/* 默写首页与固定背词页 */

.dictation-hub {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.dictation-mode-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 24px 26px 22px;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: var(--surface);
}

.dictation-mode-card.is-normal {
    border-top: 3px solid var(--brand);
}

.dictation-mode-card.is-ebbinghaus {
    border-top: 3px solid var(--accent);
}

.dm-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.dm-kicker {
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 0.08em;
    color: var(--brand-strong);
}

[data-theme="dark"] .dm-kicker {
    color: var(--brand);
}

.dictation-mode-card.is-ebbinghaus .dm-kicker {
    color: var(--accent);
}

.dm-tag {
    font-size: 11px;
    color: var(--muted-2);
    font-variant-numeric: tabular-nums;
}

.dm-title {
    margin: 12px 0 6px;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: var(--weight-semibold);
    letter-spacing: -0.02em;
    color: var(--ink);
    line-height: 1.3;
}

.dm-desc {
    min-height: 44px;
    margin: 0 0 16px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--muted);
}

.dm-progress {
    height: 4px;
    border-radius: 99px;
    background: var(--surface-3);
    overflow: hidden;
}

.dm-progress span {
    display: block;
    height: 100%;
    border-radius: 99px;
    background: var(--brand);
    transition: width 320ms ease;
}

.dm-progress.is-ebbinghaus span {
    background: var(--accent);
}

.dm-stat-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin: 14px 0 18px;
    font-size: 12px;
    color: var(--muted-2);
}

.dm-stat-row b {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: var(--weight-semibold);
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.dm-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.dm-actions .btn {
    flex: 1;
    min-width: 120px;
    justify-content: center;
}

/* 记忆档案 */

.dictation-archive {
    margin: 8px 0 22px;
    border-top: 1px solid var(--line);
    padding-top: 22px;
}

.da-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}

.da-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: var(--weight-semibold);
    color: var(--ink);
}

.da-desc {
    margin-top: 4px;
    font-size: 12px;
    color: var(--muted-2);
}

.da-count {
    font-size: 11.5px;
    color: var(--muted-2);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.da-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--line);
}

.da-row {
    display: grid;
    grid-template-columns: minmax(110px, 0.9fr) minmax(0, 1.5fr) minmax(150px, 1fr) 140px 20px;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 4px;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: background var(--dur-2);
}

.da-row:hover {
    background: var(--surface-2);
}

.da-word {
    font-family: var(--font-en);
    font-size: 15px;
    font-weight: var(--weight-semibold);
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.da-meaning {
    font-size: 12px;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.da-meta {
    font-size: 11.5px;
    color: var(--muted-2);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.da-index {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--ink-2);
}

.da-index b {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: var(--weight-semibold);
    min-width: 26px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.da-index-bar {
    flex: 1;
    height: 4px;
    border-radius: 99px;
    background: var(--surface-3);
    overflow: hidden;
}

.da-index-bar i {
    display: block;
    height: 100%;
    border-radius: 99px;
    background: var(--brand);
}

.da-arrow {
    color: var(--muted-2);
    display: flex;
    justify-content: flex-end;
}

.da-arrow svg {
    width: 14px;
    height: 14px;
}

.da-empty {
    padding: 22px 0;
    font-size: 12.5px;
    color: var(--muted-2);
    text-align: center;
    border-bottom: 1px solid var(--line);
}

/* 固定背词页 */

body.is-locked {
    overflow: hidden;
}

.dictation-focus {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg);
    background-image: var(--paper);
}

.df-head {
    flex: none;
    display: flex;
    align-items: center;
    gap: 16px;
    height: 64px;
    padding: 0 22px;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 82%, transparent);
    backdrop-filter: blur(12px);
}

.df-close {
    width: 34px;
    height: 34px;
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.df-close:hover {
    border-color: var(--line-strong);
    color: var(--ink);
}

.df-close svg {
    width: 16px;
    height: 16px;
}

.df-head-main {
    flex: 1;
    min-width: 0;
}

.df-eyebrow {
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--muted-2);
    margin-bottom: 6px;
}

.df-progress-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.df-progress {
    flex: 1;
    height: 3px;
    border-radius: 99px;
    background: var(--surface-3);
    overflow: hidden;
}

.df-progress span {
    display: block;
    height: 100%;
    border-radius: 99px;
    background: var(--brand);
    transition: width 320ms ease;
}

