/* Navigation Bar Styles */
header {
    padding: 200px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

nav ul {
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a.active {
    color: var(--primary);
}

nav ul li a {
    color: var(-neutral-dark) !important;
    text-decoration: none;
    transition: var(--transition-speed) ease;
}

.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color) !important;
    box-shadow: 0 4px 20px var(--border-color);
    width: 1320px;
    height: 64px;
    border-radius: 2rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
    padding: .2rem .2rem !important;
}

.navbar a.nav-link {
    color: var(--text-main) !important;
    font-weight: 500 !important;
}


.navbar span {
    color: var(--text-main) !important;
    transition: var(--transition-speed) ease;
}

.navbar-toggler {
    border: none !important;
    position: absolute;
    right: 20px;
    cursor: pointer;
    width: 50px;
}

.navbar-toggler span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: white;
    margin: 9px 0;
    transition: color var(--transition-speed) ease 0s, background-color var(--transition-speed) ease 0s, transform var(--transition-speed) ease 0s, box-shadow var(--transition-speed) ease 0s;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler:hover span {
    background-color: white;
}

.navbar-toggler:not(.collapsed) span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.navbar-toggler:not(.collapsed) span:nth-child(2) {
    transform: translateY(-5px) rotate(-45deg);
}

#carmaLogo {
    filter: var(--filter-light-to-theme);
    transition: var(--transition-speed) ease-in-out;
    animation: spinLogo 2s var(--animation-curve);

}

.red-glow {
    filter: drop-shadow(0 0 2px var(--error));
}


/** Size-specific scaling **/
@media (max-width: 576px) {
    .navbar {
        max-width: calc(100% - 20px) !important;
    }
}
@media (min-width: 576px) {
    .navbar, .card {
        max-width: 540px !important;
    }
}
@media (min-width: 768px) {
    .navbar, .card {
        max-width: 720px !important;
    }
}
@media (min-width: 967px) {
    .navbar, .card {
        max-width: 960px !important;
    }
}


/** Theme switcher **/
.theme-switch {
  display: inline-block;
  height: 34px;
  position: relative;
  width: 65px;
}

.theme-switch input {
  display: none;
}

.slider {
  background-color: var(--border-color); 
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: .4s;
  border-radius: 34px;
  z-index: 1;
}

/* The Ball (Slider) */
.slider:before {
  background-color: #fff;
  bottom: 4px;
  content: "";
  height: 26px;
  left: 4px;
  position: absolute;
  transition: .4s;
  width: 26px;
  border-radius: 50%;
  z-index: 2;
}

.theme-switch i {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  z-index: 1;
  transition: opacity 0.3s ease;
}

.sun-icon {
  left: 10px;
  color: var(--accent);
}

.moon-icon {
  right: 10px;
  color: var(--accent-hover);
}

/* CHECKED STATE (Dark Mode) */
input:checked + .slider {
  background-color: var(--primary-dark);
}

input:checked + .slider:before {
  transform: translateX(31px); /* Slide to the right */
}

input:checked ~ .sun-icon { opacity: 0.5; } 
input:not(:checked) ~ .moon-icon { opacity: 0.5; }