/* ============================================================
   Mega Menu - 證交所 style full-width dropdown panels
   ============================================================ */

/* --- Header single-row layout: logo | nav | utility --- */
#header {
    overflow: visible !important;
    height: auto !important;
    flex-direction: column !important;
    padding: 0 !important;
    gap: 0 !important;
}

#header > .header-single-row {
    display: flex;
    align-items: center;
    padding: 8px 24px;
    background: var(--Deepblue-70, #144372);
    max-width: 100%;
    gap: 0;
    position: relative;
}

#header > .header-single-row > .logo {
    flex-shrink: 0;
    margin-right: 16px;
}

#header > .header-single-row > .header-nav-inline {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
    min-width: 0;
}

#header > .header-single-row > .header-nav-inline > nav {
    width: 100%;
}

#header > .header-single-row > .header-nav-inline .navbar > ul {
    justify-content: center;
}

/* --- Header top-right utility area (language, bell, login) --- */
.header-top-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header-utility-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.header-utility-list > li {
    position: relative;
    display: flex;
    align-items: center;
}

.header-utility-list > li > a,
.header-utility-list > li > .nav-link {
    display: flex;
    align-items: center;
    color: #fff !important;
    padding: 5px 10px;
    margin: 0 !important;
}

.header-utility-link {
    color: #fff !important;
    font-size: 14px;
    padding: 5px 10px;
    display: flex;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.header-utility-link:hover {
    opacity: 0.85;
}

.header-utility-list .dropdown-toggle::after {
    display: none;
}

.header-utility-list .dropdown-menu {
    min-width: 160px;
}

/* Override notification injected styles to keep vertical center */
.header-utility-list .notification-icon {
    display: flex;
    align-items: center;
}

.header-utility-list .nav-link.dropdown-toggle {
    margin-left: 0 !important;
    border: none !important;
    padding: 5px 10px !important;
}

#header > .header-single-row .logo img {
    max-height: 50px;
}


/* Override default dropdown behavior for mega-menu items */
.navbar .mega-dropdown {
    position: static !important;
}

/* --- Mega panel: always in DOM, toggle via opacity --- */
.navbar .mega-dropdown > .mega-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 999;
    background: #fff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-top: 3px solid #144372;
    padding: 30px 0 0 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    overflow: hidden;
}

.navbar .mega-dropdown:hover > .mega-panel,
.navbar .mega-dropdown > .mega-panel:hover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Invisible bridge so mouse doesn't lose hover crossing the gap */
.navbar .mega-dropdown > .mega-panel::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    right: 0;
    height: 15px;
}

/* Panel inner container */
.mega-panel-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px 30px;
    overflow: hidden;
}

/* ---- Column sections ---- */
.mega-col {
    flex: 1 1 200px;
    min-width: 180px;
    padding: 18px 20px;
}

.mega-col-img {
    flex: 0 0 280px;
    max-width: 280px;
}

/* Column title */
.mega-col-title {
    font-size: 15px;
    font-weight: 700;
    color: #144372;
    padding-bottom: 10px;
    margin-bottom: 12px;
    border-bottom: 2px solid #144372;
    font-family: 'Noto Sans TC', sans-serif;
}

/* Reset: override .navbar .dropdown ul that hides all nested ul */
.mega-panel ul {
    display: block !important;
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    background: none !important;
    box-shadow: none !important;
    top: auto !important;
    left: auto !important;
}

/* Links inside mega menu */
.mega-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mega-col ul li {
    margin: 0;
}

.mega-col ul li a {
    display: block;
    padding: 7px 0 !important;
    font-size: 15px !important;
    color: #333 !important;
    text-decoration: none;
    font-family: 'Noto Sans TC', sans-serif;
    white-space: normal !important;
    transition: color 0.2s, padding-left 0.2s;
}

.mega-col ul li a:hover,
.mega-col ul li a:active,
.mega-col ul li a:focus {
    color: #0a6b8a !important;
    padding-left: 6px !important;
    outline: none;
}

.mega-col ul li a .menu-note {
    font-size: 12px;
    color: #999;
}

.mega-col ul li a i.bi-lock-fill {
    font-size: 12px;
    color: #c4940a;
    margin-left: 4px;
}

/* ---- Sub-list (nested items) ---- */
.mega-sub-list {
    margin-left: 14px !important;
    padding-left: 10px !important;
    border-left: 2px solid #ccc;
}

.mega-sub-list li a {
    font-size: 13px !important;
    color: #666 !important;
    padding: 5px 0 !important;
}

.mega-sub-list li a:hover {
    color: #1a6e8e !important;
}

/* ---- 登入使用 section (light blue) ---- */
.mega-col-login {
    background: linear-gradient(135deg, #e8f4fa 0%, #f0f8fc 100%);
    border-radius: 10px;
    padding: 18px 20px;
    border: 1px solid #c4dfe9;
}

