CodePen Embed - 다크모드

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Light Dark Mode</title>
    <link rel="icon" type="image/png" href="https://s2.googleusercontent.com/s2/favicons?domain=www.jacinto.design">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.10.2/css/all.min.css" />
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <!-- Dark Mode Switch -->
    <div class="theme-switch-wrapper">
        <span id="toggle-icon">
            <span class="toggle-text">Light Mode</span>
            <i class="fas fa-sun"></i>
        </span>
        <label class="theme-switch">
            <input type="checkbox">
            <div class="slider round"></div>
        </label>
    </div>
    <!-- Navigation -->
    <nav id="nav">
        <a href="#home">HOME</a>
        <a href="#about">ABOUT</a>
        <a href="#projects">PROJECTS</a>
        <a href="#contact">CONTACT</a>
    </nav>
    <!-- Home Section -->
    <section id="home">
        <div class="title-group">
            <h1>Custom Title Here</h1>
            <h2>Welcome to the Website!</h2>
        </div>
    </section>
    <!-- About Section -->
    <section id="about">
        <h1>Undraw Illustrations</h1>
        <div class="about-container">
            <div class="image-container">
                <h2>Web Innovation</h2>
                <img src="img/undraw_proud_coder_light.svg" alt="Proud Coder" id="image1">
            </div>
            <div class="image-container">
                <h2>Problem Solving</h2>
                <img src="img/undraw_feeling_proud_light.svg" alt="Proud Coder" id="image2">
            </div>
            <div class="image-container">
                <h2>High Concept</h2>
                <img src="img/undraw_conceptual_idea_light.svg" alt="Idea" id="image3">
            </div>
        </div>
    </section>
    <!-- Projects Section -->
    <section id="projects">
        <h1>Buttons</h1>
        <div class="buttons">
            <button class="primary">Primary</button>
            <button class="secondary">Secondary</button>
            <button class="primary" disabled>Disabled</button>
            <button class="outline">Outline</button>
            <button class="secondary outline">Alt Outline</button>
            <button class="outline" disabled>Disabled</button>
        </div>
        <div class="text-box" id="text-box">
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Animi repudiandae corporis tempore reiciendis
                voluptatum magnam deserunt, sed ratione porro id, iure laudantium repellendus ea temporibus explicabo
                odit vel laboriosam ipsam.</p>
        </div>
    </section>
    <!-- Contact Section -->
    <section id="contact">
        <div class="social-icons">
            <i class="fab fa-github"></i>
            <i class="fab fa-codepen"></i>
            <i class="fab fa-linkedin-in"></i>
            <i class="fab fa-medium"></i>
            <i class="fab fa-instagram"></i>
            <i class="fab fa-youtube"></i>
        </div>
    </section>
    <!-- Script -->
    <script src="script.js"></script>
</body>

</html>

@import url('https://fonts.googleapis.com/css2?family=Comfortaa&family=Kaushan+Script&family=Oswald&display=swap');

:root {
  --primary-color: rgb(255, 92, 92);
  --primary-variant: #ff2d2d;
  --secondary-color: #1b9999;
  --on-primary: rgb(250, 250, 250);
  --on-background: rgb(66, 66, 66);
  --on-background-alt: rgba(66, 66, 66, 0.7);
  --background: rgb(255, 255, 255);
  --box-shadow: 0 5px 20px 1px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] {
  --primary-color: rgb(150, 65, 255);
  --primary-variant: #6c63ff;
  --secondary-color: #03dac5;
  --on-primary: #000;
  --on-background: rgba(255, 255, 255, 0.9);
  --on-background-alt: rgba(255, 255, 255, 0.7);
  --background: #121212;
}

