:root {
    --color-primary: #6f6af8;
    --color-primary-light: hsla(242, 62%, 67%, 0.18);
    --color-primary-variant: #5854c7;
    --color-red: #da0f3f;
    --color-red-light: hsl(346, 87%, 46%, 15%);
    --color-green: #00c476;
    --color-green-light: hsl(156, 100%, 38%, 15%);
    --color-gray-900: #1e1e66;
    --color-gray-700: #2d2b7c;
    --color-gray-300: rgba(242, 242, 254, 0.3);
    --color-gray-200: rgba(242, 242, 254, 0.7);
    --color-white: #f2f2fe;
    --color-bg: #0f0f3e;

    --transition: all 300ms ease;

    --container-width-lg: 74%;
    --container-width-md: 88%;
    --form-width: 40%;

    --card-border-radius-1: 0.3rem;
    --card-border-radius-2: 0.5rem;
    --card-border-radius-3: 0.8rem;
    --card-border-radius-4: 2rem;
    --card-border-radius-5: 5rem;
}

* {
    margin: 0;
    padding: 0;
    outline: 0;
    border: 0;
    appearance: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

body {
    font-family: 'Mochiy Pop One', sans-serif;
    font-family: 'Montserrat', sans-serif;
    font-family: 'Noto Sans Thai Looped', sans-serif;
    line-height: 1.6;
    color: var(--color-gray-200);
    overflow-x: hidden;
    background: var(--color-bg);
    font-size: 0.9rem;
}

.container {
    width: var(--container-width-lg);
    max-width: 1800px;
    margin-inline: auto;
    margin: 0 auto;
}

section {
    margin-top: 3rem;
    width: 100vw;

}

h1,
h2,
h3,
h4,
h5 {
    color: var(--color-white);
    line-height: 1.3;
}

h1 {
    font-size: 3rem;
    margin: 1rem 0;

}

h2 {
    font-size: 1.7rem;
    margin: 1rem 0;
}

h3 {
    font-size: 1.1rem;
    margin: 0.8rem 0 0.5rem;
}

h4 {
    font-size: 1rem;

}

a {
    color: var(--color-white);
    transition: var(--transition);
}

img {
    display: block;
    width: 100%;
    object-fit: cover;
}

/*==========nav==========================================*/
nav {
    background: var(--color-primary);
    width: 100vw;
    height: 4.5rem;
    position: fixed;
    top: 0;
    z-index: 10;
    box-shadow: 0 1rem 1rem rgba(0, 0, 0, 0.2);
}

nav button {
    display: none;
}

.nav_container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 0.3rem solid var(--color-bg);
}

.nav_logo {
    font-weight: 600;
    font-size: 1.2rem;
}

.nav_items {
    display: flex;
    align-items: center;
}

.nav_items a {
    padding: 25px;
    height: 100%;
    width: 100%;
}

.nav_items a:hover {
    background: var(--color-gray-700);
    color: var(--color-white);
}

.nav_profile {
    position: relative;
    cursor: pointer;
}

.nav_profile ul {
    position: absolute;
    top: 140%;
    right: 0;
    flex-direction: column;
    display: flex;
    box-shadow: 0 3rem 3rem rgba(0, 0, 0, 0.4);
    background: var(--color-gray-900);
    visibility: hidden;
    opacity: 0;
    transition: var(--transition);
}

/*==========แสดงผลรูปภาพผู้ใช้=========*/
.nav_profile:hover ul {
    visibility: visible;
    opacity: 1;
}

.nav_profile ul li a {
    padding: 1rem;
    background: var(--color-gray-900);
    display: block;
    width: 100%;
}

.nav_profile ul li:last-child a {
    background: var(--color-red);
    color: var(--color-bg);
}

/*========Nav Drop Drow==========*/
nav ul li ul {
    position: absolute;
    background: var(--color-primary);
    display: none;
    margin-top: 1.6%;

}

nav ul li ul li {
    width: 100%;
    height: 4.5rem;
    display: flex;
    align-items: center;
    box-shadow: -2rem 3rem 7rem rgba(0, 0, 0, 0.7);
    border-top: 1px solid var(--color-bg);
    animation: animateDropdown 3s 0s ease forwards;
    transform-origin: top;
}

nav ul li ul li a {
    padding: 10px;
}

nav ul li:hover ul {
    display: block;
}




/*==========Category Button==========================================*/
.category_button {
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--card-border-radius-2);
    font-weight: 600;
    font-size: 0.8rem;
    text-align: center;
}

