:root {
    --color-gray-000: #fff;
    --color-gray-100: #eee;
    --color-gray-200: #ddd;
    --color-gray-300: #aaa;
    --color-gray-400: #999;
    --color-gray-500: #777;
    --color-gray-600: #555;
    --color-gray-700: #333;
    --color-gray-800: #222;
    --color-gray-900: #111;
    --color-gray-999: #000;

    --color-primary-000: #fff;
    --color-primary-100: #eaf0f9;
    --color-primary-200: #ccd;
    --color-primary-300: #bdc9db;
    --color-primary-400: #bbc;
    --color-primary-500: #647081;
    --color-primary-600: #344050;
    --color-primary-700: #2e3a49;
    --color-primary-800: #162231;
    --color-primary-900: #0b1727;
    --color-primary-999: #000;

    --text-color: #333;
    --text-disabled: #999;
    --text-emphasis: #000;
    --text-primary: #333;
    --text-secondary: #444;
    --text-tertiary: #555;

    --border-color: #ddd;

    --background-color: #fff;
    --background-hover: #e0e0e0;
    --background-primary: #fff;
    --background-secondary: #f1f2f3;
    --background-tertiary: #e8e8e8;

    --bs-secondary-color: #555;

    --sidebar-size: 4rem;
    --icon-button-size: 4rem;
}

@media screen {

    ::-webkit-scrollbar {
        background-color: rgba(90, 90, 100, 0.5);
        width: 0.6rem;
        height: 0.6rem;
        background-clip: padding-box;
        background-color: transparent;
    }

    ::-webkit-scrollbar-button {
        width: 1px;
        height: 1px;
    }

    ::-webkit-scrollbar-thumb {
        background-color: rgba(90, 90, 100, 0.3);
        border-radius: 1px;
    }

    html {
        font-size: 14px;
    }

    a {
        text-decoration: none;
    }

    .gwfont {
        font-size: 1rem;
    }

    .offcanvas {
        background-color: var(--background-secondary);
    }

    .app-body {
        background-color: var(--background-primary);
        color: var(--text-primary);
        overflow: hidden;
    }

    .app-body .app-root {
        position: relative;
        padding-left: var(--sidebar-size);
        color: var(--text-color);
    }
}

/** table.css */
@media screen {
    .table {
        color: var(--text-primary);
        border-color: var(--border-color);
        width: 100%;
    }

    .table>:not(:first-child) {
        border-color: var(--border-color);
    }

    .table th {
        white-space: nowrap !important;
        padding: 0.4rem 0.4rem;
    }

    .table td {
        padding: 0.4rem 0.4rem;
    }
}

/** form.css */
@media screen {
    .btn {
        color: var(--text-emphasis)
    }

    .btn-close {
        color: var(--text-emphasis);
    }

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

    .btn-outline-secondary {
        border-color: var(--background-tertiary);
    }

    .btn:hover {
        color: var(--text-emphasis)
    }

    .icon-button {
        min-width: var(--icon-button-size);
        min-height: 3.2rem;
        text-align: center;
        text-decoration: none;
        color: var(--text-secondary);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .icon-button.active {
        color: var(--text-emphasis);
    }

    .icon-button .gwfont {
        font-size: 140%;
        line-height: var(--icon-button-size);
    }

    .icon-button:hover {
        color: var(--color-gray-900);
        cursor: pointer;
    }

    .form-control {
        background-color: var(--background-color);
        border-color: var(--background-secondary);
        color: var(--text-primary);
    }

    .form-select {
        background-color: var(--background-color);
        border-color: var(--background-secondary);
        color: var(--text-primary);
    }

    .form-pre {
        white-space: pre-wrap;
        overflow: auto;
        word-break: break-all;
        word-wrap: break-word;
    }

    .form-control:focus {
        background-color: var(--background-color);
        color: var(--text-emphasis);
    }

    .dropdown-menu {
        background-color: var(--background-tertiary);
        color: var(--text-color);
    }

    .dropdown-item {
        color: var(--text-color);
        cursor: pointer;
    }

    .dropdown-item .gwfont {
        font-size: 1.3rem;
        padding-right: 0.4rem;
    }

    .dropdown-item span {
        vertical-align: middle;
    }

    .dropdown-item:hover {
        background-color: var(--background-hover);
        color: var(--text-emphasis);
    }
}

@media screen {
    .modal .modal-content {
        background-color: var(--background-color);
        border-color: var(--border-color);
    }

    .modal .modal-header {
        border: unset;
    }

    .modal .modal-footer {
        border-color: var(--background-color);
    }

    .modal .modal-footer .btn {
        padding: .375rem 1.6rem;
    }
}

/** app-sidebar.css */
@media screen {
    .app-sidebar {
        background-color: var(--background-secondary);
        width: var(--sidebar-size);
        height: 100vh;
        position: absolute;
        left: 0;
        top: 0;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
    }

    .app-sidebar .icon-button {
        min-width: unset;
        margin: 0.4rem 0.4rem;
    }

    .app-sidebar .icon-button:hover {
        border-radius: 5px;
        background-color: var(--background-color);
    }

