.activity-calendar-page {
    position: fixed;
    inset: 0;
    z-index: 5000;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: max(18px, env(safe-area-inset-top)) 18px calc(28px + env(safe-area-inset-bottom));
    background:
        radial-gradient(circle at 50% 0, rgba(225, 6, 0, 0.12), transparent 32%),
        #09090b;
    color: #fff;
    --activity-checkin: #35d3b4;
}

html[data-theme="arctic"] .activity-calendar-page {
    --activity-checkin: #17bfa6;
}

.activity-calendar-header {
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 720px;
    margin: 0 auto 22px;
}

.activity-calendar-header h1 {
    margin: 3px 0 0;
    font-size: clamp(1.65rem, 7vw, 2.3rem);
    line-height: 1;
}

.activity-calendar-back,
.activity-calendar-month-controls > button {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    font-size: 2rem;
    line-height: 1;
}

.activity-calendar-content {
    max-width: 720px;
    margin: 0 auto;
}

.activity-calendar-month-controls {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.activity-calendar-month-controls label {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
    font-size: 0.95rem;
    font-weight: 850;
    letter-spacing: 0.02em;
}

.activity-calendar-month-controls input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.activity-calendar-card,
.activity-calendar-details {
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 22px;
    background: #121216;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.activity-calendar-card {
    padding: 16px 12px 14px;
}

.activity-calendar-weekdays,
.activity-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.activity-calendar-weekdays {
    margin-bottom: 8px;
    color: #85858e;
    font-size: 0.67rem;
    font-weight: 850;
    text-align: center;
}

.activity-calendar-grid {
    gap: 5px 2px;
}

.activity-calendar-day {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    min-width: 0;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 13px;
    background: transparent;
    color: #d7d7dc;
    font: inherit;
    font-size: 0.83rem;
    font-weight: 750;
}

.activity-calendar-day > span {
    position: relative;
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 50%;
    transition:
        background-color 160ms ease,
        box-shadow 160ms ease,
        transform 160ms ease;
}

/* Workout and weigh-in remain circular rings. Check-ins use the apple mark instead. */
.activity-calendar-day.has-workout > span::before,
.activity-calendar-day.has-weight > span::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--activity-calendar-ring);
    pointer-events: none;
    -webkit-mask: radial-gradient(
        farthest-side,
        transparent calc(100% - 2px),
        #000 calc(100% - 1.75px)
    );
    mask: radial-gradient(
        farthest-side,
        transparent calc(100% - 2px),
        #000 calc(100% - 1.75px)
    );
}

.activity-calendar-day.has-workout:not(.has-weight) {
    --activity-calendar-ring: var(--activity-workout, var(--accent, #ff2636));
}

.activity-calendar-day.has-weight:not(.has-workout) {
    --activity-calendar-ring: var(--activity-weight, var(--success, #45d486));
}

.activity-calendar-day.has-workout.has-weight {
    --activity-calendar-ring: conic-gradient(
        from -90deg,
        var(--activity-workout, var(--accent, #ff2636)) 0 50%,
        var(--activity-weight, var(--success, #45d486)) 50% 100%
    );
}

.activity-calendar-day.has-checkin > span::after {
    content: "";
    position: absolute;
    inset: -2px;
    background: var(--activity-checkin, #35d3b4);
    pointer-events: none;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.1 7.2c-1.4-1.4-3.5-2-5.3-1.1-2.4 1.2-3.3 4.3-2.2 7.5 1.2 3.6 3.5 6.4 5.6 6.4 1.1 0 1.8-.7 3-.7s1.9.7 3 .7c1.8 0 3.5-2 4.6-4.5-1.4-.4-2.5-1.6-2.5-3.2 0-1.4.9-2.6 2.1-3.2-1.1-2.1-3.6-3.2-5.9-2.4-1 .3-1.7.8-2.4 1.5Z' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M12.3 6c.2-2 1.5-3.4 3.6-3.8-.2 1.9-1.4 3.2-3.6 3.8Z' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.1 7.2c-1.4-1.4-3.5-2-5.3-1.1-2.4 1.2-3.3 4.3-2.2 7.5 1.2 3.6 3.5 6.4 5.6 6.4 1.1 0 1.8-.7 3-.7s1.9.7 3 .7c1.8 0 3.5-2 4.6-4.5-1.4-.4-2.5-1.6-2.5-3.2 0-1.4.9-2.6 2.1-3.2-1.1-2.1-3.6-3.2-5.9-2.4-1 .3-1.7.8-2.4 1.5Z' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M12.3 6c.2-2 1.5-3.4 3.6-3.8-.2 1.9-1.4 3.2-3.6 3.8Z' fill='none' stroke='black' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.activity-calendar-day.has-checkin:not(.has-workout):not(.has-weight) > span {
    border-radius: 0;
}

