/* ============================================================
   common.css - 共通样式（所有页面共享）
   ============================================================ */

/* 在 common.css 中，修改默认主题为明亮模式 */

/* ---------- CSS 变量（主题色） ---------- */
/* 默认使用明亮主题（移除了原有的暗黑默认） */
:root {
    /* 明亮主题默认值 */
    --bg-primary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-input: #e8e8e8;
    --bg-hover: #e0e0e0;
    --border-color: #cccccc;
    --border-accent: #388E3C;
    --text-primary: #222222;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-hint: #999999;
    --color-accent: #2E7D32;
    --color-danger: #C62828;
    --color-warning: #E65100;
    --color-info: #0D47A1;
    --color-purple: #6A1B9A;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --bg-selected: #e3f2fd;
    --bg-correct: #e8f5e9;
    --bg-wrong: #ffebee;
    --bg-show-correct: #e8f5e9;
    --bg-pending: #fff3e0;

    --game-bg: #e8e8e8;
    --game-banner-bg: #e0e0e0;
    --game-bullet: #222222;
    --game-option-bg: #E3F2FD;
    --game-option-border: #64B5F6;
    --game-option-text: #222222;
    --game-text-correct: #2E7D32;
    --game-text-wrong: #C62828;
    --game-text-miss: #E65100;
    --game-text-title: #2E7D32;
    --game-text-title-wrong: #C62828;
    --game-text-title-miss: #E65100;
    --game-text-finish: #2E7D32;

    --game-tank-track: #444444;
    --game-tank-body: #43A047;
    --game-tank-body-border: #2E7D32;
    --game-tank-turret: #66BB6A;
    --game-tank-turret-border: #2E7D32;
    --game-tank-gun: #757575;

    --continuous-on-border: #2E7D32;
    --continuous-on-color: #2E7D32;
    --continuous-off-border: #F57C00;
    --continuous-off-color: #F57C00;

    --progress-bg: #d0d0d0;
    --progress-bar: #2E7D32;
    --progress-text: #2E7D32;

    --floating-btn-bg: rgba(255, 255, 255, 0.9);
    --floating-btn-color: #555;
    --floating-btn-border: rgba(0, 0, 0, 0.15);
    --floating-btn-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);

    --popup-bg: #ffffff;
    --popup-text: #222222;
    --popup-border: var(--color-accent);
    --popup-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --popup-divider: #e0e0e0;
    --bar-value-bg: rgba(255, 255, 255, 0.85);
    --bar-value-text: #222222;
    --bar-value-border: rgba(0, 0, 0, 0.08);
    --calendar-nav-border: #cccccc;
    --calendar-nav-color: #555555;
    --calendar-month-color: #222222;
    --calendar-day-header: #888888;
    --calendar-day-num: #333333;
    --calendar-day-count: #2E7D32;
    --calendar-cell-hover: #e8f5e9;
    --calendar-today-border: var(--color-accent);
    --calendar-has-data-border: var(--color-accent);
    --stats-num-color: #2E7D32;
    --filter-btn-color: #555555;
    --filter-btn-border: #cccccc;
    --filter-btn-active-bg: var(--color-accent);
    --filter-btn-active-color: #ffffff;

    --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);

    --color-jp-red: #C62828;
    /* 日式朱红 */
    --color-jp-gold: #F9A825;
    /* 金色点缀 */
}

/* 暗黑主题（在 <html class="theme-dark"> 时生效） */
.theme-dark {
    --bg-primary: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-input: #0a0a14;
    --bg-hover: #252545;
    --border-color: #333;
    --border-accent: #4CAF50;
    --text-primary: #fff;
    --text-secondary: #aaa;
    --text-muted: #666;
    --text-hint: #888;
    --color-accent: #4CAF50;
    --color-danger: #F44336;
    --color-warning: #ff9800;
    --color-info: #2196F3;
    --color-purple: #9C27B0;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    --bg-selected: #1a2a4a;
    --bg-correct: #1a3a1a;
    --bg-wrong: #3a1a1a;
    --bg-show-correct: #1a3a1a;
    --bg-pending: #3a2a1a;