.category_button:hover {
    color: var(--color-white);

}

.post_thumbnail {
    border-radius: var(--card-border-radius-4) 0;
    border: 0.5rem solid var(--color-white);
    cursor: pointer;
    overflow: hidden;
    margin-bottom: 1.6rem;
    box-shadow: 8px 8px var(--color-primary-light);
}

.post:hover .post_thumbnail img {
    filter: saturate(1.5);
    transition: filter 500ms ease;
}

.post_author {
    display: flex;
    gap: 1re;
    margin-top: 1.2rem;
}

.post_author-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--card-border-radius-3);
    overflow: hidden;
}

/*==========Featured==========================================*/
.featured {
    margin-top: 8rem;
}

.featured_container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.featured .post_thumbnail {
    height: fit-content;
}

/*==========Post==========================================*/
.posts_container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5rem;
    margin-bottom: 5rem;
}

/*==========Category Button==========================================*/

.category_buttons {
    padding: 4rem 0;
    border-top: 2px solid var(--color-gray-900);
    border-bottom: 2px solid var(--color-gray-900);
}

.category_buttons-container {
    width: fit-content;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

/*==========Footer button==========================================*/
footer {
    background: var(--color-gray-900);
    padding: 5rem 0 0;
    box-shadow: inset 0 1.5rem 1.5rem rgba(0, 0, 0, 0.2);
}

.footer_socials {
    margin-inline: auto;
    width: fit-content;
    margin-bottom: 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.2rem;
}

.footer_socials a {
    background: var(--color-bg);
    border-radius: 50%;
    width: 2.3rem;
    height: 2.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer_socials a:hover {
    background: var(--color-white);
    color: var(--color-bg);
}

.footer_container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);

}

footer h4 {
    color: var(--color-white);
    margin-bottom: 0.6rem;
}

footer ul li {
    padding: 0.4rem 0;
}

footer ul a {
    opacity: 0.75;
}

footer ul a:hover {
    letter-spacing: 0.2rem;
    opacity: 1;
}

.footer_copyright {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 2px solid var(--color-bg);
    margin-top: 4rem;
}

/*==========Search===================*/
.search_bar {
    margin-top: 7rem;
}

.search_bar-container {
    position: relative;
    width: 30rem;
    background: var(--color-gray-900);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    overflow: hidden;
    padding: 0.6rem 1rem;
    border-radius: var(--card-border-radius-2);
    color: var(--color-gray-300);
}

.search_bar-container>div {
    width: 100%;
    display: flex;
    align-items: center;
}

.search_bar input {
    background: transparent;
    margin-left: 0.7rem;
    padding: 0.5rem 0;
    width: 100%;
}

.search_bar input::placeholder {
    color: var(--color-gray-300);
}

/*==========Button===================*/
.btn {
    display: inline-block;
    width: fit-content;
    padding: 0.6rem 1.2rem;
    background: var(--color-primary);
    border-radius: var(--card-border-radius-2);
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-white);
}

.bnt.sm {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}

.btn.danger {
    background: var(--color-red);
}

.btn:hover {
    background: var(--color-white);
    color: var(--color-bg);
}





/*==========Single post===================*/
.singlepost {
    margin: 6rem 0 2rem;
}

.singlepost_container {
    width: var(--form-width);
    background: var(--color-gray-900);
    padding: 1rem 2rem 3rem;
}

.singlepost_thumbnail {
    margin: 1.5rem 0 1rem;

}

.singlepost_container p {
    margin-top: 1rem;
    line-height: 1.7;
}


/*===============Empty Page=============*/
.empty_page {
    text-align: center;
    display: grid;
    place-content: center;
    margin-top: 5rem;
    width: 100%;
    margin-bottom: 2rem;
}

.reject {
    text-align: center;
    place-content: center;
    height: 200vh;
    width: 100%;
}

