/* Dark/Light Mode Theme */

/* Light mode (default) */
:root[data-theme="light"],
:root:not([data-theme]) {
  color-scheme: light;
}

/* Dark mode */
:root[data-theme="dark"] {
  color-scheme: dark;
}

/* Theme toggle button */
#theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: none;
  border: 2px solid var(--border-color-01);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  z-index: 1000;
  transition: all 0.3s ease;
}

#theme-toggle:hover {
  background-color: var(--background-color);
  transform: scale(1.1);
}

/* Dark mode specific styles */
:root[data-theme="dark"] {
  --background-color: #1a1a1a;
  --text-color: #e0e0e0;
  --border-color: #333;
  --code-bg: #0d1117;
  --link-color: #58a6ff;
  --accent-color: #1f6feb;
}

/* Light mode specific styles */
:root[data-theme="light"],
:root:not([data-theme]) {
  --background-color: #ffffff;
  --text-color: #333333;
  --border-color: #e5e5e5;
  --code-bg: #f6f8fa;
  --link-color: #0969da;
  --accent-color: #0969da;
}

/* Apply theme to body */
:root[data-theme="dark"] {
  background-color: var(--background-color);
  color: var(--text-color);
}

/* Dark mode overrides for text */
:root[data-theme="dark"] body {
  background-color: #1a1a1a;
  color: #e0e0e0;
}

:root[data-theme="dark"] a {
  color: var(--link-color);
}

:root[data-theme="dark"] a:visited {
  color: #8957e5;
}

/* Dark mode for code blocks */
:root[data-theme="dark"] code,
:root[data-theme="dark"] pre {
  background-color: var(--code-bg);
  color: #e0e0e0;
  border-color: var(--border-color);
}

:root[data-theme="dark"] .highlight {
  background-color: var(--code-bg);
}

/* Dark mode for blockquotes */
:root[data-theme="dark"] blockquote {
  color: #b0b0b0;
  border-left-color: var(--border-color);
}

/* Dark mode for tables */
:root[data-theme="dark"] table {
  border-collapse: collapse;
}

:root[data-theme="dark"] table tr {
  background-color: #222;
  border-color: var(--border-color);
}

:root[data-theme="dark"] table tr:nth-child(2n) {
  background-color: #1a1a1a;
}

:root[data-theme="dark"] th,
:root[data-theme="dark"] td {
  border-color: var(--border-color);
  color: #e0e0e0;
}

/* Dark mode for headers */
:root[data-theme="dark"] h1,
:root[data-theme="dark"] h2,
:root[data-theme="dark"] h3,
:root[data-theme="dark"] h4,
:root[data-theme="dark"] h5,
:root[data-theme="dark"] h6 {
  color: #e0e0e0;
}

/* Dark mode for horizontal rules */
:root[data-theme="dark"] hr {
  border-color: var(--border-color);
}

/* Dark mode for post navigation */
:root[data-theme="dark"] .post_navi-item {
  color: var(--link-color);
}

:root[data-theme="dark"] .post_navi-item:hover {
  background-color: #222;
}

/* Dark mode for inputs and forms */
:root[data-theme="dark"] input,
:root[data-theme="dark"] textarea,
:root[data-theme="dark"] select {
  background-color: #222;
  color: #e0e0e0;
  border-color: var(--border-color);
}

:root[data-theme="dark"] input:focus,
:root[data-theme="dark"] textarea:focus,
:root[data-theme="dark"] select:focus {
  background-color: #333;
  border-color: var(--link-color);
}

/* Smooth theme transitions */
body,
code,
pre,
a,
h1,
h2,
h3,
h4,
h5,
h6,
blockquote,
table,
tr,
th,
td,
hr,
input,
textarea,
select {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}