/* 🌞 Light Mode */
:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --header-bg: #f9f9f9;
  --nav-link-color: #000000;
  --section-bg: #ffffff;
  --button-bg: #e0e0e0;
  --button-text: #000000;
}

/* 🌙 Dark Mode */
[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #ffffff;
  --header-bg: #1e1e1e;
  --nav-link-color: #ffffff;
  --section-bg: #1a1a1a;
  --button-bg: #333333;
  --button-text: #ffffff;
}

/* Apply Theme to Whole Page */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

header, main, section, footer {
  background-color: var(--section-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar */
header {
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--header-bg);
}

.nav-links {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  text-decoration: none;
  color: var(--nav-link-color);
  font-weight: bold;
  transition: color 0.3s ease;
}

/* 🌙 Floating Dark Mode Button */
.theme-btn {
  position: fixed;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.1); /* Light background for light mode */
  backdrop-filter: blur(4px);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 2000;
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.theme-btn:hover {
  transform: scale(1.15);
}


/* Buttons */
button {
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* 🌙 Image Dimming in Dark Mode */
[data-theme="dark"] img {
  filter: brightness(0.8);
  transition: filter 0.3s ease;
}

/* Change background for dark mode */
[data-theme="dark"] .theme-btn {
  background-color: rgba(255, 255, 255, 0.1);
}
/* 🌙 Preserve Brand Colors */
[data-theme="dark"] h1,
[data-theme="dark"] h2 {
  color: inherit !important;  /* keep original brand colors */
}

/* Only make paragraph and normal text white */
[data-theme="dark"] p,
[data-theme="dark"] li,
[data-theme="dark"] span,
[data-theme="dark"] a {
  color: #ffffff !important;
}

/* Keep Logo Colors Bright */
[data-theme="dark"] header img,
[data-theme="dark"] .logo img {
  filter: brightness(1.3) !important;
}

/* Fix Buttons */
[data-theme="dark"] button,
[data-theme="dark"] .btn {
  background-color: #333 !important;
  color: #fff !important;
  border: 1px solid #fff !important;
  transition: all 0.3s ease;
}
/* 🌙 Fix Header & Navbar */
[data-theme="dark"] header,
[data-theme="dark"] nav,
[data-theme="dark"] .navbar,
[data-theme="dark"] .top-header {
  background-color: #181818 !important; /* soft dark gray */
  color: #ffffff !important;
}

[data-theme="dark"] nav a,
[data-theme="dark"] .navbar a,
[data-theme="dark"] .menu a {
  color: #ffffff !important;
}

/* Keep Logo Background Transparent */
[data-theme="dark"] header img,
[data-theme="dark"] .logo img {
  background: transparent !important;
  filter: brightness(1.1) !important;
}