:root {
  --background-color: #ffffff;
  --text-color: black;
  --accent-color: #f5f258; /* Color-matched yellow from the profile picture */
  --icon-hover-color: #f5f258;
  --stress-bg: var(--accent-color);
  --stress-text: black;
  --button-bg: var(--accent-color);
  --button-text: black;
  --link-color: black;
  --link-decoration: underline;
}

[data-theme="dark"] {
  --background-color: #1a1a1a;
  --text-color: white;
  --accent-color: #8c009b;
  --icon-hover-color: #8c009b;
  --stress-bg: white;
  --stress-text: black;
  --button-bg: white;
  --button-text: black;
  --link-color: white;
  --link-decoration: underline;
}

html {
  display: table;
  width: 100%;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  display: table-cell;
  font-family: "Fira Code", monospace;
  vertical-align: middle;
  text-align: left;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1 {
  font-size: 300%;
  font-weight: normal;
  margin-bottom: 0.2em;
}

/* Mobile Breakpoint: Automatically scales down large heading text when the screen is phone-sized (under 480px width) to prevent layout breaking and horizontal scrolling. */
@media screen and (max-width: 480px) {
  h1 {
    font-size: 200%;
    word-wrap: break-word;
  }
}

h2 {
  font-size: 180%;
  font-weight: 300; /* Lighter font weight */
  padding: 10px 0 20px 0;
  margin: 0;
}

h3 {
  font-size: 100%;
  font-weight: 300;
  line-height: 1.5;
  margin: 0;
}

a {
  color: var(--link-color);
  text-decoration: var(--link-decoration);
  text-decoration-color: var(--accent-color);
  text-decoration-thickness: 3px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.icon-link {
  text-decoration: none;
}

/* Responsive Desktop & Mobile Container */
/* 80vw ensures fluid scaling on narrow phones. max-width 480px locks it cleanly in the center for wider desktop/widescreen displays without stretching. */
.box {
  width: 80vw;
  max-width: 480px;
  margin: 0 auto; /* Horizontally centered */
  position: relative;
}

.container {
  height: 128px;
  padding: 20px 0 10px 0;
  position: relative;
  margin-bottom: 30px;
}

.image-circle {
  border-radius: 100%;
  position: absolute;
  width: 128px;
  height: 128px;
  object-fit: cover;
  z-index: 2;
}

/* Icons */
.icon-link {
  display: inline-block;
  margin: 0 10px;
}

.icon {
  color: var(--text-color);
  font-size: 36px; /* Slightly larger */
  padding: 10px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.icon:hover {
  color: var(--icon-hover-color);
  transform: translateY(-3px);
}

.icons {
  padding-top: 5vh;
  display: flex;
  gap: 15px; /* Spacing between icons */
}

/* Special text color */
.stress {
  background-color: var(--stress-bg);
  color: var(--stress-text);
  font-weight: normal;
  padding: 0 4px;
  border-radius: 3px;
}

/* Button */
.button-rounded {
  display: inline-block;
  background-color: var(--button-bg);
  border: 2px solid var(--button-bg);
  border-radius: 9999px;
  color: var(--button-text);
  margin: 0.4em 0;
  padding: 0.75em 1.5em;
  font-weight: 400;
  text-decoration: none;
}

.button-rounded:hover {
  background-color: transparent;
  color: var(--text-color);
  border-color: var(--text-color);
}

.button-container {
  padding-top: 4vh;
}

/* Custom Toggle Switch */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  right: 15px;
  top: 20px;
  z-index: 1000;
}

.theme-switch {
  display: inline-block;
  height: 24px;
  position: relative;
  width: 44px;
}

.theme-switch input {
  display: none;
}

.slider {
  background-color: #dcdcdc;
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  background-color: transparent;
  bottom: 3px;
  content: "";
  height: 18px;
  left: 3px;
  position: absolute;
  transition: .4s;
  width: 18px;
  border-radius: 50%;
  /* Creates the crescent moon effect on the left */
  box-shadow: inset 7px 0px 0px 0px #1a1a1a;
}

input:checked + .slider {
  background-color: #ebebeb;
}

input:checked + .slider:before {
  transform: translateX(20px);
  /* Solid bright circle (sun) on the right */
  box-shadow: none;
  background-color: white;
}