.activity-calendar-day.checkin-waiting {
    --activity-checkin: #f5b942;
}

.activity-calendar-day.checkin-past > span::after {
    opacity: 0.62;
}

.activity-calendar-day.checkin-ready > span::after {
    filter: drop-shadow(0 0 4px color-mix(in srgb, var(--activity-checkin, #35d3b4) 45%, transparent));
}

.activity-calendar-day:not(.is-empty):active {
    transform: scale(0.96);
}

.activity-calendar-day.is-today {
    border-color: transparent;
}

.activity-calendar-day.is-today:not(.is-selected) > span {
    background: rgba(255, 255, 255, 0.075);
    color: #fff;
}

.activity-calendar-day.has-checkin.is-today:not(.is-selected) > span {
    background: transparent;
}

.activity-calendar-grid .activity-calendar-day.is-selected {
    border-color: transparent;
    background: transparent;
    color: #fff;
}

.activity-calendar-day.is-selected > span {
    background: rgba(118, 118, 128, 0.28);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.16),
        0 2px 8px rgba(0, 0, 0, 0.2);
}

.activity-calendar-day.has-checkin.is-selected > span {
    background: transparent;
    box-shadow: none;
}

.activity-calendar-day > i {
    display: none;
}

.activity-calendar-legend .workout-dot,
.activity-calendar-legend .weight-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    box-sizing: border-box;
    border: 2px solid currentColor;
    border-radius: 50%;
    background: transparent;
}

.activity-calendar-legend .workout-dot {
    color: var(--activity-workout, var(--accent, #ff2636));
}

.activity-calendar-legend .weight-dot {
    color: var(--activity-weight, var(--success, #45d486));
}

.activity-calendar-legend {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 15px;
    padding-top: 13px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    color: #a5a5ad;
    font-size: 0.7rem;
    font-weight: 750;
}

.activity-calendar-legend span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.activity-calendar-legend-checkin .level-up-checkin-apple {
    width: 14px;
    height: 14px;
    color: var(--activity-checkin, #35d3b4);
}

.level-up-checkin-apple {
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.activity-calendar-details {
    min-height: 118px;
    margin-top: 14px;
    padding: 16px;
}

.activity-calendar-detail-head {
    margin-bottom: 12px;
    color: var(--accent-text, #ff4d5d);
    font-size: 0.7rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.activity-calendar-events {
    display: grid;
    gap: 9px;
}

.activity-calendar-event {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.025);
}

.activity-calendar-event > i {
    flex: 0 0 auto;
    align-self: stretch;
    width: 9px;
    min-height: 44px;
    border-radius: 999px;
}

.activity-calendar-event--workout > i {
    background: var(--activity-workout, var(--accent, #ff2636));
}

.activity-calendar-event--weight > i {
    background: var(--activity-weight, var(--success, #45d486));
}

.activity-calendar-event--checkin > .activity-calendar-checkin-icon {
    display: grid;
    width: 40px;
    height: 40px;
    min-height: 40px;
    align-self: center;
    place-items: center;
    border: 1px solid rgba(53, 211, 180, 0.22);
    border-radius: 12px;
    background: rgba(53, 211, 180, 0.08);
    color: var(--activity-checkin, #35d3b4);
}

.activity-calendar-event--checkin.is-waiting > .activity-calendar-checkin-icon {
    border-color: rgba(245, 185, 66, 0.3);
    background: rgba(245, 185, 66, 0.09);
    color: #f5b942;
}

.activity-calendar-event--checkin .level-up-checkin-apple {
    width: 22px;
    height: 22px;
}

.activity-calendar-event span {
    min-width: 0;
}

.activity-calendar-event small,
.activity-calendar-event strong {
    display: block;
}

.activity-calendar-event small {
    margin-bottom: 3px;
    color: #8f8f98;
    font-size: 0.62rem;
    font-weight: 850;
    letter-spacing: 0.08em;
}

.activity-calendar-event strong {
    overflow: hidden;
    font-size: 0.9rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.activity-calendar-event-meta {
    margin: 5px 0 0;
    color: #a5a5ad;
    font-size: 0.69rem;
    font-weight: 650;
    line-height: 1.4;
}

.activity-calendar-empty {
    display: grid;
    place-items: center;
    min-height: 84px;
    text-align: center;
}

.activity-calendar-empty strong {
    font-size: 0.9rem;
}

.activity-calendar-empty span {
    margin-top: 5px;
    color: #8f8f98;
    font-size: 0.72rem;
}

@media (max-width: 380px) {
    .activity-calendar-page {
        padding-left: 12px;
        padding-right: 12px;
    }

    .activity-calendar-card {
        padding-left: 8px;
        padding-right: 8px;
    }

    .activity-calendar-grid {
        gap: 4px 1px;
    }

    .activity-calendar-day {
        border-radius: 11px;
        font-size: 0.76rem;
    }

    .activity-calendar-day > span {
        width: 32px;
        height: 32px;
    }

    .activity-calendar-legend {
        gap: 12px;
        font-size: 0.65rem;
    }
}