:root{
  --base-color: white;
  --base-variant: #e8e9ed;
  --text-color: #111528;
  --secondary-text: #232738;
  --primary-color: #3a435d;
  --accent-color: #0071ff;
  --hover-color: #b94cd1;
}

.dark{
  --base-color: #070b1d;
  --base-variant: #1e2232;
  --text-color: #EFBF04;
  --secondary-text: #a4a5b8;
  --primary-color: #3a435d;
  --accent-color: #0071ff;
  --hover-color: #45c8e5;
}

*{
  margin: 0;
  padding: 0;
  transition: color 0.3s ease;
}

html{
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

body{
  min-height: 100vh;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--base-color);
  color: var(--text-color);
  text-align: center;
}

h1{
  margin: 10px 0;
}

/* Navbar styling */
.navbar {
    background-color: var(--base-variant);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 18px;
    font-weight: 500;
    padding: 8px 15px;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background-color: var(--hover-color);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

@media (max-width: 600px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

header, section{
  padding: 70px min(50px, 7%);
}

section{
  background-color: var(--base-variant);
}

p{
  font-size: 16px;
  color: var(--secondary-text);
}

p.footer-text{
  margin: 10px 0;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    margin: 10px;
    border-radius: 8px;
    background-color: var(--base-variant);
    color: var(--secondary-text);
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: var(--hover-color);
    color: var(--base-color);
}

.error-banner {
    background: #ffdddd;
    padding: 1px;
    border: 1px solid red;
    color: darkred;
    position: relative;
    margin: 0 auto;
    margin-bottom: 5px;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    display: inline-block;
    text-align: center;
}

.success-banner {
    background: #ddffdd;
    padding: 1px;
    border: 1px solid green;
    color: darkgreen;
    position: relative;
    margin: 0 auto;
    margin-bottom: 5px;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    display: inline-block;
    text-align: center;
}

.closebtn {
    padding: 8px 12px;
    margin: 0 auto;
    font-size: 21px;
}

#fixed-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 50px;
    background-color: var(--base-variant);
    text-align: center;
    line-height: 20px;
    box-sizing: border-box;
}

img.avatar {
    margin: 10px 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
}


/* theme-switch styles */
#theme-switch{
  height: 50px;
  width: 50px;
  padding: 0;
  border-radius: 50%;
  background-color: var(--base-variant);
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 20px;
  right: 20px;
}
#theme-switch svg{
  fill: var(--primary-color);
}
#theme-switch svg:last-child{
  display: none;
}
.dark #theme-switch svg:first-child{
  display: none;
}
.dark #theme-switch svg:last-child{
  display: block;
}