    --game-bg: #0a0a19;
    --game-banner-bg: #000000;
    --game-bullet: #ffffff;
    --game-option-bg: #1A237E;
    --game-option-border: #5C6BC0;
    --game-option-text: #FFFFFF;
    --game-text-correct: #4CAF50;
    --game-text-wrong: #F44336;
    --game-text-miss: #ff9800;
    --game-text-title: #4CAF50;
    --game-text-title-wrong: #F44336;
    --game-text-title-miss: #ff9800;
    --game-text-finish: #4CAF50;

    --game-tank-track: #222222;
    --game-tank-body: #388e3c;
    --game-tank-body-border: #1b5e20;
    --game-tank-turret: #4caf50;
    --game-tank-turret-border: #1b5e20;
    --game-tank-gun: #9e9e9e;

    --continuous-on-border: #4CAF50;
    --continuous-on-color: #4CAF50;
    --continuous-off-border: #f9f091;
    --continuous-off-color: #f9f091;

    --progress-bg: #333;
    --progress-bar: #4CAF50;
    --progress-text: #4CAF50;

    --floating-btn-bg: rgba(26, 26, 46, 0.85);
    --floating-btn-color: var(--text-secondary);
    --floating-btn-border: rgba(170, 170, 170, 0.3);

    --popup-bg: #1a1a2e;
    --popup-text: #fff;
    --popup-border: var(--color-accent);
    --popup-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --popup-divider: #333;
    --bar-value-bg: rgba(0, 0, 0, 0.7);
    --bar-value-text: #ffffff;
    --bar-value-border: rgba(255, 255, 255, 0.1);
    --calendar-nav-border: #555;
    --calendar-nav-color: #aaa;
    --calendar-month-color: #fff;
    --calendar-day-header: #888;
    --calendar-day-num: #ccc;
    --calendar-day-count: #4CAF50;
    --calendar-cell-hover: #1a2a4a;
    --calendar-today-border: #4CAF50;
    --calendar-has-data-border: #4CAF50;
    --stats-num-color: #4CAF50;
    --filter-btn-color: #aaa;
    --filter-btn-border: #555;
    --filter-btn-active-bg: #4CAF50;
    --filter-btn-active-color: #000;

    --color-jp-red: #EF5350;
    --color-jp-gold: #FFD54F;
}

/* ---------- 明亮主题下的统计页面样式 ---------- */
.theme-light .calendar-grid .day-cell .day-detail-popup {
    background: var(--popup-bg);
    border-color: var(--popup-border);
    color: var(--popup-text);
    box-shadow: var(--popup-shadow);
}

.theme-light .calendar-grid .day-cell .day-detail-popup .lib-name {
    color: var(--popup-text);
}

.theme-light .calendar-grid .day-cell .day-detail-popup .lib-stats {
    color: var(--text-secondary);
}

.theme-light .calendar-grid .day-cell .day-detail-popup .lib-item {
    border-bottom-color: var(--popup-divider);
}

.theme-light .bar-value {
    color: var(--bar-value-text);
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.9);
    background: var(--bar-value-bg);
    border: 1px solid var(--bar-value-border);
    padding: 0 6px;
    border-radius: 4px;
}

.theme-light .calendar-nav {
    border-color: var(--calendar-nav-border);
    color: var(--calendar-nav-color);
}

.theme-light .calendar-nav:active {
    background: var(--bg-hover);
}

.theme-light .calendar-header .month {
    color: var(--calendar-month-color);
}

.theme-light .calendar-grid .day-header {
    color: var(--calendar-day-header);
}

.theme-light .calendar-grid .day-cell .day-num {
    color: var(--calendar-day-num);
}

.theme-light .calendar-grid .day-cell .day-count {
    color: var(--calendar-day-count);
}

.theme-light .calendar-grid .day-cell:hover {
    background: var(--calendar-cell-hover);
}

.theme-light .calendar-grid .day-cell.today {
    border-color: var(--calendar-today-border);
}

