/* ===== Mobile Toggle Button (Mobile Only) ===== */
.mobile-sidebar-toggle {
    position: fixed;
    top: 15px;
    right: 15px;
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1.5px solid rgba(0, 212, 255, 0.4);
    border-radius: 8px;
    color: var(--color-accent);
    font-size: 18px;
    cursor: pointer;
    z-index: 1100;
    display: none;
    /* Hide by default (show only on mobile) */
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-sidebar-toggle:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--color-accent);
    transform: scale(1.05);
}

/* ===== Sidebar (Mobile Only) ===== */
.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(280px, 85vw);
    height: 100vh;
    background: rgba(26, 14, 62, 0.98);
    backdrop-filter: blur(24px);
    border-right: 1px solid var(--primary-color);
    display: flex;
    /* Always flex for mobile */
    flex-direction: column;
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}

/* Brand */
.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 24px;
    border-bottom: 1px solid rgba(0, 255, 0, 0.1);
}

.sidebar-brand .brand-logo {
    width: 90px;
    height: 90px;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-text {
    font-family: var(--font-primary);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--secondary-color)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    display: none;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 16px 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-label {
    font-family: var(--font-primary);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 18px 24px 8px;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all 0.25s ease;
    border-left: 3px solid transparent;
}

.menu-item a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    color: var(--color-accent);
    opacity: 0.6;
    transition: opacity 0.25s ease;
}

.menu-item a:hover,
.menu-item.active a {
    color: var(--color-text-primary);
    background: rgba(0, 255, 0, 0.06);
    border-left-color: var(--primary-color);
}

.menu-item a:hover i,
.menu-item.active a i {
    opacity: 1;
}

/* Submenu Styles */
.menu-item.has-submenu .menu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.submenu-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.menu-item.has-submenu.open .submenu-arrow {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.menu-item.has-submenu.open .submenu {
    max-height: 1000px;
}

.submenu li a {
    padding-left: 50px;
    font-size: 13px;
    border-left-width: 2px;
}

.submenu li.submenu-child a {
    padding-left: 65px;
    font-size: 12px;
}

.submenu li a i {
    font-size: 14px;
}

.submenu li.active a {
    color: var(--color-text-primary);
    background: rgba(0, 255, 0, 0.08);
    border-left-color: var(--primary-color);
}

/* Sidebar footer */
.sidebar-footer {
    padding: 18px 24px;
    border-top: 1px solid rgba(0, 255, 0, 0.1);
}

.sidebar-social {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.sidebar-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 14px;
    transition: all 0.3s ease;
}

.sidebar-social a:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--color-accent);
    transform: scale(1.1);
}

/* Mobile overlay */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Show on Mobile Only (< 992px) ===== */
@media (max-width: 991px) {
    .mobile-sidebar-toggle {
        display: flex;
        /* Show toggle button on mobile */
    }

    .app-sidebar.open {
        transform: translateX(0);
    }
}

/* ===== Hide on Desktop (>= 992px) ===== */
@media (min-width: 992px) {
    .mobile-sidebar-toggle {
        display: none !important;
        /* Hide toggle on desktop */
    }

    .app-sidebar,
    .sidebar-overlay {
        display: none !important;
        /* Force hide on desktop */
    }
}