/* ═══════════════════════════════════════════════════════════
   Learning Dashboard
   ═══════════════════════════════════════════════════════════ */

html:has(.ld-page),
html:has(.ld-page) body {
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: #ffffff;
}

.dark html:has(.ld-page),
.dark html:has(.ld-page) body {
    background: #0a0a0a;
}

html:has(.ld-page)::-webkit-scrollbar,
html:has(.ld-page) body::-webkit-scrollbar {
    display: none;
}

@media (min-width: 768px) {
    html:has(.ld-page),
    html:has(.ld-page) body {
        overflow-x: hidden;
        overflow-y: auto;
        min-height: 100%;
    }
}

/* ── Tokens ── */
.ld-page,
.ld-sheet,
.ld-day-modal {
    --ld-accent: #0071e3;
    --ld-accent-hover: #0b52c8;
    --ld-accent-muted: rgba(0, 113, 227, 0.12);
    --ld-accent-soft: #eff6ff;

    --ld-cta: #0a0a0a;
    --ld-cta-hover: #0071e3;

    --ld-bg: #ffffff;
    --ld-bg-warm: #eff6ff;
    --ld-panel: #ffffff;
    --ld-panel-hover: #f8fafc;
    --ld-surface: #ffffff;
    --ld-surface-raised: #f8fafc;
    --ld-item-bg: #f1f5f9;
    --ld-push-bg: rgb(56, 158, 227);
    --ld-push-fg: #fff;
    --ld-push-fg-muted: #fff;
    --ld-push-fg-subtle: #fff;
    --ld-push-divider: rgba(255, 255, 255, 0.16);
    --ld-push-tag-new-bg: rgba(255, 255, 255, 0.2);
    --ld-push-tag-review-bg: rgba(255, 255, 255, 0.12);

    --ld-ink: #0a0a0a;
    --ld-ink-secondary: #64748b;
    --ld-ink-tertiary: #94a3b8;

    --ld-border: #e2e8f0;
    --ld-card-border: rgba(0, 0, 0, 0.07);
    --ld-review: #475569;
    --ld-review-muted: rgba(71, 85, 105, 0.1);

    --ld-radius-xl: 0.875rem;
    --ld-radius-lg: 0.625rem;
    --ld-radius-md: 0.4375rem;
    --ld-radius-sm: 0.3125rem;

    --ld-shadow-side: 0 1px 2px rgba(0, 0, 0, 0.04), 0 6px 20px rgba(0, 0, 0, 0.07);
    --ld-shadow-push: 0 8px 32px rgba(56, 158, 227, 0.28);
    --ld-shadow-panel: var(--ld-shadow-side);
    --ld-shadow-hero: var(--ld-shadow-push);
    --ld-font-sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
    --ld-font-serif: "New York", Georgia, "Times New Roman", "Songti SC", "SimSun", serif;

    --ld-page-bg: var(--ld-bg);
    --ld-card-bg: var(--ld-panel);
    --ld-card-radius: var(--ld-radius-xl);
    --ld-text: var(--ld-ink);
    --ld-text-sub: var(--ld-ink-secondary);
    --ld-text-caption: var(--ld-ink-tertiary);
    --ld-accent-glow: rgba(0, 113, 227, 0.25);
    --ld-surface-muted: var(--ld-surface-raised);
    --ld-shadow-card: var(--ld-shadow-panel);
}

.dark .ld-page,
.dark .ld-sheet,
.dark .ld-day-modal {
    --ld-bg: #0a0a0a;
    --ld-bg-warm: #0f1419;
    --ld-panel: #141414;
    --ld-panel-hover: #1a1a1a;
    --ld-surface: #141414;
    --ld-surface-raised: #1c1c1c;
    --ld-item-bg: #262626;
    --ld-push-bg: rgb(56, 158, 227);
    --ld-push-fg: #fff;
    --ld-push-fg-muted: #fff;
    --ld-push-fg-subtle: #fff;
    --ld-push-divider: rgba(255, 255, 255, 0.16);
    --ld-push-tag-new-bg: rgba(255, 255, 255, 0.2);
    --ld-push-tag-review-bg: rgba(255, 255, 255, 0.12);
    --ld-shadow-push: 0 8px 36px rgba(56, 158, 227, 0.32);
    --ld-accent-soft: rgba(0, 113, 227, 0.1);

    --ld-cta: #fafafa;
    --ld-cta-hover: #359dfd;

    --ld-ink: #f8fafc;
    --ld-ink-secondary: #94a3b8;
    --ld-ink-tertiary: #64748b;

    --ld-border: #333333;
    --ld-card-border: rgba(255, 255, 255, 0.1);
    --ld-review: #94a3b8;
    --ld-review-muted: rgba(148, 163, 184, 0.15);
    --ld-accent-muted: rgba(0, 113, 227, 0.18);

    --ld-shadow-side: 0 1px 2px rgba(0, 0, 0, 0.25), 0 8px 24px rgba(0, 0, 0, 0.35);
    --ld-shadow-panel: var(--ld-shadow-side);
    --ld-shadow-hero: var(--ld-shadow-push);
}

/* ── Page ── */
.ld-page {
    position: relative;
    isolation: isolate;
    padding: 0.875rem 0 1.25rem;
    background: linear-gradient(165deg, var(--ld-bg-warm) 0%, var(--ld-bg) 45%, var(--ld-bg) 100%);
    font-family: var(--ld-font-sans);
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "kern" 1;
}

.ld-page-glow {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.ld-page-glow::before,
.ld-page-glow::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(72px);
    opacity: 0.5;
}

.ld-page-glow::before {
    top: -10%;
    right: -8%;
    width: min(40vw, 20rem);
    height: min(40vw, 20rem);
    background: radial-gradient(circle, rgba(0, 113, 227, 0.2) 0%, transparent 72%);
}

.ld-page-glow::after {
    bottom: -14%;
    left: -10%;
    width: min(34vw, 16rem);
    height: min(34vw, 16rem);
    background: radial-gradient(circle, rgba(0, 113, 227, 0.08) 0%, transparent 72%);
}

.dark .ld-page-glow::before { opacity: 0.32; }
.dark .ld-page-glow::after { opacity: 0.2; }

