:root,
[data-theme="light"] {
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-subtle: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent: #334155;
    --accent-hover: #1e293b;
    --accent-soft: #e2e8f0;
    --border-color: #cbd5e1;
    --badge-nl-bg: #f1f5f9;
    --badge-nl-text: #475569;
    --badge-uk-bg: #f1f5f9;
    --badge-uk-text: #475569;
    --badge-en-bg: #f1f5f9;
    --badge-en-text: #475569;
}

[data-theme="dark"] {
    --bg-body: #0b1120;
    --bg-card: #1e293b;
    --bg-subtle: #0f172a;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #cbd5e1;
    --accent-hover: #ffffff;
    --accent-soft: #334155;
    --border-color: #334155;
    --badge-nl-bg: #0f172a;
    --badge-nl-text: #cbd5e1;
    --badge-uk-bg: #0f172a;
    --badge-uk-text: #cbd5e1;
    --badge-en-bg: #0f172a;
    --badge-en-text: #cbd5e1;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    font-size: 14.5px;
    padding-bottom: 74px;
}

@media (min-width: 992px) {
    body {
        padding-bottom: 24px;
    }
}

/* Верхня шапка ПК */
.site-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.brand-logo span {
    color: var(--text-muted);
    font-weight: 500;
}

.nav-link-flat {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: background-color 0.15s, color 0.15s;
}

.nav-link-flat:hover,
.nav-link-flat.active {
    background-color: var(--accent-soft);
    color: var(--text-main);
}

/* Мобільна верхня смужка стану */
.mobile-status-bar {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    z-index: 1010;
}

.badge-flat-count {
    background-color: var(--accent-soft);
    color: var(--text-main);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
}

/* Мобільна нижня фіксована панель */
.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    z-index: 1030;
    padding: 0 4px;
}

.bottom-bar-item {
    background: transparent;
    border: none;
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-size: 0.7rem;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    flex: 1;
}

.bottom-bar-item i {
    font-size: 1.15rem;
    line-height: 1;
}

.bottom-bar-item.active,
.bottom-bar-item:active {
    color: var(--text-main);
    font-weight: 600;
}

.bottom-bar-MainAction {
    color: var(--text-main);
}

/* Мобільні шторки Offcanvas */
.flat-offcanvas {
    background-color: var(--bg-card);
    color: var(--text-main);
}

.offcanvas-bottom.flat-offcanvas {
    height: auto;
    max-height: 85vh;
    border-top-left-radius: 14px;
    border-top-right-radius: 14px;
    border-top: 1px solid var(--border-color);
}

.btn-flat-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 14px;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
}

.btn-flat-menu.active {
    background-color: var(--accent-soft);
    font-weight: 600;
}

/* Плоскі панелі та інпути */
.flat-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
}

@media (max-width: 991.98px) {
    .flat-panel {
        border: none;
        padding: 0;
    }
}

.panel-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.filter-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.flat-input {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 6px;
}

.flat-input:focus {
    background-color: var(--bg-card);
    border-color: var(--text-main);
    box-shadow: none;
    color: var(--text-main);
}

.clear-search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 4px;
    cursor: pointer;
}

/* Перекладач */
.trans-box {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.trans-box textarea {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-main);
    resize: none;
    outline: none;
    font-size: 0.9rem;
    min-height: 44px;
}

.trans-output-text {
    min-height: 44px;
    font-size: 0.9rem;
    color: var(--text-main);
    word-break: break-word;
}

.trans-box-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 6px;
}

/* Кнопки (Flat) */
.btn-flat-icon {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 6px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.15s;
}

.btn-flat-icon:hover,
.btn-flat-icon:active {
    background-color: var(--accent-soft);
}

.btn-flat-primary {
    background-color: var(--accent);
    color: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
}

.btn-flat-secondary {
    background-color: var(--bg-subtle);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
}

/* Картка слова */
.word-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 8px;
}

.word-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 6px;
}

.lesson-tag {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 2px 7px;
    border-radius: 5px;
    line-height: 1.35;
}

.optional-tag {
    font-size: 0.68rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 1px 6px;
    border-radius: 4px;
    flex-shrink: 0;
}

.lang-rows {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.lang-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 8px;
}

.lang-info {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.lang-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-muted);
    flex-shrink: 0;
}

.article-pill {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

.word-text-nl {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    word-break: break-word;
}

.word-text-uk,
.word-text-en {
    font-size: 0.88rem;
    color: var(--text-main);
    word-break: break-word;
}
/* Головна сторінка: секції та картки модулів без емодзі */
.section-kicker {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.hero-title {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-box {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
    height: 100%;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.module-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 18px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
}

.module-meta {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    padding: 3px 8px;
    border-radius: 5px;
    margin-bottom: 10px;
}

.module-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.module-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 0;
}

.module-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

/* Тренажер карток та Тест */
.flashcard-stage {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 28px 20px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    user-select: none;
    transition: border-color 0.15s;
}

.flashcard-stage:hover {
    border-color: var(--text-muted);
}

.fc-lang-hint {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.fc-main-word {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text-main);
    word-break: break-word;
}

.fc-sub-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 10px;
}

.fc-divider {
    width: 100%;
    max-width: 260px;
    height: 1px;
    background-color: var(--border-color);
    margin: 16px auto;
}

.fc-translation-uk {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
}

.fc-translation-en {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.quiz-prompt-box {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 18px;
}

.quiz-option-btn {
    width: 100%;
    text-align: left;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
}

.quiz-option-btn:hover:not(:disabled) {
    background-color: var(--accent-soft);
}

.quiz-option-btn.is-correct {
    border-color: #16a34a;
    background-color: rgba(22, 163, 74, 0.12);
    font-weight: 600;
}

.quiz-option-btn.is-wrong {
    border-color: #dc2626;
    background-color: rgba(220, 38, 38, 0.12);
}

/* Таблиці граматики */
.grammar-table {
    color: var(--text-main);
    border-color: var(--border-color);
    font-size: 0.86rem;
}

.grammar-table th {
    background-color: var(--bg-subtle);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.grammar-table td,
.grammar-table th {
    padding: 8px 10px;
    border-color: var(--border-color);
}
/* Модуль Читання (reading.php) */
.reading-list-item {
    display: block;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-main);
    transition: background-color 0.15s, border-color 0.15s;
}

.reading-list-item:hover {
    background-color: var(--accent-soft);
}

.reading-list-item.active {
    background-color: var(--accent-soft);
    border-color: var(--text-main);
}

.sticky-reading-bar {
    position: sticky;
    top: 56px;
    z-index: 1005;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

.reading-content-area {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-main);
    white-space: normal;
    word-break: break-word;
    padding: 6px 2px;
    user-select: text;
    -webkit-user-select: text;
}

.reading-content-area::selection {
    background-color: #cbd5e1;
    color: #0f172a;
}

[data-theme="dark"] .reading-content-area::selection {
    background-color: #475569;
    color: #ffffff;
}

.btn-flat-primary:disabled,
.btn-flat-secondary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}