.mega-col-login .mega-col-title {
    color: #1a6e8e;
    border-bottom-color: #5ab0cd;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mega-col-login .mega-col-title i {
    font-size: 16px;
    color: #2e8eb0;
}

.mega-col-login ul li a {
    color: #444 !important;
}

.mega-col-login ul li a:hover {
    color: #1a6e8e !important;
}

/* ---- 加值功能 section ---- */
.mega-col-premium {
    background: linear-gradient(135deg, #f8f5ee 0%, #faf8f2 100%);
    border-radius: 10px;
    padding: 18px 20px;
    border: 1px solid #e8dfc8;
}

.mega-col-premium .mega-col-title {
    color: #8b6914;
    border-bottom-color: #d4b84d;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mega-col-premium .mega-col-title i {
    font-size: 16px;
    color: #c4940a;
}

.mega-col-premium ul li a {
    color: #555 !important;
}

.mega-col-premium ul li a:hover {
    color: #8b6914 !important;
}

.mega-premium-hint {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px dashed #ddd;
}

.mega-premium-hint a {
    color: #0a6b8a !important;
    font-size: 12px !important;
    padding: 0 !important;
    text-decoration: underline !important;
}

/* ---- Featured image section ---- */
.mega-featured-img {
    width: 100%;
    height: 160px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.mega-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.mega-featured-img:hover img {
    transform: scale(1.05);
}

.mega-featured-img .mega-img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
    color: #fff;
    padding: 20px 14px 10px;
    font-size: 13px;
    font-weight: 600;
    font-family: 'Noto Sans TC', sans-serif;
}

/* ---- Bottom image row (證交所 style) ---- */
.mega-panel-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 25px;
    padding: 20px 0;
    border-top: 1px solid #eee;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 30px;
    padding-right: 30px;
    overflow: hidden;
}

.mega-footer-card {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 14px;
    padding: 12px;
    border-radius: 8px;
    background: #f7fafc;
    text-decoration: none;
    transition: background 0.2s, box-shadow 0.2s;
    overflow: hidden;
}

.mega-footer-card:hover {
    background: #eef5f8;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.mega-footer-card img {
    width: 120px;
    max-width: 30%;
    height: auto;
    aspect-ratio: 160 / 112;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

.mega-footer-card-text {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    color: #144372;
    font-family: 'Noto Sans TC', sans-serif;
    text-align: left;
}

.mega-footer-card-text small {
    display: block;
    font-weight: 400;
    color: #888;
    font-size: 12px;
    margin-top: 2px;
}

/* ============================================================
   Mobile Navigation
   ============================================================ */

/* Hide mega panel on mobile */
@media (max-width: 1199px) {
    .navbar .mega-dropdown > .mega-panel {
        display: none !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    /* Header adjustments */
    #header > .header-single-row {
        padding: 8px 15px;
        flex-wrap: wrap;
        position: relative;
        z-index: 10002;
    }

    #header > .header-single-row .logo {
        z-index: 10003;
    }

    #header > .header-single-row .logo img {
        max-height: 36px;
    }

    /* Disable scroll-shrink on mobile */
    #header.header-scrolled > .header-single-row {
        padding: 8px 15px !important;
    }

    #header.header-scrolled > .header-single-row .logo img {
        max-height: 36px !important;
    }

    #header.header-scrolled {
        height: auto !important;
    }

    #header > .header-single-row > .header-nav-inline {
        display: none !important;
    }

    #header > .header-single-row > .header-nav-inline.mobile-nav-open {
        display: block !important;
        width: 100%;
        order: 10;
    }

    .header-top-right {
        display: none !important;
    }

    .header-utility-list {
        gap: 4px;
    }

    .header-utility-link {
        font-size: 12px;
        padding: 4px 6px;
    }

    /* Mobile hamburger */
    .mobile-nav-toggle {
        display: block !important;
        position: absolute !important;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 10003;
        font-size: 28px;
        color: #fff;
        cursor: pointer;
    }

    .navbar ul {
        display: none !important;
    }

    /* ---- Full-screen mobile overlay ---- */
    .navbar-mobile {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: rgba(0, 0, 0, 0.4) !important;
        z-index: 9999 !important;
        overflow: hidden;
    }

    .navbar-mobile > ul {
        display: flex !important;
        flex-direction: column;
        justify-content: flex-start !important;
        position: fixed !important;
        top: 52px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;
        overflow-y: auto !important;
        max-height: calc(100vh - 52px - 40px) !important;
        padding: 8px 0 16px !important;
        background: rgba(16, 54, 91, 0.97) !important;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3) !important;
        border-bottom-left-radius: 12px;
        border-bottom-right-radius: 12px;
        -webkit-overflow-scrolling: touch;
    }

    .navbar-mobile > ul > li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .navbar-mobile > ul > li > a {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        padding: 14px 24px !important;
        font-size: 16px !important;
        color: #fff !important;
    }

