.ytb-wc-header {
    background: #06B6D4;
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    padding: 16px 20px;
    border-radius: 8px 8px 0 0;
}

.ytb-wc-card {
    background: #fff;
    border: 1px solid #E0E0E0;
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 20px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    margin-bottom: 8px;
}

.ytb-wc-textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #CFD8DC;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    line-height: 1.6;
    box-sizing: border-box;
    resize: vertical;
}
.ytb-wc-textarea:focus {
    outline: none;
    border-color: #06B6D4;
}

.ytb-wc-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 18px;
}
.ytb-wc-stat {
    background: #ECFEFF;
    border: 1px solid #CFFAFE;
    border-radius: 8px;
    padding: 12px 10px;
    text-align: center;
}
.ytb-wc-stat-value {
    font-size: 24px;
    font-weight: 800;
    color: #0E7490;
}
.ytb-wc-stat-label {
    font-size: 12px;
    color: #607D8B;
    margin-top: 4px;
}

.ytb-wc-btn {
    margin-top: 18px;
    background: #F1F5F9;
    color: #475569;
    border: 1px solid #CBD5E1;
    padding: 9px 16px;
    border-radius: 6px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
}
.ytb-wc-btn:hover { background: #E2E8F0; }

.ytb-wc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 20px;
    font-size: 14.5px;
}
.ytb-wc-table th, .ytb-wc-table td {
    border: 1px solid #E0E0E0;
    padding: 9px 12px;
    text-align: left;
}
.ytb-wc-table th {
    background: #ECFEFF;
    color: #0E7490;
    font-weight: 700;
}

@media (max-width: 480px) {
    .ytb-wc-stats { grid-template-columns: repeat(2, 1fr); }
}