.df-progress-text {
    flex: none;
    font-size: 12px;
    color: var(--muted-2);
    font-variant-numeric: tabular-nums;
}

.df-head-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: none;
}

.df-icon-btn {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.df-icon-btn:hover {
    border-color: var(--brand-line);
    color: var(--brand-strong);
}

[data-theme="dark"] .df-icon-btn:hover {
    color: var(--brand);
}

.df-icon-btn svg {
    width: 16px;
    height: 16px;
}

.df-body {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    overflow: hidden;
}

.df-main {
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 24px 38px 18px;
    border-right: 1px solid var(--line);
    overflow: hidden;
}

.df-side {
    min-height: 0;
    padding: 22px 26px 26px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.df-foot {
    flex: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    min-height: 70px;
    padding: 12px 26px;
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 72%, transparent);
    backdrop-filter: blur(12px);
}

.df-main .dictation-card-head,
.df-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px 12px;
    flex-wrap: wrap;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.df-main .dictation-meaning {
    margin: 20px 0 14px;
    font-size: clamp(28px, 3.2vw, 40px);
    line-height: 1.3;
}

.df-main .dictation-wordinfo {
    width: 100%;
    max-width: 100%;
    margin: 0 0 16px;
    padding: 10px 14px;
}

.df-main .dictation-word-row {
    grid-template-columns: 68px minmax(0, 1fr);
    padding: 4px 0;
}

.df-main .dictation-word-label {
    font-size: 10px;
}

.df-main .dictation-pos,
.df-main .dictation-forms {
    gap: 4px 12px;
}

.df-main .dictation-pos-chip {
    min-height: 22px;
    padding: 1px 8px;
    font-size: 11.5px;
}

.df-main .dictation-form-value {
    font-size: 13px;
}

.df-main .dictation-form-label {
    font-size: 10px;
}

.df-main .dictation-blanks {
    min-height: 52px;
    margin-top: 4px;
}

.df-main .dictation-letter {
    width: 32px;
    height: 44px;
    font-size: 21px;
}

.df-main .dictation-feedback {
    margin-top: 14px;
    padding: 10px 0 10px 14px;
}

.df-main .dictation-feedback-title {
    font-size: 13.5px;
}

.df-main .dictation-feedback-answer {
    font-size: 13px;
}

.df-main .dictation-feedback-hint {
    font-size: 12px;
}

.df-side .dictation-sentences {
    gap: 8px;
    margin-bottom: 18px;
}

.df-side .dictation-sentence {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 8px;
    font-size: 13px;
    line-height: 1.65;
}

.df-side .dictation-sentence p {
    font-size: 13.5px;
    line-height: 1.65;
}

.df-side .dictation-sentence-label {
    font-size: 10.5px;
}

.df-side .dictation-usage {
    padding-left: 0;
    border-left: 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.df-side .dictation-usage-head {
    margin-bottom: 10px;
    font-size: 11.5px;
}

.df-side .dictation-usage-body {
    font-size: 13.5px;
    line-height: 1.7;
}

.df-side .du-summary {
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--ink-2);
}

.df-side .du-block {
    margin-top: 12px;
}

.df-side .du-label {
    margin-bottom: 5px;
    font-size: 11px;
    letter-spacing: 0.04em;
}

.df-side .du-list {
    gap: 6px;
}

.df-side .du-list li {
    font-size: 13px;
}

.df-side .du-en {
    font-size: 13.5px;
}

.df-side .du-zh {
    margin-top: 2px;
    font-size: 12.5px;
}

.df-side .du-collocations {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 14px;
}

.df-side .du-examples li {
    padding-bottom: 6px;
}

.df-side .du-tip {
    margin-top: 12px;
    font-size: 12.5px;
}

.df-side .dictation-usage-empty,
.df-side .dictation-usage-loading,
.df-side .dictation-usage-error {
    font-size: 12.5px;
}

.df-foot .dictation-card-actions {
    margin-left: auto;
}

.df-foot .dictation-card-actions .btn {
    height: 40px;
}

.dictation-done-actions {
    justify-content: center;
    margin-top: 16px;
    flex-wrap: wrap;
}

.dictation-done-icon.is-ebbinghaus {
    border-color: var(--accent-line);
    color: var(--accent);
}

