/* Style Styles */

/* Color Variables */
:root {
  /* Text Colors */
  --color-heading: #ffffff;
  --color-heading-light: #1a1a1a;
  --color-subheading: #8b8b8b;
  --color-subheading-light: #666666;
  --color-body: #8b8b8b;
  --color-body-light: #666666;
  --color-nav-link: #a0a0a0;
  --color-nav-link-active: #ffffff;
  --color-nav-link-light: #666666;
  --color-nav-link-active-light: #1a1a1a;
  --color-link: #4a9eff;
  --color-link-light: #0066cc;
  
  /* Background Colors */
  --bg-primary: #1E1E1E;
  --bg-primary-light: #f5f5f5;
  --bg-sidebar: #171717;
  --bg-sidebar-light: #ffffff;
  --bg-content: #1E1E1E;
  --bg-content-light: #f5f5f5;
  --bg-card: transparent;
  --bg-card-light: transparent;
  --bg-mobile-nav: rgba(30, 30, 30, 0.7);
  --bg-mobile-nav-light: rgba(255, 255, 255, 0.7);
  --bg-mobile-nav-active: rgba(255, 255, 255, 0.15);
  --bg-mobile-nav-active-light: rgba(0, 0, 0, 0.8);
  
  /* Border Colors */
  --border-sidebar-light: #e0e0e0;
  --border-mobile-nav: rgba(255, 255, 255, 0.1);
  --border-mobile-nav-light: rgba(0, 0, 0, 0.1);
  --border-mobile-nav-active: rgba(255, 255, 255, 0.2);
  --border-mobile-nav-active-light: rgba(0, 0, 0, 0.2);
  
  /* Shadow Colors */
  --shadow-mobile-nav: rgba(0, 0, 0, 0.3);
  --shadow-mobile-nav-light: rgba(0, 0, 0, 0.1);
  --shadow-mobile-nav-inset: rgba(255, 255, 255, 0.1);
  --shadow-mobile-nav-inset-light: rgba(255, 255, 255, 0.5);
  
  /* Accent Colors */
  --accent-sun: #ffd700;
  --accent-moon: #ff0000;
  --accent-tooltip: rgba(0, 0, 0, 0.9);
  --accent-tooltip-light: rgba(255, 255, 255, 0.9);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 16px;
  color: var(--color-body);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}


html {
  font-size: 16px;
}

@media (max-width: 48rem) {
  html {
    font-size: 16px;
  }
  
  body {
    padding-top: 2rem;
  }
  
  .content {
    padding: 3rem !important;
    padding-top: 2rem !important;
  }
}

/* Sidebar Styles */
.sidebar {
  color: var(--color-heading);
  transition: width 0.3s ease;
}


.theme-toggle {
  background: none;
  border: none;
  color: var(--color-heading);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease;
  border-radius: 0.25rem;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  position: relative;
}

.theme-toggle::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 0.5rem;
  padding: 0.375rem 0.75rem;
  background-color: var(--accent-tooltip);
  color: var(--color-heading);
  font-size: 0.75rem;
  white-space: nowrap;
  border-radius: 0.375rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1000;
}

.theme-toggle:hover::before {
  opacity: 1;
}

.theme-toggle:hover .sun-icon circle {
  fill: var(--accent-sun);
  transition: fill 0.2s ease;
}

.theme-toggle:hover .moon-icon path {
  fill: var(--accent-moon);
  transition: fill 0.2s ease;
}

@media (max-width: 48rem) {
  .theme-toggle::before {
    display: none;
  }
}

.theme-toggle:hover {
  opacity: 0.7;
}

.theme-toggle:focus {
  outline: none;
}

.theme-toggle {
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
}

.theme-toggle svg {
  width: 1.25rem;
  height: 1.25rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: none;
}


/* Light Mode Styles */
body.light-mode {
  background-color: var(--bg-primary-light);
  color: var(--color-heading-light);
}

body.light-mode .sidebar {
  background-color: var(--bg-sidebar-light);
  color: var(--color-heading-light);
  border-right: 0.0625rem solid var(--border-sidebar-light);
}

.content {
  padding: 6.5rem 15rem 3rem 15rem;
}

.content h1 {
  margin-top: 0;
}

body.light-mode .content {
  background-color: var(--bg-content-light);
}





body.light-mode .theme-toggle {
  color: var(--color-heading-light);
}

body.light-mode .navigation a {
  color: var(--color-nav-link-light);
}

body.light-mode .navigation a.active {
  color: var(--color-nav-link-active-light);
}

body.light-mode .sidebar-footer {
  color: var(--color-subheading-light);
}

body.light-mode .sidebar-footer a {
  color: var(--color-subheading-light);
}

body.light-mode .sidebar-footer a.date-link {
  color: var(--color-link-light);
}

/* Mobile Header */
/* Mobile Header Styles */
.mobile-header {
  background: linear-gradient(to bottom, var(--bg-sidebar) 0%, rgba(23, 23, 23, 0.95) 50%, rgba(23, 23, 23, 0) 100%);
  backdrop-filter: blur(0.5rem);
}

.mobile-theme-toggle {
  background: none;
  border: none;
  color: var(--color-heading);
  cursor: pointer;
}

