:root {
    --header-height: 3.5rem;
    --blue: #0f87f0;
    --black: #171c26;
    --black-100: #1d232f;
    --black-200: #232a39;
    --white: #ffffff;
    --gray: #f0f5ff;
    --gray-100: #e9ebf7;
    --body-font: "Taviraj", serif;
    --font-4xl: 25px;
    --font-2xl: 20px;
    --font-l: 18px;
    --font-m: 16px;
    --font-s: 14px;
    --font-regular: 400;
    --font-medium: 500;
    --font-bold: 600;
    --z-fixed: 100;
}

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body,
input,
button {
    font-family: var(--body-font);
    font-size: var(--font-m);
}

body {
    background-color: var(--white);
    color: var(--black);
}

input,
button {
    border: none;
    outline: none;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1120px;
    margin-inline: 1.5rem;
}

.grid {
    display: grid;
    gap: 1rem;
}

.login {
    position: relative;
    height: 100vh;
    align-items: center;
    overflow: hidden;
}

.login-blob {
    display: none;
}

.login-title {
    font-size: var(--font-4xl);
    color: var(--black);
    text-align: center;
    margin-bottom: 2rem;
}

.login-box {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--white);
    border-radius: 1rem;
}

.login-input {
    background: none;
    width: 100%;
    padding: 1.5rem 2.5rem 1.5rem 1.25rem;
    font-weight: var(--font-regular);
    font-size: var(--font-s);
    border: 3px solid var(--gray);
    border-radius: 1rem;
    z-index: 1;
    transition: border-color .4s;
}

.login-label {
    position: absolute;
    left: 1.25rem;
    font-weight: var(--font-bold);
    transition: transform .4s, font-size .4s, color .4s;
}

.login-icon {
    position: absolute;
    right: 1rem;
    font-size: 1.25rem;
    transition: color .4s;
}

.login-button {
    width: 100%;
    display: inline-flex;
    justify-content: center;
    background-color: var(--blue);
    color: var(--white);
    font-weight: var(--font-bold);
    font-size: var(--font-2xl);
    padding-block: 1.5rem;
    border-radius: 4rem;
    margin-block: 2rem;
    cursor: pointer;
    transition: background-color .4s, box-shadow .4s;
}

.login-button:hover {
    opacity: .7;
}

.login-access {
    position: absolute;
    left: 0;
    right: 0;
    width: 100%;
    transition: transform .4s, opacity .4s .1s;
}

.login-input:focus ~ .login-label {
    transform: translateY(-12px);
    font-size: var(--font-s);
}

.login-input:focus {
    padding-block: 2rem 1rem;
}

.login-input:not(:placeholder-shown).login-input:not(:focus) ~ .login-label {
    transform: translateY(-12px);
    font-size: var(--font-s);
}

.login-input:not(:placeholder-shown).login-input:not(:focus) {
    padding-block: 2rem 1rem;
}

.login-input:focus {
    border-color: var(--blue);
}

.login-input:focus ~ .login-label,
.login-input:focus ~ .login-icon {
    color: var(--blue);
}

@media screen and (max-width: 320px) {
    .container {
        margin-inline: 1rem;
    }
}

@media screen and (min-width: 540px) {
    .login-area {
        width: 380px;
        margin-inline: auto;
    }
}

@media screen and (min-width: 350px) and (max-height: 600px) {
    .login {
        height: 760px;
    }
}

@media screen and (min-width: 1150px) {
    .container {
        margin-inline: auto;
    }

    .login-area {
        width: 460px;
        margin: initial;
    }

    .login-access {
        width: 600px;
    }

    .login-title {
        text-align: initial;
        margin-bottom: 3rem;
    }

    .login-button {
        margin-bottom: 3rem;
    }

    .login-blob {
        display: block;
        height: 100vh;
        position: absolute;
        top: 0;
        right: 0;
    }
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--black);
    z-index: var(--z-fixed);
}

.nav {
    height: var(--header-height);
}

.nav-logo, 
.nav-burger, 
.nav-close {
    color: var(--white);
}

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

.nav-logo {
    display: inline-flex;
    align-items: center;
    column-gap: .25rem;
    font-weight: var(--font-bold);
    font-size: var(--font-2xl);
}

.nav-toggle {
    position: relative;
    width: 32px;
    height: 32px;
}

.nav-burger, 
.nav-close {
    position: absolute;
    width: max-content;
    height: max-content;
    inset: 0;
    margin: auto;
    font-size: 1.25rem;
    cursor: pointer;
    transition: opacity .1s, transform .4s;
}

.nav-close {
    opacity: 0;
}

@media screen and (max-width: 1118px) {
    .nav-menu {
        position: absolute;
        left: 0;
        top: 2.5rem;
        width: 100%;
        height: calc(100vh - 3.5rem);
        overflow: auto;
        pointer-events: none;
        opacity: 0;
        transition: top .4s, opacity .3s;
    }

    .nav-menu::-webkit-scrollbar {
        width: 0;
    }

    .nav-list {
        background-color: var(--black);
        padding-top: 1rem;
    }
}

