:root {
  --bg-primary: #f4f3f2;
  --text-primary: #000000;
  --text-inverse: #f4f3f2;

  --scrollbar-track: #ededed;
  --scrollbar-thumb: #bdbdbd;
  --scrollbar-thumb-hover: #888888;
}

:root[data-theme="dark"], [data-theme="dark"] {
  --scrollbar-track: #242428;
  --scrollbar-thumb: #444;
  --scrollbar-thumb-hover: #666;
}
:root[data-theme="light"], [data-theme="light"] {
  --scrollbar-track: #ededed;
  --scrollbar-thumb: #bdbdbd;
  --scrollbar-thumb-hover: #888888;
}

@media (min-width: 769px) {
  html {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  }
  html::-webkit-scrollbar {
    width: 3px;
    height: 3px;
  }
  html::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 10px;
    opacity: 0.3;
  }
  html::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
    opacity: 0.3;
    transition: opacity 0.2s;
  }
  html::-webkit-scrollbar-thumb:hover {
    opacity: 0.6;
    background: var(--scrollbar-thumb-hover);
  }
  html::-webkit-scrollbar-button,
  html::-webkit-scrollbar-button:single-button,
  html::-webkit-scrollbar-button:increment,
  html::-webkit-scrollbar-button:decrement {
    display: none !important;
    width: 0;
    height: 0;
    background: none !important;
    border: none !important;
  }
}

@-moz-document url-prefix() {
  @media (min-width: 769px) {
    html {
      scrollbar-width: auto;
    }
  }
}



@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1a1a;
    --text-primary: #f4f3f2;
    --text-inverse: #1a1a1a;
  }
}

html {
  overflow-x: hidden;
}

body {
  overflow-x: clip;
}

body {
  width: 80%;
  max-width: min(62rem, 2000px);
  margin: 0 auto;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;

  padding-bottom: calc(0.75rem + 5vh);
}

* {
  box-sizing: border-box;
}

::selection {
  background-color: var(--text-primary);
  color: var(--text-inverse);
}

::-moz-selection {
  background-color: var(--text-primary);
  color: var(--text-inverse);
}




html {
}

a, .copyable {
  color: #33bbff;
  text-decoration: none;

  transition: opacity .2s;

  word-wrap: break-word;
  overflow-wrap: break-word;
}

a:hover, .copyable:hover {
  opacity: 0.8;
  transition: opacity .2s;
  color: goldenrod;
  cursor: pointer;
}

img {
  max-width: 100%;
  height: auto;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

button:focus, input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--text-primary);
}

:root[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --text-primary: #f4f3f2;
  --text-inverse: #1a1a1a;
  --toggle-bg: #f4f3f2;
  --toggle-icon: #1a1a1a;
}

:root[data-theme="light"] {
  --bg-primary: #f4f3f2;
  --text-primary: #1a1a1a;
  --text-inverse: #f4f3f2;
  --toggle-bg: #1a1a1a;
  --toggle-icon: #f4f3f2;
}

.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;

  border: 1px solid var(--text-primary);
  border-radius: 4px;

  padding: 0.5rem 1rem;
  height: auto;
  width: auto;

  font-size: 1rem;
  font-family: 'Courier New', Courier, monospace;
  letter-spacing: 0.08em;
  opacity: 0.4;

  z-index: 1000;
  transition: opacity 0.2s ease;
}

@media (max-width: 960px) {
  body {
    width: 92%;
  }

  .theme-toggle {
    right: max(12px, env(safe-area-inset-right));
    top: max(12px, env(safe-area-inset-top));
  }
}
.theme-toggle:focus {
  outline: none;
}
.theme-toggle:hover {
  cursor: pointer;
  opacity: 1;
  transition: opacity 0.2s ease;
}
hr {
  opacity: .7;
  width: 90%;
  margin: 2% auto;
}
hr.sleek {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--text-primary) 50%, transparent);
}

hr.faded {
  width: 70%;
  opacity: .2;
}

footer {
  border-top: 1px solid var(--text-primary);
  opacity: 0.85;

  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;

  padding: 1.2rem 0;

  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
}

.footer-site-name {
  opacity: 0.9;
  letter-spacing: 0.06em;
  font-size: 1.1rem;
}

#contact-footer-div {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0 1.5rem;
  align-items: center;
}

#contact-footer-div span {
  white-space: nowrap;
  opacity: 0.95;
  transition: opacity 0.15s ease;
}

#contact-footer-div span:hover {
  opacity: 1;
}

@media (max-width: 960px) {
  body {
    padding-bottom: calc(1rem + 3.5rem + env(safe-area-inset-bottom));
  }
}

@media (max-width: 600px) {
  body {
    margin-top: 2em;
  }
  .theme-toggle {
    min-width: 44px;
    min-height: 44px;
    font-size: 1.1em;
    top: 1em;
    right: 1em;
    border-radius: 6px;
    padding: 0.5em 1em;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  #contact-footer-div {
    gap: 0.5rem 1.2rem;
  }

  a.back-button {
    top: 0;
    display: block;
    margin-top: 1.5rem;
    font-size: 1rem;
  }

  hr {
    margin: 5% auto;
  }
}


a.back-button {
  position: relative;

  top: 50px;

  font-size: 130%;
  text-decoration: none;
  color: var(--text-primary);
  opacity: 0.7;
  transition: opacity 0.3s ease;
  z-index: 100;
}

a.back-button:hover {
  opacity: 1;
  color: var(--text-primary);
  text-underline-offset: 4px;
}

@keyframes copyNotificationIn {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes copyNotificationOut {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-6px) scale(0.95);
  }
}

.copy-notification {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;

  background-color: #1a7a4a;
  color: #e8f5ee;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 0.35em 0.85em;
  border-radius: 4px;

  pointer-events: none;
  z-index: 200;
  animation: copyNotificationIn 0.15s ease forwards;
}

.copy-notification.out {
  animation: copyNotificationOut 0.2s ease forwards;
}