/* ===== TAB SYSTEM ===== */
.tab-bar {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.2rem;
    background: #2c3e50;
    padding: 0.5rem 0.5rem 0;
    border-radius: 8px 8px 0 0;
    margin-bottom: 0;
}

.tab-btn {
    padding: 0.5rem 0.7rem;
    border: none;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    font-size: 0.84rem;
    font-weight: 600;
    background: #3d5166;
    color: #bdc3c7;
    transition: all 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}

.tab-btn:hover  { background: #4a6278; color: #ecf0f1; }
.tab-btn.active { background: #f5f5f5; color: #2c3e50; }

.tab-content {
    display: none;
    background: #f5f5f5;
    border: 2px solid #2c3e50;
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 1.5rem;
    min-height: 200px;
}

.tab-content.active { display: block; }