/* cet-word —— 四六级词汇速查 */

.cw-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 20px;
}
.cw-title {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 18px;
}

/* 工具栏 */
.cw-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    padding: 14px 16px;
    background: var(--c-surface-soft);
    border-radius: 12px;
    margin-bottom: 16px;
}
.cw-tool-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.cw-tool-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text-sub);
}
.cw-level-btns, .cw-mode-btns {
    display: flex;
    gap: 4px;
}
.cw-level, .cw-mode {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    background: transparent;
    border: 1px solid var(--c-border);
    border-radius: 16px;
    cursor: pointer;
    color: var(--c-text);
    transition: all 0.12s ease;
}
.cw-level:hover, .cw-mode:hover {
    border-color: var(--c-primary);
}
.cw-level.active, .cw-mode.active {
    border-color: var(--c-primary);
    color: var(--c-primary);
    background: color-mix(in srgb, var(--c-primary) 8%, transparent);
}

.cw-search-wrap {
    flex: 1;
    min-width: 200px;
    position: relative;
    display: flex;
    align-items: center;
}
.cw-search-icon {
    position: absolute;
    left: 12px;
    font-size: 14px;
}
.cw-search {
    width: 100%;
    padding: 9px 14px 9px 34px;
    border: 1px solid var(--c-border);
    border-radius: 20px;
    background: var(--c-bg-card);
    font-size: 14px;
    outline: none;
    transition: border-color 0.16s ease;
}
.cw-search:focus { border-color: var(--c-primary); }

/* 列表 */
.cw-list-stats {
    font-size: 12px;
    color: var(--c-text-sub);
    margin-bottom: 10px;
    padding-left: 4px;
}
.cw-list-stats b { color: var(--c-text); font-weight: 800; }

.cw-table-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    max-height: 560px;
    overflow-y: auto;
    padding-right: 4px;
}
.cw-row {
    display: grid;
    grid-template-columns: 110px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 10px 14px;
    background: var(--c-surface-soft);
    border-radius: 8px;
    border-left: 3px solid transparent;
    transition: border-color 0.12s ease, transform 0.12s ease;
}
.cw-row:hover {
    border-left-color: var(--c-primary);
    transform: translateX(2px);
}
.cw-row-word {
    font-weight: 800;
    font-size: 15px;
    color: var(--c-primary);
}
.cw-row-phonetic {
    font-size: 11px;
    color: var(--c-text-sub);
    margin-top: 2px;
    font-family: sans-serif;
}
.cw-row-body {
    font-size: 13px;
    color: var(--c-text);
    line-height: 1.5;
}
.cw-row-pos {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 3px;
    background: color-mix(in srgb, var(--c-primary) 15%, transparent);
    color: var(--c-primary);
    margin-right: 4px;
}
.cw-row-level {
    font-size: 10px;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 3px;
}
.cw-row-level.l4 {
    background: color-mix(in srgb, #1565c0 15%, transparent);
    color: #1565c0;
}
.cw-row-level.l6 {
    background: color-mix(in srgb, #c62828 15%, transparent);
    color: #c62828;
}

.cw-empty {
    text-align: center;
    padding: 40px;
    color: var(--c-text-sub);
    font-size: 14px;
}

/* 抽查模式 */
.cw-quiz-progress {
    display: flex;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--c-surface-soft);
    border-radius: 8px;
    font-size: 13px;
    color: var(--c-text-sub);
    margin-bottom: 16px;
}
.cw-quiz-progress b { color: var(--c-text); font-weight: 800; }
.cw-quiz-remember { color: #2e7d32 !important; }
.cw-quiz-forget { color: #c62828 !important; }

/* 翻转卡片 */
.cw-flip-card {
    perspective: 1000px;
    height: 260px;
    margin-bottom: 18px;
    cursor: pointer;
}
.cw-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}
.cw-flip-card.is-flipped .cw-flip-inner {
    transform: rotateY(180deg);
}
.cw-flip-front, .cw-flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    text-align: center;
}
.cw-flip-front {
    background: linear-gradient(135deg, var(--c-primary), color-mix(in srgb, var(--c-primary) 70%, transparent));
    color: #fff;
}
.cw-flip-back {
    background: var(--c-surface-soft);
    color: var(--c-text);
    transform: rotateY(180deg);
    border: 2px solid var(--c-border);
}
.cw-flip-level {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 11px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 10px;
    background: rgba(255,255,255,0.25);
}
.cw-flip-word {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 10px;
    letter-spacing: -1px;
}
.cw-flip-phonetic {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 24px;
}
.cw-flip-hint {
    position: absolute;
    bottom: 16px;
    font-size: 12px;
    opacity: 0.7;
}
.cw-flip-pos {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.cw-flip-meaning {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.4;
}
.cw-flip-example {
    font-size: 13px;
    color: var(--c-text-sub);
    font-style: italic;
    max-width: 80%;
    line-height: 1.6;
}

/* 抽查按钮 */
.cw-quiz-btns {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.cw-btn {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.12s ease;
}
.cw-btn-primary {
    background: var(--c-primary);
    color: #fff;
}
.cw-btn-primary:hover { opacity: 0.9; }
.cw-btn-forget {
    background: transparent;
    border-color: #c62828;
    color: #c62828;
}
.cw-btn-forget:hover { background: color-mix(in srgb, #c62828 10%, transparent); }
.cw-btn-ghost {
    background: transparent;
    border-color: var(--c-border);
    color: var(--c-text-sub);
}
.cw-btn-ghost:hover { color: var(--c-text); border-color: var(--c-primary); }
.cw-btn:active { transform: scale(0.97); }

/* 总览 */
.cw-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 14px;
}
.cw-overview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 12px;
    background: var(--c-surface-soft);
    border-radius: 10px;
}
.cw-ov-num {
    font-size: 28px;
    font-weight: 900;
    color: var(--c-primary);
}
.cw-ov-label {
    font-size: 12px;
    color: var(--c-text-sub);
    margin-top: 2px;
}
.cw-tip {
    font-size: 13px;
    color: var(--c-text-sub);
    line-height: 1.8;
    margin: 0;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--c-primary) 8%, transparent);
    border-radius: 8px;
}

.cw-disclaim {
    font-size: 13px;
    color: var(--c-text-sub);
    line-height: 1.8;
    padding: 14px 18px;
    background: var(--c-surface-soft);
    border: 1px solid color-mix(in srgb, var(--c-primary) 20%, transparent);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}
.cw-disclaim b { color: var(--c-text); }
.cw-info { margin-bottom: 24px; }

@media (max-width: 768px) {
    .cw-row {
        grid-template-columns: 1fr auto;
        gap: 6px;
    }
    .cw-row-body { grid-column: 1 / -1; }
    .cw-overview { grid-template-columns: repeat(2, 1fr); }
    .cw-flip-card { height: 220px; }
    .cw-flip-word { font-size: 36px; }
    .cw-quiz-btns { flex-wrap: wrap; }
    .cw-btn { flex: 1; min-width: 90px; }
}