/* Variables */
:root {
    --font-family: "Kanit", sans-serif;
    --primary-color: #754ffe;
    --primary-color-gradient: linear-gradient(90deg,rgba(85, 79, 254, 1) 0%, rgba(117, 79, 254, 1) 50%, rgba(149, 79, 254, 1) 100%);
    --success-color: #6D8B74;
    --success-color-gradient: linear-gradient(90deg,rgba(77, 139, 116, 1) 0%, rgba(109, 139, 116, 1) 50%, rgba(141, 139, 116, 1) 100%);
    --danger-color: #DC3545;
    --danger-color-gradient: linear-gradient(90deg,rgba(188, 53, 69, 1) 0%, rgba(220, 53, 69, 1) 50%, rgba(252, 53, 69, 1) 100%);
    --text-color: #1e293b;
    --text-dark-color: #fff;
    --text-color-secondary: rgb(100,116,139);
    --body-bg-color: #ECEFF1;
    --bg-color: #fff;
    --footer-bg-color: var(--bg-color);
    --nav-link-active-bg-color: var(--bg-color);
    --nav-link-active-color: var(--primary-color);
    --nav-link-bg-color: var(--bg-color);
    --nav-link-color: var(--text-color);
    --dropdown-menu-shadow: 0 10px 30px 0 rgba(31, 45, 61, .1);
    --dropdown-item-active-bg-color: linear-gradient(90deg,rgba(101, 79, 254, 1) 0%, rgba(117, 79, 254, 1) 50%, rgba(133, 79, 254, 1) 100%);
    --dropdown-item-active-color: #fff;
    --dropdown-item-bg-color: var(--bg-color);
    --dropdown-item-color: var(--text-color);
}
/* HTML tag styles */
html {
    height: 100%
}

body {
    height: 100%;
    color: var(--text-color);
    font-family: var(--font-family);
    background-color: var(--body-bg-color) !important;
}

header {
    position: fixed;
    top: 0;
    z-index: 4;
    width: 100%;
    background-color: var(--bg-color);
    padding-top: 10px;
    padding-bottom: 10px;
}

.header-scrolled header {
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

main {
    margin-top: 76px;
}

footer {
    min-height: 200px;
    padding-bottom: 80px;
    background-color: var(--footer-bg-color) !important;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

/* color */
.text-dark {
    color: var(--text-dark-color) !important;
}

.text-light {
    color: var(--text-color) !important;
}


/* Bootstrap override styless */

.btn-primary {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
}

.btn-outline-primary {
    color: var(--text-dark-color);
    background: var(--primary-color-gradient);
    border: none;
}

    .btn-outline-primary:hover {
        transform: translateY(-5px);
    }

.btn-success {
    color: var(--text-dark-color);
    background: var(--success-color-gradient);
    border: none;
}

    .btn-success:hover {
        transform: translateY(-5px);
    }

.btn-outline-success {
    border-color: var(--success-color);
    color: var(--success-color);
}

    .btn-outline-success:hover {
        border-color: var(--success-color);
        background-color: var(--success-color);
    }

.btn-outline-danger {
    color: var(--text-dark-color);
    background: var(--danger-color-gradient);
    border: none;
}

    .btn-outline-danger:hover {
        transform: translateY(-5px);
    }

.navbar {
    padding: 0;
}

.navbar-nav .nav-item .nav-link {
    padding: 1em;
    color: var(--text-color);
}

    .navbar-nav .nav-item .nav-link:hover {
        color: var(--primary-color);
    }

.navbar-nav .nav-item {
    position: relative;
}

    .navbar-nav .nav-item::after {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        content: '';
        background: var(--primary-color-gradient);
        width: 0%;
        height: 4px;
        margin: 0 auto;
        transition: all .3s;
    }

    .navbar-nav .nav-item:hover::after {
        width: 100%;
    }

.dropdown-menu-end {
    right: 0;
    left: auto;
}

.dropdown-menu {
    display: block;
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    margin-top: 0;
    width: max-content;
    box-shadow: var(--dropdown-menu-shadow);
    border: none;
}

    .dropdown-menu .nav-link,
    .dropdown-menu .dropdown-item {
        padding: 0.5em 1em;
        background-color: var(--dropdown-item-bg-color);
        color: var(--dropdown-item-color);
    }

