/* Modern Fullscreen Navigation Styles */
:root {
    --primary-blue: #1e3799;
    --secondary-blue: #0984e3;
    --primary-orange: #ff6b6b;
    --secondary-orange: #ff8585;
    --hover-orange: #ff4757;
    --text-light: #ffffff;
    --text-gray: #b8b8b8;
    --bg-dark: rgba(16, 18, 27, 0.95);
    --bg-darker: rgba(13, 15, 20, 0.97);
    --transition-speed: 0.3s;
}

/* Main Navigation Container */
#slidebar-navigation {
    position: relative;
    width: 100%;
    min-height: 50px;
    z-index: 999999;
}

/* Toggle Button Container */
.toggle-container {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 999999;
}

/* Modern Toggle Button */
#slidebar-toggle {
    display: flex;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--primary-orange);
    border-radius: 50%;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-speed);
    padding: 8px;
}

#slidebar-toggle:hover {
    background: var(--primary-orange);
}

#slidebar-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--primary-orange);
    margin: 2px 0;
    transition: transform var(--transition-speed),
                opacity var(--transition-speed),
                background-color var(--transition-speed);
}

#slidebar-toggle:hover span {
    background: var(--text-light);
}

#slidebar-navigation.open #slidebar-toggle {
    background: var(--primary-orange);
}

#slidebar-navigation.open #slidebar-toggle span {
    background: var(--text-light);
}

#slidebar-navigation.open #slidebar-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

#slidebar-navigation.open #slidebar-toggle span:nth-child(2) {
    opacity: 0;
}

#slidebar-navigation.open #slidebar-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Fullscreen Navigation Panel */
#slidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-darker);
    visibility: hidden;
    opacity: 0;
    transition: all var(--transition-speed) ease;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999998;
}

#slidebar-navigation.open #slidebar-nav {
    visibility: visible;
    opacity: 1;
}

/* Menu Container */
.slidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.slidebar-menu li {
    margin: 15px 0;
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-speed) ease;
}

#slidebar-navigation.open .slidebar-menu li {
    transform: translateY(0);
    opacity: 1;
}

/* Apply transition delay to menu items */
.slidebar-menu li:nth-child(1) { transition-delay: 0.1s; }
.slidebar-menu li:nth-child(2) { transition-delay: 0.2s; }
.slidebar-menu li:nth-child(3) { transition-delay: 0.3s; }
.slidebar-menu li:nth-child(4) { transition-delay: 0.4s; }
.slidebar-menu li:nth-child(5) { transition-delay: 0.5s; }

/* Menu Links */
.slidebar-menu a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 24px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all var(--transition-speed);
    position: relative;
    border-radius: 8px;
}

.slidebar-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: all var(--transition-speed);
    transform: translateX(-50%);
}

.slidebar-menu a:hover {
    color: var(--primary-orange);
}

.slidebar-menu a:hover::before {
    width: 80%;
}

/* Icons */
.slidebar-menu a i {
    margin-right: 12px;
    font-size: 20px;
    color: var(--primary-orange);
    transition: transform var(--transition-speed);
}

.slidebar-menu a:hover i {
    transform: translateY(-2px);
}

/* Submenu Styles */
.slidebar-menu .sub-menu {
    list-style: none;
    padding: 0;
    margin: 5px 0;
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-speed) ease;
    opacity: 0;
}

.slidebar-menu .has-children > a::after {
    content: '›';
    margin-left: 8px;
    transform: rotate(90deg);
    transition: transform var(--transition-speed);
    font-size: 24px;
    color: var(--primary-orange);
}

.slidebar-menu .has-children.open > a::after {
    transform: rotate(-90deg);
}

.slidebar-menu .has-children.open > .sub-menu {
    max-height: 1000px;
    opacity: 1;
}

.slidebar-menu .sub-menu a {
    font-size: 18px;
    color: var(--text-gray);
    padding: 8px 20px;
}

/* Active State */
.slidebar-menu .active > a {
    color: var(--primary-orange);
}

.slidebar-menu .active > a::before {
    width: 80%;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .slidebar-menu a {
        font-size: 20px;
    }

    .slidebar-menu .sub-menu a {
        font-size: 16px;
    }
}

/* Animation for menu items */
@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}