/* --- 웹툴 컨테이너 --- */
.baseball-runs-created-calculator {
    max-width: 1180px !important;
    margin: 20px auto !important;
    padding: 20px !important;
    font-family: 'Malgun Gothic', '맑은 고딕', sans-serif !important;
    background-color: #f4f6f9 !important;
    border: 1px solid #dee2e6 !important;
    box-sizing: border-box !important;
}

.baseball-runs-created-calculator *,
.baseball-runs-created-calculator *::before,
.baseball-runs-created-calculator *::after {
    box-sizing: border-box !important;
}

/* --- 제목 --- */
.baseball-runs-created-calculator h2 {
    text-align: center !important;
    color: #1e3a5f !important;
    font-size: 1.6em !important;
    margin: 0 0 20px 0 !important;
    padding-bottom: 15px !important;
    font-weight: 700 !important;
    border-bottom: 2px solid #ced4da !important;
}

/* --- 메인 레이아웃 --- */
.main-container {
    display: flex !important;
    gap: 20px !important;
    align-items: flex-start !important;
}

.section {
    background: #ffffff !important;
    border: 1px solid #e9ecef !important;
    padding: 20px !important;
    border-radius: 4px !important;
}

.section h3 {
    font-size: 1.2em !important;
    color: #343a40 !important;
    margin: 0 0 20px 0 !important;
    padding-bottom: 10px !important;
    border-bottom: 1px solid #f1f3f5 !important;
    font-weight: 600 !important;
}

/* --- 1. 입력 섹션 --- */
.input-section {
    flex: 1 1 55% !important;
}

.input-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)) !important;
    gap: 15px !important;
    margin-bottom: 15px !important;
}

.input-group label {
    display: block !important;
    margin-bottom: 5px !important;
    font-size: 0.9em !important;
    color: #495057 !important;
    font-weight: 500 !important;
}

.input-group input {
    width: 100% !important;
    padding: 8px 10px !important;
    border: 1px solid #ced4da !important;
    border-radius: 4px !important;
    font-size: 1em !important;
    text-align: right !important;
    transition: border-color 0.2s, box-shadow 0.2s !important;
}

.input-group input:focus {
    border-color: #4c6ef5 !important;
    box-shadow: 0 0 0 2px rgba(76, 110, 245, 0.2) !important;
    outline: none !important;
}

.input-group input.is-invalid {
    border-color: #fa5252 !important;
    background-color: #fff5f5 !important;
}

.optional-title {
    font-size: 0.85em !important;
    color: #868e96 !important;
    margin: 20px 0 10px 0 !important;
    padding-top: 15px !important;
    border-top: 1px solid #f1f3f5 !important;
}

.input-grid.optional {
    gap: 10px 15px !important;
}

.button-group {
    margin-top: 20px !important;
    text-align: right !important;
}

.btn-reset {
    padding: 8px 15px !important;
    background-color: #868e96 !important;
    color: white !important;
    border: none !important;
    border-radius: 4px !important;
    font-size: 0.9em !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: background-color 0.2s !important;
}
.btn-reset:hover {
    background-color: #495057 !important;
}
.error-message {
    margin-top: 15px !important;
    text-align: center !important;
    color: #c92a2a !important;
    font-size: 0.9em !important;
    min-height: 1.2em !important;
}

/* --- 2. 결과 섹션 --- */
.result-section {
    flex: 1 1 45% !important;
    position: sticky !important;
    top: 20px !important;
}

.result-box {
    background-color: #edf2ff !important;
    border: 1px solid #bac8ff !important;
    border-radius: 4px !important;
    padding: 20px !important;
    min-height: 345px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    text-align: center !important;
}
.result-placeholder {
    color: #4c6ef5 !important;
    font-size: 1.1em !important;
    line-height: 1.5 !important;
}
.result-main {
    margin-bottom: 20px !important;
}
.result-label {
    font-size: 1em !important;
    color: #364fc7 !important;
}
.result-value {
    font-weight: 700 !important;
    color: #1e3a5f !important;
}
.result-value.large {
    display: block !important;
    font-size: 3em !important;
    color: #364fc7 !important;
    line-height: 1.1 !important;
    margin-top: 5px !important;
    word-break: break-all !important;
}

