/* 
* mega-menu.css - สไตล์ชีทสำหรับเมนูแบบ Mega Menu 
* เวอร์ชัน: 1.0
*/

:root {
    --primary-color: #00529b; /* สีหลัก */
    --primary-light: #e6f0f9; /* สีหลักอ่อน */
    --secondary-color: #ffb81c; /* สีรอง */
    --border-radius: 4px; /* รัศมีขอบ */
    --text-color: #333; /* สีข้อความ */
    --light-text: #fff; /* สีข้อความสว่าง */
    --dark-text: #333; /* สีข้อความเข้ม */
    --border-color: #e9e9e9; /* สีขอบ */
    --hover-bg: #f5f5f5; /* สีพื้นหลังเมื่อ hover */
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); /* เงา */
    --transition-time: 0.3s; /* เวลาการเปลี่ยนแปลง */
}

/* ====================== Mega Menu Container ====================== */
.mega-menu-container {
    background-color: var(--primary-color);
    color: var(--light-text);
    position: relative;
    z-index: 100;
    width: 100%;
}

.mega-menu-container.sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    animation: slideDown 0.3s ease;
    box-shadow: var(--box-shadow);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.mega-menu-container .container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ====================== Mobile Toggle Button ====================== */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 1rem;
    padding: 12px 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-menu-toggle i {
    font-size: 1.2rem;
}

/* ====================== Main Mega Menu ====================== */
.mega-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    width: 100%;
}

.mega-menu > li {
    position: relative;
}

.mega-menu > li > a {
    display: flex;
    align-items: center;
    padding: 15px 18px;
    color: var(--light-text);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-time) ease;
    border-bottom: 3px solid transparent;
}

.mega-menu > li > a:hover,
.mega-menu > li:hover > a,
.mega-menu > li > a.active {
    background-color: rgba(255, 255, 255, 0.15);
    border-bottom-color: var(--secondary-color);
}

.mega-menu > li > a i.menu-icon {
    font-size: 1.1rem;
    margin-right: 8px;
}

.mega-menu > li > a i.dropdown-icon {
    font-size: 0.8rem;
    margin-left: 6px;
    transition: transform var(--transition-time) ease;
}

.mega-menu > li:hover > a i.dropdown-icon {
    transform: rotate(180deg);
}

/* ====================== Mega Dropdown Content ====================== */
.mega-content {
    position: absolute;
    top: 100%;
    left: 0;
    width: 900px;
    max-width: 100vw;
    background-color: #fff;
    box-shadow: var(--box-shadow);
    display: flex;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-time) ease;
    z-index: 1000;
    padding: 25px;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border-top: 3px solid var(--secondary-color);
}

/* เมนูขนาดเล็กกว่า */
.mega-menu > li.has-small-menu .mega-content {
    width: 600px;
}

/* เมนูขนาดกลาง */
.mega-menu > li.has-medium-menu .mega-content {
    width: 750px;
}

.mega-menu > li.has-mega-menu:hover .mega-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* เมนูที่อยู่ด้านขวาของจอ */
.mega-menu > li.has-mega-menu.align-right .mega-content {
    left: auto;
    right: 0;
}

/* ====================== Mega Menu Columns ====================== */
.mega-col {
    flex: 1;
    padding: 0 15px;
    border-right: 1px solid var(--border-color);
}

.mega-col:last-child {
    border-right: none;
}

.mega-col h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.mega-col h3 i {
    margin-right: 8px;
    font-size: 1.1rem;
    color: var(--secondary-color);
}

/* ====================== Mega Menu Lists ====================== */
.mega-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mega-col ul li {
    margin-bottom: 8px;
}

.mega-col ul li a {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    color: var(--dark-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.mega-col ul li a:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding-left: 15px;
}

.mega-col ul li a i {
    margin-right: 8px;
    font-size: 0.9rem;
    color: var(--primary-color);
    opacity: 0.7;
}

/* ====================== Featured Content in Mega Menu ====================== */
.mega-featured {
    padding: 15px;
    background-color: var(--primary-light);
    border-radius: var(--border-radius);
    margin-top: 15px;
}

.mega-featured-image {
    height: 160px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

.mega-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-time) ease;
}

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

.mega-featured h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark-text);
}

.mega-featured p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
}

.mega-featured-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.mega-featured-link i {
    margin-left: 5px;
    transition: transform 0.2s ease;
}

.mega-featured-link:hover i {
    transform: translateX(3px);
}

/* ====================== Standard Dropdown Menu ====================== */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background-color: #fff;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-time) ease;
    z-index: 1000;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border-top: 3px solid var(--secondary-color);
}