.theme-light .calendar-grid .day-cell.has-data {
    border-bottom-color: var(--calendar-has-data-border);
}

.theme-light .stats-summary .item .num {
    color: var(--stats-num-color);
}

.theme-light .filter-bar .btn-group {
    border-color: var(--filter-btn-border);
}

.theme-light .filter-bar .btn-group .dim-btn {
    color: var(--filter-btn-color);
    border-right-color: var(--filter-btn-border);
}

.theme-light .filter-bar .btn-group .dim-btn.active {
    background: var(--filter-btn-active-bg);
    color: var(--filter-btn-active-color);
}

/* ============================================================
   明亮主题下的词库管理样式
   ============================================================ */
.theme-light .lib-type-badge.word {
    background: #e8f5e9;
    color: #2E7D32;
}

.theme-light .lib-type-badge.grammar {
    background: #e3f2fd;
    color: #0D47A1;
}

.theme-light .lib-type-badge.quiz {
    background: #f3e5f5;
    color: #6A1B9A;
}

.theme-light #grammar-name,
.theme-light #quiz-name,
.theme-light #current-name {
    color: var(--text-primary);
}

.theme-light .card h3 {
    color: var(--text-primary);
}

/* ============================================================
   明亮主题下的单词/语法一览样式
   ============================================================ */
.theme-light .grammar-group-header {
    color: #0D47A1;
    border-left-color: #0D47A1;
}

.theme-light .lib-group-header {
    color: #2E7D32;
}

.theme-light .grammar-title .group {
    background: #e3f2fd;
    color: #0D47A1;
}

.theme-light .grammar-table-wrap .group-title {
    color: #0D47A1;
    background: #e3f2fd;
    border-bottom-color: #0D47A1;
}

.theme-light .grammar-table-wrap .group-title::before {
    color: #0D47A1;
}

.theme-light .grammar-table th {
    color: #0D47A1;
    border-bottom-color: #0D47A1;
}

.theme-light .grammar-mobile-list .group-title {
    color: #0D47A1;
    border-left-color: #0D47A1;
}

.theme-light .grammar-card .group {
    background: #e3f2fd;
    color: #0D47A1;
}

.theme-light .word-table th {
    color: #2E7D32;
    border-bottom-color: #2E7D32;
}

.theme-light .word-type {
    background: #e8f5e9;
    color: #2E7D32;
}

.theme-light .today-header .title {
    color: #0D47A1;
}

.theme-light .today-progress .pbar-fill {
    background: #0D47A1;
}

.theme-light .sort-icon {
    color: #2E7D32;
}

/* ============================================================
   明亮主题下的弹窗样式
   ============================================================ */
.theme-light .modal-content .group {
    background: #e3f2fd;
    color: #0D47A1;
}

.theme-light .modal-content .btn-delete {
    background: rgba(198, 40, 40, 0.15);
    color: #C62828;
}

/* ---------- 主题切换按钮 ---------- */
.btn-theme-dark {
    background: #1a1a2e;
    color: #4CAF50;
    border-color: #4CAF50;
}

.btn-theme-dark:active {
    background: #4CAF50;
    color: #000;
}

.btn-theme-light {
    background: #e8e8e8;
    color: #2E7D32;
    border-color: #2E7D32;
}

.btn-theme-light:active {
    background: #2E7D32;
    color: #fff;
}

/* ---------- 全局重置 ---------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    padding: 15px;
    padding-bottom: 40px;
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* ---------- 标题 ---------- */
h2,
h3,
h4 {
    margin-top: 0;
    color: var(--color-accent);
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

/* ---------- 表单元素 ---------- */
select,
input[type="text"],
input[type="number"],
input[type="date"],
input[type="range"],
textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
    font-family: inherit;
    -webkit-appearance: none;
}

select:focus,
input:focus,
textarea:focus {
    border-color: var(--color-accent);
}

textarea {
    resize: vertical;
    font-family: monospace;
}

input[type="range"] {
    padding: 0;
    height: 6px;
    background: var(--border-color);
    border: none;
    border-radius: 3px;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    padding: 4px;
}