.result-sub-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 15px !important;
    padding: 15px 0 !important;
    border-top: 1px solid #dbe4ff !important;
    border-bottom: 1px solid #dbe4ff !important;
}
.result-sub-grid > div {
    display: flex !important;
    flex-direction: column !important;
}
.result-sub-grid .result-label {
    font-size: 0.9em !important;
    color: #5c7cfa !important;
}
.result-sub-grid .result-value {
    font-size: 1.3em !important;
    color: #1e3a5f !important;
    margin-top: 2px !important;
}

.btn-copy {
    width: 100% !important;
    margin-top: 20px !important;
    padding: 10px !important;
    background: #4c6ef5 !important;
    color: white !important;
    border: none !important;
    border-radius: 4px !important;
    font-size: 1em !important;
    cursor: pointer !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    transition: background-color 0.2s !important;
}
.btn-copy:hover {
    background: #364fc7 !important;
}
.btn-copy.copied {
    background: #37b24d !important;
}

/* --- 안내문 --- */
.notice {
    margin-top: 20px !important;
    padding: 15px !important;
    background: #f8f9fa !important;
    border: 1px solid #e9ecef !important;
    border-radius: 4px !important;
    font-size: 0.85em !important;
    color: #495057 !important;
}
.notice p {
    margin: 0 !important;
    line-height: 1.6 !important;
}
.notice p:not(:last-child) {
    margin-bottom: 5px !important;
}
.notice strong {
    color: #1e3a5f !important;
}


/* -------------------------------------------------- */
/* ----------- 모바일 반응형 (Mobile Friendly) ----------- */
/* -------------------------------------------------- */

/* 태블릿 및 작은 데스크탑 (992px 이하) */
@media (max-width: 992px) {
    .main-container {
        flex-direction: column !important;
        gap: 15px !important;
    }
  .input-section {
            position: static !important; /* sticky 해제 */
        width: 100% !important;
    }
  
    .result-section {
        position: static !important; /* sticky 해제 */
        width: 100% !important;
    }
    .result-box {
        min-height: auto !important; /* 높이 자동 조정 */
    }
}

/* 작은 태블릿 (768px 이하) */
@media (max-width: 768px) {
    .baseball-runs-created-calculator {
        padding: 15px !important;
        border-left: none !important;
        border-right: none !important;
    }
    .baseball-runs-created-calculator h2 {
        font-size: 1.4em !important;
    }
    .result-value.large {
        font-size: 2.8em !important;
    }
}

/* 스마트폰 (480px 이하) */
@media (max-width: 480px) {
    /* ✨수정✨: 컨테이너 좌우 여백 제거 */
    .baseball-runs-created-calculator {
        padding: 10px 0 0 0 !important; 
        border: none !important;
        background: #ffffff !important;
    }
    
    /* ✨수정✨: 제목과 안내문에만 좌우 여백 적용 */
    .baseball-runs-created-calculator h2,
    .notice {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    .baseball-runs-created-calculator h2 {
         font-size: 1.25em !important;
         margin-bottom: 0 !important;
         border-bottom: 1px solid #e9ecef !important;
    }
    .notice {
        margin-top: 10px !important;
        border-radius: 0 !important;
        border-left: none !important;
        border-right: none !important;
        font-size: 0.8em !important;
    }

    /* ✨수정✨: 섹션이 화면에 꽉 차도록 테두리, 그림자 등 제거 */
    .section {
        border-radius: 0 !important;
        border-left: none !important;
        border-right: none !important;
        padding: 15px !important;
        box-shadow: none !important;
    }
    .input-section {
        border-bottom: 10px solid #f4f6f9 !important;
    }

    .input-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 15px 12px !important;
    }
    .input-group input {
        padding: 9px 8px !important;
        font-size: 0.95em !important;
    }
    .button-group {
        padding: 0 15px !important;
        text-align: center !important;
    }
    .btn-reset {
        width: 100% !important;
        padding: 12px !important;
        font-size: 1em !important;
    }
    .result-box {
        padding: 15px !important;
        background-color: #ffffff !important;
        border: none !important;
    }
    .btn-copy {
         width: auto !important;
         margin: 20px 15px 0 15px !important;
    }
    .result-value.large {
        font-size: 2.4em !important;
    }
}