.mega-menu > li.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li {
    position: relative;
}

.dropdown li a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--dark-text);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-time) ease;
}

.dropdown li:last-child a {
    border-bottom: none;
}

.dropdown li a:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding-left: 25px;
}

.dropdown li a i {
    margin-right: 10px;
    font-size: 0.9rem;
    color: var(--primary-color);
}

/* Dropdown ชั้นที่ 2 (ถ้ามี) */
.dropdown .sub-dropdown {
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 200px;
    background-color: #fff;
    box-shadow: var(--box-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-time) ease;
    z-index: 1001;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--secondary-color);
}

.dropdown li:hover .sub-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown li.has-sub-dropdown > a:after {
    content: '\\f054'; /* FontAwesome chevron-right */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-left: auto;
    font-size: 0.8rem;
}

/* ====================== Mega Menu Search ====================== */
.mega-menu-search {
    display: flex;
    align-items: center;
}

.mega-menu-search.left {
    margin-right: 15px;
}

.mega-menu-search.right {
    margin-left: 15px;
}

.mega-menu-search form {
    display: flex;
    position: relative;
}

.mega-menu-search input {
    padding: 8px 15px;
    padding-right: 40px;
    border: none;
    border-radius: 30px;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--light-text);
    transition: all var(--transition-time) ease;
    width: 180px;
}

.mega-menu-search input:focus {
    background-color: rgba(255, 255, 255, 0.25);
    width: 220px;
    outline: none;
}

.mega-menu-search input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.mega-menu-search button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

/* ====================== Mega Menu Animation ====================== */
.animated-mega-menu > li {
    animation: fadeInDown 0.5s both;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ประเภทเมนูพิเศษ */
.mega-menu > li.special > a {
    background-color: var(--secondary-color);
    color: var(--dark-text);
}

.mega-menu > li.special > a:hover {
    background-color: var(--secondary-color);
    opacity: 0.9;
}

/* ====================== Responsive Designs ====================== */
@media (max-width: 1200px) {
    .mega-content {
        width: 800px;
    }
    
    .mega-menu > li > a {
        padding: 15px 15px;
    }
}

@media (max-width: 991px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mega-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-color);
        z-index: 1000;
    }
    
    .mega-menu.active {
        display: flex;
    }
    
    .mega-menu > li {
        width: 100%;
    }
    
    .mega-menu > li > a {
        justify-content: space-between;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mega-content {
        position: static;
        width: 100%;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.1);
        border-top: none;
    }
    
    .mega-col {
        padding: 10px 20px;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mega-col h3 {
        color: var(--light-text);
        border-bottom-color: rgba(255, 255, 255, 0.2);
    }
    
    .mega-col ul li a {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .mega-col ul li a:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: #fff;
    }
    
    .dropdown {
        position: static;
        width: 100%;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: rgba(0, 0, 0, 0.1);
        border-top: none;
    }
    
    .dropdown li a {
        color: rgba(255, 255, 255, 0.8);
        border-bottom-color: rgba(255, 255, 255, 0.1);
        padding-left: 40px;
    }
    
    .dropdown li a:hover {
        background-color: rgba(255, 255, 255, 0.1);
        color: #fff;
    }
    
    .mega-menu > li.active > .mega-content,
    .mega-menu > li.active > .dropdown {
        display: block;
    }
    
    .mega-featured {
        background-color: rgba(255, 255, 255, 0.1);
        margin: 15px;
    }
    
    .mega-featured h4 {
        color: var(--light-text);
    }
    
    .mega-featured p {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .mega-featured-link {
        color: var(--light-text);
    }
    
    .mega-menu-search {
        position: absolute;
        top: 10px;
        right: 70px;
    }
    
    .mega-menu-search.left {
        right: auto;
        left: 70px;
    }
    
    .mega-menu-search input {
        width: 150px;
    }
    
    .mega-menu-search input:focus {
        width: 180px;
    }
}

@media (max-width: 767px) {
    .mega-content {
        padding: 0;
    }

    .mega-col {
        padding: 10px 15px;
    }

    .mega-featured-image {
        height: 120px;
    }
    
    .mega-menu-search {
        display: none;
    }
}

@media (max-width: 576px) {
    .mega-menu > li > a {
        padding: 12px 15px;
    }

    .mega-menu > li > a i.menu-icon {
        font-size: 16px;
    }

    .dropdown li a {
        padding: 10px 15px 10px 35px;
    }
}