.ld-page-inner {
    position: relative;
    z-index: 1;
}

/* ── Grid ── */
.ld-bento-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0.75rem;
    align-items: stretch;
}

.ld-bento-card {
    grid-column: span 12;
    border-radius: var(--ld-radius-xl);
    overflow: hidden;
    background: var(--ld-surface);
    border: none;
    box-shadow: none;
}

.ld-bento-card:not(.ld-bento-card--push) {
    background: var(--ld-panel);
    border: 1px solid var(--ld-card-border);
    box-shadow: var(--ld-shadow-side);
    color: var(--ld-ink);
}

.ld-bento-card--push {
    background: var(--ld-panel);
    border: 1px solid var(--ld-card-border);
    box-shadow: var(--ld-shadow-side);
    color: var(--ld-ink);
    overflow: hidden;
}

@media (min-width: 768px) {
    .ld-bento-card--goal {
        grid-column: 1 / span 3;
        grid-row: 1;
        display: flex;
        flex-direction: column;
        min-height: var(--ld-bento-row-min);
    }
    .ld-bento-card--push { grid-column: 4 / span 6; grid-row: 1; }
    .ld-bento-card--prefs { grid-column: 10 / span 3; grid-row: 1; }
    .ld-bento-card--history { grid-column: 1 / span 3; grid-row: 2; }
    .ld-bento-card--data { grid-column: 4 / span 6; grid-row: 2; }
    .ld-bento-card--notes { grid-column: 10 / span 3; grid-row: 2; }

    .ld-page {
        --ld-page-top-gap: 0.75rem;
        --ld-page-bottom-gap: 1.25rem;
        --ld-bento-row-min: 18rem;
        box-sizing: border-box;
        padding: var(--ld-page-top-gap) 0 var(--ld-page-bottom-gap);
        min-height: calc(100vh - var(--topnav-height));
        overflow: visible;
    }

    .ld-page.min-h-screen {
        min-height: calc(100vh - var(--topnav-height));
    }

    .ld-page-inner {
        min-height: 100%;
    }

    .ld-bento-grid {
        min-height: calc(100vh - var(--topnav-height) - var(--ld-page-top-gap) - var(--ld-page-bottom-gap));
        gap: 0.75rem;
        grid-template-rows: repeat(2, minmax(var(--ld-bento-row-min), auto));
    }

    .ld-bento-card--push {
        display: flex;
        flex-direction: column;
        min-height: var(--ld-bento-row-min);
    }

    .ld-bento-card--data {
        display: flex;
        flex-direction: column;
        min-height: var(--ld-bento-row-min);
        overflow: hidden;
    }

    .ld-bento-card--data .ld-data-body {
        flex: 1;
        min-height: 0;
        overflow: hidden;
    }

    .ld-bento-body { padding: 1rem 1.125rem 1.125rem; }

    .ld-bento-card--goal .ld-bento-body { padding: 1.125rem 1rem 1.25rem; }

    .ld-bento-card--goal .lib-goal-arc-wrap {
        max-width: 8.75rem;
        margin: 0.375rem auto 0.5rem;
    }

    .ld-bento-card--goal .lib-goal-settings-panel {
        margin-top: 0.5rem;
        padding: 0.5rem 0.625rem;
    }

    .ld-bento-card--goal .ld-goal-detail-meta {
        margin-top: 0.25rem;
        font-size: 0.6875rem;
    }

    .ld-prefs-stack { margin-top: 0.25rem; }

    .ld-bento-card--prefs,
    .ld-bento-card--history,
    .ld-bento-card--notes {
        display: flex;
        flex-direction: column;
        min-height: var(--ld-bento-row-min);
    }

    .ld-bento-card--history .ld-bento-body,
    .ld-bento-card--notes .ld-bento-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .ld-bento-card--history .ld-history-table,
    .ld-bento-card--notes .ld-notes-list {
        flex: 1;
        min-height: 0;
        max-height: none;
        overflow-y: auto;
        scrollbar-width: none;
    }

    .ld-bento-card--history .ld-history-table::-webkit-scrollbar,
    .ld-bento-card--notes .ld-notes-list::-webkit-scrollbar { display: none; }
}

.ld-bento-card--accent {
    background: var(--ld-accent);
    border: none;
    color: #fff;
}

.ld-bento-body {
    padding: 1rem 1.125rem 1.125rem;
}

/* ── Card headers ── */
.ld-section-title {
    display: inline-flex;
    align-items: center;
    gap: 0.4375rem;
    margin: 0;
    color: var(--ld-ink);
}

.ld-section-title i {
    flex-shrink: 0;
    font-size: 1rem;
    line-height: 1;
    color: var(--ld-accent);
}

.ld-bento-label {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.45;
    letter-spacing: 0.02em;
    color: var(--ld-ink);
}

.ld-page .lib-goal-label {
    color: var(--ld-ink-secondary);
}

.ld-bento-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.625rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0;
    border-bottom: none;
}

.ld-bento-card--history .ld-bento-row,
.ld-bento-card--notes .ld-bento-row,
.ld-bento-card--prefs .ld-bento-row {
    padding-bottom: 0.625rem;
    margin-bottom: 0.625rem;
    border-bottom: 1px solid var(--ld-border);
}

.ld-bento-row--compact {
    gap: 0.375rem;
    flex-shrink: 0;
}

/* ── 今日推送 ── */
.ld-bento-card--push {
    display: flex;
    flex-direction: column;
    min-height: 7rem;
}

.ld-push-inner {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.ld-push-head {
    flex-shrink: 0;
    padding: 0.75rem 1rem 0.625rem;
    background: var(--ld-push-bg);
    color: var(--ld-push-fg);
}

.ld-push-head-row {
    margin-bottom: 0.375rem;
}

.ld-push-head .ld-section-title,
.ld-push-head .ld-bento-label,
.ld-push-head .ld-section-title i {
    color: #fff;
}

.ld-push-head .ld-push-meta {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.35;
    color: rgba(255, 255, 255, 0.88);
}

.ld-push-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding: 0.5rem 1rem 0.625rem;
    background: var(--ld-panel);
    overflow: hidden;
}

.ld-push-list {
    flex: 1;
    min-height: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 1fr;
    gap: 0.25rem 0.625rem;
    align-content: stretch;
    overflow-y: auto;
    scrollbar-width: none;
}