.nav-link {
    color: var(--white);
    background-color: var(--black);
    font-weight: var(--font-bold);
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color .3s;
}

.nav-link:hover {
    background-color: var(--black-100);
}

.show-menu {
    opacity: 1;
    top: 3.5rem;
    pointer-events: initial;
}

.show-icon .nav-burger {
    opacity: 0;
    transform: rotate(90deg);
}

.show-icon .nav-close {
    opacity: 1;
    transform: rotate(90deg);
}

.dropdown-item {
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 1.25rem;
    font-weight: initial;
    transition: transform .4s;
}

.dropdown-link {
    padding: 1.25rem 1.25rem 1.25rem 2.5rem;
    color: var(--white);
    background-color: var(--black-100);
    display: flex;
    align-items: center;
    column-gap: .5rem;
    font-weight: var(--font-bold);
    transition: background-color .3s;
}

.dropdown-link:hover {
    background-color: var(--black);
}

.dropdown-item:hover .dropdown-menu, 
.dropdown-subitem:hover > .dropdown-submenu {
    max-height: 1000px;
    transition: max-height .4s ease-in;
}

.dropdown-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

@media screen and (max-width: 340px) {
    .container {
        margin-inline: 1rem;
    }

    .nav-link {
        padding-inline: 1rem;
    }
}

@media screen and (min-width: 1118px) {
    .container {
        margin-inline: auto;
    }

    .nav {
        height: calc(var(--header-height) + 2rem);
        display: flex;
        justify-content: space-between;
    }

    .nav-toggle {
        display: none;
    }

    .nav-list {
        height: 100%;
        display: flex;
        column-gap: 3rem;
    }

    .nav-link {
        height: 100%;
        padding: 0;
        justify-content: initial;
        column-gap: .25rem;
    }

    .nav-link:hover {
        background-color: transparent;
    }

    .dropdown-item {
        position: relative;
    }

    .dropdown-menu {
        max-height: initial;
        overflow: initial;
        position: absolute;
        left: 0;
        top: 6rem;
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s, top .3s;
        width: 200px;
    }

    .dropdown-link {
        padding-inline: 1rem 3.5rem;
    }

    .dropdown-item:hover .dropdown-menu {
        opacity: 1;
        top: 5.5rem;
        pointer-events: initial;
        transition: top .3s;
    }
}

.main {
    display: block;
    margin-top: calc(var(--header-height) + 3rem);
    margin-bottom: 1rem;
}

.card {
    border-radius: 1rem;
    background-color: var(--gray);    
}

.card-body {
    overflow-x: auto;
}

.card-form {
    padding: 20px;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--white);
}

.card-footer {
    border-top: 1px solid var(--white);
}

.card-footer::after {
    display: block;
    content: '';
    clear: both;
}

.pagination {
    float: right;
}

.pagination li {
    float: left;
    padding: 10px;
    font-size: var(--font-s);
}

.pagination li.current a,
.pagination li:hover a {
    font-weight: var(--font-bold);
    color: var(--blue);
}

table {
    border-collapse: collapse;
    width: 100%;
    border-spacing: 0;
    font-size: var(--font-s);
}

table tr {
    line-height: 50px;
}

table tr:not(:last-child) {
    border-bottom: 1px solid var(--gray-100);
}

table .td-chk {
    width: 50px;
    text-align: center;
}

table .td-name {
    width: 50%;
    font-weight: var(--font-bold);
}

table .td-name a:hover {
    color: var(--blue);
}

table .td-center {
    text-align: center;
}

table img {
    width: 35px;
    height: 35px;
    border-radius: 5px;
    vertical-align: middle;
}

.card input[type=text],
.card input[type=file],
.card textarea {
    background-color: var(--white);
    width: 100%;
    padding: 1rem 2rem 1rem 1rem;
    font-weight: var(--font-regular);
    font-size: var(--font-s);
    border: 3px solid var(--gray-100);
    border-radius: 1rem;
    z-index: 1;
    transition: border-color .4s;
    margin-bottom: 20px;
}

.card input[type=text]:focus {
    border-color: var(--blue);
}

.card .primary-button {
    width: 100px;
    display: inline-flex;
    justify-content: center;
    background-color: var(--blue);
    color: var(--white);
    font-weight: var(--font-bold);
    padding-block: 0.5rem;
    border-radius: 1rem;
    margin-block: 1rem;
    cursor: pointer;
    transition: background-color .4s, box-shadow .4s;
}

.card label {
    font-size: var(--font-s);
    font-weight: var(--font-bold);
}

.card .submit-link {
    padding: 20px;
}

.submit-link i {
    font-size: var(--font-s);
    vertical-align: middle;
    margin-right: 5px;
}

.submit-link input[type=submit] {
    background-color: var(--gray);
    cursor: pointer;
    font-weight: var(--font-bold);
}

.submit-link input[type=submit]:hover,
.submit-link a:hover {
    color: var(--blue);
}

.submit-link a {
    margin-left: 20px;
    font-weight: var(--font-bold);
}