/* Base Styles */
body { font-family: 'Segoe UI', sans-serif; margin: 0; padding: 0; 
  padding-top: 50px;
  padding-bottom: 50px;
}

/* Themes */
.theme-light { background-color: #f9f9f9; color: #333; }
.theme-dark { background-color: #333; color: #f9f9f9; }

/* Calendar */
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; padding: 10px; }
.calendar div { padding: 10px; border: 1px solid #ccc; text-align: center; }
.calendar .today { background-color: #007bff; color: white; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-content { display: none; position: absolute; background-color: #f1f1f1; min-width: 160px; box-shadow: 0px 8px 16px rgba(0,0,0,0.2); z-index: 1; }
.dropdown-content a { color: black; padding: 12px 16px; text-decoration: none; display: block; }
.dropdown:hover .dropdown-content { display: block; }

/* Tabs */
.tabs { display: flex; cursor: pointer; margin-bottom: 10px; }
.tab { padding: 10px; border: 1px solid #ccc; margin-right: 5px; }
.tab-content { display: none; padding: 10px; border: 1px solid #ccc; }
.tab-content.active { display: block; }

/* Tooltip */
.tooltip { position: relative; display: inline-block; }
.tooltip .tooltiptext { visibility: hidden; width: 120px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 5px; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -60px; opacity: 0; transition: opacity 0.3s; }
.tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }

/* Navbar */
nav {
  font-size: 1rem;
  transition: all 0.3s ease;
}

nav i {
  margin-right: 8px;
  font-size: 1.2em;
  vertical-align: middle;
  color: white;
  transition: color 0.3s ease;
}

#navbar-top {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #333;
  color: white;
  padding: 10px;
  text-align: center;
  z-index: 1000;
}

#navbar-top:hover {
  background-color: #000;
  color: #ffcc00;
}

#navbar-top:hover i {
  color: #ffcc00;
}

#navbar-left {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 150px;
  background-color: #444;
  color: white;
  padding: 20px;
  text-align: center;
  z-index: 1000;
}

#navbar-left:hover {
  background-color: #222;
  color: #00ffcc;
}

#navbar-left:hover i {
  color: #00ffcc;
}

#navbar-right {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 150px;
  background-color: #555;
  color: white;
  padding: 20px;
  text-align: center;
  z-index: 1000;
}

#navbar-right:hover {
  background-color: #111;
  color: #66ff66;
}

#navbar-right:hover i {
  color: #66ff66;
}

#navbar-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #666;
  color: white;
  padding: 10px;
  text-align: center;
  z-index: 1000;
}

#navbar-bottom:hover {
  background-color: #333;
  color: #ff6699;
}

#navbar-bottom:hover i {
  color: #ff6699;
}

/* Others */
.hamburger {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1100;
  font-size: 1.5em;
  color: white;
  cursor: pointer;
  display: none;
}

#mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 200px;
  height: 100vh;
  background-color: #333;
  color: white;
  padding: 20px;
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

#mobile-menu ul {
  list-style: none;
  padding: 0;
}

#mobile-menu li {
  margin: 20px 0;
  font-size: 1.2em;
}

#mobile-menu.show {
  transform: translateX(0);
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  #navbar-left,
  #navbar-right {
    display: none;
  }
}