/* ---------- 按钮 ---------- */
.btn {
    background: var(--bg-card);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    text-decoration: none;
    height: 36px;
    white-space: nowrap;
}

.btn:hover,
.btn:active {
    background: var(--color-accent);
    color: #000;
}

/* 按钮变体 */
.btn-primary {
    background: var(--color-accent);
    color: #000;
    border: none;
}

.btn-primary:active {
    background: #388E3C;
}

.btn-danger {
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-danger:active {
    background: var(--color-danger);
    color: #000;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    height: 30px;
}

.btn-success {
    background: var(--color-info);
    color: #fff;
    border-color: var(--color-info);
}

.btn-success:active {
    background: #1976D2;
}

.btn-warning {
    background: var(--color-warning);
    color: #000;
    border-color: var(--color-warning);
}

.btn-warning:active {
    background: #f57c00;
}

.btn-append {
    color: var(--color-warning);
    border-color: var(--color-warning);
}

.btn-append:active {
    background: var(--color-warning);
    color: #000;
}

.btn-quiz {
    background: var(--color-purple);
    color: #fff;
    border-color: var(--color-purple);
}

.btn-quiz:active {
    background: #7B1FA2;
}

/* 返回按钮包装 */
.btn-back-wrapper {
    margin-top: 20px;
    width: 100%;
}

.btn-back-wrapper .btn {
    width: 100%;
    text-align: center;
    padding: 14px;
    font-size: 16px;
    background: var(--bg-card);
    color: var(--text-hint);
    border: 1px solid var(--border-color);
    height: auto;
}

.btn-back-wrapper .btn:active {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

/* ---------- 布局工具 ---------- */
.flex {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.flex .btn {
    flex: 1;
    text-align: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.row select {
    flex: 1;
    margin-bottom: 0;
}

.row .btn {
    flex-shrink: 0;
}

/* ---------- 提示文字 ---------- */
.hint {
    font-size: 12px;
    color: var(--text-hint);
    margin-bottom: 10px;
}

/* ---------- 模态框 ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.show {
    display: flex;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--color-accent);
    border-radius: 16px;
    padding: 24px;
    max-width: 420px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-box h3 {
    margin-top: 0;
    color: var(--color-accent);
}

.modal-box label {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    margin: 12px 0 4px;
}

.modal-box .radio-group {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.modal-box .radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 15px;
}

.modal-box .radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
}

.modal-box .btn-row {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.modal-box .btn-row .btn {
    flex: 1;
    text-align: center;
}

/* ---------- 空状态 ---------- */
.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 80px 20px;
}

/* ---------- 标签徽章 ---------- */
.lib-type-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: bold;
    padding: 2px 10px;
    border-radius: 12px;
    margin-left: 8px;
}

.lib-type-badge.word {
    background: #1a3a1a;
    color: var(--color-accent);
}

.lib-type-badge.grammar {
    background: #1a2a4a;
    color: var(--color-info);
}

.lib-type-badge.quiz {
    background: #2a1a3a;
    color: #CE93D8;
}

/* ---------- 浮动返回顶部按钮 ---------- */
.floating-top-btn {
    position: fixed;
    bottom: 90px;
    right: 18px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--floating-btn-bg, rgba(26, 26, 46, 0.85));
    color: var(--floating-btn-color, var(--text-secondary));
    border: 1px solid var(--floating-btn-border, rgba(170, 170, 170, 0.3));
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.85);
    box-shadow: var(--shadow);
    -webkit-tap-highlight-color: transparent;
}

.floating-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.floating-top-btn:active {
    transform: scale(0.92);
    background: var(--floating-btn-bg, rgba(26, 26, 46, 0.95));
}

/* ---------- 浮动返回底部按钮 ---------- */
.btn-back-floating {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 24px);
    max-width: 800px;
    padding: 14px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: 0.2s;
    z-index: 100;
    box-shadow: var(--shadow);
    height: auto;
}

.btn-back-floating:active {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateX(-50%) scale(0.98);
}