html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--on-background);
  font-family: Comfortaa, sans-serif;
  background-color: var(--background);
  background-image: url("data:image/svg+xml,%3Csvg width='180' height='180' viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M81.28 88H68.413l19.298 19.298L81.28 88zm2.107 0h13.226L90 107.838 83.387 88zm15.334 0h12.866l-19.298 19.298L98.72 88zm-32.927-2.207L73.586 78h32.827l.5.5 7.294 7.293L115.414 87l-24.707 24.707-.707.707L64.586 87l1.207-1.207zm2.62.207L74 80.414 79.586 86H68.414zm16 0L90 80.414 95.586 86H84.414zm16 0L106 80.414 111.586 86h-11.172zm-8-6h11.173L98 85.586 92.414 80zM82 85.586L87.586 80H76.414L82 85.586zM17.414 0L.707 16.707 0 17.414V0h17.414zM4.28 0L0 12.838V0h4.28zm10.306 0L2.288 12.298 6.388 0h8.198zM180 17.414L162.586 0H180v17.414zM165.414 0l12.298 12.298L173.612 0h-8.198zM180 12.838L175.72 0H180v12.838zM0 163h16.413l.5.5 7.294 7.293L25.414 172l-8 8H0v-17zm0 10h6.613l-2.334 7H0v-7zm14.586 7l7-7H8.72l-2.333 7h8.2zM0 165.414L5.586 171H0v-5.586zM10.414 171L16 165.414 21.586 171H10.414zm-8-6h11.172L8 170.586 2.414 165zM180 163h-16.413l-7.794 7.793-1.207 1.207 8 8H180v-17zm-14.586 17l-7-7h12.865l2.333 7h-8.2zM180 173h-6.613l2.334 7H180v-7zm-21.586-2l5.586-5.586 5.586 5.586h-11.172zM180 165.414L174.414 171H180v-5.586zm-8 5.172l5.586-5.586h-11.172l5.586 5.586zM152.933 25.653l1.414 1.414-33.94 33.942-1.416-1.416 33.943-33.94zm1.414 127.28l-1.414 1.414-33.942-33.94 1.416-1.416 33.94 33.943zm-127.28 1.414l-1.414-1.414 33.94-33.942 1.416 1.416-33.943 33.94zm-1.414-127.28l1.414-1.414 33.942 33.94-1.416 1.416-33.94-33.943zM0 85c2.21 0 4 1.79 4 4s-1.79 4-4 4v-8zm180 0c-2.21 0-4 1.79-4 4s1.79 4 4 4v-8zM94 0c0 2.21-1.79 4-4 4s-4-1.79-4-4h8zm0 180c0-2.21-1.79-4-4-4s-4 1.79-4 4h8z' fill='%2349bdc9' fill-opacity='0.3' fill-rule='evenodd'/%3E%3C/svg%3E");
}

section {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

h1 {
  font-family: Kaushan Script, sans-serif;
  font-size: 100px;
  margin-bottom: 0;
}

h2 {
  color: var(--on-background-alt);
  font-size: 32px;
  font-weight: normal;
}

/* Navigation */
nav {
  z-index: 10;
  position: fixed;
  font-family: Oswald, sans-serif;
  font-size: 24px;
  letter-spacing: 3px;
  padding: 25px;
  width: 100vw;
  background: rgb(255 255 255 / 50%);
}

a {
  margin-right: 25px;
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  font-weight: bold;
}

a:hover,
a:focus {
  color: var(--on-background);
  border-bottom: 3px solid;
}

/* Home Section */
.title-group {
  text-align: center;
}

/* About Section */
.about-container {
  display: flex;
}

.image-container {
  border: 1px solid var(--secondary-color);
  border-radius: 10px;
  padding: 10px 20px;
  margin-right: 25px;
  width: auto;
  background: var(--background);
  box-shadow: var(--box-shadow);
}

img {
  height: 300px;
  width: 300px;
}

/* Projects Section */
.buttons {
  margin-top: 15px;
  margin-bottom: 50px;
}

button {
  min-width: 100px;
  height: 40px;
  cursor: pointer;
  border-radius: 10px;
  margin-right: 10px;
  border: 2px solid var(--primary-color);
  font-size: 15px;
  outline: none;
}

button:disabled {
  opacity: 0.4;
  cursor: default;
}

button:hover:not(.outline) {
  filter: brightness(110%);
}

.primary {
  background: var(--primary-color);
  color: var(--on-primary);
}

.secondary {
  border: 2px solid var(--secondary-color);
}

.secondary,
.secondary:hover,
.outline.secondary:hover {
  background: var(--secondary-color);
  color: var(--on-primary);
}

