.serial-list-dropdown {
    position: relative;
    z-index: 20;
}

.serial-side-btn {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) 34px;
    align-items: center;
    width: 100%;
    min-height: 42px;
    padding: 0;
    border-radius: 4px;
    border: 1px solid #dde3e8;
    background: #fff;
    color: #2b333c;
    text-decoration: none;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(20, 28, 36, .04);
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.serial-side-btn:hover {
    transform: translateY(-1px);
    border-color: #cfd8df;
    box-shadow: 0 8px 18px rgba(20, 28, 36, .08);
}

.serial-side-btn__ico {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: #f3f5f7;
    color: #7a838d;
    border-right: 1px solid #dde3e8;
}

.serial-side-btn__ico svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
}

.serial-side-btn__text {
    display: flex;
    align-items: center;
    min-width: 0;
    height: 100%;
    padding: 0 13px;
    font-size: 13px;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.serial-side-btn__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: #fafbfc;
    color: #4d5964;
    border-left: 1px solid #dde3e8;
    transition: transform .18s ease;
}

.serial-side-btn__arrow svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.serial-list-dropdown.is-open .serial-side-btn__arrow {
    transform: rotate(180deg);
}

.serial-side-btn--schedule,
.serial-side-btn--telegram {
    grid-template-columns: 46px minmax(0, 1fr);
    border: 0;
    color: #fff;
}

.serial-side-btn--schedule {
    background: #2d9845;
}

.serial-side-btn--telegram {
    background: #4e86bc;
}

.serial-side-btn--schedule .serial-side-btn__ico,
.serial-side-btn--telegram .serial-side-btn__ico {
    background: rgba(255,255,255,.12);
    border-right-color: rgba(255,255,255,.2);
    color: #fff;
}

.serial-side-btn--schedule .serial-side-btn__text,
.serial-side-btn--telegram .serial-side-btn__text {
    color: #fff;
}

/* dropdown */

.serial-list-dropdown__menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 6px;
    background: #fff;
    box-shadow: 0 16px 32px rgba(17, 24, 31, .16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: opacity .18s ease, visibility .18s ease, transform .18s ease;
}

.serial-list-dropdown.is-open .serial-list-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.serial-list-dropdown__menu button {
    display: block;
    width: 100%;
    min-height: 36px;
    padding: 8px 10px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #29323b;
    font-size: 13px;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    transition: background .16s ease, color .16s ease, padding-left .16s ease;
}

.serial-list-dropdown__menu button:hover {
    padding-left: 14px;
    background: #eef8f1;
    color: #23843b;
}

[data-theme="dark"] .serial-side-btn {
    background: #1d232a;
    border-color: #303944;
    color: #e6ebef;
    box-shadow: none;
}

[data-theme="dark"] .serial-side-btn:hover {
    border-color: #3e4a56;
    box-shadow: 0 8px 18px rgba(0, 0, 0, .2);
}

[data-theme="dark"] .serial-side-btn__ico {
    background: #232a32;
    border-right-color: #303944;
    color: #aeb8c2;
}

[data-theme="dark"] .serial-side-btn__arrow {
    background: #1a2027;
    border-left-color: #303944;
    color: #aeb8c2;
}

[data-theme="dark"] .serial-list-dropdown__menu {
    background: #1d232a;
    border-color: #303944;
    box-shadow: 0 18px 36px rgba(0, 0, 0, .42);
}

[data-theme="dark"] .serial-list-dropdown__menu button {
    color: #e5ebf0;
}

[data-theme="dark"] .serial-list-dropdown__menu button:hover {
    background: rgba(47, 175, 79, .16);
    color: #70dd87;
}