/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--background-nav) 0%, var(--accent-primary) 100%);
    box-shadow: var(--box-shadow-sticky);
    z-index: var(--z-index-nav);
    height: var(--header-height, 70px);
    transition: background var(--transition-long), box-shadow var(--transition-medium);
}
.navbar-brand-text {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-logo-desktop);
    font-weight: var(--font-weight-bold);
    color: var(--text-heading);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin: 0;
    transition: color var(--transition-long);
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--gap-medium);
    transition: transform var(--transition-medium);
}

.navbar-brand:hover {
    transform: scale(1.03);
}

.navbar-brand img {
    height: var(--logo-height, 50px);
    border-radius: var(--border-radius-circle);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.navbar-brand:hover img {
    transform: scale(1.08);
    box-shadow: 0 0 15px var(--highlight-premium-transparent);
}

.navbar-brand h1 {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-logo-desktop);
    font-weight: var(--font-weight-bold);
    color: var(--text-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color var(--transition-long);
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-nav-item-desktop);
    padding: var(--padding-medium) var(--padding-large);
    display: flex;
    align-items: center;
    gap: var(--gap-small);
    border-radius: var(--border-radius-small);
    transition: color var(--transition-short), transform var(--transition-short), background var(--transition-short);
}

.navbar-nav .nav-link:hover {
    color: var(--text-interactive) !important;
    transform: translateY(-1px);
    background: var(--background-hover);
}

.navbar-nav .nav-link.active {
    color: var(--highlight-premium) !important;
    font-weight: var(--font-weight-bold);
    background: var(--highlight-premium-transparent);
    position: relative;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--padding-large);
    width: calc(100% - var(--padding-large) * 2);
    height: 2px;
    background: var(--highlight-jackpot);
    border-radius: var(--border-radius-small);
}

/* Theme Toggle - Smoother Sliding Effect */
.theme-toggle-wrapper {
    margin-left: var(--margin-medium);
    display: flex;
    align-items: center;
}

.theme-toggle-checkbox {
    display: none;
}

.theme-toggle-label {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 64px;
    height: 32px;
    background: var(--background-chip);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: background var(--transition-medium) ease-in-out;
    padding: 0 ;
}

.theme-toggle-slider {
    position: absolute;
    width: 28px;
    height: 28px;
    background: var(--accent-primary);
    border-radius: 50%;
    left: 2px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); /* Smoother easing */
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-slider i {
    font-size: 16px;
    color: var(--text-on-accent);
}

.theme-toggle-slider .fa-sun {
    opacity: 1;
    transition: opacity 0.4s ease-in-out;
}

.theme-toggle-slider .fa-moon {
    opacity: 0;
    position: absolute;
    transition: opacity 0.4s ease-in-out;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-toggle-slider {
    transform: translateX(32px);
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-toggle-slider .fa-sun {
    opacity: 0;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-toggle-slider .fa-moon {
    opacity: 1;
}

.theme-toggle-checkbox:checked + .theme-toggle-label {
    background: var(--highlight-premium-transparent);
}

.theme-toggle-label:hover {
    background: var(--background-hover);
}

.theme-toggle-label:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--highlight-vip);
}

/* Navbar Toggler - Improved for Mobile */
.navbar-toggler {
    border: none;
    padding: var(--padding-small);
    background: var(--background-modal);
    border-radius: var(--border-radius-small);
    transition: all var(--transition-medium);
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--highlight-vip);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255, 255, 255, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
    width: 24px;
    height: 24px;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255, 255, 255, 1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M6 6L24 24M24 6L6 24'/%3E%3C/svg%3E") !important;
}

/* Mobile Menu - Smoother Animation */
.navbar-collapse {
    background: var(--background-nav);
    transition: transform var(--transition-medium), opacity var(--transition-medium);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    position: absolute;
    top: var(--header-height, 70px);
    left: 0;
    width: 100%;
    box-shadow: var(--box-shadow-sticky);
}

.navbar-collapse.show {
    transform: scaleY(1);
    opacity: 1;
}

.navbar-nav {
    padding: var(--padding-medium);
}

.navbar-nav .nav-item {
    margin: var(--margin-small) 0;
}

.navbar-nav .nav-link {
    padding: var(--padding-medium) var(--padding-large);
    font-size: var(--font-size-nav-item-mobile);
    border-radius: var(--border-radius-medium);
}

.navbar-nav .nav-link i {
    width: var(--icon-size-nav-item-mobile);
    text-align: center;
}

/* Media Queries - Optimized for Responsiveness */
@media (min-width: 992px) {
    .navbar-collapse {
        background: none;
        position: static;
        transform: none;
        opacity: 1;
        box-shadow: none;
    }

    .navbar-nav .nav-link {
        font-size: var(--font-size-nav-item-desktop);
    }
        .navbar-brand-text {
        font-size: var(--font-size-logo-desktop);
    }

    .navbar-brand span {
        font-size: var(--font-size-logo-desktop);
    }

    .navbar-brand img {
        height: var(--logo-height, 50px);
    }
}