.wt-tab {
    padding: 0.45rem 0.9rem;
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #64748b;
    background: #f1f5f9;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
}
.wt-tab:hover { color: #3b82f6; background: #eff6ff; }
.wt-tab.active {
    color: #fff;
    background: #3b82f6;
    border-color: #3b82f6;
}
.wt-panel { display: none; }
.wt-panel.active { display: block; }
.wt-area {
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 13px;
    line-height: 1.55;
    min-height: 180px;
    resize: vertical;
}
#wt-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 50;
    background: #1e293b;
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    display: none;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
}
#wt-toast.show { display: block; }
.wt-stat {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.5rem;
}
.wt-stat div {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    color: #64748b;
}
.wt-stat b { display: block; color: #0f172a; font-size: 1.1rem; }
.wt-hash-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
}
.wt-hash-row label {
    width: 72px;
    flex-shrink: 0;
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
}
.wt-hash-row input {
    flex: 1;
    font-family: Consolas, monospace;
    font-size: 12px;
}