.empty_page .container_img {
    width: 80%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.container_img_eit {
    width: 50%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/*===============stucture Page=============*/
.stucture_page {
    text-align: center;
    place-content: center;
    margin-top: 5rem;
    height: 165vh;
    width: 100%;
    margin-bottom: 2rem;
}

.stucture_page2 {
    text-align: center;
    place-content: center;
    margin-top: 5rem;
    height: 300vh;
    width: 100%;
}

.stucture_page3 {
    text-align: center;
    place-content: center;
    margin-top: 5rem;
    height: 500vh;
    width: 100%;
}


.stucture_page .left_text {
    width: 90%;
    text-align: left;
    margin: 0 0 0 5%;

}

.stucture_page .left_text p {
    font-size: 16pt;
}

.stucture_page .left_text p:hover {
    text-decoration: underline;
}

.stucture_page img {
    width: 50%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.boss_page {
    text-align: center;
    place-content: center;
    margin: 0rem 0rem 0rem 0rem;
    height: 200vh;
    width: 100%;
}


/*===============Category post=============*/

.category_title {
    height: 15rem;
    margin-top: 4.5rem;
    background: var(--color-gray-900);
    display: grid;
    place-items: center;
}

/*===============Form Sign up=============*/
.form_section {
    display: grid;
    place-items: center;
    height: 100vh;
}

.form_section-container {
    width: var(--form-width);
}

.section_extra-margin {
    margin-top: 7rem;
}

.alert_message {
    padding: 0.8rem 1.4rem;
    margin-bottom: 1rem;
    border-radius: 1rem;
    border-radius: var(--card-border-radius-2);
}

.alert_message.error {
    background: var(--color-red-light);
    color: var(--color-red);
}

.alert_message.success {
    background: var(--color-green-light);
    color: var(--color-green);
}

.container_text {
    margin-top: 1rem;
    font-size: 15pt;
}

.lg p {
    display: grid;
    place-content: center;

}


form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form_control {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.form_control.inline {
    flex-direction: row;
    align-items: center;
}

input,
textarea,
select {
    padding: 0.8rem 1.4rem;
    background: var(--color-gray-900);
    border-radius: var(--card-border-radius-2);
    resize: none;
    color: var(--color-white);
}

.form_section small {
    margin-top: 1rem;
    display: block;

}

.form_section small a {
    color: var(--color-primary);

}

/*==========Dashboard===================*/
.dashboard {
    margin-top: 6rem;
}

.sidebar_toggle {
    display: none;
}

.dashboard_container {
    display: grid;
    grid-template-columns: 14rem auto;
    gap: 1rem;
    background: var(--color-gray-900);
    margin-bottom: 5rem;
}

.dashboard aside a {
    background: var(--color-primary);
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1.6rem;
}

.dashboard aside ul li

/*:not(:last-child)*/
a {
    border-bottom: 1px solid var(--color-gray-900);
}

.dashboard aside a:hover {
    background: var(--color-gray-700);
}

.dashboard aside a.active {
    background: var(--color-gray-900);
}

.dashboard main {
    margin-left: 1.5rem;
}

.dashboard main h2 {
    margin-bottom: 2rem;
    line-height: 1;
}

.dashboard main table {
    width: 100%;
    text-align: left;
}

.dashboard main table th {
    background: var(--color-gray-700);
    padding: 0.8rem;
    color: var(--color-white);
}

.dashboard main table td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.dashboard main table tr:hover td {
    background: var(--color-bg);
    color: var(--color-white);
    cursor: default;
    transition: var(--transition);
}

/*==========Media Queries(Medium Device)===================*/
@media screen and (max-width:1024px) {
    /*=============General================*/

    .container {
        width: var(--container-width-md);
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    h5 {
        font-size: 0.8rem;
    }

    /*==========Nav===============*/
    nav button {
        display: inline-block;
        font-size: 1.5rem;
        background: transparent;
        color: var(--color-white);
        cursor: pointer;
    }

    nav button#close_nav-btn {
        display: none;
    }

    .nav_container {
        position: relative;
    }

    .nav_items {
        position: absolute;
        flex-direction: column;
        top: 100%;
        right: 0;
        width: 12rem;
        align-items: flex-start;
        justify-content: center;
        gap: 0;
        display: none;
    }

