/* navigation.css - Premium Glassmorphism Navigation */
.q-header {
    transition: all 0.3s ease;
    background: transparent;
    box-shadow: none;
    z-index: 1040;
}

.q-header .nav-link, 
.q-header .main {
    color: #ffffff !important;
}

.q-header.scrolled {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .q-header.scrolled {
    background: var(--bs-body-bg, #111111);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.q-header .nav-link {
    font-weight: 500;
    color: var(--bs-heading-color, #333);
    padding: 0.75rem 1rem !important;
    position: relative;
    transition: color 0.3s ease;
}

[data-theme="dark"] .q-header .nav-link {
    color: rgba(255,255,255,0.9);
}

.q-header .nav-link:hover,
.q-header .nav-link.active {
    color: var(--bs-primary);
}

/* Animated Underline */
.q-header .nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background-color: var(--bs-primary);
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-origin: center;
}

.q-header .nav-link:hover::after,
.q-header .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Submenu Indicator Rotation */
.submenu-indicator {
    display: inline-block;
    margin-left: 6px;
    font-size: 0.75rem;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-item.premium-dropdown:hover .submenu-indicator {
    transform: rotate(180deg);
}

/* Hamburger Animation */
.navbar-toggler {
    border: none;
    padding: 0;
}
.navbar-toggler:focus {
    box-shadow: none;
}
.hamburger-box {
    width: 24px;
    height: 24px;
    display: inline-block;
    position: relative;
}
.hamburger-inner {
    display: block;
    top: 50%;
    margin-top: -1px;
}
.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    width: 24px;
    height: 2px;
    background-color: var(--bs-heading-color, #111);
    border-radius: 2px;
    position: absolute;
    transition: transform 0.15s ease, background-color 0.15s ease;
}
[data-theme="dark"] .hamburger-inner, 
[data-theme="dark"] .hamburger-inner::before, 
[data-theme="dark"] .hamburger-inner::after {
    background-color: #fff;
}
.hamburger-inner::before {
    content: "";
    top: -8px;
}
.hamburger-inner::after {
    content: "";
    bottom: -8px;
}
.navbar-toggler[aria-expanded="true"] .hamburger-inner {
    transform: rotate(45deg);
}
.navbar-toggler[aria-expanded="true"] .hamburger-inner::before {
    top: 0;
    opacity: 0;
}
.navbar-toggler[aria-expanded="true"] .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
}

/* Extra Utilites: Progress Bar */
.reading-progress-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 1050;
}
.reading-progress-bar {
    height: 100%;
    background: var(--bs-primary);
    width: 0%;
    transition: width 0.1s ease;
}

/* Mobile Menu Slide-In Offcanvas Spec */
@media (max-width: 991.98px) {
    .mobile-menu-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        z-index: 1050;
        opacity: 0;
        visibility: hidden;
        transition: opacity 240ms ease, visibility 240ms ease;
    }

    #navbarNav.show ~ .mobile-menu-backdrop,
    #navbarNav.collapsing ~ .mobile-menu-backdrop {
        opacity: 1;
        visibility: visible;
    }

    #navbarNav {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        left: auto !important;
        width: 72vw !important;
        max-width: 320px !important;
        min-width: 250px !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: 1055 !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        background: rgba(255, 255, 255, 0.88) !important;
        backdrop-filter: blur(6px) !important;
        -webkit-backdrop-filter: blur(6px) !important;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15) !important;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 240ms ease, visibility 240ms ease !important;
        display: block !important;
    }

    #navbarNav.collapsing,
    #navbarNav.show {
        display: block !important;
        height: 100vh !important;
        height: 100dvh !important;
    }

    #navbarNav.show {
        transform: translateX(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .mobile-menu-panel {
        display: flex;
        flex-direction: column;
        height: 100%;
        max-height: 100vh;
        max-height: 100dvh;
        overflow-y: auto;
        background: transparent !important;
    }

    .mobile-menu-close-btn {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(26, 34, 38, 0.12);
        color: #1a2226 !important;
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        cursor: pointer;
        transition: background 0.2s ease, transform 0.2s ease;
        padding: 0;
    }

    .mobile-menu-close-btn:hover {
        background: rgba(26, 34, 38, 0.22);
        transform: scale(1.05);
    }

    .mobile-menu-body {
        margin-top: auto;
        margin-bottom: auto;
    }

    .mobile-menu-link {
        display: inline-flex;
        align-items: center;
        color: #1a2226 !important;
        text-decoration: none;
        padding: 10px 0;
        font-size: 1.1rem;
        font-weight: 600;
        letter-spacing: 0.2px;
        transition: color 0.2s ease;
        border-bottom: none !important;
    }

    .mobile-menu-link span {
        position: relative;
        display: inline-block;
        padding-bottom: 4px;
    }

    .mobile-menu-link.active span::after,
    .mobile-menu-link:hover span::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: var(--bs-primary, #D85A30);
        border-radius: 1px;
    }

    .mobile-menu-link:hover {
        color: var(--bs-primary, #D85A30) !important;
        background: transparent !important;
        padding-left: 0 !important;
    }

    .mobile-sub-link {
        display: block;
        color: #4a5568 !important;
        text-decoration: none;
        padding: 6px 0 6px 12px;
        font-size: 0.95rem;
        font-weight: 500;
        transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .mobile-sub-link:hover,
    .mobile-sub-link.active {
        color: var(--bs-primary, #D85A30) !important;
        font-weight: 600;
        padding-left: 16px;
    }

    .mobile-dropdown-toggle[aria-expanded="true"] i {
        transform: rotate(180deg);
    }
}