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.elementor-element.elementor-element-b5e6c29{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;border-style:solid;--border-style:solid;border-width:0px 0px 0px 2px;--border-top-width:0px;--border-right-width:0px;--border-bottom-width:0px;--border-left-width:2px;border-color:#E4E4E4;--border-color:#E4E4E4;--margin-top:0px;--margin-bottom:0px;--margin-left:10px;--margin-right:0px;--padding-top:19px;--padding-bottom:30px;--padding-left:16px;--padding-right:25px;}.elementor-5717 .elementor-element.elementor-element-bee4aea.elementor-element{--align-self:center;}.elementor-5717 .elementor-element.elementor-element-f969039{padding:40px 0px 0px 0px;text-align:center;}.elementor-5717 .elementor-element.elementor-element-f969039 .elementor-heading-title{color:#005D84;}.elementor-5717 .elementor-element.elementor-element-aad5cad .elementor-wrapper{--video-aspect-ratio:1.77777;}@media(min-width:768px){.elementor-5717 .elementor-element.elementor-element-276279a{--content-width:1320px;}.elementor-5717 .elementor-element.elementor-element-a2bb2c6{--width:70%;}.elementor-5717 .elementor-element.elementor-element-b5e6c29{--width:30%;}}@media(max-width:1340px){.elementor-5717 .elementor-element.elementor-element-9b88a62{--padding-top:0px;--padding-bottom:70px;--padding-left:0px;--padding-right:0px;}.elementor-5717 .elementor-element.elementor-element-8d066a6{margin:0px 0px calc(var(--kit-widget-spacing, 0px) + -8px) 0px;padding:31px 0px 0px 0px;text-align:center;}.elementor-5717 .elementor-element.elementor-element-8d066a6.elementor-element{--align-self:center;}.elementor-5717 .elementor-element.elementor-element-8d066a6 .elementor-heading-title{font-size:45px;}.elementor-5717 .elementor-element.elementor-element-8ca2c53{padding:15px 0px 56px 0px;text-align:center;}.elementor-5717 .elementor-element.elementor-element-8ca2c53.elementor-element{--align-self:center;}.elementor-5717 .elementor-element.elementor-element-8ca2c53 .elementor-heading-title{font-size:27px;}.elementor-5717 .elementor-element.elementor-element-ee736bd{font-size:14px;}}@media(max-width:767px){.elementor-5717 .elementor-element.elementor-element-8d066a6{margin:0px 0px calc(var(--kit-widget-spacing, 0px) + -30px) 0px;padding:24px 0px 0px 0px;}.elementor-5717 .elementor-element.elementor-element-8d066a6 .elementor-heading-title{font-size:20px;line-height:1.1em;}.elementor-5717 .elementor-element.elementor-element-8ca2c53{margin:0px 0px calc(var(--kit-widget-spacing, 0px) + 0px) 0px;padding:5px 15px 0px 15px;}.elementor-5717 .elementor-element.elementor-element-8ca2c53 .elementor-heading-title{font-size:20px;}.elementor-5717 .elementor-element.elementor-element-ee736bd{padding:30px 20px 0px 20px;}.elementor-5717 .elementor-element.elementor-element-276279a{--padding-top:0px;--padding-bottom:30px;--padding-left:20px;--padding-right:20px;}.elementor-5717 .elementor-element.elementor-element-617c867 .elementor-posts-container .elementor-post__thumbnail{padding-bottom:calc( 0.5 * 100% );}.elementor-5717 .elementor-element.elementor-element-617c867:after{content:"0.5";}.elementor-5717 .elementor-element.elementor-element-617c867 .elementor-post__thumbnail__link{width:100%;}.elementor-5717 .elementor-element.elementor-element-b5e6c29{--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:20px;--padding-bottom:0px;--padding-left:7px;--padding-right:7px;}}/* Start custom CSS for html, class: .elementor-element-afc491a *//* === Sudoku History Page Callout === */
.sudoku-history-callout {
  background: linear-gradient(135deg, #ffffff, #ffffff);
  color: #1a3c6b;
  padding: 36px 20px;
  border-radius: 16px;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  margin-top: 40px;
}