    .navbar-mobile > ul > li > a i.bi-chevron-down {
        font-size: 12px;
        transition: transform 0.3s;
    }

    .navbar-mobile > ul > li > a.mobile-open i.bi-chevron-down {
        transform: rotate(180deg);
    }

    /* ---- Mobile sub-menu (accordion) ---- */
    .mobile-submenu {
        display: none;
        background: var(--Deepblue-70, #144372);
        padding: 0;
    }

    .mobile-submenu.mobile-submenu-open {
        display: block;
    }

    .mobile-submenu-group {
        padding: 12px 24px 8px;
    }

    .mobile-submenu-group-title {
        font-size: 12px;
        font-weight: 700;
        color: rgba(255, 255, 255, 0.5);
        text-transform: uppercase;
        letter-spacing: 1px;
        padding-bottom: 6px;
        margin-bottom: 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        font-family: 'Noto Sans TC', sans-serif;
    }

    .mobile-submenu-group-title i {
        font-size: 11px;
        margin-right: 4px;
    }

    .mobile-submenu-group ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: block !important;
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        background: none !important;
        box-shadow: none !important;
    }

    .mobile-submenu-group ul li a {
        display: block !important;
        padding: 10px 0 10px 8px !important;
        font-size: 14px !important;
        color: rgba(255, 255, 255, 0.85) !important;
        text-decoration: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .mobile-submenu-group ul li:last-child a {
        border-bottom: none;
    }

    .mobile-submenu-group ul li a:hover,
    .mobile-submenu-group ul li a:active {
        color: #fff !important;
        background: rgba(255, 255, 255, 0.05);
        padding-left: 14px !important;
    }

    .mobile-submenu-group ul li a i.bi-lock-fill {
        font-size: 11px;
        color: #c4940a;
        margin-left: 6px;
    }

    /* Mobile sub-list (nested items like 專屬標章 > 專屬下載) */
    .mobile-submenu-group ul .mega-sub-list {
        margin-left: 16px !important;
        padding-left: 10px !important;
        border-left: 2px solid rgba(255, 255, 255, 0.15);
    }

    .mobile-submenu-group ul .mega-sub-list li a {
        font-size: 13px !important;
        color: rgba(255, 255, 255, 0.65) !important;
        padding: 8px 0 8px 6px !important;
    }

    /* Login-themed group */
    .mobile-submenu-group.mobile-group-login {
        background: rgba(90, 176, 205, 0.1);
        border-radius: 8px;
        margin: 4px 12px;
        padding: 10px 16px;
    }

    .mobile-submenu-group.mobile-group-login .mobile-submenu-group-title {
        color: #5ab0cd;
        border-bottom-color: rgba(90, 176, 205, 0.2);
    }

    /* Premium-themed group */
    .mobile-submenu-group.mobile-group-premium {
        background: rgba(196, 148, 10, 0.1);
        border-radius: 8px;
        margin: 4px 12px;
        padding: 10px 16px;
    }

    .mobile-submenu-group.mobile-group-premium .mobile-submenu-group-title {
        color: #d4b84d;
        border-bottom-color: rgba(196, 148, 10, 0.2);
    }

    /* Hide mega-panel footer images on mobile */
    .mega-panel-footer {
        display: none !important;
    }

    /* Hide old dropdown-menu-mobile */
    .dropdown-menu-mobile {
        display: none !important;
    }
}

@media (min-width: 1200px) {
    .mega-dropdown > .dropdown-menu-mobile {
        display: none !important;
    }

    .mobile-submenu {
        display: none !important;
    }

    .mobile-only-nav {
        display: none !important;
    }
}

/* Mobile-only nav items (language, login, member) */
@media (max-width: 1199px) {
    .mobile-nav-divider {
        border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
        margin: 8px 24px !important;
        padding: 0 !important;
        height: 0 !important;
        list-style: none;
    }

    /* Bottom utility row: language + login/logout on same line */
    .mobile-utility-row {
        display: flex !important;
        flex-direction: row !important;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 12px 24px !important;
        border-bottom: none !important;
    }

    .mobile-utility-row a.nav-link {
        display: inline-flex !important;
        align-items: center;
        gap: 4px;
        padding: 8px 16px !important;
        font-size: 14px !important;
        color: #fff !important;
        white-space: nowrap;
        border: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: 20px;
        transition: background 0.2s;
    }

    .mobile-utility-row a.nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .mobile-utility-row form {
        margin: 0;
    }

    .mobile-utility-row form a.nav-link {
        display: inline-flex !important;
        align-items: center;
        gap: 4px;
        padding: 8px 16px !important;
        font-size: 14px !important;
        color: #fff !important;
        white-space: nowrap;
        border: 1px solid rgba(255, 255, 255, 0.25);
        border-radius: 20px;
        transition: background 0.2s;
    }

    .mobile-utility-row form a.nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
    }
}