/* Calculator Main Card */
.calculator-wrapper {
    margin-bottom: 40px;
    max-width: 600px;
    margin: 0 auto;
}

.calc-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 36px 32px;
    border: 1px solid #e9e4dc;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    margin-bottom: 28px;
    animation: fadeInSlide 0.5s ease;
}

@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.calc-title {
    font-size: 1.6rem;
    font-weight: 900;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 12px;
    font-family: 'Noto Sans KR', sans-serif;
    word-break: keep-all;
}

.calc-subtitle {
    font-size: 0.95rem;
    color: #555;
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.6;
}



/* Input Fields */
.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 8px;
}

.select-wrapper {
    position: relative;
    width: 100%;
}

.select-wrapper select {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border: 2px solid #e9e4dc;
    border-radius: 12px;
    background-color: #faf8f5;
    color: #2c3e50;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.select-wrapper select:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
    background-color: #fff;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    pointer-events: none;
    font-size: 0.8rem;
}

/* Weight Inputs */
.weight-inputs {
    display: flex;
    align-items: center;
    gap: 16px;
}

.weight-inputs input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    height: 8px;
    border-radius: 4px;
    background: #e9e4dc;
    outline: none;
}

.weight-inputs input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f5a623;
    cursor: pointer;
}

.weight-inputs input[type="number"] {
    width: 80px;
    padding: 10px;
    font-size: 1rem;
    border: 2px solid #e9e4dc;
    border-radius: 8px;
    text-align: center;
    background-color: #faf8f5;
    color: #2c3e50;
    font-family: inherit;
}
.weight-inputs input[type="number"]:focus {
    border-color: #4a90e2;
    outline: none;
}

/* Segmented Control */
.segmented-control {
    display: flex;
    gap: 8px;
    background: #faf8f5;
    padding: 6px;
    border-radius: 12px;
    border: 2px solid #e9e4dc;
}

.segmented-control input[type="radio"] {
    display: none;
}

.segmented-control label {
    flex: 1;
    text-align: center;
    padding: 12px 8px;
    margin: 0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: #888;
    transition: all 0.2s ease;
}

.segmented-control input[type="radio"]:checked + label {
    background: #fff;
    color: #4a90e2;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    font-weight: 700;
}

/* Calculate Button */
.btn-calc {
    width: 100%;
    background: linear-gradient(135deg, #f5a623 0%, #ff8c00 100%);
    color: #fff;
    border: none;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    margin-top: 10px;
    box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
}

.btn-calc:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 166, 35, 0.5);
}

/* RESULT CARD */
.result-card {
    background: #fffdf9;
    border: 2px solid #f3e8d6;
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    box-shadow: 0 10px 30px rgba(139, 115, 85, 0.1);
    margin-bottom: 24px;
    text-align: center;
    animation: fadeInSlide 0.5s ease;
}

.result-badge {
    background: #faf8f5;
    color: #b08d57;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 6px 14px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 16px;
    border: 1px solid #e8decb;
    text-transform: uppercase;
}

.result-heading {
    font-size: 1.4rem;
    font-weight: 700;
    color: #4a3f35;
    margin-bottom: 10px;
}

.size-highlight {
    font-size: 4rem;
    font-weight: 900;
    color: #f5a623;
    margin: 10px 0;
    line-height: 1;
}

.estimated-chest {
    font-size: 1rem;
    color: #888;
    margin-bottom: 24px;
}

.result-footer-note {
    font-size: 0.75rem;
    color: #aaa;
    line-height: 1.4;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .segmented-control {
        flex-direction: column;
    }
}

/* ===================== SEO ARTICLES ===================== */
.seo-article {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid #e9e4dc;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.seo-article h2 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #357abd;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #faf8f5;
}

.seo-article p {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 14px;
    text-align: justify;
}

.seo-article ul {
    margin-left: 20px;
    margin-top: 10px;
}

.seo-article li {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 12px;
}

.seo-article li strong {
    color: #2c3e50;
    font-weight: 700;
}