        .dropdown-menu .nav-link:hover,
        .dropdown-menu .dropdown-item:hover {
            background: var(--dropdown-item-active-bg-color);
            color: var(--dropdown-item-active-color) !important;
        }

    .dropdown-menu.fade-down {
        top: 80%;
        transform-origin: 0% 0%;
    }

    .dropdown-menu.fade-up {
        top: 180%;
    }

.dropdown:hover .dropdown-menu {
    transition: .3s;
    opacity: 1;
    visibility: visible;
    top: 110%;
}

.nav.nav-tabs {
    border-bottom: 1px solid #e8e7ed;
}

    .nav.nav-tabs .nav-item {
        margin: 0 1.5rem;
    }

        .nav.nav-tabs .nav-item .nav-link.active,
        .nav.nav-tabs .nav-item .nav-link:hover {
            background-color: transparent;
            border-bottom: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

        .nav.nav-tabs .nav-item .nav-link {
            border-color: transparent;
            border-bottom: 2px solid transparent;
            border-radius: 0;
            color: #79758f;
            font-weight: 500;
            margin-bottom: -1px;
            padding: 16px 0;
            white-space: nowrap;
        }


/* widgets styles */

.sk-gallery-thumbnail {
    cursor: pointer;
    transition: 0.3s;
}

    .sk-gallery-thumbnail:hover {
        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    }

.sk-gallery-modal {
    position: fixed;
    z-index: 2;
    padding-top: 100px;
    padding-left: 50px;
    padding-right: 50px;
    padding-bottom: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    overflow: auto;
}

.sk-gallery-modal-cTeacherse {
    color: white;
    position: absolute;
    top: 10px;
    right: 45px;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
}

.sk-gallery-modal-caption {
    color: #fff;
    position: absolute;
    top: 15px;
    left: 45px;
    font-size: 35px;
    font-weight: bold;
}

.sk-signin-container {
    width: 900px;
}

.sk-signin-form {
    padding: 40px;
}

.sk-avatar {
    display: block;
    width: 40px;
    height: 40px;
    overflow: hidden;
    border-radius: 50% !important;
}

.sk-cards .list-group-item {
    color: rgb(100,116,139);
}

.sk-cards-grid .card {
    margin-bottom: 25px;
}

.sk-cards .card img {
    max-width: 100%;
    max-height: 100%;
}

.sk-cards .card {
    box-shadow: 0 1px 3px rgb(17 24 39 / 9%);
    border: none;
}

.card.card-hover {
    transition: box-shadow .25s ease;
}

    .card.card-hover:hover {
        box-shadow: 0 1px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05) !important;
    }

.sk-cards .carousel-inner {
    padding: 1em;
}

.sk-cards .carousel-control-prev,
.sk-cards .carousel-control-next {
    background-color: #e1e1e1;
    width: 5vh;
    height: 5vh;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.sk-cards .card-title {
    height: 50px;
    overflow: hidden;
    font-size: 1em;
}

.sk-cards .card-text {
    color: rgb(100,116,139);
}

.sk-form .col-12, .sk-form .col-6 {
    padding-top: 16px !important;
}

.sk-page-title {
    font-size: 2rem;
    padding: 40px 0 40px 0;
}

.sk-page-title-dark {
    font-size: 2rem;
    padding: 40px 0 40px 0;
    color: white;
    background: var(--primary-color-gradient);
}

.hide {
    display: none;
}

.sk-text {
    color: var(--text-color-secondary);
}

.sk-dialog {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
}

.sk-dialog-backdrop {
    position: absolute;
    background-color: #000;
    opacity: 0.5;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.sk-dialog-body {
    position: relative;
    margin: auto;
    top: 50%;
    margin-top: -225px;
    width: 450px;
    height: 450px;
    overflow: auto;
}

.sk-container-full > .container-fluid, .sk-container-full > .container-fluid > .row, .sk-container-full > .container-fluid > .row > * {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
}

.sk-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.sk-section-m {
    margin-top: 80px;
    margin-bottom: 80px;
}

.navbar-brand > img {
    width: auto;
    height: 40px;
}

.scroll-up {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 50px;
    color: #c0c0c0;
    opacity: 0;
    transition: opacity 0.5s;
}

