/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 60px;
    /* Collapsed width */
    height: 100vh;
    background: linear-gradient(to bottom, #00ae98 0%, #a3fafe 25%);
    background-attachment: fixed;
    overflow: hidden;
    transition: width 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

/* Expand on Hover (Desktop) */
@media (min-width: 769px) {
    .sidebar:hover {
        width: 250px;
    }
}

.sidebar.active {
    width: 250px;
}

/* Hamburger Icon (Top) */
.hamburger-icon {
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 0;
    flex-shrink: 0;
}

/* Centered Arrow Indicator */
.toggle-btn-center {
    position: absolute;
    top: 50%;
    left: 0;
    width: 60px;
    transform: translateY(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.arrow-indicator {
    color: rgb(0, 148, 182);
    /* User selected color */
    font-size: 30px;
    font-weight: bold;
    transition: transform 0.3s ease;
}

/* Hide arrow when expanded */
@media (min-width: 769px) {
    .sidebar:hover .toggle-btn-center {
        opacity: 0;
    }
}

.sidebar.active .toggle-btn-center {
    opacity: 0;
}

/* Menu Items */
.menu-items {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 250px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Show menu items on hover (desktop) or active (mobile) */
@media (min-width: 769px) {
    .sidebar:hover .menu-items {
        opacity: 1;
        visibility: visible;
        transition-delay: 0.1s;
    }
}

.sidebar.active .menu-items {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.1s;
}

.menu-items li {
    width: 80%;
    text-align: left;
    padding: 10px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
}

.menu-items li a {
    color: #17445c;
    text-decoration: none;
    display: block;
    width: 100%;
}

.menu-items li:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        /* Kept collapsed initially */
    }

    /* When active on mobile, it expands */
    .sidebar.active {
        width: 250px;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
        /* Stronger shadow on mobile */
    }

    .arrow-indicator {
        font-size: 24px;
        /* Slightly smaller on mobile */
    }
}