/* 记忆曲线弹窗 */

.eb-chart {
    min-height: 0;
}

.eb-chart-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.eb-chart-word {
    font-family: var(--font-en);
    font-size: 22px;
    font-weight: var(--weight-semibold);
    color: var(--ink);
}

.eb-chart-meaning {
    margin-top: 4px;
    font-size: 12.5px;
    color: var(--muted);
}

.eb-chart-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 16px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.eb-chart-stats > div {
    padding: 12px 10px;
    border-left: 1px solid var(--line);
}

.eb-chart-stats > div:first-child {
    border-left: 0;
    padding-left: 0;
}

.eb-chart-stats span {
    display: block;
    font-size: 11px;
    color: var(--muted-2);
}

.eb-chart-stats b {
    display: block;
    margin-top: 4px;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: var(--weight-semibold);
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.eb-chart-canvas {
    position: relative;
    height: 280px;
    margin: 6px 0 12px;
}

.eb-chart-note {
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--muted-2);
}

.eb-chart-timeline {
    margin-top: 14px;
    border-top: 1px solid var(--line);
    max-height: 180px;
    overflow-y: auto;
}

.eb-timeline-row {
    display: grid;
    grid-template-columns: 96px 1fr 90px 120px;
    gap: 10px;
    padding: 8px 2px;
    border-bottom: 1px solid var(--line);
    font-size: 11.5px;
    color: var(--muted);
}

.eb-time {
    font-variant-numeric: tabular-nums;
    color: var(--muted-2);
}

.eb-quality {
    color: var(--ink-2);
}

.eb-errors {
    color: var(--danger);
}

.eb-interval {
    color: var(--muted-2);
}

.eb-chart-empty {
    padding: 28px 0;
    text-align: center;
    font-size: 12.5px;
    color: var(--muted-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.eb-chart-foot {
    font-size: 11px;
    color: var(--muted-2);
}

@media (max-width: 1100px) {
    .dictation-hub {
        grid-template-columns: minmax(0, 1fr);
    }

    .da-row {
        grid-template-columns: minmax(100px, 1fr) minmax(0, 1.4fr) minmax(130px, 1fr) 120px 16px;
    }

    .df-body {
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    }

    .df-main {
        padding: 20px 26px 16px;
    }
}

@media (max-width: 860px) {
    .df-head {
        height: 58px;
        padding: 0 14px;
        gap: 10px;
    }

    .df-head-actions .dictation-context-toggle span:last-child {
        display: none;
    }

    .df-body {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: minmax(0, 1.35fr) minmax(0, 0.65fr);
    }

    .df-main {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding: 16px 18px 12px;
        overflow-y: auto;
    }

    .df-side {
        padding: 14px 18px 18px;
    }

    .df-side .dictation-usage {
        padding-top: 0;
        border-top: 0;
    }

    .df-foot {
        padding: 10px 14px;
        min-height: 64px;
        gap: 8px;
    }

    .df-foot .dictation-nav {
        gap: 4px;
    }

    .df-foot .dictation-nav-btn span {
        display: none;
    }

    .df-main .dictation-meaning {
        margin: 14px 0 12px;
        font-size: 28px;
    }

    .df-main .dictation-wordinfo {
        margin-bottom: 10px;
        padding: 8px 10px;
    }

    .df-main .dictation-word-row {
        grid-template-columns: 58px minmax(0, 1fr);
    }

    .df-main .dictation-letter {
        width: 28px;
        height: 40px;
        font-size: 19px;
    }

    .df-main .dictation-word {
        gap: 4px;
    }

    .df-main .dictation-gap {
        width: 12px;
    }

    .df-main .dictation-sep {
        font-size: 20px;
    }

    .df-main .dictation-feedback {
        margin-top: 10px;
    }

    .df-side .du-collocations {
        grid-template-columns: minmax(0, 1fr);
    }

    .eb-chart-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .eb-chart-stats > div:nth-child(3) {
        border-left: 0;
        padding-left: 0;
    }

    .eb-timeline-row {
        grid-template-columns: 90px 1fr 80px;
    }

    .eb-interval {
        display: none;
    }

    .da-row {
        grid-template-columns: minmax(0, 1fr) 90px 16px;
        gap: 8px;
    }

    .da-meaning,
    .da-meta {
        display: none;
    }
}

body.dictation-open {
    overflow: hidden;
}