.upspert-container {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-width: 650px;
    margin: 20px auto;
    font-family: 'Inter', Arial, sans-serif;
}
.upspert-logo {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: center;
}
.upspert-logo .up { color: #00A86B; }
.upspert-logo .spert { color: #000000; }
.upspert-logo .tm {
    font-size: 0.7rem;
    vertical-align: super;
    margin-left: 4px;
    color: #000000;
}
.upspert-container h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #000000;
    margin-bottom: 20px;
    text-align: center;
}
label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: #000000;
}
input[type="number"] {
    width: 100%;
    max-width: 300px;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
/* Remove arrows */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] { -moz-appearance: textfield; }
input[type="number"]:focus {
    border-color: #00A86B;
    box-shadow: 0 0 0 3px rgba(0,168,107,0.2);
    outline: none;
}
.upspert-button {
    background-color: #000000;
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}
.upspert-button:hover {
    background-color: #00A86B;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,168,107,0.3);
}