/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 400;
  src: local('Lato Italic'), local('Lato-Italic'), url(https://fonts.gstatic.com/s/lato/v15/S6u8w4BMUTPHjxsAUi-qNiXg7eU0.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 400;
  src: local('Lato Italic'), local('Lato-Italic'), url(https://fonts.gstatic.com/s/lato/v15/S6u8w4BMUTPHjxsAXC-qNiXg7Q.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 700;
  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(https://fonts.gstatic.com/s/lato/v15/S6u_w4BMUTPHjxsI5wq_FQftx9897sxZ.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 700;
  src: local('Lato Bold Italic'), local('Lato-BoldItalic'), url(https://fonts.gstatic.com/s/lato/v15/S6u_w4BMUTPHjxsI5wq_Gwftx9897g.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjxAwXiWtFCfQ7A.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjx4wXiWtFCc.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwaPGQ3q5d0N7w.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --primary-color: #00ced1;
  --bg-image: url("artwork-7141130.png");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-1 {
  --primary-color: #20b2aa;
  --bg-image: url("painting-mountain-lake-with-mountain-background.jpg");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-2 {
  --primary-color: #ff8c00;
  --bg-image: url("valley-of-the-five-lakes-first-lake-canada.jpg");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-3 {
  --primary-color: #ff1493;
  --bg-image: url("colorful-blue-pink-5k-8k-3840x2160-900.jpg");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-4 {
  --primary-color: #ff69b4;
  --bg-image: url("gta-6-teaser-3840x2160-13559.png");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-5 {
  --primary-color: #ff4500;
  --bg-image: url("lakeside-pink-sky-sunset-minimal-art-gradient-background-3840x2160-4584.png");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-6 {
  --primary-color: #dc143c;
  --bg-image: url("misurina-sunset.jpg");
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(25px);
}

body.theme-7 {
  --primary-color: salmon;
  --bg-image: url("background.jpeg");
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-blur: blur(15px);
}

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

body {
    height: 100vh;
    background: var(--bg-image) no-repeat center/cover;
    background-attachment: fixed;
    transition: background-image 0.5s ease-in-out, background-color 0.5s ease-in-out;
}

.page-wrapper {
  margin-top: 40px;
  margin-bottom: 40px;
}

.section-box {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 12px;
  padding: 25px;
  margin-top: 30px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
  transition: transform 0.4s ease, box-shadow 0.4s ease, background 0.6s ease, backdrop-filter 0.6s ease;
}

.section-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

a {
  color: #111; 
  text-decoration: none;
  transition: all 0.6s ease;
}

a:hover,
a:focus {
  color: var(--primary-color);
  text-decoration: none;
}

body,
td,
th,
tr,
p,
a {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 15px;
  color: #111;
  font-weight: 500;
  text-shadow: 0px 0px 10px rgba(255, 255, 255, 0.8), 0px 1px 2px rgba(255, 255, 255, 1);
}

strong {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 15px;
  color: #000;
  font-weight: 800;
  text-shadow: 0px 0px 10px rgba(255, 255, 255, 0.8), 0px 1px 2px rgba(255, 255, 255, 1);
}

heading {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: #111;
  border-bottom: 3px solid var(--primary-color);
  padding-bottom: 5px;
  display: inline-block;
  margin-bottom: 15px;
  text-shadow: 0px 0px 10px rgba(255, 255, 255, 0.8), 0px 1px 2px rgba(255, 255, 255, 1);
  transition: border-bottom-color 0.6s ease;
}

papertitle {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

name {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: #000;
  text-shadow: 0px 0px 12px rgba(255, 255, 255, 0.9), 0px 2px 4px rgba(255, 255, 255, 1);
  letter-spacing: 1px;
}

.one {
  width: 160px;
  height: 160px;
  position: relative;
}

.two {
  width: 160px;
  height: 160px;
  position: absolute;
  transition: opacity .2s ease-in-out;
  -moz-transition: opacity .2s ease-in-out;
  -webkit-transition: opacity .2s ease-in-out;
}

.fade {
  transition: opacity .2s ease-in-out;
  -moz-transition: opacity .2s ease-in-out;
  -webkit-transition: opacity .2s ease-in-out;
}

span.highlight {
  background-color: #ffffd0;
}

img.profile-pic {
    width: 100%;
    aspect-ratio: 1 / 1; 
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    transition: border-color 0.6s ease;
}

.subsection-heading {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: #111;
  margin-top: 15px;
  margin-bottom: 5px;
  text-shadow: 0px 0px 10px rgba(255, 255, 255, 0.8), 0px 1px 2px rgba(255, 255, 255, 1);
}

.frosted-line {
    border: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.3), transparent);
    box-shadow: 0px 1px 3px rgba(255, 255, 255, 0.9);
    margin: 40px 0;
}

.rounded-table {
    border-radius: 12px;
    overflow: hidden;
}

/* Original User Button Styles */
.Socials {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 13px 25px;
    background: var(--primary-color);
    color: #333;
    border: 2px solid var(--primary-color);
    border-radius: 40px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.6s ease;
}

.btn:hover {
    background: #fff;
    color: black;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
}

.social-icons {
    display: inline-flex;
    align-items: center;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 20px;
    color: #000000;
    font-size: 17px;
    margin: 0 6px;
    border: 2px solid var(--primary-color);
    border-radius: 40px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-decoration: none;
    transition: all 0.6s ease;
}

.theme-toggle-btn {
  position: fixed;
  top: 25px;
  right: 25px;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: var(--primary-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 3px solid #fff;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.5s ease;
}

.theme-toggle-btn:hover {
  background: #fff;
  color: var(--primary-color);
  border: 3px solid var(--primary-color);
  transform: rotate(45deg) scale(1.1);
}

.social-icons a:hover {
    background: #fff;
    color: black;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
}