

  .header-brand {
    grid-area: brand;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    justify-content: flex-start;
  }

  .header-actions {
    grid-area: actions;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.6rem;
    width: 100%;
  }

  .header-actions > nav > ul {
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 0.6rem;
    align-items: center;
  }

  .not-logged > ul {
    width: auto;
    gap: 0.6rem !important;
    justify-content: flex-end;
    flex-wrap: nowrap;
    align-items: center;
  }

  .not-logged .button-primary {
    width: auto;
    padding: 0.4rem 0.85rem;
    font-size: 0.9rem;
    border-radius: 0.45rem;
  }

  .header .search-input {
    grid-area: search;
    width: 100%;
  }
}