/* ===== NAVBAR FIXED BACKGROUND ===== */
.navbar {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: linear-gradient(135deg, #1e3c72 0%, #6c757d 50%, #d4af37 100%) !important;
    backdrop-filter: none !important;
    transition: none !important;
    box-shadow: 0 2px 15px rgba(30, 60, 114, 0.3);
}

/* ป้องกันการเปลี่ยนแปลงสีพื้นหลังจาก JavaScript */
.navbar.scrolled,
.navbar.navbar-scrolled,
.navbar.bg-transparent,
.navbar.transparent {
    background: linear-gradient(135deg, #1e3c72 0%, #6c757d 50%, #d4af37 100%) !important;
    backdrop-filter: none !important;
}

.navbar.bg-secondary1 {
    background: linear-gradient(135deg, #1e3c72 0%, #6c757d 50%, #d4af37 100%) !important;
}

/* ===== NAVBAR OPTIMIZATION ===== */
.navbar {
    position: relative;
    overflow: visible;
}

.navbar .container {
    max-width: 100%;
    padding: 0 15px;
    overflow: visible;
}

.navbar-nav {
    flex-direction: row;
    flex-wrap: nowrap;
}

.navbar-nav .nav-item {
    margin: 0 5px;
    position: static;
}

.navbar-nav .nav-link {
    font-size: 14px;
    padding: 10px 15px;
    white-space: nowrap;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

/* เอฟเฟกต์ hover แสดงขีดใต้ */
.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #d4af37, #ffd700);
    transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::before {
    width: 100%;
}

.logoinmenu img {
    max-width: 120px;
    height: auto;
}

.navbar-nav a img {
    width: 40px;
    height: 40px;
}

/* ===== DROPDOWN SYSTEM ===== */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% - 2px);
    /* ลดช่องว่างระหว่าง menu กับ dropdown */
    left: 0;
    z-index: 9999;
    min-width: 300px;
    background-color: #fff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(-15px);
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    /* ลดเวลา transition */
    padding: 8px 0;
    border-top: 3px solid #1e3c72;
    pointer-events: none;
}

/* เพิ่มพื้นที่ invisible bridge เพื่อป้องกันการหาย */
.dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 5px;
    /* สร้างพื้นที่เชื่อมต่อ */
    background: transparent;
    z-index: 9998;
}

.dropdown-item {
    font-size: 14px;
    line-height: 1.4;
    padding: 12px 20px;
    white-space: nowrap;
    color: #333;
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #1e3c72;
    border-left-color: #d4af37;
    transform: translateX(5px);
    padding-left: 25px;
}

/* ไอคอนลูกศรสำหรับ dropdown */
.dropdown-toggle::after {
    margin-left: 0.5em;
    vertical-align: 0.2em;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-toggle {
    position: relative;
}

.dropdown-toggle:focus {
    box-shadow: none;
    outline: none;
}

/* Hover dropdown functionality for desktop */
.nav-item.dropdown {
    transition: all 0.1s ease;
}

/* ใช้ :hover แทน JavaScript hover events */
.nav-item.dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
    display: block !important;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
    animation: fadeInDown 0.15s ease-out;
}

/* เพิ่ม CSS เพื่อให้ dropdown ไม่หายเมื่อเลื่อนเมาส์ */
.nav-item.dropdown:hover .dropdown-menu {
    display: block !important;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
}

.dropdown-menu:hover {
    display: block !important;
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
}

.dropdown-menu {
    max-width: 400px;
    word-wrap: break-word;
    left: auto;
    right: auto;
}

.dropdown:last-child .dropdown-menu,
.nav-item:last-child .dropdown-menu {
    left: auto;
    right: 0;
}





/* Animation สำหรับ dropdown */
@keyframes fadeInDown {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown:hover {
    z-index: 10000;
}

/* เพิ่ม CSS เพื่อให้ hover area ใหญ่ขึ้น */
.nav-item.dropdown {
    position: relative;
}

.nav-item.dropdown .nav-link {
    position: relative;
    z-index: 1;
}

/* ป้องกันการหาย - สร้าง hover area ที่ใหญ่ขึ้น */
.nav-item.dropdown::after {
    content: '';
    position: absolute;
    top: 0;
    left: -10px;
    right: -10px;
    bottom: -5px;
    background: transparent;
    z-index: 0;
}

/* ===== เอฟเฟกต์เพิ่มเติมสำหรับ navbar ===== */
.navbar-brand:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* เอฟเฟกต์ shimmering */
.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
    z-index: -1;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}


#navbarResponsive {
    display: none;
    /* ซ่อนเมนูเริ่มต้น */
}

#navbarResponsive.show {
    display: block;
    /* แสดงเมนูเมื่อเพิ่มคลาส show */
}



/* Mobile dropdown - ใช้ click แทน hover */
@media (max-width: 768px) {
    .nav-item.dropdown:hover .dropdown-menu {
        display: none !important;
    }

    .nav-item.dropdown .dropdown-menu.show {
        display: block !important;
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
        pointer-events: auto;
        position: static;
        box-shadow: none;
        background-color: #f8f9fa;
        border-radius: 0;
        margin-top: 0;
    }
}