.ld-push-list::-webkit-scrollbar {
    display: none;
}

.ld-push-word {
    display: grid;
    grid-template-columns: 1.375rem 1fr auto;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    padding: 0 0.25rem;
    background: transparent;
    line-height: 1.35;
}

.ld-push-num {
    font-size: 0.75rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--ld-ink-tertiary);
    text-align: center;
}

.ld-push-word-text {
    min-width: 0;
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: var(--ld-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ld-push-tag {
    flex-shrink: 0;
    font-size: 0.625rem;
    font-weight: 600;
    line-height: 1;
    padding: 0.1875rem 0.4375rem;
    border-radius: 9999px;
}

.ld-push-tag--new {
    color: var(--ld-accent);
    background: var(--ld-accent-muted);
}

.ld-push-tag--review {
    color: var(--ld-review);
    background: var(--ld-review-muted);
}

.ld-push-list .ld-empty-item,
.ld-push-list .ld-push-loading {
    grid-column: 1 / -1;
}

.ld-push-body .ld-empty-item {
    padding: 1.25rem 0.75rem;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--ld-ink-secondary);
}

.ld-push-list.is-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ld-push-body .ld-push-loading {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin: 0;
    padding: 1rem;
    color: var(--ld-ink-secondary);
    font-size: 0.8125rem;
}

.ld-push-body .ld-push-loading-spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--ld-accent-muted);
    border-top-color: var(--ld-accent);
    border-radius: 50%;
    animation: ld-spin 0.75s linear infinite;
}

@keyframes ld-spin {
    to { transform: rotate(360deg); }
}

.ld-push-start-actions {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.ld-push-start-dual {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 0.375rem;
    width: 100%;
}

.ld-push-start-dual .ld-push-start {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    padding: 0.5rem 0.5rem;
    font-size: 0.75rem;
}

.ld-push-start {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3125rem;
    width: 100%;
    margin-top: 0;
    flex-shrink: 0;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: var(--ld-radius-md);
    background: var(--ld-accent);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ld-push-start.ld-push-start--login {
    background: var(--ld-accent);
    color: #fff;
    font-weight: 600;
}

.ld-push-start.ld-push-start--login:hover {
    background: var(--ld-accent-hover);
    color: #fff;
}

.ld-push-start.ld-push-start--guest {
    background: #fff;
    border: 1px solid var(--ld-border);
    color: var(--ld-ink);
    font-weight: 500;
}

.ld-push-start.ld-push-start--guest:hover {
    background: #fff;
    border-color: var(--ld-border);
    color: var(--ld-ink);
}

.dark .ld-push-start.ld-push-start--guest {
    background: #fff;
    color: #1d1d1f;
    border-color: rgba(0, 0, 0, 0.08);
}

.dark .ld-push-start.ld-push-start--guest:hover {
    background: #fff;
    color: #1d1d1f;
}

.ld-push-start:hover:not(.ld-push-start--guest) {
    background: var(--ld-accent-hover);
}

.ld-push-start.is-disabled.ld-push-start--guest {
    background: #fff;
    opacity: 0.45;
}

.ld-push-start i {
    font-size: 0.9375rem;
    line-height: 1;
}

.ld-push-start.is-disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: default;
}

@media (min-width: 768px) {
    .ld-bento-card--push .ld-push-inner {
        flex: 1;
        min-height: 0;
    }

    .ld-bento-card--push .ld-push-body {
        flex: 1;
        min-height: 0;
        display: flex;
        flex-direction: column;
    }

    .ld-bento-card--push .ld-push-list {
        flex: 1;
        min-height: 0;
        grid-auto-rows: 1fr;
        align-content: stretch;
    }
}

@media (max-width: 767px) {
    .ld-push-list {
        grid-template-columns: 1fr;
        grid-auto-rows: minmax(2.5rem, auto);
        align-content: start;
        height: auto;
    }

    .ld-bento-card--push {
        min-height: auto;
    }
}

/* ── Goal card ── */
.ld-bento-card--goal {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.ld-bento-card--goal .ld-bento-inner,
.ld-bento-card--goal .lib-card.lib-card-goal {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    margin: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    aspect-ratio: auto;
    overflow: hidden;
}

.ld-bento-card--goal .lib-card-goal.ld-bento-inner {
    position: relative;
}

.ld-bento-card--goal .ld-bento-body,
.ld-bento-card--history .ld-bento-body,
.ld-bento-card--notes .ld-bento-body,
.ld-bento-card--prefs .ld-bento-body {
    position: relative;
    z-index: 1;
}

.ld-bento-card--goal .ld-bento-body {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.ld-bento-card--goal .lib-goal-arc-wrap {
    max-width: 9rem;
    margin: 0.5rem auto 0.625rem;
    --lib-goal-ring-color: var(--ld-accent);
    --lib-goal-ring-track: var(--ld-accent-muted);
}

.dark .ld-page .ld-bento-card--goal .lib-goal-arc-wrap {
    --lib-goal-ring-color: var(--ld-accent);
    --lib-goal-ring-track: var(--ld-accent-muted);
}

.ld-bento-card--goal .lib-goal-arc-track,
.ld-bento-card--goal .lib-goal-arc-progress {
    stroke-width: 12;
}

.ld-bento-card--goal .lib-goal-ring-done {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.ld-bento-card--goal .lib-goal-ring-sep,
.ld-bento-card--goal .lib-goal-ring-target {
    font-size: 1.4375rem;
    opacity: 0.55;
}

.ld-bento-card--goal .ld-goal-ring-block {
    margin: 0.25rem 0 0.375rem;
    padding-top: 0.375rem;
}

.ld-bento-card--goal .ld-goal-detail-meta {
    margin: 0.375rem 0 0;
    font-size: 0.6875rem;
    line-height: 1.4;
    text-align: center;
    color: var(--ld-ink-secondary);
}

.ld-bento-card--goal .ld-bento-headline {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: -0.02em;
}

.ld-goal-library-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.ld-goal-library-change {
    display: inline-flex;
    align-items: center;
    gap: 0.0625rem;
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 9999px;
    background: var(--ld-item-bg);
    font-size: 0.6875rem;
    font-weight: 500;
    line-height: 1.3;
    color: var(--ld-ink-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;
}

