.ovu-calculator-wrapper {
    max-width: 600px;
    margin: 20px auto;
    font-family: inherit;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 30px;
    box-sizing: border-box;
}

.ovu-title {
    text-align: center;
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.ovu-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ovu-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ovu-form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.ovu-label {
    font-size: 14px;
    font-weight: 500;
    color: #555;
}

.ovu-hint {
    font-size: 12px;
    color: #888;
}

.ovu-input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

.ovu-input:focus {
    border-color: #007cba;
    outline: none;
}

.ovu-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.ovu-btn-submit {
    flex: 1;
    padding: 12px 20px;
    background-color: #007cba;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.ovu-btn-submit:hover {
    background-color: #005a87;
}

.ovu-btn-reset {
    flex: 1;
    padding: 12px 20px;
    background-color: #f1f1f1;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.ovu-btn-reset:hover {
    background-color: #e2e2e2;
}

/* Result Box */
.ovu-result-box {
    margin-top: 20px;
    padding: 20px;
    border-radius: 8px;
    background-color: #f9f9f9;
    border-left: 5px solid #ccc;
}

.ovu-score-wrapper {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.ovu-score-wrapper span {
    font-size: 16px;
    color: #555;
    font-weight: 500;
}

.ovu-score-wrapper h2, .ovu-score-wrapper h3 {
    margin: 0;
    color: #333;
}

.ovu-status {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.ovu-recommendation {
    font-size: 15px;
    line-height: 1.6;
    color: #444;
}

/* Status colors */
.ovu-status-normal { color: #2ecc71; border-left-color: #2ecc71 !important; }
.ovu-status-early { color: #f39c12; border-left-color: #f39c12 !important; }
.ovu-status-late { color: #e67e22; border-left-color: #e67e22 !important; }
.ovu-status-irregular { color: #e74c3c; border-left-color: #e74c3c !important; }