.calendar-container {
    width: 100%;
    max-width: 336px;
    margin: 0 auto;
}

.strength-calendar-nav {
    margin-bottom: 14px;
}

.strength-calendar-nav h4 {
    font-size: 17px;
}

.strength-calendar-weekdays {
    column-gap: 4px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 13px;
}

.strength-calendar-dates {
    gap: 8px 4px;
}

.strength-calendar-date,
.strength-calendar-blank {
    width: 100%;
    max-width: 40px;
    aspect-ratio: 1;
    font-size: 15px;
    font-weight: 500;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.prev-month-btn, .next-month-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prev-month-btn:hover, .next-month-btn:hover {
    background-color: #f3f4f6;
}

.strength-calendar-summary,
.strength-calendar-desktop-title {
    display: none;
}

/* 今日未训练时显示蓝色，已有训练继续使用金色标记。 */
:root .calendar-container [data-date].ui-calendar-day--today:not(.ui-calendar-day--strength) {
    background: rgba(59,130,246,.10) !important;
    border-color: rgba(147,197,253,.80) !important;
}

/* 手机和平板：在同一张卡片内先展示日历，再展示两行训练统计。 */
@media (max-width: 1023px) {
    .strength-calendar-card {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .strength-calendar-overview {
        display: contents;
    }

    .strength-calendar-heading {
        grid-row: 1;
    }

    .strength-calendar-card .calendar-container {
        grid-row: 2;
        width: 100%;
    }

    .strength-calendar-summary {
        display: grid;
        grid-row: 3;
        gap: 20px;
        width: 100%;
        max-width: 420px;
        margin: 24px auto 0;
        padding-top: 22px;
        border-top: 1px solid var(--glass-line, rgba(255,255,255,.16));
        text-align: center;
    }

    .strength-calendar-stat-row,
    .strength-calendar-comparison {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .strength-calendar-label {
        color: var(--muted);
        font-size: 12px;
        line-height: 1.5;
        letter-spacing: .02em;
    }

    .strength-calendar-subtotal {
        display: flex;
        align-items: baseline;
        justify-content: center;
        gap: 6px;
        margin-top: 5px;
        color: var(--ink);
    }

    .strength-calendar-subtotal strong {
        font-size: 30px;
        font-weight: 600;
        line-height: 1.2;
        letter-spacing: -.04em;
        font-variant-numeric: tabular-nums;
    }

    .strength-calendar-subtotal > span {
        color: var(--muted);
        font-size: 12px;
    }

    :root.fit-photo-dark .strength-calendar-summary {
        border-color: rgba(255,255,255,.16);
    }
}

/* 电脑端：训练概览与日历共用原有玻璃卡片。 */
@media (min-width: 1024px) {
    .strength-calendar-card {
        display: grid;
        grid-template-columns: minmax(280px, 2fr) minmax(0, 3fr);
        column-gap: clamp(32px, 3vw, 48px);
        padding: 28px 32px;
    }

    .strength-calendar-overview {
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-width: 0;
        padding-right: 32px;
        border-right: 1px solid var(--glass-line, rgba(255,255,255,.16));
    }

    .strength-calendar-heading {
        gap: 16px;
        margin-bottom: 0;
    }

    .strength-calendar-heading h3 {
        font-size: 18px;
        line-height: 1.5;
    }

    .strength-calendar-summary {
        display: block;
        margin-top: 22px;
    }

    .strength-calendar-label {
        color: var(--muted);
        font-size: 13px;
        letter-spacing: .08em;
    }

    .strength-calendar-stat-row,
    .strength-calendar-comparison {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px;
    }

    .strength-calendar-comparison {
        margin-top: 22px;
        padding-top: 18px;
        border-top: 1px solid var(--glass-line, rgba(255,255,255,.16));
    }

    .strength-calendar-subtotal {
        display: flex;
        align-items: baseline;
        gap: 8px;
        margin-top: 5px;
        color: var(--ink);
    }

    .strength-calendar-subtotal strong {
        font-size: 34px;
        font-weight: 600;
        line-height: 1.2;
        letter-spacing: -.04em;
        font-variant-numeric: tabular-nums;
    }

    .strength-calendar-subtotal > span {
        color: var(--muted);
        font-size: 13px;
    }

    .strength-calendar-heading #anaerobicCalendarTitle {
        display: none;
    }

    .strength-calendar-desktop-title {
        display: inline;
    }

    :root.fit-photo-dark .strength-calendar-overview,
    :root.fit-photo-dark .strength-calendar-comparison {
        border-color: rgba(255,255,255,.16);
    }

    .strength-calendar-card .calendar-container {
        align-self: center;
        width: 100%;
        max-width: none;
        margin: 0;
    }

    .strength-calendar-nav {
        margin-bottom: 16px;
    }

    .strength-calendar-nav h4 {
        font-size: 18px;
        letter-spacing: .02em;
    }

    .strength-calendar-nav :is(.prev-month-btn, .next-month-btn) {
        width: 44px;
        height: 44px;
    }

    .strength-calendar-weekdays {
        margin-bottom: 12px;
        font-size: 14px;
        color: var(--muted);
    }

    .strength-calendar-weekdays > div {
        padding-block: 4px;
        text-align: center;
    }

    .strength-calendar-dates {
        row-gap: 10px;
    }

    .strength-calendar-date,
    .strength-calendar-blank {
        max-width: 48px;
        font-size: 17px;
    }
}

@media (max-width: 480px) {
    .strength-calendar-card {
        padding: 20px 16px;
    }
}

/* 日期选择器样式优化 */
input[type="date"] {
    color-scheme: light;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(0.5);
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    filter: invert(0.3);
}

/* 移动端特殊处理 */
@media (max-width: 768px) {
    select, input[type="text"], input[type="number"], input[type="password"], input[type="date"], textarea {
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }

    select {
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 12px center;
        background-size: 16px;
        padding-right: 40px;
    }
}

/* 快速选择按钮样式 */
.quick-activity-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.quick-time-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}