/* Theme detection */
:root {
    /* Light Mode Colors */
    --bg-light: #FFFFFF;
    --text-primary-light: #333333;
    --text-secondary-light: #666666;
    --link-light: #007BFF;
    --accent-light: #E0E0E0;
    --card-bg-light: #F2F2F2;
    --border-light: #DDDDDD;
    --nav-light: #F4F4F4;
    --content-text-light: #222222;
    --content-text-dark: #EAEAEA;


    /* Dark Mode Colors */
    --bg-dark: #181818;
    --text-primary-dark: #E0E0E0;
    --text-secondary-dark: #B0B0B0;
    --link-dark: #1ecbff;
    --accent-dark: #545454;
    --card-bg-dark: #2A2A2A;
    --border-dark: #444444;
    --nav-dark: #333333;

    /*Background for both Light & Dark Mode*/
    --bg-image-light: url("assets/bg_light.png");
    --bg-image-dark: url("assets/bg_dark.png");

    /* Default theme */
    --background: var(--bg-light);
    --primary: var(--text-primary-light);
    --secondary: var(--text-secondary-light);
    --link: var(--link-light);
    --accent: var(--accent-light);
    --card: var(--card-bg-light);
    --border: var(--border-light);
    --nav: var(--nav-light);
    --bg-image: var(--bg-image-light);
    --content-text: var(--content-text-light);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: var(--bg-dark);
        --primary: var(--text-primary-dark);
        --secondary: var(--text-secondary-dark);
        --link: var(--link-dark);
        --accent: var(--accent-dark);
        --card: var(--card-bg-dark);
        --border: var(--border-dark);
        --nav: var(--nav-dark);
        --bg-image: var(--bg-image-dark);
        --content-text: var(--content-text-dark);
    }
    .container {
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 0 25px rgba(0, 0, 0, 0.5);
    }
    .button {
    background: var(--accent);
    }
    img {
    background: rgba(0, 0, 0, 0.4);
    border: 2px solid var(--accent);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    }
    footer {
        background: rgba(51, 51, 51, 0.2);
    }
    nav {
        background: rgba(51, 51, 51, 0.2);
    }
}

/* General Styles */
html {
    height: 100%;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: "Exo 2", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    margin: 0;
    padding: 70px 0 0 0;
    transition: background 0.3s, color 0.3s;
    background-color: var(--background);
    background-image: var(--bg-image);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--primary);
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Button Styles */
.button {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.3s, transform 0.2s, box-shadow 0.2s;
  margin-top: 10px;
  margin-right: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.button:hover {
  background: var(--link);
  transform: scale(1.05);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
}


/* Content background box */
main {
    flex: 1;
}

.container {
    border-radius: 15px;
    padding: 20px 30px;
    margin: 2rem 0 2rem 2rem; /* left-aligned layout */
    max-width: 900px;
    width: 90%;
    text-align: left;
    transition: background 0.3s, box-shadow 0.3s;
}


.container p,
.container h1,
.container h2,
.container h3 {
    color: var(--content-text);
}

/* Navbar */
nav {
  background: rgba(244, 244, 244, 0.2);
  padding: 10px 30px;
  position: fixed;
  width: 100%; /* full width */
  top: 0;
  left: 0; /* remove offset */
  z-index: 1000;
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  box-sizing: border-box;
}

/* Navigation Links */
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: var(--primary);
    font-size: 18px;
    font-weight: bold;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}

nav ul li a:hover {
    background: var(--link);
    color: white;
}

/* Responsive Navbar */
.menu-toggle {
    display: none;
    font-size: 24px;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: flex-start;
    }

    nav ul {
        flex-direction: column;
        background: var(--nav);
        position: absolute;
        top: 50px;
        left: 0;
        width: 100%;
        display: none;
        padding: 10px 0;
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
    }
}

@media (prefers-color-scheme: light) {
    .container {
        background: rgba(255, 255, 255, 0.6);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    }
    .button {
    background: var(--link);
    }
}

/* Footer */
footer {
    background: rgba(244, 244, 244, 0.2);
    color: var(--primary);
    padding: 12px 0;
    text-align: center;
    margin-top: auto;
    left: -2vw;
    width: calc(100% + 2vw);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--link);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent);
}

/* Theme Toggle Button */
.theme-toggle {
  margin-left: auto;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.theme-toggle:hover {
  background: var(--link);
  transform: scale(1.05);
}

/* ===================================== */
/* MANUAL THEME SWITCH SUPPORT */
/* ===================================== */

/* Force Light Theme */
:root[data-theme='light'] {
  --background: var(--bg-light);
  --primary: var(--text-primary-light);
  --secondary: var(--text-secondary-light);
  --link: var(--link-light);
  --accent: var(--accent-light);
  --card: var(--card-bg-light);
  --border: var(--border-light);
  --nav: var(--nav-light);
  --bg-image: var(--bg-image-light);
  --content-text: var(--content-text-light);
}

/* Force Dark Theme */
:root[data-theme='dark'] {
  --background: var(--bg-dark);
  --primary: var(--text-primary-dark);
  --secondary: var(--text-secondary-dark);
  --link: var(--link-dark);
  --accent: var(--accent-dark);
  --card: var(--card-bg-dark);
  --border: var(--border-dark);
  --nav: var(--nav-dark);
  --bg-image: var(--bg-image-dark);
  --content-text: var(--content-text-dark);
}

:root[data-theme='dark'] footer {
  background: rgba(51, 51, 51, 0.2);
}

:root[data-theme='dark'] nav {
  background: rgba(51, 51, 51, 0.2);
}

:root[data-theme='dark'] .container {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.5);
}

:root[data-theme='light'] .container {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

/* ===================================== */
/* Universal Image Frame Styling */
/* ===================================== */

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 2px solid var(--border);
  padding: 5px;
  background: rgba(255, 255, 255, 0.1); /* subtle inner frame */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s, box-shadow 0.3s;
  margin: 1rem 0;
}

img:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

/* ===================================== */
/* Image Carousel Styling */
/* ===================================== */
.carousel {
  position: relative;
  width: 100%;
  max-width: 1000px;
  height: 506px;
  margin: 2rem auto;
  overflow: hidden;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.1);
}

.carousel img {
  width: auto;
  height: 100%;
  display: none;
  object-fit: contain;
  border: none;
  padding: 0;
  background: transparent;
  box-shadow: none;
  margin: 0;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 0;
}

.carousel img.active {
  display: block;
  opacity: 1;
}

.carousel img:hover {
  transform: none;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--accent);
  border: none;
  color: white;
  font-size: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.carousel-btn:hover {
  background: var(--link);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
  left: 15px;
}

.carousel-btn.next {
  right: 15px;
}

@media (max-width: 768px) {
  .carousel-btn {
    width: 35px;
    height: 35px;
    font-size: 18px;
  }
}

.dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  text-align: center;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 5px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s;
}

.dot.active {
  background-color: white;
}

img.no-style {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
}