    .nav_items li {
        width: 100%;
        height: 4.5rem;
        display: flex;
        align-items: center;
        box-shadow: -2rem 3rem 7rem rgba(0, 0, 0, 0.7);
        background: var(--color-gray-900);
        border-top: 1px solid var(--color-bg);
        animation: animateDropdown 1s 0s ease forwards;
        opacity: 0;
        transform-origin: top;
    }

    .nav_items li:nth-child(2) {
        animation-delay: 200ms;
    }

    .nav_items li:nth-child(3) {
        animation-delay: 400ms;
    }

    .nav_items li:nth-child(4) {
        animation-delay: 600ms;
    }

    .nav_items li:nth-child(5) {
        animation-delay: 800ms;
    }

    .nav_items li:nth-child(6) {
        animation-delay: 1000ms;
    }

    .nav_items li:nth-child(7) {
        animation-delay: 1200ms;
    }

    .nav_items li:nth-child(8) {
        animation-delay: 1400ms;
    }


    .stucture_page .left_text p {
        font-size: 14pt;
    }

    /*===============nav dropdown animation=============*/
    @keyframes animateDropdown {
        0% {
            transform: rotateX(90deg);
        }

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

    .nav_items li a {
        border-radius: 0;
        width: 100%;
        height: 100%;
        background: var(--color-gray-900);
        padding: 0.2rem;
        display: flex;
        align-items: center;
    }

    .nav_items li ul {
        width: 100%;
        height: 106%;
        right: 192px;
    }



    .nav_profile {
        background: var(--color-gray-900);
    }

    .nav_profile ul {
        top: 96%;
        width: 100%;
        right: 0;
        left: 0;
    }

    .nav_profile .avatar {
        margin-left: 2rem;
        border: 0;
    }

    .featured_container {
        gap: 3rem;
    }

    .posts_container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .footer_container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    /*===============Blog=============*/
    .search_bar-container {
        width: 60%;
    }

    /*===============Form=============*/
    .form_section-container {
        padding: 3rem;
    }

    /*===============Dashboard=============*/
    .dashboard_container {
        grid-template-columns: 4.3rem auto;
        padding: 0;
        background: transparent;
    }

    .dashboard aside h5 {
        display: none;
    }

    .dashboard main table thead {
        display: none;
    }

    .dashboard main table tr {
        display: flex;
        flex-direction: column;
    }

    .dashboard main table tr:nth-child(even) {
        background: var(--color-gray-900);
    }

    .dashboard main table tr:hover td {
        background: transparent;
    }
}

/*===============
 Queries(small device)=============*/

@media screen and (max-width:600px) {
    section {
        margin-top: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .featured {
        margin-top: 6rem;
    }

    .featured_container {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .posts_container {
        grid-template-columns: 1fr;
    }

    .category_buttons-container {
        grid-template-columns: 1fr 1fr;
    }

    .footer_container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    /*===============Blog=============*/
    .search_bar-container {
        width: var(--container-width-md);
    }

    /*===============Single post=============*/
    .singlepost_container {
        background: transparent;
        padding: 0;
    }

    /*===============Form=============*/
    .form_section-container {
        padding: 0;
    }

    /*===============Dashboard=============*/

    .dashboard {
        margin-top: 5rem;
    }

    .dashboard_container {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .dashboard main {
        margin: 0;
    }

    .dashboard main h2 {
        margin-top: 1rem;
    }

    .dashboard aside {
        position: fixed;
        box-shadow: 2rem 0 0rem rgba(0, 0, 0, 0.4);
        left: -100%;
        height: 100vh;
        transition: var(--transition);
        background: var(--color-primary);
    }

    .dashboard .sidebar_toggle {
        display: inline-block;
        background: var(--color-primary-variant);
        color: var(--color-white);
        position: fixed;
        right: 0;
        bottom: 4rem;
        z-index: 1;
        width: 2.5rem;
        height: 2.5rem;
        border-radius: 50% 0 0 50%;
        font-size: 1.3rem;
        cursor: pointer;
        box-shadow: -1rem 0 02rem rgba(0, 0, 0, 0.4);
    }

    .stucture_page .left_text p {
        font-size: 10pt;
    }

    .dashboard aside a h5 {
        display: inline-block;
    }

    #hide_sidebar-btn {
        display: none;
    }
}