/* ===== 统一：内容区域底部间距 ===== */
.content-with-back-btn {
    padding-bottom: 80px;
}



/* ---------- 响应式基础 ---------- */
@media (max-width: 600px) {
    .flex-between {
        flex-direction: column;
        align-items: stretch;
    }

    .flex-between>div {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .flex-between>div .btn {
        flex: 1;
        min-width: 60px;
        text-align: center;
    }

    .flex {
        flex-direction: column;
    }

    .flex .btn {
        width: 100%;
        text-align: center;
    }

    .row {
        flex-wrap: wrap;
    }

    .row .btn {
        flex: 1;
    }

    .floating-top-btn {
        width: 48px;
        height: 48px;
        font-size: 22px;
        bottom: 80px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .modal-box {
        padding: 18px;
    }

    .modal-box .radio-group {
        flex-direction: column;
        gap: 6px;
    }

    .btn {
        font-size: 13px;
        padding: 6px 12px;
        height: 32px;
    }

    .btn-back-wrapper .btn {
        font-size: 14px;
        padding: 12px;
    }

    .card {
        padding: 12px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 18px;
    }

    .content-with-back-btn {
        padding-bottom: 70px;
    }

    .floating-top-btn {
        width: 48px;
        height: 48px;
        font-size: 22px;
        bottom: 80px;
        right: 16px;
    }

    .btn-back-floating {
        padding: 12px;
        font-size: 14px;
        width: calc(100% - 20px);
        bottom: 8px;
    }
}

/* ============================================================
   明亮主题下的学习计划页面样式
   ============================================================ */
.theme-light .checkbox-group label {
    background: #e8e8e8;
    color: var(--text-primary);
    border: 1px solid #d0d0d0;
}

.theme-light .checkbox-group label:has(input:checked) {
    background: #e3f2fd;
    border-color: var(--color-accent);
}

.theme-light .checkbox-group input {
    accent-color: var(--color-accent);
}

/* ============================================================
   明亮主题下的错题库页面样式
   ============================================================ */
.theme-light .item {
    background: #f0f0f0;
    border-left-color: #C62828;
}

.theme-light .item .word-kanji {
    color: var(--text-primary);
}

.theme-light .item .word-kana {
    color: #E65100;
}

.theme-light .item .word-meaning {
    color: var(--text-secondary);
}

.theme-light .item .grammar-title {
    color: #0D47A1;
}

.theme-light .item .grammar-sentence {
    color: var(--text-primary);
}

.theme-light .item .grammar-core {
    color: #E65100;
    background: #fff3e0;
}

.theme-light .item .quiz-question {
    color: #6A1B9A;
}

.theme-light .item .quiz-options {
    color: var(--text-secondary);
}

.theme-light .wrong-count {
    background: #C62828;
    color: #fff;
}

/* 错题库空状态 */
.theme-light .empty {
    color: var(--text-muted);
}

/* 错题库过滤栏 */
.theme-light #filter-bar select {
    background: #ffffff;
    color: var(--text-primary);
    border-color: #cccccc;
}

/* 错题库返回按钮 */
.theme-light .btn-back {
    background: #ffffff;
    color: var(--text-secondary);
    border-color: #cccccc;
}

.theme-light .btn-back:active {
    background: #e0e0e0;
}

/* 错题库清空按钮 */
.theme-light .btn-clear {
    background: rgba(198, 40, 40, 0.1);
    color: #C62828;
    border-color: #C62828;
}

.theme-light .btn-clear:active {
    background: #C62828;
    color: #ffffff;
}

/* ---------- 明亮主题下的设置页面样式 ---------- */
.theme-light .mode-fixed {
    color: #222222;
    background: #f0f0f0;
    border-color: #bbbbbb;
}

.theme-light .badge-word {
    background: #e8f5e9;
    color: #2E7D32;
}

.theme-light .badge-grammar {
    background: #e3f2fd;
    color: #0D47A1;
}

.theme-light .badge-quiz {
    background: #f3e5f5;
    color: #6A1B9A;
}