    .app-sidebar .icon-button .gwfont {
        font-size: 1.5rem;
        line-height: 3.2rem;
    }

    .app-sidebar .icon-home {
        color: #9966ff !important;
        margin: 0;
    }

    .app-sidebar .icon-home .gwfont {
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 5rem;
    }
}

/** left-navbar.css */
@media screen {

    .left-navbar {
        background-color: var(--background-secondary);
        overflow: auto;
        height: 100vh;
        padding: 1rem;
    }

    .left-navbar .navbar-title {
        line-height: 3rem;
        padding: 0 1rem;
        font-size: 1.2rem;
        color: var(--text-tertiary);
    }

    .left-navbar .navbar-empty {
        color: var(--text-disabled);
    }

    .left-navbar ul {
        padding: 0;
    }

    .left-navbar ul li {
        border-radius: 0.5rem;
        color: var(--text-secondary);
        cursor: pointer;
        display: flex;
        font-size: 1rem;
        justify-content: space-between;
        line-height: 1.3rem;
        list-style: none;
        margin-bottom: 1px;
        padding: 0.6rem 0.6rem;
        vertical-align: middle;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .left-navbar ul li:hover {
        color: var(--text-emphasis);
    }

    .left-navbar ul li.active {
        background-color: var(--background-hover);
        color: var(--text-emphasis);
    }

    .left-navbar ul li.disabled {
        color: var(--text-disabled);
    }

    .left-navbar ul li.offline {
        color: var(--text-disabled);
    }

    .left-navbar ul li.alarm {
        color: var(--bs-warning);
    }

    .left-navbar ul li .icon {
        font-size: 1.2rem;
        margin: 0px 0.4rem;
        vertical-align: middle;
    }

    .left-navbar ul li .label {
        vertical-align: middle;
    }

    .left-navbar ul li.navbar-item-lg {
        display: flex;
        justify-content: space-between;
        line-height: 1.2rem;
        padding: 0.5rem 0.5rem;
        vertical-align: middle;
    }

    .left-navbar ul li.navbar-item-lg .subtitle {
        color: var(--text-disabled);
    }
}

/** dashboard.css */
@media screen {
    .app-main {
        display: flex;
    }

    .dashboard-navbar {
        width: 16rem;
        height: 100vh;
        overflow: auto;
    }

    .dashboard-main {
        height: 100vh;
        overflow: auto;
        flex-grow: 1;
        padding: 0.8rem 0.8rem;
    }

    .dashboard-main .navbar {
        height: 3.2rem;
    }

    .dashboard-main .navbar .navbar-brand {
        color: var(--text-primary);
    }

    .dashboard-block .dashboard-empty {
        display: flex;
        align-items: center;
        justify-content: center;
        height: calc(100vh - 5rem);
        color: var(--text-disabled);
        min-height: 4rem;
        text-align: center;
    }

    .dashboard-block .dashboard-empty .icon {
        font-size: 3rem;
        opacity: 0.5;
    }
}

/** dashboard-table.css */
@media screen {
    .dashboard-block .table {
        margin: 0;
        overflow-x: auto;
        border-radius: 4px;
        background-color: var(--background-secondary);
    }

    .dashboard-block .table tbody tr:hover {
        background-color: var(--background-hover);
    }

    .dashboard-block .table tr th {
        white-space: nowrap;
        font-weight: 600;
        border-bottom-width: 2px;
    }

    .dashboard-block .table tr th:first-child {
        padding-left: 1.2rem;
    }

    .dashboard-block .table tr td {
        white-space: nowrap;
    }

    .dashboard-block .table tr td:first-child {
        padding-left: 1.2rem;
    }
}

@media screen {
    .dashboard-block .index-block {
        display: flex;
        border-radius: 4px;
        background-color: var(--background-secondary);
        margin-bottom: 1rem;
    }

    .dashboard-block .index-block .item {
        padding: 0.5rem 1rem;
    }

    .dashboard-block .index-block .item label {
        color: var(--color-gray-400);
    }
}

@media (max-width:1199px) {
    html {
        font-size: 13px;
    }
}

@media (max-width:1023px) {
    html {
        font-size: 12px;
    }
}

@media (max-width:600px) {
    html {
        font-size: 12px;
    }

    .app-body {
        overflow-y: auto;
    }

    .app-sidebar {
        height: auto;
        width: 100vw;
        flex-direction: row;
        position: sticky;
    }

    .app-sidebar .sidebar-bottom {
        display: flex;
        justify-content: start;
        align-items: center;
    }

    .app-sidebar .icon-button {
        min-width: 3.2rem;
        min-height: 3.2rem;
    }

    .app-sidebar .icon-home .gwfont {
        font-size: 1.6rem;
        line-height: 2rem;
        width: 2rem;
    }

    .app-body .app-root {
        padding: 0;
    }

    .dashboard-main {
        height: auto;
    }

    .dashboard-main .navbar {
        height: auto;
    }
}

@media (min-width:1440px) {
    html {
        font-size: 15px;
    }
}

@media (min-width:1600px) {
    html {
        font-size: 16px;
    }
}