.user-activity {
    --ua-bg: #ffffff;
    --ua-border: var(--border, #e9ecf0);
    --ua-text: #000000;
    --ua-muted: var(--placeholder, #7a7a7a);
    --ua-muted-strong: #333333;
    --ua-line: var(--green, #219653);
    --ua-grid: #e9ecf0;
    --ua-tooltip-bg: #2b2f36;

    margin-top: 100px;
    max-width: 870px;
    padding: 0;
    background-color: transparent;
    color: var(--ua-text);
    box-sizing: border-box;
}

.user-activity__header {
    margin-bottom: 28px;
}

.user-activity__title {
    margin: 0;
    font-size: 22px;
    line-height: 1.15;
    font-weight: 700;
    color: var(--ua-text);
}

.user-activity__intro {
    margin: 8px 0 0;
    font-size: 14px;
    line-height: 150%;
    color: var(--ua-muted-strong);
}

.user-activity__section-title {
    margin: 0 0 12px;
    font-size: 16px;
    line-height: 1.25;
    font-weight: 700;
    color: var(--ua-text);
}

.user-activity__chart {
    margin-bottom: 32px;
    padding: 24px 20px 16px;
    border: 1px solid var(--ua-border);
    background: #fafbfc;
    overflow: visible;
}

.user-activity__chart-head {
    margin-bottom: 20px;
}

.user-activity__chart-total {
    margin: 0;
    font-size: 36px;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ua-text);
}

.user-activity__chart-metric {
    margin: 8px 0 0;
    font-size: 13px;
    line-height: 150%;
    color: var(--ua-muted);
}

.user-activity__plot {
    display: flex;
    align-items: stretch;
    gap: 10px;
    overflow: visible;
}

.user-activity__y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-shrink: 0;
    box-sizing: border-box;
    width: 2.5em;
    height: 200px;
    padding: 16px 0 28px;
    font-size: 11px;
    line-height: 1;
    color: var(--ua-muted);
    text-align: right;
    user-select: none;
}

.user-activity__axis-label {
    display: block;
}

.user-activity__plot-main {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    overflow: visible;
}

.user-activity__svg {
    display: block;
    width: 100%;
    height: 200px;
    overflow: visible;
}

.user-activity__grid {
    stroke: var(--ua-grid);
    stroke-width: 1;
    vector-effect: non-scaling-stroke;
}

.user-activity__area {
    pointer-events: none;
}

.user-activity__line {
    stroke: var(--ua-line);
    stroke-width: 2.25;
    stroke-linejoin: round;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
}

.user-activity__dot {
    fill: var(--ua-line);
    stroke: var(--ua-bg);
    stroke-width: 1.5;
    vector-effect: non-scaling-stroke;
    pointer-events: none;
}

.user-activity__hits {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.user-activity__hit {
    position: absolute;
    top: 0;
    bottom: 0;
    width: max(28px, calc(100% / 14));
    transform: translateX(-50%);
    outline: none;
    cursor: default;
}

.user-activity__hit::before {
    content: "";
    position: absolute;
    top: var(--ua-point-y, 50%);
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--ua-line);
    box-shadow: 0 0 0 3px rgba(33, 150, 83, 0.22);
    transform: translate(-50%, -50%) scale(0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.12s ease, transform 0.12s ease;
}

.user-activity__hit:hover::before,
.user-activity__hit:focus::before,
.user-activity__hit:focus-within::before {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.user-activity__day {
    position: absolute;
    left: 50%;
    bottom: 2px;
    transform: translateX(-50%);
    font-size: 10px;
    line-height: 1.2;
    color: var(--ua-muted);
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

.user-activity__tooltip {
    position: absolute;
    top: var(--ua-point-y, 50%);
    left: 50%;
    z-index: 2;
    width: max-content;
    max-width: min(220px, 70vw);
    padding: 6px 10px;
    border-radius: 6px;
    background-color: var(--ua-tooltip-bg);
    color: #fff;
    font-size: 12px;
    line-height: 1.35;
    font-weight: 500;
    text-align: center;
    white-space: normal;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, calc(-100% - 14px));
    transition: opacity 0.12s ease, visibility 0.12s ease;
}

.user-activity__tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    border: 5px solid transparent;
    border-top-color: var(--ua-tooltip-bg);
    transform: translateX(-50%);
}

.user-activity__hit:hover .user-activity__tooltip,
.user-activity__hit:focus .user-activity__tooltip,
.user-activity__hit:focus-within .user-activity__tooltip {
    opacity: 1;
    visibility: visible;
}

.user-activity__hit--first .user-activity__tooltip,
.user-activity__hit--near-first .user-activity__tooltip {
    left: 0;
    transform: translate(0, calc(-100% - 14px));
}

.user-activity__hit--first .user-activity__tooltip::after,
.user-activity__hit--near-first .user-activity__tooltip::after {
    left: 16px;
    transform: none;
}