.page-scrolled .scroll-up {
    opacity: 1;
}

.h-center {
    margin-left: auto;
    margin-right: auto;
    display: block
}

.card.sk-no-radius {
    border-radius: 0px;
}

main.sk-layout-blank {
    margin-top: 0;
    height: 100%;
    background-image: url("/img/signin_signup_background.jpeg"); 
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.sk-autocomplete {
    position: relative;
}

.sk-autocomplete-results {
    padding: 0;
    margin: 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    height: 150px;
    overflow: auto;
    position: absolute;
    width: 100%;
    z-index: 99;
    background-color: #fff;
}

.sk-autocomplete-result {
    list-style: none;
    text-align: left;
    padding: 4px 2px;
    cursor: pointer;
}

    .sk-autocomplete-result.is-active,
    .sk-autocomplete-result:hover {
        background-color: #4AAE9B;
        color: white;
    }

@media (max-width: 576px) {
    .col-sm-12 {
        margin-bottom: 10px;
    }

    header {
        padding-bottom: 0;
    }

    .sk-signin-container {
        width: 100%;
    }

    .sk-signin-form {
        padding: 20px;
    }

    main.sk-layout-blank {
        align-items: start !important;
    }
}

@media (max-width: 992px) {
    .sk-page-title-dark {
        padding: 20px 0 20px 0;
    }

    .sk-section {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .sk-section-m {
        margin-top: 20px;
        margin-bottom: 20px;
    }

    main {
        padding-bottom: 20px !important;
    }

    footer {
        padding-bottom: 20px;
    }

        footer .col {
            margin-bottom: 30px;
        }

    .navbar .navbar-brand img {
        width: auto;
        height: 32px;
    }

    .navbar .dropdown-menu {
        width: 100%;
    }
}

[v-cloak] {
    display: none;
}

.course-card {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, .175) !important;
}

.course-card:hover {
    transform: translateY(-3px);
}

.sk-cards-grid h4 {
    font-weight: bolder;
}

.sk-cards-grid h4::before {
    content: "";
    width: 20%;
    height: 1px;
    display: inline-block;
    background: var(--primary-color-gradient);
    margin: 4px 10px;
}

.sk-cards-grid h4::after {
    content: "";
    width: 20%;
    height: 1px;
    display: inline-block;
    background: var(--primary-color-gradient);
    margin: 4px 10px;
}

.event-filter {
    background-color: #fff;
    border-radius: 50px;
    overflow: hidden;
    display: flex;
    padding: 0;
    max-width: max-content;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nav-btn {
    border-radius: 0 !important;
    text-align: center;
    border: none !important; 
    padding: 10px 40px !important;
    color: var(--primary-color);
    background: #fff;
}

.nav-btn:hover {
    background: var(--primary-color-gradient);
    transform: translateY(0px);
}

.nav-btn.active {
    background: var(--primary-color-gradient);
}

.nav-btn:first-child {
    border-top-left-radius: 50px !important;
    border-bottom-left-radius: 50px !important;
}

.nav-btn:last-child {
    border-top-right-radius: 50px !important;
    border-bottom-right-radius: 50px !important;
}

.custom-swiper-button {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.custom-swiper-button:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.swiper-button-prev,
.swiper-button-next {
    top: 45%;
}

@media (max-width: 768px) {
    .swiper-button-prev,
    .swiper-button-next {
        display: none;
    }
}

#messenger-button {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background-color: transparent;
    width: 60px;
    height: 60px;
    z-index: 100;
    text-decoration: none;
}

#messenger-button img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.2s ease;
}

#messenger-button:hover img {
    transform: scale(1.1);
}

.highlight-section {
    background: linear-gradient(145deg, #f0f4f8, #ffffff);
    border: 1px solid #e2e8f0;
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.highlight-section:hover {
    transform: scale(1.01);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.08);
}

.highlight-heading {
    padding: 0.75rem 2rem;
    margin-bottom: 2rem;
    background: #eef2ff;
    border-left: 5px solid #6366f1;
    border-radius: 0.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e293b;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .highlight-section {
        padding: 1.25rem;
    }

    .highlight-heading {
        font-size: 1.1rem;
        padding: 0.5rem 1.25rem;
    }
}