/* 커스텀 스타일 */

/* 다크모드 지원 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a202c;
        color: #e2e8f0;
    }
}

/* 코드 블록 스타일 */
.code-block {
    background-color: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    padding: 1rem;
    font-family: 'Courier New', Consolas, monospace;
    white-space: pre-wrap;
    word-break: break-all;
}

/* 입력 필드 개선 */
.tool-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.tool-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 버튼 애니메이션 */
.btn-primary {
    background-color: #3b82f6;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #2563eb;
}

/* 결과 영역 */
.result-area {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    padding: 1rem;
    margin-top: 1rem;
    min-height: 100px;
}

/* 로딩 애니메이션 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 반응형 개선 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .tool-grid {
        grid-template-columns: 1fr;
    }
}

/* 카드 호버 효과 */
.tool-card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* 복사 버튼 */
.copy-btn {
    position: relative;
    background-color: #6b7280;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background-color: #4b5563;
}

.copy-btn.copied {
    background-color: #10b981;
}

/* 에러 상태 */
.error {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.error-text {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}