.user-activity__hit--last .user-activity__tooltip,
.user-activity__hit--near-last .user-activity__tooltip {
    left: auto;
    right: 0;
    transform: translate(0, calc(-100% - 14px));
}

.user-activity__hit--last .user-activity__tooltip::after,
.user-activity__hit--near-last .user-activity__tooltip::after {
    left: auto;
    right: 16px;
    transform: none;
}

.user-activity__live {
    margin: 0 0 20px;
    padding-top: 8px;
    border-top: 1px solid var(--ua-border);
}

.user-activity__live .user-activity__section-title {
    margin-top: 16px;
}

.user-activity__feed {
    margin: 0;
    padding: 0;
    list-style: none;
    border: 0;
}

.user-activity__feed-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
}

.user-activity__feed-item + .user-activity__feed-item {
    border-top: 1px solid var(--ua-border);
}

.user-activity__avatar {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-transform: uppercase;
    user-select: none;
}

.user-activity__feed-body {
    min-width: 0;
    flex: 1 1 auto;
}

.user-activity__feed-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 12px;
    margin-bottom: 4px;
}

.user-activity__feed-name {
    font-size: 14px;
    line-height: 1.35;
    font-weight: 600;
    color: var(--ua-text);
}

.user-activity__feed-time {
    flex-shrink: 0;
    font-size: 12px;
    line-height: 1.35;
    color: var(--ua-muted);
    white-space: nowrap;
}

.user-activity__feed-text {
    margin: 0;
    font-size: 14px;
    line-height: 150%;
    color: var(--ua-muted-strong);
}

.user-activity__code {
    font-weight: 600;
    color: var(--ua-text);
}

@media (hover: none) {
    .user-activity__hit:hover .user-activity__tooltip {
        opacity: 0;
        visibility: hidden;
    }

    .user-activity__hit:hover::before {
        opacity: 0;
    }

    .user-activity__hit:focus .user-activity__tooltip,
    .user-activity__hit:focus-within .user-activity__tooltip {
        opacity: 1;
        visibility: visible;
    }

    .user-activity__hit:focus::before,
    .user-activity__hit:focus-within::before {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@media (max-width: 1200px) {
    .user-activity {
        margin-top: 60px;
    }

    .user-activity__header {
        margin-bottom: 22px;
    }

    .user-activity__title {
        font-size: 20px;
        line-height: 1.2;
    }

    .user-activity__intro {
        font-size: 13px;
    }

    .user-activity__chart {
        padding: 20px 16px 12px;
    }
}

@media (max-width: 700px) {
    .user-activity {
        width: 100%;
        max-width: 100%;
    }

    .user-activity__chart {
        margin-bottom: 24px;
        padding: 16px 12px 10px;
    }

    .user-activity__chart-total {
        font-size: 28px;
    }

    .user-activity__plot {
        gap: 6px;
    }

    .user-activity__y-axis {
        width: 2em;
        height: 160px;
        padding: 13px 0 22px;
        font-size: 10px;
    }

    .user-activity__svg {
        height: 160px;
    }

    .user-activity__hit {
        width: max(22px, calc(100% / 14));
    }

    .user-activity__day {
        font-size: 8px;
        letter-spacing: -0.02em;
    }

    .user-activity__tooltip {
        font-size: 11px;
        padding: 5px 8px;
        max-width: min(180px, 80vw);
    }

    /* Точки стоят тесно: центрированный тултип у краёв вылезает за экран и даёт x-скролл даже скрытым */
    .user-activity__hit:nth-child(-n+4) .user-activity__tooltip {
        left: 0;
        transform: translate(0, calc(-100% - 14px));
    }

    .user-activity__hit:nth-child(-n+4) .user-activity__tooltip::after {
        left: 16px;
        transform: none;
    }

    .user-activity__hit:nth-last-child(-n+4) .user-activity__tooltip {
        left: auto;
        right: 0;
        transform: translate(0, calc(-100% - 14px));
    }

    .user-activity__hit:nth-last-child(-n+4) .user-activity__tooltip::after {
        left: auto;
        right: 16px;
        transform: none;
    }

    .user-activity__feed-item {
        gap: 10px;
        padding: 12px 0;
    }

    .user-activity__avatar {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
}

@media (max-width: 500px) {
    .user-activity {
        margin-top: 40px;
    }

    .user-activity__header {
        margin-bottom: 18px;
    }

    .user-activity__title {
        font-size: 18px;
        line-height: 1.22;
    }

    .user-activity__intro {
        font-size: 12px;
    }

    .user-activity__section-title {
        font-size: 15px;
    }

    .user-activity__chart-total {
        font-size: 24px;
    }

    .user-activity__chart-metric {
        font-size: 12px;
    }

    .user-activity__feed-name,
    .user-activity__feed-text {
        font-size: 13px;
    }

    .user-activity__feed-time {
        font-size: 11px;
    }

    .user-activity__y-axis {
        height: 140px;
        padding: 11px 0 20px;
    }

    .user-activity__svg {
        height: 140px;
    }
}