/**
 * 글자수·단어수 세기 - 개별 스타일
 * tools-common.css가 먼저 로드되어야 합니다.
 */

/* ========================================
   레이아웃 조정
   ======================================== */

.tool-grid-2 {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
}

.stats-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ========================================
   텍스트 입력 영역
   ======================================== */

#textInput {
    min-height: 450px;
    font-size: 1rem;
    line-height: 1.7;
}

/* ========================================
   통계 카드 그리드
   ======================================== */

.stats-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: #f2f4f7;
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    border-color: var(--accent-primary);
    background: rgba(59, 111, 224, 0.08);
    transform: translateY(-2px);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon-mini {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1.2;
    font-family: var(--font-mono);
}

.stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 숫자 변경 애니메이션 */
.stat-value.updated {
    animation: pulse 0.3s ease;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); color: #fff; }
    100% { transform: scale(1); }
}

/* ========================================
   읽기 시간
   ======================================== */

.reading-time-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.reading-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: #f2f4f7;
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.reading-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 111, 224, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    font-size: 1rem;
}

.reading-info {
    display: flex;
    flex-direction: column;
}

.reading-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reading-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ========================================
   상위 단어 목록
   ======================================== */

.top-words-list {
    max-height: 220px;
    overflow-y: auto;
}

.top-words-list::-webkit-scrollbar {
    width: 6px;
}

.top-words-list::-webkit-scrollbar-track {
    background: #f1f3f7;
    border-radius: 3px;
}

.top-words-list::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

.word-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: #f2f4f7;
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    transition: all 0.2s ease;
}

.word-item:last-child {
    margin-bottom: 0;
}

.word-item:hover {
    background: rgba(59, 111, 224, 0.1);
    border-color: var(--accent-primary);
}

.word-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 0.625rem;
    font-weight: 700;
    color: #fff;
    margin-right: var(--spacing-sm);
}

.word-text {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.word-count {
    background: rgba(59, 111, 224, 0.15);
    color: var(--accent-primary);
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: var(--text-sm);
}

/* ========================================
   반응형
   ======================================== */

@media (max-width: 992px) {
    .tool-grid-2 {
        grid-template-columns: 1fr;
}

    #textInput {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .stats-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reading-time-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .stats-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
    
    .section-header-actions {
        gap: var(--spacing-xs);
    }
    
    .section-header-actions .btn-tool-sm {
        padding: 0.4rem 0.6rem;
    }
}