/* --- LCM Calculator Custom Styles --- */
.calculator-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.calc-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    padding: 2rem;
}

.lcm-input-section {
    background: #f8fafc;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    border: 1px solid #e2e8f0;
}

.lcm-label {
    display: block;
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1rem;
}

.lcm-input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
    background-color: #fff;
}

.lcm-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.lcm-select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    background-color: #fff;
    margin-top: 10px;
    cursor: pointer;
}

.lcm-button-section {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.lcm-btn {
    flex: 1;
    padding: 14px 24px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lcm-btn-calculate {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.lcm-btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.lcm-btn-clear {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #cbd5e1;
}

.lcm-btn-clear:hover {
    background: #e2e8f0;
}

/* Results & Steps */
.lcm-result-section {
    display: none;
    margin-top: 2rem;
    padding: 25px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 12px;
    text-align: center;
}

.lcm-result-label {
    font-size: 0.85rem;
    color: #166534;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.lcm-result-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: #14532d;
}

.lcm-steps-section {
    display: none;
    margin-top: 2rem;
}

.lcm-step {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.lcm-step h3 {
    font-size: 1.1rem;
    color: #1e293b;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lcm-step h3 i {
    color: #2563eb;
}

.lcm-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    font-size: 0.9rem;
}

.lcm-table th,
.lcm-table td {
    padding: 10px;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.lcm-table th {
    background: #f8fafc;
    font-weight: 700;
}

.highlight {
    background: #fef9c3;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    color: #854d0e;
}

.lcm-error {
    background: #fef2f2;
    color: #b91c1c;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    font-weight: 500;
    border: 1px solid #fee2e2;
}

/* Info Section */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 2rem;
}

.info-card {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.info-card h3 {
    color: #2563eb;
    font-size: 1.1rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f1f5f9;
}

.faq-question {
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 8px;
    font-size: 1rem;
}

.faq-answer {
    color: #475569;
    line-height: 1.6;
    font-size: 0.95rem;
}

@media (max-width: 600px) {
    .lcm-button-section {
        flex-direction: column;
    }
}