.ld-goal-library-change i {
    font-size: 0.875rem;
    line-height: 1;
}

.ld-goal-library-change:hover {
    background: var(--ld-accent-muted);
    color: var(--ld-accent);
}

.ld-bento-card--goal .lib-goal-settings-panel {
    margin-top: 0.625rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--ld-radius-md);
    background: var(--ld-surface);
    border: none;
}

.ld-bento-card--goal .lib-goal-settings-label {
    color: var(--ld-ink-secondary);
}

.ld-bento-card--goal .lib-goal-settings-value {
    color: var(--ld-ink);
}

.ld-goal-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.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);
    color: var(--ld-ink-secondary);
    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);
    color: var(--ld-accent);
}

.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-scroll:focus-visible {
    outline: 2px solid rgba(0, 113, 227, 0.45);
    outline-offset: 2px;
    border-radius: 0.375rem;
}

.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;
    scroll-snap-stop: always;
    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;
    -webkit-tap-highlight-color: transparent;
}

.ld-week-day:focus-visible {
    outline: 2px solid rgba(0, 113, 227, 0.45);
    outline-offset: 2px;
    border-radius: 0.375rem;
}

@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 {
    position: relative;
    width: 100%;
    max-width: 2.25rem;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    --lib-goal-ring-color: var(--ld-accent);
    --lib-goal-ring-track: var(--ld-accent-muted);
    transition: transform 0.18s ease;
}

@media (min-width: 768px) {
    .ld-week-day-ring { max-width: 1.875rem; }
}

.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);
    pointer-events: none;
}

.ld-week-labels .ld-week-day-label.is-today { color: var(--ld-accent); }

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

.ld-week-day.is-active .ld-week-day-label,
.ld-week-labels .ld-week-day-label.is-active {
    color: var(--ld-accent);
    font-weight: 700;
}

.ld-week-day.is-complete .ld-week-day-label,
.ld-week-labels .ld-week-day-label.is-complete {
    color: var(--ld-accent);
}

.ld-week-day.is-future { opacity: 0.38; }

.ld-goal-detail-meta {
    margin: 0.375rem 0 0;
    font-size: 0.75rem;
    line-height: 1.4;
    text-align: center;
    color: var(--ld-ink-tertiary);
    padding: 0;
    background: none;
    display: block;
    width: 100%;
    box-sizing: border-box;
}

.ld-bento-card--goal .lib-goal-settings-panel .vk-progress {
    margin-top: 0.25rem;
    margin-bottom: 1rem;
}

.ld-bento-card--goal .vk-progress-tick-label { font-size: 0.5rem; }

.ld-bento-card--goal .goal-progress { --vk-progress-fill: var(--ld-accent); }

.ld-bento-card--goal .lib-goal-settings-label,
.ld-bento-card--goal .lib-goal-settings-value {
    font-size: 0.6875rem;
}

.ld-bento-card--goal .ld-bento-sub {
    margin-top: 0.25rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--ld-ink-secondary);
}

.ld-bento-headline {
    margin: 0.375rem 0 0;
    font-family: var(--ld-font-sans);
    font-size: 1.0625rem;
    font-weight: 500;
    line-height: 1.45;
    letter-spacing: 0.02em;
    color: var(--ld-ink);
}

.ld-bento-headline--on-accent {
    font-size: 1.375rem;
    color: #fff;
}

.ld-bento-sub {
    margin: 0.25rem 0 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--ld-ink-secondary);
}

.ld-bento-sub--on-accent { color: rgba(255, 255, 255, 0.82); }

.ld-bento-card--accent .ld-bento-label { color: rgba(255, 255, 255, 0.72); }

.ld-bento-card--history .ld-history-list:not(:has(.ld-empty-item)) {
    gap: 0;
}

.ld-history-table {
    display: grid;
    grid-template-columns: minmax(0, 1fr) max-content max-content max-content;
    column-gap: 0.625rem;
    align-items: center;
    min-height: 0;
}

.ld-history-table > .ld-history-list {
    grid-column: 1 / -1;
    margin: 0;
    padding: 0;
    list-style: none;
}

.ld-history-head,
.ld-history-list:not(:has(.ld-empty-item)) {
    display: contents;
}

.ld-history-list .ld-history-item {
    display: contents;
}

.ld-history-head > span {
    padding: 0 0 0.375rem;
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--ld-ink-tertiary);
}

.ld-history-head > span:nth-child(2),
.ld-history-head > span:nth-child(3),
.ld-history-head > span:nth-child(4) {
    text-align: right;
}

.ld-history-table--modal {
    padding-left: 0.875rem;
    padding-right: 0.875rem;
}

.ld-history-table--indexed {
    grid-template-columns: max-content minmax(0, 1fr) max-content max-content max-content;
}

.ld-history-table--indexed .ld-history-head > span:nth-child(1) {
    text-align: center;
}

.ld-history-table--indexed .ld-history-head > span:nth-child(3),
.ld-history-table--indexed .ld-history-head > span:nth-child(4),
.ld-history-table--indexed .ld-history-head > span:nth-child(5) {
    text-align: right;
}

.ld-history-index {
    font-size: 0.75rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--ld-ink-tertiary);
    text-align: center;
    min-width: 1.25rem;
}

.ld-history-table--modal .ld-history-head > span {
    padding-bottom: 0.5rem;
    font-size: 0.6875rem;
}

.ld-bento-card--history .ld-history-list .ld-history-item {
    min-height: 0;
}

.ld-bento-action {
    margin-top: 0.625rem;
    width: 100%;
}

/* ── Lists ── */
.ld-word-list,
.ld-history-list,
.ld-notes-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.ld-word-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.625rem;
    padding: 0.4375rem 0;
    font-size: 0.8125rem;
    color: var(--ld-ink);
    background: transparent;
    border-bottom: 1px solid var(--ld-border);
}

.ld-history-table .ld-history-word,
.ld-history-table .ld-history-rating,
.ld-history-table .ld-history-review-in,
.ld-history-table .ld-history-time {
    padding: 0.4375rem 0;
}

.ld-notes-item {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    padding: 0.4375rem 0;
    font-size: 0.8125rem;
    background: transparent;
    border-bottom: 1px solid var(--ld-border);
}

.ld-history-item:last-child,
.ld-notes-item:last-child {
    border-bottom: none;
}

