/* ============================================
   Definately not Discord Dark theme
   ============================================ */
:root {
  /* Color Palette */
  --bg-primary: #36393F;
  --bg-secondary: #2F3136;
  --bg-tertiary: #202225;
  --text-primary: #FFFFFF;
  --text-secondary: #B9BBBE;
  --text-link: #00AFF4;
  --accent: #7289DA;
  --border: #202225;

  /* Typography */
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --base-font-size: 16px;
  --line-height: 1.5;
}

/* ============================================
     LIGHT THEME OVERRIDES (System Preference)
     ============================================ */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f2f3f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e3e5e8;
    --text-primary: #2f3136;
    --text-secondary: #72767d;
    --text-link: #0066cc;
    --accent: #5865f2;
    --border: #dcdde1;
  }
}

/* ============================================
     GLOBAL RESET
     ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ============================================
     BASE STYLES
     ============================================ */
html {
  font-size: var(--base-font-size);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: var(--line-height);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
     NAVIGATION (Full-Width)
     ============================================ */
.site-nav {
  background-color: var(--bg-secondary);
  width: 100%;
  box-shadow: 0 1px 0 var(--border);
  position: relative;
  z-index: 1000;
}

.site-nav .nav-menu {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 0.5rem 0;
}

.site-nav .nav-menu ul {
  display: flex;
  list-style: none;
  gap: 1rem;
}

.site-nav .nav-menu li a {
  text-decoration: none;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.site-nav .nav-menu li a:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.site-nav .nav-toggle {
  display: none;
}

/* MOBILE NAVIGATION OVERRIDES */
@media (max-width: 768px) {
  .site-nav .nav-menu {
    display: none;
    flex-direction: column;
    position: fixed;
    bottom: 5.5rem;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    z-index: 999;
  }

  .site-nav .nav-menu.active {
    display: flex;
  }

  .site-nav .nav-menu.active ul {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .site-nav .nav-menu.active li a {
    padding: 0.75rem 1.5rem;
    width: 80%;
    text-align: center;
  }

  .site-nav .nav-toggle {
    display: block;
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--accent);
    color: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.5rem;
    z-index: 1001;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  }
}



/* ============================================
     HEADINGS
     ============================================ */
h1,
h2,
h3 {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

/* ============================================
     LINKS & BUTTONS
     ============================================ */
a {
  color: var(--text-link);
}

a:hover {
  text-decoration: underline;
}

.button,
.nav-button,
#calculator button,
.button-blue {
  display: inline-block;
  background: var(--accent);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-align: center;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.button:hover,
.button-blue:hover,
.nav-button:hover {
  background-color: #5b6eae;
}

.nav-button::before {
  content: "← ";
}

/* ============================================
     TABLES
     ============================================ */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

th,
td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}

thead {
  background-color: var(--bg-secondary);
}

th {
  color: var(--text-secondary);
  text-align: left;
}

td {
  color: var(--text-primary);
}

/* ============================================
     IMAGES
     ============================================ */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

/* ============================================
     MAIN LAYOUT & SIDEBAR
     ============================================ */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem;
}

@media (min-width: 768px) {
  main {
    flex-direction: row;
  }
}

.sidebar {
  background: var(--bg-secondary);
  padding: 1rem;
  border-right: 1px solid var(--border);
}

.sidebar a {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.sidebar a:hover {
  color: var(--text-primary);
}

/* ============================================
     FOOTER
     ============================================ */
footer {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  text-align: center;
  padding: 1rem;
  border-top: 1px solid var(--border);
}

/* ============================================
     CALCULATOR STYLES
     ============================================ */
#calculator {
  display: grid;
  grid-template-columns: repeat(4, 60px);
  gap: 8px;
  max-width: 260px;
  margin-top: 10px;
}

#calcDisplay {
  width: 240px;
  padding: 10px;
  font-size: 16px;
  margin-top: 10px;
  text-align: right;
}

/* ============================================
     DEMO CARD SHOWCASE
     ============================================ */
.grid-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 1rem;
}

.card {
  background-color: #3d3d3d;
  color: #fff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.card h2 {
  color: #4e9eff;
  margin-bottom: 0.5rem;
}

.card.bounce {
  animation: bounce 2s infinite;
}

.card.rotate {
  animation: rotate 6s linear infinite;
}

.card.scale {
  animation: scale 2.5s ease-in-out infinite;
}

.card.fade {
  animation: fade 3s ease-in-out infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes scale {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}

@keyframes fade {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* DEFAULT DARK THEME */
:root {
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --bg-primary: #36393F;
  --bg-secondary: #2F3136;
  --bg-tertiary: #202225;
  --text-primary: #FFFFFF;
  --text-secondary: #B9BBBE;
  --text-link: #00AFF4;
  --accent: #7289DA;
  --border: #202225;
}

/* MANUAL LIGHT MODE (via <html class="light">) */
:root.light {
  --bg-primary: #f2f3f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e3e5e8;
  --text-primary: #2f3136;
  --text-secondary: #72767d;
  --text-link: #0066cc;
  --accent: #5865f2;
  --border: #dcdde1;
}

/* AUTOMATIC LIGHT MODE (system preference) */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f2f3f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e3e5e8;
    --text-primary: #2f3136;
    --text-secondary: #72767d;
    --text-link: #0066cc;
    --accent: #5865f2;
    --border: #dcdde1;
  }
}