/**
 * 学习目标圆环 + 周进度条样式（从 dashboard 提取）
 */

.lib-goal-arc-wrap {
    position: relative;
    width: 100%;
    max-width: 12rem;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    --lib-goal-ring-color: #0071e3;
    --lib-goal-ring-track: rgba(0, 113, 227, 0.12);
}

.dark .lib-goal-arc-wrap {
    --lib-goal-ring-track: rgba(0, 113, 227, 0.18);
}

.lib-goal-arc {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.lib-goal-arc-track {
    fill: none;
    stroke: var(--lib-goal-ring-track);
    stroke-width: 20;
    stroke-linecap: round;
}

.lib-goal-arc-progress {
    fill: none;
    stroke: var(--lib-goal-ring-color);
    stroke-width: 20;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.35s ease;
}

.lib-goal-tip-dot {
    fill: var(--lib-goal-ring-color);
}

.lib-goal-tip-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #fff;
}

.lib-goal-tip-arrow i {
    font-size: 11px;
    line-height: 1;
}

.lib-goal-arc-wrap.is-no-progress .lib-goal-tip-arrow i {
    font-size: 12px;
}

.lib-goal-ring-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.125rem;
    font-variant-numeric: tabular-nums;
    pointer-events: none;
}

.lib-goal-ring-done {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    color: #111827;
}

.dark .lib-goal-ring-done {
    color: #f5f5f7;
}

.lib-goal-ring-sep,
.lib-goal-ring-target {
    font-size: 0.875rem;
    font-weight: 500;
    color: #9ca3af;
}

.ld-week-strip {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: 0.875rem;
}

.ld-week-nav {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.ld-week-labels-row,
.ld-week-rings-row {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.ld-week-side-gap {
    flex: 0 0 1.375rem;
    width: 1.375rem;
}

.ld-week-labels-scroll {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    pointer-events: none;
}

.ld-week-labels-scroll::-webkit-scrollbar { display: none; }

.ld-week-labels {
    display: flex;
    gap: 0.375rem;
    padding: 0 0.125rem;
}

.ld-week-labels .ld-week-day-label {
    flex: 0 0 calc((100% - 1.125rem) / 4);
    min-width: 2rem;
    text-align: center;
}

.ld-week-nav-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: none;
    border-radius: 9999px;
    background: var(--ld-item-bg, rgba(0, 0, 0, 0.04));
    color: var(--ld-ink-secondary, #6b7280);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.ld-week-nav-btn:hover:not(:disabled) {
    background: var(--ld-accent-muted, rgba(0, 113, 227, 0.12));
    color: var(--ld-accent, #0071e3);
}

.ld-week-nav-btn:disabled {
    opacity: 0.28;
    cursor: default;
}

.ld-week-nav-btn i {
    font-size: 0.875rem;
    line-height: 1;
}

@media (max-width: 767px) {
    .ld-week-nav-btn { display: none; }
}

.ld-week-scroll {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    touch-action: pan-x;
}

.ld-week-scroll::-webkit-scrollbar { display: none; }

.ld-week-circles {
    display: flex;
    gap: 0.375rem;
    padding: 0 0.125rem;
}

.ld-week-day {
    flex: 0 0 calc((100% - 1.125rem) / 4);
    min-width: 2rem;
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    border: none;
    background: none;
    font: inherit;
    color: inherit;
    cursor: pointer;
}

.ld-week-day-ring {
    position: relative;
    width: 100%;
    max-width: 2.25rem;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    --lib-goal-ring-color: var(--ld-accent, #0071e3);
    --lib-goal-ring-track: var(--ld-accent-muted, rgba(0, 113, 227, 0.12));
    transition: transform 0.18s ease;
}

.ld-week-day-ring .lib-goal-arc-track,
.ld-week-day-ring .lib-goal-arc-progress {
    stroke-width: 20;
}

.ld-week-day-label {
    display: block;
    font-size: 0.5625rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    color: var(--ld-ink-tertiary, #9ca3af);
    pointer-events: none;
}

.ld-week-labels .ld-week-day-label.is-today,
.ld-week-day.is-active .ld-week-day-label,
.ld-week-labels .ld-week-day-label.is-active,
.ld-week-day.is-complete .ld-week-day-label,
.ld-week-labels .ld-week-day-label.is-complete {
    color: var(--ld-accent, #0071e3);
}

.ld-week-day.is-active .ld-week-day-ring { transform: scale(1.08); }
.ld-week-day.is-future { opacity: 0.38; }

.ld-goal-detail-meta {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    line-height: 1.4;
    text-align: center;
    color: var(--ld-ink-secondary, #6b7280);
}

@media (min-width: 768px) {
    .ld-week-scroll { scroll-snap-type: none; }
    .ld-week-labels,
    .ld-week-circles {
        justify-content: space-between;
        width: 100%;
        gap: 0.25rem;
        padding: 0;
    }
    .ld-week-labels .ld-week-day-label,
    .ld-week-day {
        flex: 1 1 0;
        min-width: 0;
    }
    .ld-week-day-ring { max-width: 1.875rem; }
}