.ld-bento-card--notes .ld-notes-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ld-bento-card--history .ld-bento-body,
.ld-bento-card--notes .ld-bento-body {
    min-height: 10rem;
}

.ld-bento-card--history .ld-history-list,
.ld-bento-card--notes .ld-notes-list {
    min-height: 0;
    overflow: hidden;
}

@media (max-width: 767px) {
    .ld-bento-card--history .ld-history-list { min-height: 7.5rem; }

    .ld-history-table {
        column-gap: 0.375rem;
    }
}

.ld-word-text,
.ld-history-word,
.ld-notes-word {
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ld-history-rating,
.ld-history-review-in,
.ld-history-time {
    text-align: right;
    white-space: nowrap;
}

.ld-history-rating .ld-tag {
    vertical-align: middle;
}

.ld-history-review-in {
    font-size: 0.6875rem;
    color: var(--ld-ink-secondary);
}

.ld-history-review-in--overdue {
    color: #dc2626;
    font-weight: 500;
}

.dark .ld-history-review-in--overdue {
    color: #f87171;
}

.ld-history-time {
    font-size: 0.6875rem;
    color: var(--ld-ink-tertiary);
    font-weight: 500;
}

.ld-history-meta {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.3125rem;
    flex-shrink: 0;
}

.ld-history-meta,
.ld-notes-preview {
    font-size: 0.6875rem;
    color: var(--ld-ink-tertiary);
}

.ld-notes-preview {
    line-height: 1.45;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ld-empty,
.ld-empty-item {
    margin: 0;
    padding: 1rem 0;
    font-size: 0.8125rem;
    text-align: center;
    color: var(--ld-ink-tertiary);
    background: transparent;
}

/* ── 登录受限提示（统一字体/颜色/警告图标） ── */
.ld-login-gate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    font-weight: 400;
    color: var(--ld-ink-tertiary);
    pointer-events: none;
    user-select: none;
}

.ld-login-gate-icon {
    font-size: 0.9375rem;
    line-height: 1;
    flex-shrink: 0;
    color: var(--ld-ink-tertiary);
    opacity: 0.9;
}

.ld-login-gate-text {
    color: inherit;
}

.ld-empty-item.ld-login-gate {
    display: flex;
    padding: 1rem 0.75rem;
    text-align: center;
}

.ld-login-gate--block {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 8rem;
    padding: 1.25rem 0.75rem;
    text-align: center;
}

.ld-login-gate--inline {
    justify-content: flex-end;
    text-align: right;
}

.ld-login-gate--hint {
    justify-content: flex-start;
    width: 100%;
    margin: 0.375rem 0 0;
}

.ld-bento-card.is-login-gated .ld-history-list,
.ld-bento-card.is-login-gated .ld-notes-list,
.ld-bento-card.is-login-gated .ld-data-ring-section,
.ld-bento-card.is-login-gated .ld-push-body {
    pointer-events: none;
}

.ld-bento-card.is-login-gated .ld-history-head {
    display: none;
}

.ld-bento-card.is-login-gated .ld-bento-label,
.ld-bento-card.is-login-gated .ld-section-title {
    opacity: 0.72;
}

.ld-prefs-block.is-login-gated .ld-prefs-label {
    opacity: 0.72;
}

.ld-text-link.is-disabled,
.ld-text-link:disabled {
    opacity: 0.45;
    pointer-events: none;
    cursor: not-allowed;
    color: var(--ld-ink-tertiary);
    background: var(--ld-item-bg);
}

/* ── Tags ── */
.ld-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.625rem;
    padding: 0.1875rem 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.ld-tag--new { background: #eff6ff; color: var(--ld-accent); }
.ld-tag--review { background: #eff6ff; color: #2563eb; }
.ld-tag--rating-forgot,
.ld-tag--rating-wrong { background: #fee2e2; color: #dc2626; }
.ld-tag--rating-hard { background: #ffedd5; color: #ea580c; }
.ld-tag--rating-good { background: #ecfdf5; color: #059669; }
.ld-tag--rating-easy { background: #f0fdf4; color: #16a34a; }
.ld-tag--rating-default { background: var(--ld-item-bg); color: var(--ld-ink-secondary); }
.ld-tag--time { background: var(--ld-item-bg); color: var(--ld-ink-tertiary); font-weight: 500; }

.dark .ld-tag--new { background: rgba(0, 113, 227, 0.2); }
.dark .ld-tag--review { background: rgba(37, 99, 235, 0.2); }
.dark .ld-tag--rating-forgot,
.dark .ld-tag--rating-wrong { background: rgba(220, 38, 38, 0.18); color: #f87171; }
.dark .ld-tag--rating-hard { background: rgba(234, 88, 12, 0.18); color: #fb923c; }
.dark .ld-tag--rating-good { background: rgba(5, 150, 105, 0.18); color: #34d399; }
.dark .ld-tag--rating-easy { background: rgba(22, 163, 74, 0.18); color: #4ade80; }
.dark .ld-tag--rating-default,
.dark .ld-tag--time { background: rgba(255, 255, 255, 0.08); color: #a1a1aa; }

/* ── Buttons & links ── */
.ld-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.15s ease, background 0.15s ease;
}

.ld-btn--sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.ld-btn--flat {
    padding: 0.375rem 0.6875rem;
    font-weight: 500;
    border-radius: var(--ld-radius-sm);
    box-shadow: none;
}

.ld-btn--flat.ld-btn--accent:hover,
.ld-btn--flat.ld-btn--outline:hover { opacity: 1; }

.ld-btn--flat.ld-btn--accent:hover { background: var(--ld-accent-hover); }

.ld-btn--flat.ld-btn--outline:hover { background: var(--ld-item-bg); }

.ld-btn--on-accent {
    background: #fff;
    color: var(--ld-accent);
}

.ld-btn--on-accent:hover { opacity: 0.92; }

.ld-btn--outline {
    background: var(--ld-surface);
    color: var(--ld-ink);
    border: 1px solid var(--ld-border);
}

.ld-btn--accent {
    background: var(--ld-accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.28);
}

.ld-btn--accent:hover { opacity: 0.92; }

.dark .ld-btn--outline {
    background: transparent;
    color: var(--ld-ink);
    border-color: var(--ld-border);
}