.outline {
  background: var(--background);
  color: var(--on-background);
}

.outline:hover {
  background: var(--primary-color);
  color: var(--on-primary);
}

.text-box {
  width: 40%;
  text-align: justify;
  background: rgb(0 0 0 / 50%);
  color: var(--on-primary);
  border-radius: 10px;
  padding: 30px;
}

p {
  margin: 0;
  line-height: 25px;
}

/* Contact Section */
.fab {
  font-size: 100px;
  margin-right: 50px;
  cursor: pointer;
  color: var(--primary-color);
}

.fab:hover {
  color: var(--on-background);
}

/* Dark Mode Toggle */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
  z-index: 100;
  position: fixed;
  right: 25px;
  top: 30px;
}

.theme-switch-wrapper span {
  margin-right: 10px;
  font-size: 1rem;
}

.toggle-text {
  position: relative;
  top: -4px;
  right: 5px;
  color: var(--on-background);
}

.theme-switch {
  display: inline-block;
  height: 34px;
  position: relative;
  width: 60px;
}

.theme-switch input {
  display: none;
}

.slider {
  background: #ccc;
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: 0.4s;
}

.slider::before {
  background: #fff;
  bottom: 4px;
  content: "";
  height: 26px;
  left: 4px;
  position: absolute;
  transition: 0.4s;
  width: 26px;
}

input:checked+.slider {
  background: var(--primary-color);
}

input:checked+.slider::before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round::before {
  border-radius: 50%;
}

.fas {
  font-size: 30px;
  margin-right: 5px;
}

const toggleSwitch = document.querySelector('input[type="checkbox"]');
const nav = document.getElementById('nav');
const toggleIcon = document.getElementById('toggle-icon');
const image1 = document.getElementById('image1');
const image2 = document.getElementById('image2');
const image3 = document.getElementById('image3');
const textBox = document.getElementById('text-box');

// Dark or Light Images
function imageMode(color) {
  image1.src = `img/undraw_proud_coder_${color}.svg`;
  image2.src = `img/undraw_feeling_proud_${color}.svg`;
  image3.src = `img/undraw_conceptual_idea_${color}.svg`;
}

// Dark Mode Styles
function darkMode() {
  nav.style.backgroundColor = 'rgb(0 0 0 / 50%)';
  textBox.style.backgroundColor = 'rgb(255 255 255 / 50%)';
  toggleIcon.children[0].textContent = 'Dark Mode';
  toggleIcon.children[1].classList.replace('fa-sun', 'fa-moon');
  imageMode('dark');
}

// Light Mode Styles
function lightMode() {
  nav.style.backgroundColor = 'rgb(255 255 255 / 50%)';
  textBox.style.backgroundColor = 'rgb(0 0 0 / 50%)';
  toggleIcon.children[0].textContent = 'Light Mode';
  toggleIcon.children[1].classList.replace('fa-moon', 'fa-sun');
  imageMode('light');
}

// Switch Theme Dynamically
function switchTheme(event) {
  if (event.target.checked) {
    document.documentElement.setAttribute('data-theme', 'dark');
    localStorage.setItem('theme', 'dark');
    darkMode();
  } else {
    document.documentElement.setAttribute('data-theme', 'light');
    localStorage.setItem('theme', 'light');
    lightMode();
  }
}

// Event Listener
toggleSwitch.addEventListener('change', switchTheme);

// Check Local Storage For Theme
const currentTheme = localStorage.getItem('theme');
if (currentTheme) {
  document.documentElement.setAttribute('data-theme', currentTheme);

  if (currentTheme === 'dark') {
    toggleSwitch.checked = true;
    darkMode();
  }
}

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