#unit-converter-wp-wrapper {
    --uc-green: #27ae60;
    --uc-light-grey: #f8f9fa;
    --uc-border: #dee2e6;
    --uc-black: #000000;
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px 0;
    font-family: 'Segoe UI', Arial, sans-serif;
}
.uc-container {
    background: #ffffff;
    width: 100%;
    max-width: 800px;
    border: 1px solid var(--uc-border);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.uc-top-bar { height: 6px; background: var(--uc-green); width: 100%; }
.uc-main-title {
    text-align: center;
    color: var(--uc-black) !important;
    margin: 25px 0 !important;
    font-size: 26px !important;
}
.uc-tabs-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    padding: 0 20px;
    margin-bottom: 25px;
}
.uc-tab {
    background: #fff;
    border: 1px solid var(--uc-border);
    padding: 10px 5px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    color: var(--uc-black);
    transition: 0.3s;
    font-size: 13px;
}
.uc-tab.active {
    background: var(--uc-green);
    color: #fff;
    border-color: var(--uc-green);
}
.uc-interface-box {
    background: var(--uc-light-grey);
    margin: 0 20px 20px 20px;
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--uc-border);
}
.uc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.uc-field { display: flex; flex-direction: column; gap: 8px; }
.uc-field label {
    font-size: 11px;
    font-weight: 700;
    color: #555;
    text-transform: uppercase;
}
.uc-field select, .uc-field input {
    padding: 12px;
    font-size: 16px;
    border: 2px solid var(--uc-border);
    border-radius: 8px;
    color: var(--uc-black);
    font-weight: 600;
    outline: none;
}
.uc-field input[readonly] { background: #eefdf5; border-color: #c3e6cb; }
.uc-field input:focus { border-color: var(--uc-green); }
.uc-clear-btn {
    background: #dee2e6;
    border: none;
    padding: 10px 30px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    font-size: 16px;
}
.uc-reset-row { text-align: center; }
.uc-footer-note { text-align: center; font-size: 12px; color: #777; margin-bottom: 15px; }

@media (max-width: 600px) {
    .uc-tabs-grid { grid-template-columns: repeat(2, 1fr); }
    .uc-row { grid-template-columns: 1fr; }
}