.sudoku-history-callout .callout-heading {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 15px;
  color: #f39c12;
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

.sudoku-history-callout .callout-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(
    45deg,
    #f39c12,
    #f39c12 6px,
    transparent 6px,
    transparent 12px
  );
  border-radius: 2px;
}

.sudoku-history-callout p {
  font-size: 17px;
  font-weight: 400;
  color: #345678;
  margin: 0;
}

/* === Difficulty Buttons for Sudoku History Page === */
.sudoku-history-page .difficulty-grid-history {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  background: #e3f2fd;
  padding: 24px;
  border-radius: 14px;
  margin-top: 20px;
}

.sudoku-history-page .difficulty-grid-history a {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: #0275d8;
  background-color: #ffffff;
  padding: 10px 20px;
  border-radius: 24px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  min-width: 95px;
  text-align: center;
  white-space: nowrap;
}

.sudoku-history-page .difficulty-grid-history a:hover {
  background-color: #0275d8;
  color: #ffffff;
  transform: scale(1.05);
}

/* === Sudoku History Main Page Content === */
.sudoku-history-page {
  font-family: 'Roboto', 'Segoe UI', sans-serif;
  background: linear-gradient(145deg, #f9fbff, #e0f0ff);
  color: #34495e;
  padding: 40px;
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  max-width: 900px;
  margin: auto;
}

.sudoku-history-page h1 {
  font-size: 2.3rem;
  text-align: center;
  color: #000000;
  margin-bottom: 30px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.sudoku-history-page .page-heading {
  font-size: 2rem;
  color: #e67e22;
  border-bottom: 3px dashed #f1c40f;
  margin-top: 50px;
  margin-bottom: 20px;
  padding-bottom: 8px;
}

.sudoku-history-page h3 {
  color: #3498db;
  font-size: 1.5rem;
  margin-top: 30px;
}

.sudoku-history-page p {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.sudoku-history-page article {
  background: #ffffff;
  padding: 15px 20px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.08);
  margin-bottom: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sudoku-history-page article:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 20px rgba(52,152,219,0.15);
}

/* === Variations List === */
.sudoku-history-page .variation-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 25px;
}

.sudoku-history-page .variation-list li {
  background-color: #ecf7ff;
  padding: 12px 18px;
  margin-bottom: 10px;
  border-left: 5px solid #3498db;
  border-radius: 8px;
  transition: background-color 0.3s ease, border-left 0.3s ease;
}

.sudoku-history-page .variation-list li:hover {
  background-color: #d6eeff;
  border-left: 5px solid #1abc9c;
}

/* === Responsive Adjustments for Mobile Devices === */
@media (max-width: 768px) {
  .sudoku-history-page {
    padding: 20px;
  }

  .sudoku-history-page h1 {
    font-size: 2.3rem;
  }

  .sudoku-history-page .page-heading {
    font-size: 1.7rem;
  }

  .sudoku-history-page h3 {
    font-size: 1.4rem;
  }

  .sudoku-history-page article {
    padding: 12px 15px;
  }
}/* End custom CSS */
/* Start custom CSS for html, class: .elementor-element-bee4aea */.elementor-5717 .elementor-element.elementor-element-bee4aea .sudoku-books-title {
  font-size: 36px;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  color: #222;
  text-align: center;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 12px;
}

.elementor-5717 .elementor-element.elementor-element-bee4aea .sudoku-books-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #ff4d4d, #1ecbe1);
  margin: 10px auto 0;
  border-radius: 4px;
  animation: underlinePulse 3s infinite ease-in-out;
}

@keyframes underlinePulse {
  0% {
    transform: scaleX(1);
    opacity: 1;
  }
  50% {
    transform: scaleX(1.5);
    opacity: 0.7;
  }
  100% {
    transform: scaleX(1);
    opacity: 1;
  }
}/* End custom CSS */