:root {
    /* Colors */
    --color-primary: #3F5AA4;
    --color-text: #374151;
    --color-text-secondary: #888D99;
    --color-text-dark: #3E4451;
    --color-background: #f9fafb;
    --color-white: #ffffff;
    --color-active-bg: #e8f1ff;
    --color-border: #e5e7eb;
    --color-input-border: #d1d5db;
    --color-button-bg: #f3f4f6;
    --color-button-hover: #e5e7eb;
    --color-focus-border: #3b82f6;
    --color-focus-shadow: rgba(59, 130, 246, 0.3);
    --color-active-border: rgba(70, 119, 145, 0.4);
    --color-pagination-active: #2563eb;
    --color-pagination-active-bg: #ebf5ff;
    --color-pagination-active-border: #93c5fd;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-checkbox-border: #D1D5DF;

    /* Badge colors */
    --color-badge-red: #F6D7CB;
    --color-badge-yellow: #FFFCC9;
    --color-badge-green: #D1EBCC;
    --color-badge-blue: #E8F1FF;

    /* Sizes */
    --size-input-height: 64px;
    --size-icon: 43px;
    --size-checkbox: 32px;
    --size-radius-sm: 4px;
    --size-radius: 8px;
    --size-radius-lg: 16px;
    --size-cell-padding: 24px 30px;
    --size-gap-sm: 8px;
    --size-gap: 36px;
    --size-gap-lg: 40px;

    /* Typography */
    --font-family: "YS Text", 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size: 24px;
    --line-height: 28px;

    /* Common properties */
    --transition: 0.2s ease;
    --filter-hover: invert(30%) sepia(87%) saturate(454%) hue-rotate(188deg) brightness(80%) contrast(93%);
}

/* Base & Reset */
* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: var(--font-family), serif;
    font-weight: 400;
    font-style: normal; font-stretch: normal;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
}

main {
    margin: 50px auto;
}

/* Layout Components */
.container {
    width: 100%;
    max-width: 1400px;
    min-width: 650px;
    border-radius: var(--size-radius);
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: 0 1px 3px var(--color-shadow);
}

/* Icons */
.icon {
    display: inline-flex;
    width: var(--size-icon);
    height: var(--size-icon);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* Icon types */
.search-icon { background-image: url("./assets/search.svg"); }
.reset-icon { background-image: url("./assets/stop.svg"); }
.chevrons-left { background-image: url("./assets/chevrons-left.svg"); }
.chevrons-right { background-image: url("./assets/chevrons-right.svg"); }
.left { background-image: url("./assets/left.svg"); }
.right { background-image: url("./assets/right.svg"); }

/* Interactive elements */
button.icon {
    border: none;
    background-color: transparent;
    cursor: pointer;
    transition: filter var(--transition);
}

button.icon:hover,
.filter-icon:hover,
.sort-icon:hover {
    filter: var(--filter-hover);
}

/* Input & Button styles */
.input, .button {
    height: var(--size-input-height);
    font-size: var(--font-size);
    line-height: var(--line-height);
    border-radius: var(--size-radius-lg);
}

.input {
    width: 100%;
    padding: 10px 21px;
    border: 1px solid var(--color-input-border);
    outline: none;
    color: var(--color-text-secondary);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.input:focus {
    border-color: var(--color-focus-border);
    box-shadow: 0 0 0 2px var(--color-focus-shadow);
}

.button {
    padding: 10px 27px;
    background-color: var(--color-button-bg);
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition);
}

.button:hover {
    background-color: var(--color-button-hover);
}

/* Active states */
.active .input {
    border-color: var(--color-active-border);
    background-color: var(--color-active-bg);
}

.active .icon {
    filter: var(--filter-hover);
}

.button.active {
    background-color: var(--color-active-bg);
    color: var(--color-primary);
}

/* Dropdown select */
.dropdown-select {
    position: relative;
    display: block;
}

.dropdown-select select {
    width: 100%;
    height: var(--size-input-height);
    padding: 10px 21px;
    font-size: var(--font-size);
    line-height: var(--line-height);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-input-border);
    border-radius: var(--size-radius-lg);
    outline: none;
    appearance: none;
    background-color: transparent;
    cursor: pointer;
}

.dropdown-select::after {
    content: "";
    position: absolute;
    top: 10px;
    right: 5px;
    width: 55px;
    height: var(--size-icon);
    background: url("./assets/down.svg") no-repeat center center var(--color-background);
    pointer-events: none;
}

