.language-hero,
.language-section-nav,
.language-panel,
.language-study,
.language-list-heading,
.language-filter-panel,
.language-card-list {
    width: min(1120px, calc(100% - 28px));
    margin-inline: auto;
}

.language-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    gap: 18px;
    align-items: end;
    padding: 28px 0 16px;
}

.language-kicker {
    margin: 0 0 6px;
    color: #2dd4bf;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.language-hero h1,
.language-list-heading h2,
.language-study-head h2 {
    margin: 0;
    color: #f8fafc;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.05;
    letter-spacing: 0;
}

.language-hero p:not(.language-kicker),
.language-settings p {
    max-width: 680px;
    margin: 12px 0 0;
    color: #cbd5e1;
    line-height: 1.75;
}

.language-hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.language-hero-stats div,
.language-panel,
.language-study,
.language-card,
.language-filter-panel {
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(15, 23, 42, 0.76);
    border-radius: 8px;
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
}

.language-hero-stats div {
    min-height: 86px;
    padding: 14px;
    display: grid;
    align-content: center;
    gap: 4px;
}

.language-hero-stats span,
.language-score span,
.language-card-meta,
.language-card-foot,
.language-empty,
.language-settings label span,
.language-filter-panel label span,
.language-progress,
.language-status {
    color: #94a3b8;
    font-size: 0.86rem;
}

.language-hero-stats strong {
    color: #f8fafc;
    font-size: 1.55rem;
    line-height: 1;
}

.language-section-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 8px 0 14px;
}

.language-section-nav a,
.language-admin-link,
.language-settings button,
.language-filter-panel button,
.language-filter-panel a,
.language-study-actions button,
.language-study-actions a,
.language-study-link {
    min-height: 38px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    background: rgba(2, 6, 23, 0.74);
    color: #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 11px;
    box-sizing: border-box;
    font: inherit;
}

.language-answer[hidden],
.language-detail[hidden],
.language-study-actions button[hidden] {
    display: none !important;
}

.language-section-nav a {
    white-space: nowrap;
}

.language-section-nav a.active,
.language-admin-link,
.language-settings button,
.language-filter-panel button,
.language-study-actions [data-language-result="correct"] {
    border-color: rgba(45, 212, 191, 0.54);
    background: rgba(20, 184, 166, 0.16);
    color: #ecfeff;
}

.language-admin-link {
    margin-top: 14px;
}

.language-panel,
.language-study,
.language-filter-panel {
    padding: 16px;
}

.language-settings {
    display: grid;
    gap: 14px;
    margin-bottom: 18px;
}

.language-settings h2,
.language-card h2,
.language-detail h3 {
    margin: 0 0 10px;
    color: #f8fafc;
    letter-spacing: 0;
}

.language-settings form,
.language-filter-panel form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 8px;
    align-items: end;
}

.language-settings label,
.language-filter-panel label {
    display: grid;
    gap: 5px;
}

.language-settings input,
.language-settings select,
.language-filter-panel input,
.language-filter-panel select {
    width: 100%;
    min-height: 40px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.72);
    color: #f8fafc;
    padding: 8px 10px;
    box-sizing: border-box;
    font: inherit;
}

.language-notice,
.language-empty {
    border: 1px dashed rgba(148, 163, 184, 0.34);
    background: rgba(2, 6, 23, 0.52);
    border-radius: 8px;
    padding: 14px;
}

.language-notice {
    width: min(1120px, calc(100% - 28px));
    margin: 0 auto 12px;
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.45);
}

.language-study {
    margin-bottom: 28px;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    overscroll-behavior-y: contain;
}

.language-study-head,
.language-card-head,
.language-list-heading {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.language-study-card {
    display: grid;
    gap: 12px;
    margin-top: 14px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.58);
    padding: 16px;
    cursor: pointer;
    touch-action: pan-y;
}

.language-study-card.is-answer-visible {
    cursor: default;
}

.language-prompt,
.language-answer {
    min-height: 140px;
    display: grid;
    align-content: center;
    gap: 8px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.72);
    padding: 16px;
}

.language-prompt span,
.language-answer span,
.language-card-qa span {
    color: #38bdf8;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.language-prompt p,
.language-answer p {
    margin: 0;
    color: #f8fafc;
    font-size: clamp(1.5rem, 3vw, 2.6rem);
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.language-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 8px;
}

.language-detail-head {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.72);
    padding: 8px 10px;
}

.language-detail-head h3 {
    margin: 0;
}

.language-detail-head button {
    min-height: 34px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.74);
    color: #e2e8f0;
    padding: 6px 10px;
    font: inherit;
}

.language-detail section,
.language-card-qa div {
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.5);
    padding: 10px;
}

.language-detail h3 {
    margin-bottom: 5px;
    font-size: 0.92rem;
}

.language-detail p,
.language-card-qa p {
    margin: 0;
    color: #dbeafe;
    line-height: 1.65;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.language-study-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
    padding-bottom: env(safe-area-inset-bottom);
}

.language-study-actions [data-language-result="incorrect"] {
    border-color: rgba(248, 113, 113, 0.48);
    background: rgba(127, 29, 29, 0.24);
    color: #fecaca;
}

.language-study-actions [data-language-result="again"] {
    border-color: rgba(251, 191, 36, 0.52);
    background: rgba(146, 64, 14, 0.22);
    color: #fef3c7;
}

.language-study-actions button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.language-list-heading {
    align-items: end;
    padding: 8px 0 12px;
}

.language-list-heading h2,
.language-study-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.language-filter-panel {
    margin-bottom: 12px;
}

.language-card-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    padding-bottom: 30px;
}

.language-card {
    display: grid;
    gap: 10px;
    padding: 14px;
}

.language-card h2 {
    font-size: 1.1rem;
}

.language-score {
    min-width: 78px;
    border: 1px solid rgba(45, 212, 191, 0.22);
    border-radius: 8px;
    padding: 8px;
    text-align: center;
    background: rgba(20, 184, 166, 0.09);
}

.language-score strong {
    display: block;
    color: #facc15;
}

.language-card-qa {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.language-card-foot,
.language-tags {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
}

.language-tags a {
    color: #bae6fd;
    text-decoration: none;
    border: 1px solid rgba(56, 189, 248, 0.28);
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 0.82rem;
}

.language-study-link {
    justify-self: start;
}

@media (max-width: 800px) {
    .language-hero {
        grid-template-columns: 1fr;
    }

    .language-card-qa {
        grid-template-columns: 1fr;
    }

    .language-study-actions button,
    .language-study-actions a,
    .language-study-link {
        width: 100%;
    }

    .language-study-actions {
        position: sticky;
        bottom: 0;
        z-index: 10;
        border-top: 1px solid rgba(148, 163, 184, 0.18);
        background: rgba(15, 23, 42, 0.96);
        padding: 10px 0 calc(12px + env(safe-area-inset-bottom));
    }
}