.ld-btn.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}

.ld-text-link {
    padding: 0.25rem 0.5625rem;
    border: none;
    border-radius: 9999px;
    background: var(--ld-item-bg);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--ld-ink-secondary);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.ld-text-link:hover {
    background: var(--ld-accent-muted);
    color: var(--ld-accent);
}

/* ── 偏好设置 ── */
.ld-prefs-head {
    align-items: center;
    margin-bottom: 0.375rem;
}

.ld-prefs-welcome {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.625rem;
    padding: 0 0.125rem;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--ld-ink-secondary);
}

.ld-prefs-welcome-text {
    min-width: 0;
}

.ld-prefs-welcome-name {
    color: var(--ld-ink);
    font-weight: 600;
}

.ld-prefs-label-title {
    margin: 0;
    min-width: 0;
}

.ld-prefs-avatar {
    box-sizing: border-box;
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    border-radius: 9999px;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--ld-surface-muted);
    border: 1px solid var(--ld-border);
    color: var(--ld-ink-secondary);
}

.ld-prefs-avatar--welcome {
    width: 2.375rem;
    height: 2.375rem;
}

img.ld-prefs-avatar {
    display: block;
    object-fit: cover;
    padding: 0;
}

.ld-prefs-avatar--welcome.ld-prefs-avatar-fallback,
.ld-prefs-avatar-fallback {
    font-size: 1.125rem;
    line-height: 1;
}

.ld-prefs-stack {
    display: flex;
    flex-direction: column;
}

.ld-prefs-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.625rem;
    padding: 0.5625rem 0.75rem;
    margin: 0 -0.75rem;
    border-radius: var(--ld-radius-md);
    background: transparent;
    border-bottom: none;
    transition: background 0.15s ease;
}

.ld-prefs-block.ld-vip-block {
    align-items: flex-start;
    flex-wrap: wrap;
    row-gap: 0.3125rem;
}

.ld-bento-card--prefs .ld-vip-block .ld-vip-status {
    flex: 1 1 100%;
    justify-content: flex-start;
    text-align: left;
    max-width: 100%;
}

.ld-bento-card--prefs .ld-vip-block .ld-vip-status.ld-login-gate--inline {
    justify-content: flex-start;
}

.ld-prefs-block + .ld-prefs-block {
    margin-top: 0.25rem;
}

@media (hover: hover) {
    .ld-prefs-block:hover {
        background: var(--ld-surface-muted);
    }
}

.ld-prefs-label {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--ld-ink);
}

.ld-accent-toggle {
    display: flex;
    flex: 1;
    min-width: 0;
    max-width: 100%;
    padding: 0.1875rem;
    border-radius: 9999px;
    background: var(--ld-surface);
    border: 1px solid var(--ld-border);
}

.ld-accent-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3125rem;
    flex: 1 1 0;
    min-width: 0;
    padding: 0.3125rem 0.5rem;
    border: none;
    border-radius: 9999px;
    background: transparent;
    font-size: 0.75rem;
    line-height: 1.2;
    letter-spacing: 0;
    white-space: nowrap;
    color: var(--ld-ink-secondary);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.ld-accent-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1em;
    height: 1em;
    font-size: 1em;
    line-height: 1;
    letter-spacing: 0;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

.ld-accent-btn.is-active {
    background: var(--ld-accent);
    color: #fff;
    font-weight: 600;
    box-shadow: none;
}

.dark .ld-accent-btn.is-active {
    background: var(--ld-accent);
    color: #fff;
}

@media (min-width: 768px) and (max-width: 1100px) {
    .ld-bento-card--prefs .ld-prefs-block {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
}

.ld-vip-status {
    display: inline-flex;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 0.3125rem;
    margin: 0;
    min-width: 0;
    flex: 1;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--ld-ink-tertiary);
    text-align: right;
}

.ld-vip-status .ld-login-gate-text {
    text-align: inherit;
}

.ld-vip-status i {
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
}

.ld-vip-status--active {
    color: var(--ld-ink);
    font-weight: 500;
}

.ld-vip-status--active i { color: var(--ld-accent); }

.dark .ld-vip-status--active i { color: #fbbf24; }

.ld-vip-status--inactive i,
.ld-vip-status--guest i,
.ld-vip-status--free i { color: var(--ld-ink-tertiary); }

.ld-vip-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
}

.ld-prefs-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
}

.ld-prefs-empty {
    font-size: 0.8125rem;
    line-height: 1;
    color: var(--ld-ink-tertiary);
}

.ld-btn--danger {
    color: #dc2626;
    border-color: rgba(220, 38, 38, 0.22);
}

.ld-btn--danger:hover {
    background: #fef2f2;
}

.dark .ld-btn--danger {
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.28);
}

.dark .ld-btn--danger:hover {
    background: rgba(220, 38, 38, 0.12);
}

.ld-inline-link {
    color: var(--ld-accent);
    text-decoration: none;
}

/* ── Pagination ── */
.ld-pagination {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.ld-page-btn {
    width: 1.625rem;
    height: 1.625rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ld-border);
    border-radius: 9999px;
    background: var(--ld-surface);
    color: var(--ld-ink-secondary);
    cursor: pointer;
    font-size: 0.8125rem;
    transition: background 0.15s ease;
}

.ld-page-btn:hover:not(:disabled) {
    background: var(--ld-panel-hover);
    color: var(--ld-ink);
}

.ld-page-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.ld-push-head .ld-page-btn {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.ld-push-head .ld-page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.ld-push-head .ld-page-info {
    color: #fff;
}

.ld-page-info {
    font-size: 0.6875rem;
    color: var(--ld-ink-tertiary);
    font-variant-numeric: tabular-nums;
}

/* ── Sheet modals ── */
.ld-sheet.hidden { display: none; }

.ld-sheet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-shrink: 0;
    padding: 1rem max(var(--site-gutter), env(safe-area-inset-right)) 1rem max(var(--site-gutter), env(safe-area-inset-left));
    border-bottom: 1px solid var(--ld-border);
    background: var(--ld-surface);
}

.ld-sheet-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ld-ink);
}

.ld-sheet-title.ld-section-title { gap: 0.5rem; }

.ld-sheet-title.ld-section-title i {
    font-size: 1.125rem;
    color: var(--ld-accent);
}