.mobile-theme-toggle::before {
  display: none;
}

.mobile-theme-toggle:hover .sun-icon circle {
  fill: var(--accent-sun);
  transition: fill 0.2s ease;
}

.mobile-theme-toggle:hover .moon-icon path {
  fill: var(--accent-moon);
  transition: fill 0.2s ease;
}

.mobile-theme-toggle svg {
  transition: none;
}

.mobile-theme-toggle:hover {
  opacity: 0.7;
}

.mobile-theme-toggle:focus {
  outline: none;
}

/* Mobile Navigation Styles */
.mobile-nav {
  background: var(--bg-mobile-nav);
  backdrop-filter: blur(2rem) saturate(180%);
  -webkit-backdrop-filter: blur(2rem) saturate(180%);
  border-radius: 2rem;
  border: 0.0625rem solid var(--border-mobile-nav);
  box-shadow: 0 0.5rem 2rem var(--shadow-mobile-nav), inset 0 0.0625rem 0 var(--shadow-mobile-nav-inset);
}

.mobile-nav-item {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 400;
  background-color: transparent;
}

.mobile-nav-item.active {
  background: var(--bg-mobile-nav-active);
  color: var(--color-heading);
  font-weight: 500;
  border-radius: 1.5rem;
  border: 0.0625rem solid var(--border-mobile-nav-active);
  box-shadow: 0 0.125rem 0.5rem var(--shadow-mobile-nav), inset 0 0.0625rem 0 var(--shadow-mobile-nav-inset);
}

.mobile-nav-item:hover,
.mobile-nav-item:focus {
  color: var(--color-heading);
  outline: 0.125rem solid var(--color-heading);
  outline-offset: 0.125rem;
}


body.light-mode .mobile-header {
  background: linear-gradient(to bottom, var(--bg-sidebar-light) 0%, rgba(255, 255, 255, 0.95) 50%, rgba(255, 255, 255, 0) 100%);
}

body.light-mode .mobile-theme-toggle {
  color: var(--color-heading-light);
}

body.light-mode .mobile-theme-toggle::before {
  background-color: var(--accent-tooltip-light);
  color: var(--color-heading-light);
}


body.light-mode .mobile-nav {
  background: var(--bg-mobile-nav-light);
  backdrop-filter: blur(2rem) saturate(180%);
  -webkit-backdrop-filter: blur(2rem) saturate(180%);
  border: 0.0625rem solid var(--border-mobile-nav-light);
  box-shadow: 0 0.5rem 2rem var(--shadow-mobile-nav-light), inset 0 0.0625rem 0 var(--shadow-mobile-nav-inset-light);
}

body.light-mode .mobile-nav-item {
  color: rgba(0, 0, 0, 0.6);
}

body.light-mode .mobile-nav-item.active {
  background: var(--bg-mobile-nav-active-light);
  color: var(--color-heading);
  border: 0.0625rem solid var(--border-mobile-nav-active-light);
  box-shadow: 0 0.125rem 0.5rem var(--shadow-mobile-nav-light), inset 0 0.0625rem 0 var(--shadow-mobile-nav-inset);
}

body.light-mode .mobile-nav-item:hover,
body.light-mode .mobile-nav-item:focus {
  color: var(--color-heading-light);
  outline-color: var(--color-heading-light);
}

body.light-mode .navigation a:hover,
body.light-mode .navigation a:focus {
  outline-color: var(--color-heading-light);
}


.logo {
  margin-top: 4rem;
  margin-bottom: 0.75rem;
  color: var(--color-heading);
}

.logo img {
  width: 2.5rem;
  height: auto;
  display: block;
}

/* Navigation Styles */
.navigation {
  flex: 1;
}

.navigation ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}

.navigation a {
  display: block;
  color: var(--color-nav-link);
  font-size: 1rem;
  padding: 0.25rem 0;
  font-weight: 400;
  transition: opacity 0.2s ease;
}

.navigation a:hover,
.navigation a:focus {
  opacity: 0.8;
  outline: none;
}

.navigation a.active {
  font-weight: 700;
  color: var(--color-nav-link-active);
}

/* Sidebar Footer Styles */
.sidebar-footer {
  margin-top: auto;
  padding-top: 2rem;
  font-size: 0.75rem;
  color: var(--color-nav-link);
  line-height: 1.5;
  position: relative;
}

.sidebar-footer .theme-toggle {
  position: absolute;
  top: 2rem;
  right: 0;
  margin: 0;
}

.sidebar-footer p {
  margin-bottom: 0.375rem;
}

.sidebar-footer a {
  color: var(--color-nav-link);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.sidebar-footer a.date-link {
  color: var(--color-link);
  text-decoration: none;
}

.sidebar-footer a.date-link:hover,
.sidebar-footer a.date-link:focus {
  opacity: 0.8;
  outline: 0.125rem solid var(--color-link);
  outline-offset: 0.125rem;
}

.sidebar-footer a:not(.date-link) {
  text-decoration: underline;
}

.sidebar-footer a:not(.date-link):hover,
.sidebar-footer a:not(.date-link):focus {
  opacity: 0.8;
  outline: 0.125rem solid var(--color-nav-link);
  outline-offset: 0.125rem;
}