.zt-column-hidden {
    display: none !important;
}

th.zt-sticky-left,
td.zt-sticky-left,
th.zt-sticky-right,
td.zt-sticky-right {
    position: sticky;
    z-index: 3;
    background: var(--card-bg, #ffffff);
}

th.zt-sticky-left,
td.zt-sticky-left {
    left: 0;
    box-shadow: 4px 0 10px rgba(15, 23, 42, 0.06);
}

th.zt-sticky-right,
td.zt-sticky-right {
    right: 0;
    box-shadow: -4px 0 10px rgba(15, 23, 42, 0.06);
}

th.zt-sticky-left,
th.zt-sticky-right {
    z-index: 4;
}

body.theme-dark th.zt-sticky-left,
body.theme-dark td.zt-sticky-left,
body.theme-dark th.zt-sticky-right,
body.theme-dark td.zt-sticky-right,
body[data-theme="dark"] th.zt-sticky-left,
body[data-theme="dark"] td.zt-sticky-left,
body[data-theme="dark"] th.zt-sticky-right,
body[data-theme="dark"] td.zt-sticky-right {
    background: var(--card-bg, #172236);
}

body.theme-dark th.zt-sticky-left,
body.theme-dark td.zt-sticky-left,
body[data-theme="dark"] th.zt-sticky-left,
body[data-theme="dark"] td.zt-sticky-left {
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.18);
}

body.theme-dark th.zt-sticky-right,
body.theme-dark td.zt-sticky-right,
body[data-theme="dark"] th.zt-sticky-right,
body[data-theme="dark"] td.zt-sticky-right {
    box-shadow: -4px 0 10px rgba(0, 0, 0, 0.18);
}

.zt-column-chooser {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.zt-column-chooser__button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid var(--border-color, #d7e0ec);
    border-radius: 10px;
    background: var(--soft-surface, #eef3f8);
    color: var(--text-color, #0f172a);
    font-weight: 700;
}

.zt-column-chooser__button:hover,
.zt-column-chooser__button[aria-expanded="true"] {
    border-color: color-mix(in oklab, var(--accent-color, #2563eb) 45%, var(--border-color, #d7e0ec));
    background: color-mix(in oklab, var(--accent-color, #2563eb) 10%, var(--soft-surface, #eef3f8));
}

.zt-column-chooser__panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 40;
    width: min(310px, calc(100vw - 32px));
    padding: 12px;
    border: 1px solid var(--border-color, #d7e0ec);
    border-radius: 12px;
    background: var(--card-bg, #ffffff);
    color: var(--text-color, #0f172a);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.18);
}

.zt-column-chooser__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 2px 2px 10px;
    border-bottom: 1px solid var(--border-color, #d7e0ec);
}

.zt-column-chooser__head strong {
    font-size: 14px;
}

.zt-column-chooser__reset {
    border: 0;
    background: transparent;
    color: var(--accent-color, #2563eb);
    font-size: 12px;
    font-weight: 800;
}

.zt-column-chooser__list {
    display: grid;
    gap: 6px;
    max-height: min(440px, 56vh);
    margin-top: 10px;
    overflow: auto;
}

.zt-column-chooser__option {
    min-height: 36px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 8px 9px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--text-color, #0f172a);
    cursor: pointer;
}

.zt-column-chooser__option:hover {
    border-color: color-mix(in oklab, var(--accent-color, #2563eb) 28%, transparent);
    background: color-mix(in oklab, var(--accent-color, #2563eb) 8%, transparent);
}

.zt-column-chooser__option input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color, #2563eb);
}

.zt-column-chooser__option span {
    font-size: 13px;
    font-weight: 700;
}

.zt-column-chooser__option em {
    color: var(--text-muted, #64748b);
    font-size: 11px;
    font-style: normal;
    font-weight: 800;
    text-transform: uppercase;
}

.zt-column-chooser__option.is-required {
    cursor: default;
    opacity: 0.78;
}

body.theme-dark .zt-column-chooser__button,
body[data-theme="dark"] .zt-column-chooser__button {
    border-color: rgba(148, 163, 184, 0.2);
    background: #1d2b43;
    color: #f8fafc;
}

body.theme-dark .zt-column-chooser__panel,
body[data-theme="dark"] .zt-column-chooser__panel {
    border-color: rgba(148, 163, 184, 0.24);
    background: #172236;
    color: #f8fafc;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

body.theme-dark .zt-column-chooser__head,
body[data-theme="dark"] .zt-column-chooser__head {
    border-color: rgba(148, 163, 184, 0.18);
}

body.theme-dark .zt-column-chooser__option,
body[data-theme="dark"] .zt-column-chooser__option {
    color: #f8fafc;
}

body.theme-dark .zt-column-chooser__option:hover,
body[data-theme="dark"] .zt-column-chooser__option:hover {
    background: rgba(96, 165, 250, 0.14);
}

@media (max-width: 768px) {
    .zt-column-chooser,
    .zt-column-chooser__button {
        width: 100%;
    }

    .zt-column-chooser__panel {
        right: auto;
        left: 0;
    }
}