.ld-sheet-close {
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: none;
    border-radius: 9999px;
    background: var(--ld-item-bg);
    color: var(--ld-ink-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition: background 0.15s ease;
}

.ld-sheet-close:hover { background: var(--ld-accent-muted); }

.ld-sheet-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--ld-bg);
}

.ld-sheet-inner {
    max-width: var(--site-content-max-width, 48rem);
    margin: 0 auto;
    padding: 1.25rem max(var(--site-gutter), env(safe-area-inset-right)) calc(1.5rem + env(safe-area-inset-bottom)) max(var(--site-gutter), env(safe-area-inset-left));
}

.ld-sheet-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 24rem;
}

.ld-sheet-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.ld-sheet-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ld-ink-secondary);
}

.ld-sheet-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--ld-border);
    border-radius: var(--ld-radius-md);
    background: var(--ld-surface);
    color: var(--ld-ink);
    font-size: 0.875rem;
    line-height: 1.4;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ld-sheet-input:focus {
    border-color: var(--ld-accent);
    box-shadow: 0 0 0 3px var(--ld-accent-muted);
}

.ld-sheet-form-msg {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.ld-sheet-form-msg.is-error { color: #dc2626; }
.ld-sheet-form-msg.is-success { color: #059669; }

.dark .ld-sheet-form-msg.is-error { color: #f87171; }
.dark .ld-sheet-form-msg.is-success { color: #34d399; }

.ld-sheet-form .ld-btn--accent {
    width: 100%;
    margin-top: 0.25rem;
}

.ld-sheet-toolbar {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-bottom: 1.25rem;
}

.ld-sheet-search-wrap { position: relative; }

.ld-sheet-search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--ld-ink-tertiary);
    pointer-events: none;
}

.ld-sheet-search {
    width: 100%;
    padding: 0.625rem 0.875rem 0.625rem 2.375rem;
    border: 1px solid var(--ld-border);
    border-radius: 9999px;
    font-size: 0.875rem;
    line-height: 1.4;
    background: var(--ld-surface);
    color: var(--ld-ink);
}

.ld-sheet-search:focus {
    outline: none;
    border-color: var(--ld-accent);
    box-shadow: 0 0 0 3px var(--ld-accent-muted);
}

.ld-sheet-search-wrap:focus-within .ld-sheet-search-icon { color: var(--ld-accent); }

.ld-sheet-toolbar-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.625rem;
}

.ld-sheet-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ld-sheet-filter {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border: 1px solid var(--ld-border);
    border-radius: 9999px;
    background: var(--ld-surface);
    color: var(--ld-ink-secondary);
    font-size: var(--site-meta-font-size, 12px);
    line-height: var(--site-meta-line-height, 1.5);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ld-sheet-filter.is-active {
    background: var(--ld-ink);
    border-color: var(--ld-ink);
    color: #fff;
}

.dark .ld-sheet-filter.is-active {
    background: #fafafa;
    border-color: #fafafa;
    color: #111;
}

.ld-sheet-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3125rem;
    padding: 0.375rem 0.875rem;
    border: 1px solid var(--ld-border);
    border-radius: 9999px;
    background: var(--ld-surface);
    color: var(--ld-ink);
    font-size: var(--site-meta-font-size, 12px);
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.ld-sheet-action-btn i {
    font-size: 0.9375rem;
    color: var(--ld-accent);
}

.ld-sheet-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.ld-sheet-list.ld-notes-list--modal {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ld-history-table .ld-history-list:not(:has(.ld-empty-item)) {
    display: contents;
}

.ld-sheet-list.ld-history-list--modal .ld-history-table .ld-history-index,
.ld-sheet-list.ld-history-list--modal .ld-history-table .ld-history-word,
.ld-sheet-list.ld-history-list--modal .ld-history-table .ld-history-rating,
.ld-sheet-list.ld-history-list--modal .ld-history-table .ld-history-review-in,
.ld-sheet-list.ld-history-list--modal .ld-history-table .ld-history-time {
    padding-top: 1rem;
    padding-bottom: 1rem;
    transition: background-color 0.15s ease;
}

.ld-sheet-list.ld-history-list--modal .ld-history-item:hover .ld-history-index,
.ld-sheet-list.ld-history-list--modal .ld-history-item:hover .ld-history-word,
.ld-sheet-list.ld-history-list--modal .ld-history-item:hover .ld-history-rating,
.ld-sheet-list.ld-history-list--modal .ld-history-item:hover .ld-history-review-in,
.ld-sheet-list.ld-history-list--modal .ld-history-item:hover .ld-history-time {
    background-color: var(--ld-item-bg);
}

.ld-sheet-list.ld-notes-list--modal .ld-notes-item {
    padding: 0;
    border-bottom: 1px solid var(--ld-border);
    border-radius: 0;
    background: transparent;
    transition: background-color 0.15s ease;
}

.ld-sheet-list.ld-notes-list--modal .ld-notes-item:hover {
    background-color: var(--ld-item-bg);
}

.ld-sheet-list.ld-notes-list--modal .ld-notes-item:last-child {
    border-bottom: none;
}

.ld-sheet-list .ld-empty-item {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--ld-ink-tertiary);
    border-bottom: none;
    background: transparent;
}

.ld-sheet-row-link {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
    box-sizing: border-box;
    padding: 1rem 1.75rem 1rem 0.875rem;
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

.ld-sheet-row-arrow {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.125rem;
    color: var(--ld-ink-tertiary);
}

.ld-sheet-foot {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--ld-border);
}

.ld-sheet-page-btn {
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ld-border);
    border-radius: 9999px;
    background: var(--ld-surface);
    color: var(--ld-ink);
    cursor: pointer;
    font-size: 1.125rem;
    line-height: 1;
    transition: background 0.15s ease;
}

.ld-sheet-page-btn:hover:not(:disabled) { background: var(--ld-item-bg); }

.ld-sheet-page-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.ld-sheet-page-info {
    min-width: 3rem;
    text-align: center;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ld-ink-secondary);
    font-variant-numeric: tabular-nums;
}

.lib-page--modal {
    min-height: 0;
    padding-top: 0;
}

.lib-page--modal .lib-page-inner {
    max-width: none;
}

/* ── 学习数据（dashboard 内嵌） ── */
.ld-data-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 0;
}

