/* ============================================================
   Statistics (Dashboard Module)
============================================================ */

.statistics {
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow: hidden;
}

/* ============================================================
   Header
============================================================ */

.statistics__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    margin-bottom: 14px;
}

.statistics__title {
    margin: 0;
    color: var(--color-text);
    font-size: 17px;
    font-weight: 600;
}

/* ============================================================
   Period Selector
============================================================ */

.statistics__periods {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px;
    margin-bottom: 16px;
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.statistics__period {
    flex: 1;
    height: 30px;
    padding-inline: 8px;
    border: none;
    border-radius: 7px;
    color: var(--color-text-secondary);
    background-color: transparent;
    font-family: inherit;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    transition: color 180ms ease, background-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.statistics__period:hover {
    color: var(--color-primary-light);
    background-color: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.statistics__period--active {
    color: #ffffff;
    background-color: var(--color-primary);
    font-weight: 600;
    box-shadow: 0 3px 7px color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.statistics__period--active:hover {
    color: #ffffff;
    background-color: var(--color-primary-light);
}

/* ============================================================
   Main Content
============================================================ */

.statistics__content {
    width: 100%;
    min-width: 0;
    min-height: 0;
    flex: 1;
    display: flex;
    align-items: stretch;
    gap: 20px;
    overflow: hidden;
}

/* ============================================================
   Donut Chart (Chart.js)
============================================================ */

.statistics__chart {
    width: 45%;
    min-width: 145px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.statistics__donut {
    width: min(150px, 100%);
    aspect-ratio: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.statistics__donut canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
}

/* Center */
.statistics__donut-center {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    pointer-events: none;
}

.statistics__donut-label {
    color: var(--color-text-secondary);
    font-size: 10px;
}

.statistics__donut-time {
    color: var(--color-text);
    font-size: 20px;
    font-weight: 700;
    direction: ltr;
}

/* ============================================================
   Activity Details
============================================================ */

.statistics__details {
    width: 100%;
    min-width: 0;
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ============================================================
   Details Header
============================================================ */

.statistics__details-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding-bottom: 8px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 10px;
}

/* ============================================================
   Activities List
============================================================ */

.statistics__activities {
    width: 100%;
    min-width: 0;
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
}

.statistics__activities::-webkit-scrollbar {
    display: none;
}

.statistics__empty {
    margin: auto;
    padding: 12px;
    color: var(--color-text-secondary);
    font-size: 11px;
    text-align: center;
    line-height: 1.7;
}

/* ============================================================
   Activity Item
============================================================ */

.statistics__activity {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 7px;
    border-radius: 8px;
    background-color: color-mix(in srgb, var(--color-surface) 65%, transparent);
    transition: background-color 180ms ease, transform 180ms ease;
}

.statistics__activity:hover {
    background-color: var(--color-surface-hover);
    transform: translateX(-2px);
}

/* ============================================================
   Activity Name
============================================================ */

.statistics__activity-name {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--color-text);
    font-size: 11px;
    font-weight: 500;
}

.statistics__activity-name > span:last-child {
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/* Activity Color Dot */
.statistics__activity-color {
    width: 8px;
    height: 8px;
    flex-shrink: 0;
    border-radius: 50%;
    background-color: var(--activity-color);
}

/* ============================================================
   Activity Data
============================================================ */

.statistics__activity-data {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    direction: ltr;
}

.statistics__activity-duration {
    color: var(--color-text);
    font-size: 10px;
    font-weight: 600;
}

.statistics__activity-percent {
    min-width: 32px;
    color: var(--color-text-secondary);
    font-size: 9px;
    text-align: left;
}

/* ============================================================
   Responsive Design
============================================================ */

@media (max-width: 850px) {
    .statistics__content {
        flex-direction: column;
        gap: 12px;
    }

    .statistics__chart {
        width: 100%;
        min-width: 0;
        flex-shrink: 0;
    }

    .statistics__donut {
        width: min(120px, 100%);
    }

    .statistics__donut-time {
        font-size: 17px;
    }

    .statistics__details {
        flex: 0 1 auto;
        min-height: 0;
        max-height: 200px;
    }
}

@media (max-width: 550px) {
    .statistics {
        padding: 14px;
    }

    .statistics__title {
        font-size: 15px;
    }

    .statistics__period {
        font-size: 10px;
        height: 28px;
    }

    .statistics__donut {
        width: min(100px, 100%);
    }

    .statistics__donut-time {
        font-size: 15px;
    }

    .statistics__donut-label {
        font-size: 9px;
    }

    .statistics__activity {
        padding: 6px 5px;
    }

    .statistics__activity-name {
        font-size: 10px;
    }

    .statistics__activity-duration {
        font-size: 9px;
    }

    .statistics__activity-percent {
        font-size: 8px;
        min-width: 28px;
    }

    .statistics__details-header {
        font-size: 9px;
    }

    .statistics__details {
        max-height: 150px;
    }
}

/* ============================================================
   Dark Theme Support
============================================================ */

:root[data-theme="dark"] .statistics__periods {
    background-color: #1a2629;
    border-color: rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .statistics__period {
    color: var(--color-text-secondary);
}

:root[data-theme="dark"] .statistics__period:hover {
    background-color: rgba(79, 158, 165, 0.15);
}

:root[data-theme="dark"] .statistics__period--active {
    color: #ffffff;
    background-color: #5fb3cc;
}

:root[data-theme="dark"] .statistics__period--active:hover {
    background-color: #6fc2db;
}

:root[data-theme="dark"] .statistics__activity {
    background-color: color-mix(in srgb, #1a2629 65%, transparent);
}

:root[data-theme="dark"] .statistics__activity:hover {
    background-color: #203035;
}

:root[data-theme="dark"] .statistics__donut-time {
    color: var(--color-text);
}

:root[data-theme="dark"] .statistics__donut-label {
    color: var(--color-text-secondary);
}