/* ===== PESTAÑAS ===== */
#tabs-bar {
    display: flex;
    align-items: center;
    background: #11111b;
    padding: 4px 8px 0;
    gap: 2px;
    border-bottom: 1px solid #313244;
}

.tab {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #1e1e2e;
    padding: 6px 12px;
    border-radius: 8px 8px 0 0;
    font-size: 12px;
    color: #a6adc8;
    cursor: pointer;
    max-width: 200px;
}

.tab.active {
    background: #181825;
    color: #cdd6f4;
}

.tab-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tab-close {
    background: none;
    border: none;
    color: #585b70;
    cursor: pointer;
    font-size: 14px;
    padding: 0 2px;
}

.tab-close:hover {
    color: #f38ba8;
}

.tab-add {
    background: none;
    border: none;
    color: #585b70;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}

.tab-add:hover {
    background: #313244;
    color: #cdd6f4;
}

/* ===== PANTALLA DE ERROR PERSONALIZADA ===== */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #f38ba8;
    font-size: 18px;
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid #313244;
    border-top: 2px solid #89b4fa;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}