.ld-data-head-row {
    align-items: flex-start;
    flex-shrink: 0;
}

.ld-data-sub {
    margin: 0.1875rem 0 0;
    font-size: 0.625rem;
    line-height: 1.35;
    color: var(--ld-ink-secondary);
}

.ld-data-lib-name {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ld-ink);
}

.ld-data-ring-section {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-strip {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-shrink: 0;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-head-center {
    flex: 1;
    min-width: 0;
    text-align: center;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-label {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: var(--ld-ink);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-stats {
    display: inline;
    margin-left: 0.375rem;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0;
    color: var(--ld-ink-secondary);
    white-space: nowrap;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-stats-sep {
    margin: 0 0.3125rem;
    opacity: 0.55;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-nav-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: none;
    border-radius: 9999px;
    background: var(--ld-item-bg);
    color: var(--ld-ink-secondary);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-nav-btn:hover:not(:disabled) {
    background: var(--ld-accent-muted);
    color: var(--ld-accent);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-nav-btn:disabled {
    opacity: 0.28;
    cursor: default;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-nav-btn i {
    font-size: 1rem;
    line-height: 1;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-weekdays {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.25rem;
    flex-shrink: 0;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-weekday {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 1.375rem;
    text-align: center;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--ld-ink-tertiary);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-weekday-text {
    position: relative;
    z-index: 1;
    line-height: 1;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-weekday.is-today .ld-month-weekday-text {
    color: #e68600;
    font-weight: 700;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-grid {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    grid-auto-rows: 1fr;
    gap: 0.25rem;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 0.125rem;
    border: none;
    background: none;
    font: inherit;
    color: inherit;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day--empty {
    pointer-events: none;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day-num {
    position: relative;
    z-index: 1;
    font-size: 0.5625rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    color: var(--ld-ink-tertiary);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day-ring {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: min(100%, 2.25rem);
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    flex: 0 0 auto;
    --lib-goal-ring-color: var(--ld-accent);
    --lib-goal-ring-track: var(--ld-accent-muted);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day-ring .lib-goal-arc {
    display: block;
    width: 100%;
    height: 100%;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day-ring .lib-goal-arc-track,
.ld-bento-card--data .ld-data-ring-section .ld-month-day-ring .lib-goal-arc-progress {
    stroke-width: 20;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day.is-future {
    opacity: 0.34;
}

.ld-bento-card--data .ld-data-ring-section .ld-month-day.is-complete .ld-month-day-num {
    color: var(--ld-accent);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-today-mark {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 130%;
    height: 168%;
    overflow: visible;
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%) rotate(-4deg);
}

.ld-bento-card--data .ld-data-ring-section .ld-month-today-mark-ring {
    fill: rgba(255, 149, 0, 0.06);
    stroke: #ff9500;
    stroke-width: 3.25;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (max-width: 767px) {
    .ld-bento-card--data .ld-data-ring-section .ld-month-strip {
        flex: none;
    }

    .ld-bento-card--data .ld-data-ring-section .ld-month-grid {
        flex: none;
        grid-auto-rows: auto;
    }

    .ld-bento-card--data .ld-data-ring-section .ld-month-day {
        gap: 0.1875rem;
        padding: 0.0625rem;
    }

    .ld-bento-card--data .ld-data-ring-section .ld-month-day-ring {
        max-width: min(100%, 2rem);
    }
}

@media (min-width: 768px) {
    .ld-bento-card--data .ld-data-ring-section .ld-month-day-ring {
        flex: 1 1 0;
        min-height: 0;
        max-width: min(100%, 2.25rem);
    }
}

.ld-data-empty,
.ld-data-loading {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 0.75rem;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--ld-ink-secondary);
}

.ld-goal-settings-hint,
.ld-login-gate--hint {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--ld-ink-tertiary);
}

.lib-goal-settings-panel.is-readonly .lib-goal-settings-slider {
    pointer-events: none;
    cursor: default;
    opacity: 0.55;
}

.lib-goal-settings-panel.is-readonly .vk-progress-bar {
    opacity: 0.9;
}

/* ── 学习数据 · 单日详情弹层 ── */
.ld-day-modal {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.ld-day-modal.hidden {
    display: none;
}

.ld-day-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.48);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.dark .ld-day-modal-backdrop {
    background: rgba(0, 0, 0, 0.68);
}

.ld-day-modal-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 18.5rem);
    padding: 1.25rem 1.125rem 1.125rem;
    border-radius: var(--ld-radius-xl);
    background: var(--ld-panel, #ffffff);
    color: var(--ld-ink, #0a0a0a);
    border: 1px solid var(--ld-card-border, rgba(0, 0, 0, 0.07));
    box-shadow: var(--ld-shadow-side, 0 8px 24px rgba(0, 0, 0, 0.12));
}

.ld-day-modal-close {
    position: absolute;
    top: 0.625rem;
    right: 0.625rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: none;
    border-radius: 9999px;
    background: var(--ld-item-bg);
    color: var(--ld-ink-secondary);
    cursor: pointer;
}

.ld-day-modal-close:hover {
    background: var(--ld-accent-muted);
    color: var(--ld-accent);
}

.ld-day-modal-close i {
    font-size: 1.125rem;
    line-height: 1;
}

.ld-day-modal-title {
    margin: 0 2rem 0.75rem 0;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ld-ink);
    text-align: center;
}

.ld-day-modal-ring {
    display: flex;
    justify-content: center;
    margin: 0 0 1rem;
}

.ld-day-modal-ring .lib-goal-arc-wrap {
    max-width: 9.5rem;
    margin: 0 auto;
    --lib-goal-ring-color: var(--ld-accent);
    --lib-goal-ring-track: var(--ld-accent-muted);
}

.ld-day-modal-ring .lib-goal-ring-done {
    font-size: 2rem;
}

.ld-day-modal-ring .lib-goal-ring-sep,
.ld-day-modal-ring .lib-goal-ring-target {
    font-size: 1.25rem;
}

.ld-day-modal-stats {
    display: grid;
    gap: 0.5rem;
    margin: 0;
}

.ld-day-modal-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--ld-radius-md);
    background: var(--ld-item-bg);
}

.ld-day-modal-stat dt {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ld-ink-secondary);
}

.ld-day-modal-stat dd {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--ld-ink);
}