.dropdown-select:focus-within select {
    border-color: var(--color-focus-border);
    box-shadow: 0 0 0 2px var(--color-focus-shadow);
}

.dropdown-select.active select {
    border-color: var(--color-active-border);
    background-color: var(--color-active-bg);
}

.dropdown-select.active::after {
    background-color: var(--color-active-bg);
}

/* Search bar */
.search-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 40px 30px;
    gap: var(--size-gap);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-white);
}

.search-wrapper {
    position: relative;
    display: flex;
    flex-grow: 1;
    max-width: 600px;
}

.search-wrapper .icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
}

.search-wrapper .input {
    padding-left: 61px;
}

.reset-wrapper {
    position: relative;
    padding-right: calc(var(--size-icon) + 12px);
}

.reset-wrapper .icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
}

/* Table */
.table {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.table-row {
    display: grid;
    grid-template-columns: var(--columns);
    border-bottom: 1px solid var(--color-border);
}

.table-column {
    display: flex;
    align-items: center;
}

/* Table header */
.header-row {
    font-size: var(--font-size);
    line-height: var(--line-height);
    font-weight: 500;
}

.header-row .table-column {
    padding: 18px 30px;
}

.sortable {
    display: flex;
    align-items: center;
    gap: 8px;

    button[data-value="none"] {
        background-image: url("./assets/sort.svg");
    }

    button[data-value="up"] {
        background-image: url("./assets/arrow-up.svg");
    }

    button[data-value="down"] {
        background-image: url("./assets/arrow-down.svg");
    }
}

/* Filter row */
.filter-row {
    background-color: var(--color-background);
}

.filter-row .table-column {
    padding: var(--size-cell-padding);
}

.filter-wrapper {
    position: relative;
    display: flex;
    width: 100%;

    .icon {
        background-image: url("./assets/clear.svg");
    }
}

.filter-wrapper:has(.input:placeholder-shown) .icon {
    background-image: url("./assets/filter.svg");
}

.filter-wrapper .icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
}

.range-inputs {
    display: flex;
    gap: var(--size-gap-sm);
}

/* Table content */
.table-content {
    font-size: var(--font-size);
}

.table-content .table-column {
    padding: var(--size-cell-padding);
}

.table-content .table-row:hover {
    background-color: var(--color-background);
}

/* Checkbox */
.checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--size-checkbox);
    height: var(--size-checkbox);
    border: 1px solid var(--color-checkbox-border);
    border-radius: var(--size-radius);
    cursor: pointer;
}

.checkbox input {
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.checkbox:has(input:checked) {
    background-image: url("./assets/check.svg");
    background-repeat: no-repeat;
    background-position: center;
    filter: var(--filter-hover);
}

/* Badge */
.badge {
    padding: 4px 8px;
    border-radius: var(--size-radius-sm);
    color: var(--color-text-dark);
}

.badge.red { background-color: var(--color-badge-red); }
.badge.yellow { background-color: var(--color-badge-yellow); }
.badge.green { background-color: var(--color-badge-green); }
.badge.blue { background-color: var(--color-badge-blue); }

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 24px 113px;
    background-color: var(--color-white);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--size-gap-sm);
}

.pagination-pages {
    display: flex;
    gap: var(--size-gap-sm);
}

.pagination-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--size-icon);
    height: var(--size-icon);
    border: none;
    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-text-secondary);
    font-size: var(--font-size);
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition);
    position: relative;

    input {
        position: absolute;
        opacity: 0;
    }
}

.pagination-button:hover {
    background-color: var(--color-button-bg);
}

.pagination-button:has(input:checked) {
    background-color: var(--color-pagination-active-bg);
    border-color: var(--color-pagination-active-border);
    color: var(--color-pagination-active);
}

.pagination-settings {
    display: flex;
    align-items: center;
    gap: var(--size-gap-lg);
}

.pagination-status {
    color: var(--color-text-dark);
    font-size: var(--font-size);
}

.rows-per-page {
    width: 8rem;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    :root {
        --font-size: 14px;
        --line-height: 16px;
        --size-cell-padding: 14px 28px;
        --size-input-height: 48px;
        --size-icon: 32px;
    }

    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar .search-wrapper, .search-bar .input {
        width: 100%;
        max-width: 100%;
    }

    .pagination-container {
        flex-direction: column;
        gap: var(--size-gap);
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .table {
        overflow-x: auto;
    }

    .filter-row .table-column {
        padding: 16px;
    }

    .range-inputs {
        flex-direction: column;
    }
}